Santander Holdings USA (SOV) 10-K 14 Mar 14 2013 FY Annual report Financial data

Document_and_Entity_Informatio

Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2013	Feb. 28, 2014	Jun. 30, 2013
Document and Entity Infomation [Abstract]	'	'	'
Entity Registrant Name	'Santander Holdings USA, Inc.	'	'
Entity Central Index Key	'0000811830	'	'
Document Type	'10-K	'	'
Document Period End Date	31-Dec-13	'	'
Amendment Flag	'false	'	'
Document Fiscal Year Focus	'2013	'	'
Current Fiscal Year Focus	'FY	'	'
Current Fiscal Year End	'--12-31	'	'
Entity Well-known Seasoned Issuer	'No	'	'
Entity Voluntary Filers	'No	'	'
Entity Current Reporting Status	'Yes	'	'
Entity Filer Category	'Non-accelerated Filer	'	'
Entity Common Stock, Shares Outstanding	'	530,307,043	'
Entity Public Float	'	'	$0

CONSOLIDATED_BALANCE_SHEETS

CONSOLIDATED BALANCE SHEETS (USD $)	Dec. 31, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
ASSETS	'		'
Cash and amounts due from depository institutions	$4,226,947		$2,220,811
Investment securities:	'		'
Available-for-sale at fair value	11,646,240		18,684,020
Other investments	820,395		1,053,723
Loans held for investment	49,921,677		52,388,911
Allowance for loan losses	-834,337		-1,013,469
Net loans held for investment	49,087,340		51,375,442
Loans held for sale at fair value	128,949	[1]	843,442	[1]
Premises and equipment	815,795		748,769
Accrued interest receivable	195,782		208,660
Equity method investments	3,085,450		2,834,469
Goodwill	3,431,481		3,431,481
Bank owned life insurance	1,651,179		1,605,008
Restricted cash	97,397		488,455
Deferred tax assets	747,958		780,423
Other assets	1,209,108	[2]	1,515,499	[2]
TOTAL ASSETS	77,144,021		85,790,202
LIABILITIES	'		'
Accrued expenses	1,050,785		1,689,546
Total deposits and other customer accounts	49,521,406	[3]	50,790,038	[3]
Borrowings and other debt obligations	12,376,624		19,264,206
Advance payments by borrowers for taxes and insurance	182,571		168,042
Other liabilities	467,652		636,368
TOTAL LIABILITIES	63,599,038		72,548,200
STOCKHOLDER’S EQUITY	'		'
Preferred stock (no par value; $25,000 liquidation preference; 7,500,000 shares authorized; 8,000 shares outstanding at December 31, 2013 and 2012)	195,445		195,445
Common stock (no par value; 800,000,000 shares authorized; 520,307,043 shares issued at December 31, 2013 and 2012)	12,209,816		12,211,636
Accumulated other comprehensive income/(loss)	-254,368		54,334
Retained earnings	1,394,090		780,587
TOTAL STOCKHOLDER’S EQUITY	13,544,983		13,242,002
TOTAL LIABILITIES AND STOCKHOLDER’S EQUITY	$77,144,021		$85,790,202
[1]	Amounts represent items for which the Company has elected the fair value option.
[2]	Includes residential mortgage servicing rights ("MSRs") of $141.8 million and $92.5 million at December 31, 2013 and December 31, 2012, respectively, for which the Company has elected the fair value option.
[3]	Includes foreign deposits of $516.1 million and $523.2 million at December 31, 2013 and 2012, respectively.

CONSOLIDATED_BALANCE_SHEETS_Pa

CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, except Share data, unless otherwise specified
STOCKHOLDER’S EQUITY	'	'
Preferred stock, par value (in usd per share)	$0	$0
Preferred stock, liquidation preference (in usd per share)	$25,000	$25,000
Preferred stock, shares authorized	7,500,000	7,500,000
Preferred stock, shares outstanding	8,000	8,000
Common stock, par value (in usd per share)	$0	$0
Common stock, shares authorized	800,000,000	800,000,000
Common stock, shares issued	520,307,043	520,307,043
Residential Mortgage Servicing Rights (MSRs) [Member]	'	'
ASSETS	'	'
Residential servicing rights at fair value	$141,787	$92,512

CONSOLIDATED_STATEMENTS_OF_OPE

CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
INTEREST INCOME:	'	'	'
Interest on loans	$1,958,908,000	$2,149,059,000	$4,834,039,000
Interest on interest-earning deposits	6,494,000	5,497,000	6,044,000
Interest on investment securities:	'	'	'
Available-for-sale	302,820,000	371,111,000	412,813,000
Other investments	27,669,000	22,214,000	117,000
TOTAL INTEREST INCOME	2,295,891,000	2,547,881,000	5,253,013,000
INTEREST EXPENSE:	'	'	'
Interest on deposits and customer accounts	211,520,000	238,019,000	248,711,000
Interest on borrowings and other debt obligations	570,600,000	635,739,000	1,139,488,000
TOTAL INTEREST EXPENSE	782,120,000	873,758,000	1,388,199,000
NET INTEREST INCOME	1,513,771,000	1,674,123,000	3,864,814,000
Provision for credit losses	46,850,000	392,800,000	1,319,951,000
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSSES	1,466,921,000	1,281,323,000	2,544,863,000
NON-INTEREST INCOME:	'	'	'
Consumer fees	228,666,000	240,099,000	637,482,000
Commercial fees	199,486,000	180,527,000	174,972,000
Mortgage banking revenue/(expense), net	122,036,000	83,816,000	-2,808,000
Equity method investments	426,851,000	428,569,000	972,801,000
Bank owned life insurance	57,041,000	58,669,000	58,644,000
Capital markets revenue/(expense)	31,742,000	37,334,000	-8,616,000
Miscellaneous income	12,807,000	9,691,000	74,751,000
TOTAL FEES AND OTHER INCOME	1,078,629,000	1,038,705,000	1,907,226,000
OTTI recognized in earnings	-63,630,000	0	-325,000
Net gain on sale of investment securities	73,084,000	100,891,000	74,922,000
Net gain on investment securities recognized in earnings	9,454,000	100,891,000	74,597,000
TOTAL NON-INTEREST INCOME	1,088,083,000	1,139,596,000	1,981,823,000
GENERAL AND ADMINISTRATIVE EXPENSES:	'	'	'
Compensation and benefits	697,876,000	655,312,000	796,110,000
Occupancy and equipment expenses	381,794,000	334,175,000	347,790,000
Technology expense	127,748,000	113,194,000	123,135,000
Outside services	102,356,000	94,546,000	151,731,000
Marketing expense	55,864,000	30,598,000	39,394,000
Loan expense	69,269,000	80,676,000	215,144,000
Other administrative expenses	227,156,000	172,747,000	168,920,000
TOTAL GENERAL AND ADMINISTRATIVE EXPENSES	1,662,063,000	1,481,248,000	1,842,224,000
OTHER EXPENSES:	'	'	'
Amortization of intangibles	27,334,000	37,222,000	55,542,000
Deposit insurance premiums and other costs	70,327,000	89,055,000	79,537,000
Loss on debt extinguishment	6,877,000	100,127,000	38,695,000
PIERS litigation	0	258,480,000	344,163,000
TOTAL OTHER EXPENSES	104,538,000	484,884,000	517,937,000
INCOME BEFORE INCOME TAXES	788,403,000	454,787,000	2,166,525,000
Income tax provision/(benefit)	160,300,000	-106,448,000	908,279,000
NET INCOME	628,103,000	561,235,000	1,258,246,000
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTEREST	0	0	85,604,000
NET INCOME ATTRIBUTABLE TO SHUSA	$628,103,000	$561,235,000	$1,172,642,000

CONSOLIDATED_STATEMENTS_OF_COM

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
NET INCOME	$628,103		$561,235		$1,258,246
OTHER COMPREHENSIVE INCOME, NET OF TAX	'		'		'
Net unrealized gains/(losses) on cash flow hedge derivative financial instruments	39,751		28,822		-2,744
Net unrealized (losses)/gains recognized on investment securities	-359,616		72,471		188,720
Pension and post-retirement actuarial gain/(loss)	11,163	[1]	-241	[1]	-10,000	[1]
TOTAL OTHER COMPREHENSIVE INCOME/(LOSS)	-308,702		101,052		175,976
COMPREHENSIVE INCOME	319,401		662,287		1,434,222
COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTEREST	0		0		85,604
COMPREHENSIVE INCOME ATTRIBUTABLE TO SHUSA	319,401		662,287		1,348,618
Parent Company [Member]	'		'		'
NET INCOME	628,103		561,235		1,258,246
OTHER COMPREHENSIVE INCOME, NET OF TAX	'		'		'
Net unrealized gains/(losses) on cash flow hedge derivative financial instruments	39,751		28,822		-2,744
Net unrealized (losses)/gains recognized on investment securities	-359,616		72,471		188,720
Pension and post-retirement actuarial gain/(loss)	11,163		-241		-10,000
TOTAL OTHER COMPREHENSIVE INCOME/(LOSS)	-308,702		101,052		175,976
COMPREHENSIVE INCOME	$319,401		$662,287		$1,434,222
[1]	Included in the computation of net periodic pension costs.

CONSOLIDATED_STATEMENT_OF_STOC

CONSOLIDATED STATEMENT OF STOCKHOLDER'S EQUITY (USD $)	Total	Common Stock	Preferred Stock	Warrants	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings (Deficit)	Noncontrolling Interest
In Thousands, except Share data, unless otherwise specified
Beginning balance at Dec. 31, 2010	$11,260,670	$11,117,328	$195,445	$285,435	($234,190)	($128,984)	$25,636
Beginning balance, shares at Dec. 31, 2010	'	517,107,000	'	'	'	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'	'	'
Comprehensive income	1,434,222	'	'	'	175,976	1,172,642	85,604
Issuance of common stock, shares	'	3,200,000	'	'	'	'	'
Issuance of common stock, value	800,000	800,000	0	'	'	'	'
Capital Contribution from Santander	11,000	11,000	'	'	'	'	'
Stock issued in connection with employee benefit and incentive compensation plans	-279	-279	'	'	'	'	'
Dividend to Santander	-800,000	0	'	'	'	-800,000	'
Dividend to noncontrolling interest	-39,552	'	'	'	'	'	-39,552
Dividends paid on preferred stock	-14,600	0	'	'	'	-14,600	'
Termination of warrants	'	285,435	'	-285,435	'	'	'
SCUSA Transaction	-55,298	'	'	'	11,496	4,894	-71,688
Ending balance at Dec. 31, 2011	12,596,163	12,213,484	195,445	0	-46,718	233,952	0
Ending balance, shares at Dec. 31, 2011	'	520,307,000	'	'	'	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'	'	'
Comprehensive income	662,287	'	'	'	101,052	561,235	'
Stock issued in connection with employee benefit and incentive compensation plans	-1,848	-1,848	'	'	'	'	'
Dividends paid on preferred stock	-14,600	'	'	'	'	-14,600	'
Ending balance at Dec. 31, 2012	13,242,002	12,211,636	195,445	'	54,334	780,587	'
Ending balance, shares at Dec. 31, 2012	'	520,307,000	'	'	'	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'	'	'
Comprehensive income	319,401	'	'	'	-308,702	628,103	'
Stock issued in connection with employee benefit and incentive compensation plans	-1,820	-1,820	'	'	'	'	'
Dividends paid on preferred stock	-14,600	'	'	'	'	-14,600	'
Ending balance at Dec. 31, 2013	$13,544,983	$12,209,816	$195,445	'	($254,368)	$1,394,090	'
Ending balance, shares at Dec. 31, 2013	'	520,307,000	'	'	'	'	'

CONSOLIDATED_STATEMENTS_OF_CAS

CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:	'		'		'
Net income	$628,103,000		$561,235,000		$1,258,246,000
Adjustments to reconcile net income to net cash provided by operating activities:	'		'		'
Provision for credit losses	46,850,000		392,800,000		1,319,951,000
Deferred taxes	234,274,000		-131,506,000		497,346,000
Depreciation, amortization and accretion	286,304,000		265,567,000		291,019,000
Net gain on sale of loans	-47,128,000		-26,182,000		-22,911,000
Net gain on sale of investment securities	-73,084,000		-100,891,000		-74,922,000
OTTI recognized in earnings	63,630,000		0		325,000
Loss on debt extinguishment	6,877,000		100,127,000		38,695,000
Net (gain)/loss on real estate owned and premises and equipment	5,238,000		-341,000		13,788,000
Stock-based compensation	-1,820,000		-1,848,000		-279,000
Equity earnings from equity method investments	-426,851,000		-428,569,000		-972,801,000
Distributions from equity method investments, net	182,113,000		477,502,000		0
Originations of loans held-for-sale, net of repayments	-3,317,480,000		-4,280,277,000		-1,575,700,000
Purchases of loans held-for-sale	-17,151,000		0		0
Proceeds from sales of loans held-for-sale	4,063,312,000		3,849,428,000		1,410,387,000
Net change in:	'		'		'
Other assets and bank owned life insurance	175,810,000		247,384,000		-55,917,000
Other liabilities	-471,957,000		698,813,000		97,379,000
Other	24,545,000		-12,586,000		-12,053,000
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,361,585,000		1,610,656,000		2,212,553,000
CASH FLOWS FROM INVESTING ACTIVITIES:	'		'		'
Proceeds from sales of available-for-sale investment securities	8,050,028,000		4,256,661,000		6,892,337,000
Proceeds from prepayments and maturities of available-for-sale investment securities	3,206,799,000		3,670,182,000		3,179,391,000
Purchases of available-for-sale investment securities	-4,854,061,000		-10,513,983,000		-11,344,659,000
Proceeds from sales of other investments	310,466,000		92,169,000		115,587,000
Purchases of other investments	-76,949,000		-570,850,000		-56,716,000
Net change in restricted cash	391,058,000		-451,795,000		47,011,000
Proceeds from sales of loans held for investment	119,621,000		287,011,000		8,467,000
Purchases of loans held for investment	-1,530,178,000		-1,615,213,000		-2,840,465,000
Net change in loans other than purchases and sales	3,584,077,000		-806,281,000		-3,670,677,000
Proceeds from sales of real estate owned and premises and equipment	47,673,000		104,867,000		159,943,000
Purchases of premises and equipment	-222,756,000		-191,969,000		-194,502,000
SCUSA Transaction	0	[1]	0	[1]	-64,409,000	[1]
NET CASH PROVIDED BY/(USED IN) INVESTING ACTIVITIES	9,025,778,000		-5,739,201,000		-7,768,692,000
CASH FLOWS FROM FINANCING ACTIVITIES:	'		'		'
Net change in deposits and other customer accounts	-1,268,632,000		2,992,523,000		5,124,222,000
Net change in short-term borrowings	-6,142,617,000		2,377,417,000		-326,536,000
Net proceeds from long-term borrowings	528,749,000		902,332,000		17,359,371,000
Repayments of long-term borrowings	-958,162,000		-2,468,411,000		-16,339,117,000
Proceeds from FHLB advances (with maturities greater than 90 days)	1,500,000,000		1,250,000,000		1,400,000,000
Repayments of FHLB advances (with maturities greater than 90 days)	-2,040,494,000		-1,331,513,000		-701,853,000
Net change in advance payments by borrowers for taxes and insurance	14,529,000		17,645,000		46,272,000
Cash dividends paid to preferred stockholders	-14,600,000		-14,600,000		-14,600,000
Cash dividends paid to noncontrolling interest	0		0		-73,552,000
NET CASH PROVIDED BY/(USED IN) FINANCING ACTIVITIES	-8,381,227,000		3,725,393,000		6,474,207,000
NET CHANGE IN CASH AND CASH EQUIVALENTS	2,006,136,000		-403,152,000		918,068,000
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	2,220,811,000		2,623,963,000		1,705,895,000
CASH AND CASH EQUIVALENTS, END OF PERIOD	4,226,947,000		2,220,811,000		2,623,963,000
SUPPLEMENTAL DISCLOSURE	'		'		'
Net income taxes paid/(received)	1,489,000		-50,832,000		621,438,000
Interest paid	1,004,926,000		738,597,000		1,312,403,000
SCUSA Transaction - expenses paid by Santander on behalf of SHUSA	0		0		11,000,000
NON-CASH TRANSACTIONS	'		'		'
Loans transferred to other real estate owned	75,158,000		61,894,000		122,912,000
SCUSA's loans transferred to repossessed assets	0		0		1,745,984,000
Receipt of available-for-sale mortgage backed securities in exchange for mortgage loans held-for-sale	0		459,453,000		814,193,000
Dividends declared to noncontrolling interest	$0		$0		$800,000,000
[1]	Represents the cash paid as part of the SCUSA Transaction and the deconsolidation of SCUSA’s cash also related to the SCUSA Transaction.

BASIS_OF_PRESENTATION_AND_ACCO

BASIS OF PRESENTATION AND ACCOUNTING POLICIES	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
BASIS OF PRESENTATION AND ACCOUNTING POLICIES	'
	BASIS OF PRESENTATION AND ACCOUNTING POLICIES
	Organization and Nature of Operations
	Santander Holdings USA, Inc. (“SHUSA” or “the Company”), formerly Sovereign Bancorp Inc., is a Virginia corporation and the holding company of Santander Bank, National Association (the “Bank”). SHUSA is headquartered in Boston, Massachusetts and the Bank's home office is in Wilmington, Delaware. On January 30, 2009, SHUSA was acquired by Banco Santander, S.A. (“Santander”) and, accordingly, is a wholly-owned subsidiary of Santander.
	Effective January 26, 2012, the Bank converted from a federal savings bank to a national banking association.  In connection with the charter conversion, the Bank changed its name to Sovereign Bank, National Association. Also effective January 26, 2012, the Company became a bank holding company. On October 17, 2013, the Bank changed its name to Santander Bank, National Association.
	The Bank’s primary business consists of attracting deposits from its network of retail branches, and originating small business loans, middle market, large and global commercial loans, multi-family loans, residential mortgage loans, home equity loans and lines of credit, and auto and other consumer loans largely focused throughout eastern Pennsylvania, New Jersey, New York, New Hampshire, Massachusetts, Connecticut, Rhode Island, Delaware, and Maryland, although the Bank also conducts business in other areas of the U.S. The Bank uses its deposits, as well as other financing sources, to fund its loan and investment portfolios.
	The Company had a significant equity-method investment in Santander Consumer USA Holdings Inc. ("SCUSA") through December 31, 2013. SCUSA, headquartered in Dallas, Texas, is full-service, technology-driven consumer finance company focused on vehicle finance and unsecured consumer lending products. See Note 6 for more information on SCUSA's initial public offering (the "IPO") filed with the Securities and Exchange Commission (the "SEC") in January 2014.
	Basis of Presentation
	These consolidated financial statements include the accounts of the Company and its subsidiaries, including its principal subsidiary, the Bank, and have been prepared by the Company pursuant to the rules and regulations of the SEC.
	All intercompany balances and transactions have been eliminated in consolidation.
	The accounting and financial reporting policies of the Company and its subsidiaries conform to accounting principles generally accepted in the U.S. ("GAAP"). Where applicable, the policies conform to the accounting and reporting guidelines prescribed by bank regulatory authorities. However, in the opinion of management, the accompanying consolidated financial statements reflect all adjustments of a normal and recurring nature necessary to present fairly the Consolidated Balance Sheets, Statements of Operations, Comprehensive Income, Stockholder's Equity and Cash Flows for the periods indicated, and contain adequate disclosure to make the information presented not misleading.
	Significant Accounting Policies
	Management identified accounting for consolidation, allowance for loan losses and reserve for unfunded lending commitments, goodwill, derivatives and hedge activities, and income taxes as the most critical accounting policies and estimates, in that they are important to the portrayal of the Company's financial condition and results and require management's most difficult, subjective and complex judgments as a result of the need to make estimates about the effect of matters that are inherently uncertain.
	As of January 1, 2012, the Company elected to account for its existing portfolio of residential MSRs at fair value. See further discussion below.
	NOTE 1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES (continued)
	During the fourth quarter of 2013, the Company changed its annual goodwill impairment testing date from December 31 to October 1. The Company believes it is preferable to perform the annual goodwill impairment test as of this date because it provides the Company with additional time to complete the annual impairment test in advance of its year-end reporting and it more closely aligns with the timing of the Company’s strategic planning cycle. See Note 7 for more information regarding the Company's annual goodwill impairment testing date. There have been no additional significant changes to the Company's accounting policies during 2013.
	The following is a description of the significant accounting policies of the Company.
	Reclassifications and other corrections
	Certain prior-year amounts have been reclassified to conform to the current year presentation. These reclassifications did not have a material impact on our consolidated financial condition or results of operations.
	In the fourth quarter of 2012, the Company reclassified amounts presented in the December 31, 2011 Consolidated Statement of Operations and Cash Flows of $987.7 million related to the gain recognized from the SCUSA Transaction. This amount was reclassified from "SCUSA Transaction" to "Income/(expense) from equity method investments" in the Consolidated Statements of Operations and from "Gain recognized due to SCUSA Transaction" to "Equity earnings from equity method investments" in the Consolidated Statement of Cash Flows. This reclassification had no effect on any other consolidated financial statement.
	The Company reclassified amounts related to equity investments of $14.8 million for the year ended December 31, 2011 in the Consolidated Statement of Operations and Cash Flows. The amount was reclassified from "Equity method investments" within "Other expenses" to "Income/(expense) from equity method investments" within "Total fees and other income" in the Consolidated Statement of Operations and from "Net change in other assets and bank owned life insurance" to "Equity earnings from equity method investments" in the Consolidated Statement of Cash Flows. This reclassification had no effect on any other consolidated financial statement.
	The Company reclassified amounts related to capital markets revenue in the amounts of $8.6 million for the year ended December 31, 2011 in the Consolidated Statement of Operations. The amount was reclassified from "Miscellaneous income" to "Capital markets revenue/(expense)." This reclassification had no effect on any other consolidated financial statement.
	The Company reclassified amounts related to the change in fair value of loans held for investment in the amounts of $12.1 million for the year ended December 31, 2011 in the Consolidated Statement of Cash Flows. The amount was reclassified from "Originations of loans held-for-sale, net of repayments" to "Other." This reclassification had no effect on any other consolidated financial statements.
	The Company reclassified $1.7 billion from Other liabilities to Accrued expenses within the Consolidated Balance Sheets at December 31, 2012. This amount includes balances related to accrued interest expense, loans payable, miscellaneous payables, accrued federal, foreign and state tax, expense accruals and payroll, tax and benefits payables. This reclassification had no effect on any other consolidated financial statement.
	During the first quarter of 2013, the following changes were made:
	•	The Company changed its presentation of the components of comprehensive income. Previously, the components of net income and comprehensive income were presented as one continuous statement. Starting with the first quarter of 2013, the components of net income and comprehensive income were presented as two separate but consecutive statements. There was no impact to any other statement or footnote from this change in presentation.
	•	The Company reclassified the balance of deferred tax assets of $780.4 million at December 31, 2012 within the Consolidated Balance Sheet. This amount was reclassified from Other assets to Deferred tax assets. This reclassification had no effect on any other consolidated financial statements.
	NOTE 1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES (continued)
	During the third quarter of 2013, the Company reclassified approximately $62.0 million of definite-lived intangible assets at December 31, 2012 from Core Deposit Intangibles and Other Intangibles, net to Other Assets within the Consolidated Balance Sheets. This reclassification had no effect on any other consolidated financial statements.
	Consolidation
	The consolidated financial statements include voting rights entities in which the Company has a controlling financial interest. In accordance with the applicable accounting guidance for consolidations, the Company consolidates a variable interest entity (“VIE”) if the Company is considered to be the primary beneficiary because it has: (i) a variable interest in the entity; (ii) the power to direct activities of the VIE that most significantly impact the entity's economic performance; and (iii) the obligation to absorb losses of the entity or the right to receive benefits from the entity that could potentially be significant to the VIE. Variable interests can include equity interests, subordinated debt, derivative contracts, leases, service agreements, guarantees, standby letters of credit, loan commitments, and other contracts, agreements and financial instruments. See Note 6 for information on the Company's involvement with VIEs.
	The Company uses the equity method to account for unconsolidated investments in voting rights entities or VIEs if the Company has influence over the entity's operating and financing decisions but does not maintain a controlling financial interest. Unconsolidated investments in voting rights entities or VIEs in which the Company has a voting or economic interest of less than 20% generally are carried at cost. These investments are included in "Equity method investments" on the Consolidated Balance Sheet, and the Company's proportionate share of income or loss is included in "Equity Method Investments" within the Consolidated Statements of Operations.
	In July 2009, Santander contributed SCUSA, a majority-owned subsidiary, to the Company. SCUSA's results of operations were consolidated by the Company from January 2009 until December 31, 2011. On December 31, 2011, the Company deconsolidated SCUSA as a result of certain agreements with third-party investors entered into during the fourth quarter of 2011 (“SCUSA Transaction”). The SCUSA Transaction reduced the Company's ownership interest and its power to direct the activities that most significantly impact SCUSA's economic performance so that SHUSA no longer has a controlling interest in SCUSA. Accordingly, SCUSA is accounted for as an equity method investment. Refer to Note 6 to the Consolidated Financial Statements to for additional information.
	Business Combinations
	The Company records the net assets of companies that are acquired at their estimated fair value at the date of acquisition, and includes the results of operations of the acquired companies in the Consolidated Statement of Operations from the date of acquisition. The Company recognizes, as goodwill, the excess of the acquisition price over the estimated fair value of the net assets acquired.
	Use of Estimates
	The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. The most significant estimates pertain to consolidation, fair value measurements, allowance for loan losses and reserve for unfunded lending commitments, goodwill, derivatives and hedge activities, and income taxes. Actual results may differ from the estimates, and the differences may be material to the consolidated financial statements.
	Subsequent Events
	All material events that occurred after the date of the consolidated financial statements and before the consolidated financial statements were issued have been either recognized in the consolidated financial statements or disclosed in the Notes to the Consolidated Financial Statements.
	The Company evaluated events from the date of the consolidated financial statements on December 31, 2013 through the issuance of those consolidated financial statements included in this Annual Report on Form 10-K.
	NOTE 1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES (continued)
	Revenue Recognition
	The Company earns interest and non-interest income from various sources, including:
	•	Lending
	•	Investment securities
	•	Customer deposit fees
	•	Bank owned life insurance ("BOLI")
	•	Loan sales and servicing
	•	Securities and derivatives trading activities, including foreign exchange
	The principal source of revenue is interest income from loans and investment securities. Interest income is recognized on an accrual basis primarily according to non-discretionary formulas in written contracts, such as loan agreements or securities contracts. Revenue earned on interest-earning assets including unearned income and the accretion of discounts recognized on acquired or purchased loans is recognized based on the constant effective yield of such interest-earning assets.
	Gains or losses on sales of investment securities are recognized on the trade date.
	The Company recognizes revenue from servicing commercial mortgages and consumer loans as earned. Mortgage banking revenue/(expense) include fees associated with servicing loans for third parties based on the specific contractual terms, as well as amortization (for 2011 only) and changes in the fair value of mortgage servicing rights (“MSRs”). Gains or losses on sales of residential mortgage, multi-family and home equity loans are included within mortgage banking revenues and are recognized when the sale is complete.
	Service charges on deposit accounts are recognized when earned.
	Income from BOLI represents increases in the cash surrender value of the policies, as well as insurance proceeds and interest.
	Fair Value Measurements
	The Company values assets and liabilities based on the principal market in which each would be sold (in the case of assets) or transferred (in the case of liabilities). The principal market is the forum with the greatest volume and level of activity. In the absence of a principal market, valuation is based on the most advantageous market. In the absence of observable market transactions, the Company considers liquidity valuation adjustments to reflect the uncertainty in pricing the instruments. The fair value of a financial asset is measured on a stand-alone basis and cannot be measured as a group, with the exception of certain financial instruments held and managed on a net portfolio basis. In measuring the fair value of a nonfinancial asset, the Company assumes the highest and best use of the asset by a market participant - not just the intended use - to maximize the value of the asset. The Company also considers whether any credit valuation adjustments are necessary based on the counterparty's credit quality.
	When measuring the fair value of a liability, the Company assumes that the transfer will not affect the nonperformance risk associated with the liability. The Company considers the effect of the credit risk on the fair value for any period in which fair value is measured. There are three acceptable techniques for measuring fair value: the market approach, the income approach and the cost approach. Selecting the appropriate technique for valuing a particular asset or liability depends on the exit price of the asset or liability being valued, and how a market participant would value the same asset or liability. Ultimately, selecting the appropriate valuation method requires significant judgment.
	Valuation inputs refer to the assumptions market participants would use in pricing a given asset or liability. Inputs can be observable or unobservable. Observable inputs are assumptions based on market data obtained from an independent source. Unobservable inputs are assumptions based on the Company's own information or assessment of assumptions used by other market participants in pricing the asset or liability. The unobservable inputs are based on the best and most current information available on the measurement date.
	NOTE 1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES (continued)
	Additional information regarding fair value measurements and disclosures is provided in Note 17, “Fair Value”.
	Cash and Cash Equivalents
	Cash and cash equivalents include cash and amounts due from depository institutions, interest-bearing deposits in other banks, federal funds sold, and securities purchased under agreements to resell. Cash and cash equivalents have maturities of three months or less, and, accordingly, the carrying amount of these instruments is deemed to be a reasonable estimate of fair value.
	The Company also maintains restricted cash primarily related to cash posted as collateral related to derivative agreements and cash restricted for investment purposes.
	Investment Securities and Other Investments
Investment securities that the Company has the intent and ability to hold to maturity are classified as held-to-maturity and reported at amortized cost. Securities expected to be held for an indefinite period of time are classified as available-for-sale and are carried at fair value, with temporary unrealized gains and losses reported as a component of accumulated other comprehensive income within stockholder's equity, net of estimated income taxes.
Available-for-sale and held-to-maturity securities are reviewed quarterly for possible other-than-temporary impairment (“OTTI”). We conduct a comprehensive security-level impairment assessment quarterly on all securities in an unrealized loss position to determine whether the loss represents OTTI. Our assessment considers the security structure, recent security collateral performance metrics, external credit ratings, failure of the issuer to make scheduled interest or principal payments, our judgment and expectations of future performance, and relevant independent industry research, analysis and forecasts. We also consider the severity of the impairment in our assessment. In the event of a credit loss, the credit component of the impairment is recognized within non-interest income, and the non-credit component is recognized through accumulated other comprehensive income.
Realized gains and losses on sales of investments securities are included in earnings as part of non-interest income.
Other investments include the Company's investment in the stock of the Federal Home Loan Bank ("FHLB") of New York, Pittsburgh and Boston and debentures of FHLB, the Federal National Mortgage Association (“FNMA”), and the Federal Home Loan Mortgage Corporation (“FHLMC”). Although FHLB stock is an equity interest in an FHLB, it does not have a readily determinable fair value, because its ownership is restricted and it is not readily marketable. FHLB stock can be sold back only at its par value of $100 per share and only to FHLBs or to another member institution. Accordingly, FHLB stock is carried at cost. The Company evaluates this investment for impairment on the ultimate recoverability of the par value rather than by recognizing temporary declines in value.
See Note 3 to the Consolidated Financial Statements for detail on the Company's investments.
Loans held for investment
Loans are reported net of loan origination fees, direct origination costs and discounts and premiums associated with purchased loans and unearned income. Interest on loans is credited to income as it is earned. Loan origination fees and certain direct loan origination costs are deferred and recognized as adjustments to interest income in the Consolidated Statements of Operations over the contractual life of the loan utilizing the effective interest rate method. Premiums and discounts associated with loans purchased by the Bank are deferred and amortized as adjustments to interest income utilizing the effective interest rate method using estimated prepayment speeds, which are updated on a quarterly basis. Interest income is not recognized on loans when the loan payment is 90 days or more delinquent for commercial loans and consumer loans, excluding credit cards, or sooner if management believes the loan has become impaired. Credit cards continue to accrue interest until they are 180 days delinquent, at which point they are charged off and interest is removed from interest income.
NOTE 1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES (continued)
Certain loans acquired that result in recognition of a discount attributable, at least in part, to credit quality, and are not subsequently accounted for at fair value, are accounted for under the receivable topic of the FASB Accounting Standards Codification Section 310-30, “Loans and Debt Securities Acquired with Deteriorated Credit Quality.” The excess of the estimated undiscounted principal, interest and other cash flows expected to be collected over the initial investment in the acquired loans is amortized to interest income over the expected life of the loans through the effective interest rate method. The amount amortized for the acquired loan pool is adjusted when there is an increase or decrease in the expected cash flows. Further, the Company assesses impairment on these acquired loan pools for which there has been a decrease in the expected cash flows. Impairment is measured based on the present value of the expected cash flows from the loan (including the estimated fair value of the underlying collateral), discounted using the loan's effective interest rate.
A loan is determined to be non-accrual when it is probable that scheduled payments of principal and interest will not be received when due according to the contractual terms of the loan agreement. When a loan is placed on non-accrual status, all accrued yet uncollected interest is reversed from income. When the collectability of the recorded loan balance of a nonaccrual loan is in doubt, any cash payments received from the borrower are applied first to reduce the carrying value of the loan. Otherwise, interest income may be recognized to the extent cash is received. Generally, a nonaccrual loan is returned to accrual status when all delinquent interest and principal become current under the terms of the loan agreement and the collectability of remaining principal and interest is no longer doubtful. Interest income recognition resumes for nonaccrual loans that were accounted for on a cash basis method when they returned to accrual status, while interest income that was previously recorded as reduction in the carrying value of the loan would be recognized as interest income based on the effective yield to maturity on the loan.
Troubled debt restructurings (“TDRs”) are loans that have been modified whereby the Company has agreed to make certain concessions to customers to both meet the needs of the customers and maximize the ultimate recovery of the loan. TDRs occur when a borrower is experiencing, or is expected to experience, financial difficulties and the loan is modified involving a concession that would otherwise not be granted to the borrower. TDRs are generally placed on non-accrual status until the Company believes repayment under the revised terms is reasonably assured and a sustained period of repayment performance has been achieved (typically defined as six months for a monthly amortizing loan). All costs incurred by the Company in connection with a TDR are expensed as incurred. The TDR classification will remain on the loan until it is paid in full or liquidated.
Impaired loans are defined as all TDRs plus non-accrual commercial loans in excess of $1 million as of the balance sheet date. In addition, the Company may perform a specific reserve analysis on loans that fail to meet this threshold if the nature of the collateral or business conditions warrant. As of December 31, 2013, the Company is performing a specific reserve analysis on certain loans within the Corporate Banking and remaining commercial classes of financing receivables, regardless of loan size.
The Company measures impairment based on the present value of expected future cash flows discounted at the loan's effective interest rate, except that, as a practical expedient, the Company may measure impairment based on a loan's observable market price, or the fair value of the collateral if the loan is a collateral-dependent loan.
A loan is considered to be impaired when, based upon current information and events, it is probable that the Bank will be unable to collect all amounts due according to the contractual terms of the loan. An insignificant delay (e.g., less than 90 days) or insignificant shortfall in amount of payments does not necessarily result in the loan being identified as impaired.
See Note 4 to the Consolidated Financial Statements for detail on the Company's loans and related allowance for loan losses.
Loans Held-for-Sale
As of December 31, 2013 and 2012 all loans held-for-sale ("LHFS") were carried at fair value. Generally, residential loans are valued on an aggregate portfolio basis, and commercial loans are valued on an individual loan basis. Gains and losses on LHFS which are accounted for at fair value are recorded in other non-interest income. Direct loan origination costs and fees are recorded in other non-interest income at origination. The fair value of LHFS is based on what secondary markets are currently offering for portfolios with similar characteristics, and related gains and losses are recorded in non-interest income.
NOTE 1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES (continued)
See Note 4 to the Consolidated Financial Statements for detail on the Company's loans and related allowance.
Allowance for Loan Losses and Reserve for Unfunded Lending Commitments
The allowance for loan losses and reserve for unfunded lending commitments, collectively referred to as the “allowance for credit losses,” are maintained at levels that management considers adequate to provide for losses based upon an evaluation of known and inherent risks in the loan portfolio. Management's evaluation takes into consideration the risks inherent in the loan portfolio, past loan loss experience, specific loans with loss potential, geographic and industry concentrations, delinquency trends, economic conditions and other relevant factors. While management uses the best information available to make such evaluations, future adjustments to the allowance for credit losses may be necessary if conditions differ substantially from the assumptions used in making the evaluations.
The allowance for loan losses consists of two elements: (i) an allocated allowance, which is comprised of allowances established on loans specifically evaluated for impairment and loans collectively evaluated for impairment based on historical loan loss experience adjusted for current trends and both general economic conditions and other risk factors in the Company's loan portfolios, and (ii) an unallocated allowance to account for a level of imprecision in management's estimation process. Reserve levels are collectively reviewed for adequacy and approved quarterly by Board-level committees.
Management regularly monitors the condition of borrowers and assesses both internal and external factors in determining whether any relationships have deteriorated, considering factors such as historical loss experience, trends in delinquency and non-performing loans, changes in risk composition and underwriting standards, experience and ability of staff and regional and national economic conditions and trends.
For the commercial loans portfolio segment, the Bank has specialized credit officers and workout units that identify and manage potential problem loans. Changes in management factors, financial and operating performance, company behavior, industry factors and external events and circumstances are evaluated on an ongoing basis to determine whether potential impairment is evident and additional analysis is needed. For the commercial loans portfolio segment, risk ratings are assigned to each individual loan to differentiate risk within the portfolio, and are reviewed on an ongoing basis by credit risk management and revised, if needed, to reflect the borrowers' current risk profiles and the related collateral positions. The risk ratings consider factors such as financial condition, debt capacity and coverage ratios, market presence and quality of management. Generally, credit officers reassess a borrower's risk rating on no less than an annual basis, and more frequently if warranted. This reassessment process is managed on a continual basis by the Credit Monitoring group to ensure consistency and accuracy in risk ratings as well as appropriate frequency of risk rating review by the Bank's credit officers. The Company's Internal Audit group regularly performs loan reviews and assesses the appropriateness of assigned risk ratings. When a loan's risk rating is downgraded beyond a certain level, the Company's Workout Department becomes responsible for managing the credit risk. Risk rating actions are generally reviewed formally by one or more credit committees, depending on the size of the loan and the type of risk rating action being taken. Detailed analyses are completed that support the risk rating and management's strategies for the customer relationship going forward.
The consumer loans portfolio segment and small business loans are monitored for credit risk and deterioration with statistical tools considering factors such as delinquency, loan-to-value ratio, and credit scores. The Bank evaluates the consumer portfolios throughout their life cycle on a portfolio basis. When problem loans are identified that are secured with collateral, management examines the loan files to evaluate the nature and type of collateral supporting the loans. Management documents the collateral type, date of the most recent valuation, and whether any liens exist, to determine the value to compare against the committed loan amount.
When the Bank determines that the value of an impaired loan is less than its carrying amount, the Bank recognizes impairment through a provision estimate or a charge-off to the allowance. Management performs these assessments on at least a quarterly basis.
NOTE 1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES (continued)
For the commercial loans portfolio segment, a charge-off is recorded when a loan, or portion thereof, is considered uncollectible and of such little value that its continuance on the Company's books as an asset is not warranted, as outlined in accounting and regulatory guidance. Charge-offs are recorded on a monthly basis and partially charged-off loans continue to be evaluated on not less than a quarterly basis, with additional charge-offs or loan loss provisions taken on the remaining loan balance, if warranted, utilizing the same criteria.
Consumer loans (excluding auto loans and credit cards) and any portion of a consumer loan secured by a real estate mortgage not adequately secured are generally charged-off when deemed to be uncollectible or delinquent 180 days or more (120 days for closed-end consumer loans not secured by real estate), whichever comes first, unless it can be clearly demonstrated that repayment will occur regardless of the delinquency status. Examples that would demonstrate repayment include; a loan that is secured by collateral and is in the process of collection; a loan supported by a valid guarantee or insurance; or a loan supported by a valid claim against a solvent estate. Auto loans are charged off when an account becomes 121 days delinquent if the Company has not repossessed the related vehicle. The Company charges off accounts in repossession when the automobile is repossessed and legally available for disposition. Credit cards that are 180 days delinquent are charged-off and all interest previously recognized is reversed from interest income.
Within the consumer loans portfolio segment, for both residential and home equity loans, loss severity assumptions are incorporated into the loan loss reserve models to estimate loan balances that will ultimately charge-off. These assumptions are based on recent loss experience for six loan-to-value bands within the portfolios. Current loan-to-value ratios are updated based on movements in the state-level Federal Housing Finance Agency House Pricing Indexes.
Additionally, the Company reserves for certain incurred, but undetected, losses within the loan portfolio. This is due to several factors, such as, but not limited to, inherent delays in obtaining information regarding a customer's financial condition or changes in its unique business conditions and the interpretation of economic trends. While this analysis is conducted at least quarterly, the Company has the ability to revise the allowance factors whenever necessary in order to address improving or deteriorating credit quality trends or specific risks associated with a loan pool classification.
Regardless of the extent of the Company's analysis of customer performance, portfolio evaluations, trends or risk management processes established, a level of imprecision will always exist due to the judgmental nature of loan portfolio and/or individual loan evaluations. The Company maintains an unallocated allowance to recognize the existence of these exposures.
In addition to the allowance for loan losses, management also estimates probable losses related to unfunded lending commitments. Unfunded lending commitments for commercial customers are analyzed and segregated by risk according to the Company's internal risk rating scale. These risk classifications, in conjunction with an analysis of historical loss experience, current economic conditions and performance trends within specific portfolio segments, and any other pertinent information result in the estimation of the reserve for unfunded lending commitments. Additions to the reserve for unfunded lending commitments are made by charges to the Provision for credit losses, and this reserve is classified within Other liabilities on the Company's Consolidated Balance Sheets.
Risk factors are continuously reviewed and revised by management when conditions warrant. A comprehensive analysis of the allowance for loan losses and reserve for unfunded lending commitments is performed by the Company on a quarterly basis. In addition, a review of allowance levels based on nationally published statistics is conducted on at least an annual basis.
The factors supporting the allowance for loan losses and the reserve for unfunded lending commitments do not diminish the fact that the entire allowance for loan losses and the reserve for unfunded lending commitments are available to absorb losses in the loan portfolio and related commitment portfolio, respectively. The Company's principal focus, therefore, is on the adequacy of the total allowance for loan losses and reserve for unfunded lending commitments.
The allowance for loan losses and the reserve for unfunded lending commitments are subject to review by banking regulators. The Company's primary bank regulators conduct examinations of the allowance for loan losses and reserve for unfunded lending commitments and make assessments regarding their adequacy and the methodology employed in their determination.
See Note 4 to the Consolidated Financial Statements for detail on the Company's loans and related allowance.
NOTE 1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES (continued)
Premises and Equipment
Premises and equipment are carried at cost, less accumulated depreciation. Depreciation is calculated utilizing the straight-line method. Estimated useful lives are as follows:
Office buildings		10 to 30 years
Leasehold improvements(1)		10 to 30 years
Software(2)		3 to 5 years
Furniture, fixtures and equipment		3 to 10 years
Automobiles		5 years
(1)Leasehold improvements are depreciated over the shorter of the useful lives of the assets or the remaining term of the leases. The useful life of the leasehold improvements maybe extended beyond the base term of the lease contract when the lease contract includes renewal option period(s) that are reasonably assured of being exercised at the date the leasehold improvements are purchased.  At no point does the depreciable life exceed the economic useful life of the leasehold improvement or the expected term of the lease contract.
(2)Standard depreciable period for software is three years. However, for larger software implementation projects, a five-year period is utilized. For the 2012 information technology ("IT") transformation, the Company utilized a depreciable period of five years.
Expenditures for maintenance and repairs are charged to expense as incurred.
See Note 5 to the Consolidated Financial Statements for detail on the Company's premises and equipment.
Cost and Equity Method Investments
For investments in limited partnerships, limited liability companies and other investments, including SCUSA, that are not required to be consolidated, the Company uses either the equity method or the cost method of accounting. The Company uses the equity method for general and limited partner ownership interests and limited liability companies in which the Company is considered to have significant influence over the operations of the investee and when the net asset value of our investment reflects our economic interest in the underlying investment. Under the equity method, the Company records the equity ownership share of net income or loss of the investee in "Income/(expense) from equity method investments". The Company uses the cost method for all other investments. Under the cost method, there is no change to the cost basis unless there is an other-than-temporary decline in value or dividends are received. If the decline is determined to be other-than temporary, the Company writes down the cost basis of the investment to a new cost basis that represents realizable value. The amount of the write-down is accounted for as a loss included in "Income/(expense) from equity method investments". Distributions received from the income of an investee on cost method investments are included in "Income/(expense) from equity method investments". Investments described above are included in the caption "Equity investments" on the Consolidated Balance Sheet.
See Note 6 to the Consolidated Financial Statements for detail on the Company's equity investments.
Goodwill
Goodwill is the excess of the purchase price over the fair value of the tangible and identifiable intangible assets and liabilities of companies acquired through business combinations accounted for under the acquisition method.
Goodwill and other indefinite-lived intangible assets are not amortized on a recurring basis, but rather are subject to periodic impairment testing. Management performs an annual goodwill impairment test and whenever events occur or circumstances change that indicate the fair value of a reporting unit may be below its carrying value.
During the year, the Company changed its goodwill impairment testing date from December 31 to October 1. Refer to further discussion of this change in Note 7, Goodwill in the Notes to the Consolidated Financial Statements.
The Company performed goodwill impairment testing as of October 1, 2013 and December 31, 2012 and concluded that goodwill was not impaired. The Company did not have any indefinite-lived intangible assets as of December 31, 2013.
NOTE 1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES (continued)
See Note 7 to the Consolidated Financial Statements for detail on the Company's goodwill.
Core Deposit Intangibles
Core deposit intangibles are a measure of the value of checking, savings and other-low cost deposits acquired in business combinations accounted for under the acquisition method. Core deposit intangibles are amortized over the estimated useful lives of the existing deposit relationships acquired, but not exceeding 10 years. The Company evaluates the identifiable intangibles for impairment when an indicator of impairment exists, but not less than annually. Separable intangible assets that are not deemed to have an indefinite life continue to be amortized over their useful lives.
See Note 8 to the Consolidated Financial Statements for detail on the core deposit intangibles.
Mortgage Servicing Rights
Effective January 1, 2012, the Company elected to measure our residential MSRs at fair value. This election was made to be consistent with the risk management strategy to hedge changes in the fair value of these assets. The fair value of residential MSRs is estimated by using a cash flow valuation model which calculates the present value of estimated future net servicing cash flows, taking into consideration actual and expected mortgage loan prepayment rates, discount rates, servicing costs, and other economic factors which are determined based on current market conditions. Assumptions incorporated into the residential MSRs valuation model reflect management's best estimate of factors that a market participant would use in valuing the residential MSRs. Although sales of residential MSRs do occur, residential MSRs do not trade in an active market with readily observable prices.
As a benchmark for the reasonableness of the residential MSRs fair value, opinions of value from independent parties (“brokers”) are obtained. These brokers provide a range of values based upon their own discounted cash flow calculations of our portfolio that reflect conditions in the secondary market and any recently executed servicing transactions. Management compares the internally-developed residential MSRs value to the ranges of values received from the brokers. If the residential MSRs fair value falls outside of the brokers' ranges, management will assess whether a valuation adjustment is warranted. The residential MSRs value is considered to represent a reasonable estimate of fair value.
See Note 8 to the Consolidated Financial Statements for detail on the MSRs.
Bank Owned Life Insurance
BOLI represents the cash surrender value for life insurance policies for certain current and former employees who have provided positive consent allowing the Bank to be the beneficiary of such policies. Increases in the net cash surrender value of the policies, as well as insurance proceeds received, are recorded in non-interest income, and are not subject to income taxes.
Other Real Estate Owned and Other Repossessed Assets
Other real estate owned (“OREO”) and other repossessed assets consist of properties and other assets acquired by, or in lieu of, foreclosure in partial or total satisfaction of non-performing loans. Assets obtained in satisfaction of a loan is recorded at the lower of cost or estimated fair value minus estimated costs to sell based upon the property's appraisal value at the date of transfer. The excess of the carrying value of the loan over the fair value of the property minus estimated costs to sell are charged to the allowance for loan losses. Any decline in the estimated fair value of asset that occurs after the initial transfer from the loan portfolio and costs of holding the property are recorded as operating expenses, except for significant property improvements that are capitalized to the extent that the carrying value does not exceed the estimated fair value. OREO and other repossessed assets are classified within Other Assets on the Consolidated Balance Sheets and totaled $91.7 million and $69.3 million at December 31, 2013 and December 31, 2012, respectively.
NOTE 1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES (continued)
Leases
We provide financing for various types of equipment, aircraft, energy and power systems, and automobiles through a variety of lease arrangements. Direct financing leases are carried at the aggregate of lease payments plus estimated residual value of the leased property, less unearned income. Leveraged leases, a form of financing lease, are carried net of non-recourse debt. We recognize income over the term of the lease using the constant effective yield method. Lease residual values are reviewed for OTTI on an annual basis. Gains or losses on the sale of leased assets are included in Other non-interest income while valuation adjustments on lease residuals are included in Other non-interest expense.
Derivative Instruments and Hedging Activity
The Company uses derivative financial instruments primarily to help manage exposure to interest rate, foreign exchange, equity and credit risk. Derivative financial instruments are also used to reduce the effects that changes in interest rates may have on net income, fair value of assets and liabilities, and cash flows. The Company also enters into derivatives with customers to facilitate their risk management activities.
Derivative instruments designated in a hedge relationship to mitigate exposure to changes in the fair value of an asset, liability or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Derivative instruments designated in a hedge relationship to mitigate exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. The Company formally documents the relationships of certain qualifying hedging instruments and hedged items, as well as its risk-management objective and strategy for undertaking each hedge transaction.
Fair value hedges that are highly effective are accounted for by recording the change in the fair value of the derivative instrument and the related hedged asset, liability or firm commitment on the Consolidated Balance Sheet with the corresponding income or expense recorded in the Consolidated Statement of Operations. The adjustment to the hedged asset or liability is included in the basis of the hedged item, while the fair value of the derivative is recorded as an other asset or other liability. Actual cash receipts or payments and related amounts accrued during the period on derivatives included in a fair value hedge relationship are recorded as adjustments to the income or expense associated with the hedged asset or liability.
Cash flow hedges that are highly effective are accounted for by recording the fair value of the derivative instrument on the Consolidated Balance Sheet as an asset or liability, with a corresponding charge or credit, net of tax, recorded in accumulated other comprehensive income within stockholder's equity, in the accompanying Consolidated Balance Sheet. Amounts are reclassified from accumulated other comprehensive income to the Consolidated Statements of Operations in the period or periods the hedged transaction affects earnings. In the case where certain cash flow hedging relationships have been terminated, the Company continues to defer the net gain or loss in accumulated other comprehensive income and reclassifies it into interest expense as the future cash flows occur, unless it becomes probable that the future cash flows will not occur.
We discontinue hedge accounting when it is determined that the derivative no longer qualifies as an effective hedge; the derivative expires or is sold, terminated or exercised; the derivative is designated as a fair value or cash flow hedge, or for a cash flow hedge, it is no longer probable that the forecasted transaction will occur by the end of the originally specified time period. If we determine that the derivative no longer qualifies as a fair value or cash flow hedge and hedge accounting is discontinued, the derivative will continue to be recorded on the balance sheet at its fair value, with changes in fair value included in current earnings. For a discontinued fair value hedge, the previously hedged item is no longer adjusted for changes
in fair value.
The portion of gains and losses on derivative instruments not considered highly effective in hedging the change in fair value or expected cash flows of the hedged item, or derivatives not designated in hedging relationships, are recognized immediately in the Consolidated Statement of Operations. See Note 13 to the Consolidated Financial Statements for further discussion.
NOTE 1. BASIS OF PRESENTATION AND ACCOUNTING POLICIES (continued)
Income Taxes
The Company accounts for income taxes under the asset and liability method. Deferred taxes are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates that will apply to taxable income in the years in which those temporary differences are expected to reverse or be realized. The effect on deferred tax assets and liabilities of a change in tax rates is recognized as income or expense in the period that includes the enactment date.
A valuation allowance will be established if the Company determines that it is more likely than not that a deferred tax asset will not be realized. This requires periodic reviews of the carrying amount of deferred tax assets and when the deferred tax assets will be realized in future periods. Consideration is given to all positive and negative evidence related to the realization of the deferred tax assets. Items considered in this evaluation include historical financial performance, expectation of future earnings, the ability to carry back losses to recoup taxes previously paid, length of statutory carryforward periods, experience with operating loss and tax credit carryforwards not expiring unused, tax planning strategies and timing of reversals of temporary differences. Significant judgment is required in assessing future earnings trends and the timing of reversals of temporary differences. The Company's evaluation is based on current tax laws, as well as management's expectations of future performance.
In establishing a provision for income tax expense, the Company must make judgments and interpretations about the application of inherently complex tax laws of the U.S., its states and municipalities, as well as certain foreign countries. Actual income taxes paid may vary from estimates depending upon changes in income tax laws, actual results of operations, and the final audit of tax returns by taxing authorities. Tax assessments may arise several years after tax returns have been filed. The Company reviews its tax balances quarterly and as new information becomes available, the balances are adjusted, as appropriate. Interest and penalties on income tax payments are included within Income tax provision on the Consolidated Statements of Operations.
The Company recognizes in its financial statements tax benefits from tax positions when it is more likely than not the position will be sustained upon examination by the tax authorities. Such tax positions are initially and subsequently measured as the largest amount of tax benefit that is greater than 50% likely of being realized upon ultimate settlement with the tax authority, assuming full knowledge of the position and all relevant facts. See Note 14 of the Consolidated Financial Statements for details on the Company's income taxes.
Asset Securitizations
The Company has historically securitized multi-family and commercial real estate loans, mortgage loans, home equity and other consumer loans, as well as automotive floor plan receivables that it originated and/or purchased from certain other financial institutions. After receivables or loans are securitized, the Company continues to maintain account relationships with its customers. The Company may provide administrative, liquidity facilities and/or other services to the resulting securitization entities, and may continue to service the financial assets sold to the securitization entity.
If the securitization transaction meets the accounting requirements for deconsolidation and sale treatment, the securitized receivables or loans are removed from the balance sheet and a net gain or loss is recognized in income at the time of sale and each subsequent sale. Net gains or losses resulting from securitizations are recorded in non-interest income. See further discussion on the Company's securitizations in Note 6.
Stock-Based Compensation
The Company, through Santander, sponsors stock plans under which incentive and non-qualified stock options and non-vested stock may be granted periodically to certain employees. The Company recognizes compensation expense related to stock options and non-vested stock awards based upon the fair value of the awards on the date of the grant, adjusted for expected forfeitures, and which is charged to earnings over the requisite service period (e.g. vesting period). Additionally, the Company estimates the number of awards for which it is probable that service will be rendered and adjusts compensation cost accordingly. Estimated forfeitures are subsequently adjusted to reflect actual forfeitures. The required disclosures related to the Company's stock-based employee compensation plan are included in Note 15.

RECENT_ACCOUNTING_DEVELOPMENTS

RECENT ACCOUNTING DEVELOPMENTS	12 Months Ended
	Dec. 31, 2013
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]	'
RECENT ACCOUNTING DEVELOPMENTS	'
	RECENT ACCOUNTING DEVELOPMENTS
	In December 2011, the FASB issued ASU 2011-11, an update to ASC 210, "Balance Sheet", which requires entities to disclose both gross information and net information about both financial instruments and transactions eligible for offset in the statement of financial position and transactions subject to an agreement similar to a master netting arrangement. The amendment is designed to enhance disclosures about the financial instruments and derivatives, which will allow the users of an entity's financial statements to evaluate the effect of netting arrangements on an entity's financial position. In January 2013, the FASB issued ASU 2013-01 to clarify the scope of disclosures about offsetting assets and liabilities under ASU 2011-11. ASU 2013-01 states that ordinary trade receivables and receivables are not in the scope of ASU 2011-11, and that ASU 2011-11 applies only to derivatives, repurchase agreements and reverse repurchase agreements, and securities borrowing and securities lending transactions that are either offset in accordance with specific criteria or subject to a master netting arrangement or similar agreement. The amendments to ASC 210 were effective for interim and annual periods beginning January 1, 2013 and were applied retrospectively to the beginning of the first annual period presented. The implementation of ASU 2011-11 did not have a significant impact on the Company’s financial position, results of operations or disclosures. The new disclosures required by ASU 2011-11 are included in Note 13, Derivatives.
	In July 2012, the FASB issued ASU 2012-02, an update to ASC 350, "Intangibles-Goodwill and Other: Testing Indefinite-Lived Intangible Assets for Impairment." This ASU states that an entity has the option first to assess qualitative factors to determine whether the existence of events and circumstances indicates that it is more likely than not that the indefinite-lived intangible asset is impaired as the basis for determining whether it is necessary to perform the two-step impairment test. The amendments to the ASC were effective January 1, 2013 and applied prospectively. The implementation of this guidance did not have an significant impact on the Company’s financial position, results of operations or disclosures.
	In February 2013, the Financial Accounting Standard Board ("FASB") issued Accounting Standard Update ("ASU") 2013-02, an update to ASC 220, "Comprehensive Income," to improve the transparency of reporting reclassifications out of accumulated other comprehensive income. The amendments require a company to provide information about the amounts reclassified out of accumulated other comprehensive income by component. In addition, a company is required to present, either on the face of the statement where net income is presented or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income, but only if the amount reclassified is required under GAAP to be reclassified to net income in its entirety in the same reporting period. For other amounts that are not required under GAAP to be reclassified in their entirety to net income in the same reporting period, a company is required to cross-reference to other disclosures required under GAAP that provide additional detail about these amounts. The amendments were effective for the Company prospectively beginning January 1, 2013. The implementation of ASU 2013-02 did not have a significant impact on the Company’s financial position or results, operations or disclosures. The new disclosures required by ASU 2013-02 are included in Note 12, Accumulated Other Comprehensive Income.
	In February 2013, the FASB issued ASU 2013-04, an update to ASC 405, "Liabilities". This ASU requires an entity to measure obligations resulting from joint and several liability arrangements for which the total amount of the obligation within the scope of this guidance is fixed at the reporting date as the sum of (a) the amount the reporting entity agreed to pay on the basis of its arrangement among its co-obligors and (b) any additional amount the reporting entity expects to pay on behalf of its co-obligors. This ASU also requires an entity to disclose the nature and amount of the obligations as well as other information about those obligations. The amendments to this update are effective January 1, 2014 and should be applied retrospectively to all prior periods presented for those obligations resulting from joint and several liability arrangements within the update's scope that exist at the beginning of an entity's fiscal year of adoption. The implementation of this guidance is not expected to have a significant impact on the Company's financial position, results of operations or disclosures.
	In July 2013, the FASB issued ASU 2013-10, an update to ASC 815, "Derivatives and Hedging." This ASU permits the use of the Fed Funds Effective Swap Rate (OIS) as a U.S. benchmark interest rate for hedge accounting purposes under Topic 815, in addition to UST and LIBOR. The amendments also remove the restriction on using different benchmark rates for similar hedges. The provisions of this update were effective on July 17, 2013 for qualifying new or re-designated hedging relationships entered into on or after that date. Earlier application of the guidance is not permitted. The implementation of this guidance did not have a significant impact on the Company's financial position, results of operations or disclosures. Impact of the adoption of this guidance is discussed in Note 13.
	NOTE 2. RECENT ACCOUNTING DEVELOPMENTS (continued)
	In July 2013, the FASB issued ASU 2013-11, an update to ASC 740, "Income Taxes." This ASU provides explicit guidance on the presentation of unrecognized tax benefits, particularly the manner in which an entity would settle, at the reporting date, any additional income taxes that would result from the disallowance of a tax position when net operating loss carryforwards, similar tax losses, or tax credit carryforwards exist. The provisions of this update are effective January 1, 2014 for the Company and should be applied prospectively; however, retrospective application is also permissible. Early adoption of the guidance is permitted. The disclosure impact of this guidance is currently being evaluated by the Company, but is not expected to have a significant impact on the Company's financial position, results of operations or disclosures.
	In January 2014, the FASB issued ASU 2014-01, an update to ASC 323, "Investments - Equity Method and Joint Ventures."
	The ASU revises the necessary criteria that need to be met in order for an entity to account for investments in affordable housing projects net of the provision for income taxes. It also changes the method of recognition from an effective amortization approach to a proportional amortization approach. Additional disclosures were also set forth in this update. The provisions of this update are effective for annual periods, and interim reporting periods within those annual periods, beginning after December 15, 2014. The amendments are required to be applied retrospectively to all periods presented. Early adoption of the guidance is permitted. The impact of this guidance is currently being evaluated by the Company, but is not expected to have a significant impact on the Company's financial position, results of operations or disclosures.
	In January 2014, the FASB issued ASU 2014-04, an update to ASC 310, "Receivables." The ASU clarifies that an in substance repossession or foreclosure occurs upon either the creditor obtaining legal title to the residential real estate property or the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. The amendments are effective for annual periods, and interim reporting periods within those annual periods, beginning after December 15, 2014. The amendments may be adopted using either a modified retrospective transition method or a prospective transition method. Early adoption of the guidance is permitted. The impact of this guidance is currently being evaluated by the Company, but is not expected to have a significant impact on the Company's financial position, results of operations or disclosures.

INVESTMENT_SECURITIES

INVESTMENT SECURITIES	12 Months Ended
	Dec. 31, 2013
Investments, Debt and Equity Securities [Abstract]	'
INVESTMENT SECURITIES	'
	INVESTMENT SECURITIES
	Available-for-sale
	Investment Securities Summary - Available-for-Sale
	The following tables present the amortized cost, gross unrealized gains and losses, and approximate fair values of securities available-for-sale at the dates indicated:
		December 31, 2013
		Amortized				Gross				Gross				Fair
		Cost				Unrealized				Unrealized				Value
						Gains				Loss
		(in thousands)
	U.S. Treasury and government agency securities	$	24,993			$	4			$	—			$	24,997
	Corporate debt securities	2,195,004				35,611				(12,435		)		2,218,180
	Asset-backed securities	2,727,235				9,345				(4,350		)		2,732,230
	Equity securities	10,331				—				(490		)		9,841
	State and municipal securities	1,891,996				20,515				(62,362		)		1,850,149
	Mortgage-backed securities:
	U.S. government agencies	1,904,178				134				(103,889		)		1,800,423
	FHLMC and FNMA debt securities	3,202,428				1,486				(207,392		)		2,996,522
	Non-agency securities	13,898				—				—				13,898
	Total investment securities available-for-sale	$	11,970,063			$	67,095			$	(390,918	)		$	11,646,240
		December 31, 2012
		Amortized				Gross				Gross				Fair
		Cost				Unrealized				Unrealized				Value
						Gains				Loss
		(in thousands)
	U.S. Treasury and government agency securities	$	8,996			$	—			$	—			$	8,996
	Debentures of FHLMC and FNMA	1,150				—				—				1,150
	Corporate debt securities	2,634,602				72,290				(1,186		)		2,705,706
	Asset-backed securities	1,825,950				5,628				(12,741		)		1,818,837
	Equity securities	5,108				113				(5		)		5,216
	State and municipal securities	1,973,559				89,637				(2,904		)		2,060,292
	Mortgage-backed securities:
	U.S. government agencies	6,345,891				72,185				(5,342		)		6,412,734
	FHLMC and FNMA debt securities	5,617,925				58,721				(5,750		)		5,670,896
	Non-agency securities	193				—				—				193
	Total investment securities available-for-sale	$	18,413,374			$	298,574			$	(27,928	)		$	18,684,020
	The Company continuously evaluates its investment strategies in light of changes in the regulatory and market environments that could have an impact on capital and liquidity. Based on this evaluation, it is reasonably possible the Company may elect to pursue other strategies relative to its investment securities portfolio.
	As of December 31, 2013 and December 31, 2012, the Company had investment securities available for sale with an estimated fair value of $3.6 billion and $5.3 billion, respectively, pledged as collateral which was made up of the following: $2.6 billion and $2.0 billion, respectively, were pledged to secure public fund deposits; $0.4 billion and $2.7 billion, respectively, were pledged at various brokers to secure repurchase agreements, support hedging relationships, and for recourse on loans sales; and $562.3 million and $535.2 million, respectively, were pledged to secure the Bank's customer overnight sweep product.
	At December 31, 2013 and 2012, the Company had $60.5 million and $78.7 million, respectively, of accrued interest related to investment securities.
	NOTE 3. INVESTMENT SECURITIES (continued)
	The Company's state and municipal bond portfolio consists of general obligation bonds of states, cities, counties and school districts. The portfolio has a weighted average underlying credit risk rating of AA as of December 31, 2013. The largest geographic concentrations of state and local municipal bonds are in California, Texas, Florida, and Washington, which represented 10.7%, 15.0%, 12.5%, and 10.7%, respectively, of the total portfolio. No other state comprised more than 10% of the total portfolio.
	Contractual Maturity of Debt Securities
	Contractual maturities of the Company’s debt securities available for sale at December 31, 2013 are as follows:
		Due Within One Year				Due After 1 Within 5 Years				Due After 5 Within 10 Years				Due After 10 Years/No Maturity			Total(1)			Weighted Average Yield(2)
		(in thousands)
	U.S Treasury and government agency	$	24,997			$	—			$	—			$	—		$	24,997		0.09	%
	Corporate debt securities	278,736				1,910,516				28,928				—			2,218,180			2.42	%
	Asset backed securities	274,741				1,065,145				1,037,158				355,186			2,732,230			1.37	%
	State and municipal securities	—				10				114,675				1,735,464			1,850,149			3.73	%
	Mortgage-backed securities:
	U.S. government agencies	—				—				11,305				1,789,118			1,800,423			2.01	%
	FHLMC and FNMA securities	456				2,956				3,315				2,989,795			2,996,522			1.77	%
	Non-agencies	—				114				—				13,784			13,898			3.27	%
	Total fair value	$	578,930			$	2,978,741			$	1,195,381			$	6,883,347		$	11,636,399		2.15	%
	Weighted Average Yield	1.89		%		1.87		%		1.85		%		2.34		%	2.15		%
	Total amortized cost	$	576,325			$	2,951,349			$	1,198,763			$	7,233,295		$	11,959,732
	(1) The maturities above do not represent the effective duration of the Company's portfolio, since the amounts above are based on contractual maturities and do
	not contemplate anticipated prepayments.
	(2) Yields on tax-exempt securities are calculated on a tax equivalent basis and are based on the statutory federal tax rate of 35%.
	Gross Unrealized Loss and Fair Value of Securities Available for Sale
	The following tables present the aggregate amount of unrealized losses as of December 31, 2013 and December 31, 2012 on securities in the Company’s investment portfolio classified according to the amount of time that those securities have been in a continuous loss position:
		At December 31, 2013
		Less than 12 months								12 months or longer							Total
		Fair Value				Unrealized				Fair Value				Unrealized			Fair Value			Unrealized
Losses						Losses								Losses
	(in thousands)
Corporate debt securities	$	743,041			$	(10,868	)		$	32,020			$	(1,567	)	$	775,061		$	(12,435	)
Asset-backed securities	803,685				(4,111		)		24,316				(239		)	828,001			(4,350		)
Equity securities	5,020				(188		)		4,797				(302		)	9,817			(490		)
State and municipal securities	710,456				(45,972		)		126,345				(16,390		)	836,801			(62,362		)
Mortgage-backed securities:
U.S. government agencies	1,648,691				(94,937		)		139,791				(8,952		)	1,788,482			(103,889		)
FHLMC and FNMA debt securities	2,271,301				(150,996		)		695,830				(56,396		)	2,967,131			(207,392		)
Total	$	6,182,194			$	(307,072	)		$	1,023,099			$	(83,846	)	$	7,205,293		$	(390,918	)
NOTE 3. INVESTMENT SECURITIES (continued)
	At December 31, 2012
	Less than 12 months								12 months or longer							Total
	Fair Value				Unrealized				Fair Value				Unrealized			Fair Value			Unrealized
					Losses								Losses						Losses
	(in thousands)
Corporate debt securities	$	354,844			$	(1,175	)		$	14,974			$	(11	)	$	369,818		$	(1,186	)
Asset-backed securities	374,142				(12,395		)		59,150				(346		)	433,292			(12,741		)
Equity securities	5,094				(5		)		—				—			5,094			(5		)
State and municipal securities	192,271				(2,904		)		—				—			192,271			(2,904		)
Mortgage-backed securities:
U.S. government agencies	925,367				(4,800		)		97,531				(542		)	1,022,898			(5,342		)
FHLMC and FNMA debt securities	2,224,013				(5,750		)		—				—			2,224,013			(5,750		)
Total	$	4,075,731			$	(27,029	)		$	171,655			$	(899	)	$	4,247,386		$	(27,928	)
Other-Than-Temporary Impairment
Management evaluates all investment products in an unrealized loss position for OTTI on at least a quarterly basis. Individual securities are further assessed for OTTI as deemed necessary. An unrealized loss exists when the current fair value of an individual security is less than its amortized cost basis. The OTTI assessment is a subjective process requiring the use of judgments and assumptions. During the securities-level assessments, consideration is given to (1) the intent not to sell and probability that the Company will not be required to sell the security before recovery of its cost basis to allow for any anticipated recovery in fair value, (2) the financial condition and near-term prospects of the issuer, as well as company news and current events, and (3) the ability to collect the future expected cash flows. Key assumptions utilized to forecast expected cash flows may include loss severity, expected cumulative loss percentage, cumulative loss percentage to date, weighted average FICO and weighted average loan-to-value ("LTV"), rating or scoring, credit ratings and market spreads, as applicable.
The Company assesses and recognizes OTTI in accordance with applicable accounting standards. Under these standards, if the Company determines that impairment on its debt securities exists and it has made the decision to sell the security or it is more likely than not that the Company will be required to sell the security prior to recovery of its amortized cost basis, it recognizes the entire portion of the unrealized loss in earnings. If the Company has not made a decision to sell the security and it does not expect that it will be required to sell the security prior to the recovery of the amortized cost basis but the Company has determined that OTTI exists, it recognizes the credit related portion of the decline in value of the security in earnings.
As a result of rising market interest rates, Management made the decision during the second quarter of 2013 to reposition its balance sheet. Consistent with this strategy, the Company designated certain available-for-sale investment securities with a book value of $2.5 billion to be sold, which were in an unrealized loss position due to changes in market rates and asset spreads. The intent to sell these securities resulted in the Company recording $63.6 million of OTTI in the Consolidated Statement of Operations during the second quarter of 2013. All of the securities designated for sale were sold in the third quarter of 2013, which at the time of sale had a book value of $2.3 billion. The Company incurred an additional loss on the sale of these securities during the third quarter of 2013 of $23.5 million. No additional OTTI was recorded in earnings during the years-ended December 31, 2013 or 2012.
Management has concluded that the remaining unrealized losses on its debt and equity securities for which it has not recognized OTTI (which was comprised of 301 individual securities at December 31, 2013) are temporary in nature since (1) they are not related to the underlying credit quality of the issuers, (2) the principal and interest on these securities are from investment grade issuers, (3) the Company does not intend to sell these investments and (4) it is more likely than not that the Company will not be required to sell the investments before recovery of the amortized cost basis, which may be at maturity. Accordingly, the Company has concluded that the impairment on these securities is not other-than-temporary.
NOTE 3. INVESTMENT SECURITIES (continued)
Rollforward of Cumulative OTTI Credit Losses Recognized in Earnings
For the years ended December 31, 2013 and 2012, the Company had no credit losses on investment securities. The following table displays changes in credit losses for those non-agency MBS recognized in earnings for the year ended December 31, 2011.
	Year Ended
	31-Dec-11
	(in thousands)
Cumulative credit loss recognized on non-agency securities at the beginning of the period	$	210,919
Cumulative reduction as of the beginning of the period for accretion into interest income for the expected increase in cash flow on certain non-agency securities	(9,631		)
Current period accretion into interest income for the expected increase in cash flow on certain non-agency securities	(8,375		)
Reductions for securities sold during the period	(193,238		)
Additional increases to credit losses for previously recognized other-than-temporary impairment charges when the entity does not intend to sell the security	325
Net cumulative credit loss recognized on non-agency securities as of the end of the period	—
Reductions for increases in cash flows expected to be collected and recognized over the remaining life of securities	—
Projected ending balance of the amount related to credit losses on debt securities at the end of the period for which a portion of an other-than-temporary impairment was recognized in other comprehensive income	$	—
Gains (Losses) on Proceeds from the Sales of Securities
Proceeds from sales of investment securities and the realized gross gains and losses from those sales are as follows:
		Year Ended December 31,
		2013				2012				2011
	(in thousands)
Proceeds from the sales of available-for-sale securities		$	8,050,028			$	4,256,661			$	6,892,337
Gross realized gains		115,540				101,983				178,364
Gross realized losses		(42,456		)		(1,092		)		(103,442		)
OTTI		(63,630		)		—				—
Net realized gains		$	9,454			$	100,891			$	74,922
The Company uses the specific identification method to determine the cost of the securities sold and the gain or loss recognized.
SHUSA recognized $9.5 million, 100.9 million and $74.9 million in 2013, 2012 and 2011, respectively, in gains on sale of investment securities as a result of overall balance sheet and interest rate risk management.
The net gain realized in 2013 primarily included the sale of collateralized mortgage obligations with a book value of $4.1 billion for a gain of $69.0 million and corporate debt securities with a book value of $905.7 million for a gain of $34.7 million, offset by the OTTI charge of $63.6 million, the sale of MBS with a book value of $2.3 billion for a loss of $24.2 million. The gain in 2012 was primarily comprised of the sale of $918.7 million of FHLMC and FNMA mortgage-backed debt securities for a gain of $40.0 million, and the sale of additional agency mortgage-backed debt securities for a gain of $28.1 million, municipal bond securities for a gain of $23.1 million, and asset-backed debt securities for a gain of $7.7 million. During 2011, the Company sold a portion of the non-agency MBS portfolio and recognized $103.3 million in unrealized losses.
NOTE 3. INVESTMENT SECURITIES (continued)
Nontaxable interest and dividend income earned on investment securities was $71.6 million, $67.0 million and $67.0 million for the years ended December 31, 2013, 2012 and 2011, respectively. Tax expenses related to net realized gains and losses from sales of investment securities for the years ended December 31, 2013, 2012 and 2011 were $3.8 million, $40.4 million and $29.4 million, respectively.
Other Investments
Other investments primarily include the Company's investment in the stock of FHLB of Pittsburgh and the FRB with carrying amounts of $0.8 billion and $1.0 billion as of December 31, 2013 and December 31, 2012, respectively. The stocks do not have readily determinable fair values because their ownership is restricted and they lack a market. The stocks can be sold back only at their par value of $100 per share and only to FHLBs or the FRB. Accordingly, these stocks are carried at cost. During the year ended December 31, 2013, the Company sold $308.8 million of FHLB stock at par. There was no gain or loss associated with these sales.
Other investments also includes an FHLB CD with a maturity date of September 2014 and carrying amounts of $19.9 million and $19.7 million as of December 31, 2013 and December 31, 2012, respectively. The Company has the positive intent and ability to hold these investments until maturity. Accordingly, the investments are classified as part of Other investments in the Company's Consolidated Balance Sheet.
The Company evaluates these investments for impairment based on the ultimate recoverability of the par value, rather than by recognizing temporary declines in value.

LOANS_AND_ALLOWANCE_FOR_CREDIT

LOANS AND ALLOWANCE FOR CREDIT LOSSES	12 Months Ended
	Dec. 31, 2013
Loans and Leases Receivable Disclosure [Abstract]	'
LOANS AND ALLOWANCE FOR CREDIT LOSSES	'
	LOANS AND ALLOWANCE FOR CREDIT LOSSES
	Overall
	The Company's loans are reported at their outstanding principal balances net of any unearned income, cumulative charge-offs, unamortized deferred fees and costs on originated loans and unamortized premiums or discounts on purchased loans. The Company maintains an allowance for loan and lease losses and a reserve for unfunded lending commitments (collectively, the "Allowance for Credit Losses") to provide for losses inherent in its portfolio. Certain loans are pledged as collateral for borrowings. These loans totaled $36.2 billion at December 31, 2013 and $40.1 billion at December 31, 2012, respectively.
	The Company engages in direct and leveraged lease financing, which totaled $1.0 billion at December 31, 2013 and $945.2 million at December 31, 2012. Direct financing leases are recorded as the aggregate of minimum lease payments receivable plus the estimated residual value of the leased property, less unearned income. Leveraged leases, a form of direct financing leases, are recorded net of related non-recourse debt. Leases are included within commercial and industrial loans.
	Loans that the Company has the intent to sell are classified as LHFS. The LHFS portfolio at December 31, 2013 and December 31, 2012 primarily consisted of fixed-rate residential mortgages. The balance at December 31, 2013 was $128.9 million, compared to $843.4 million at December 31, 2012. LHFS are reported at fair value. For discussion on the valuation of LHFS, see Note 17.
	Interest income on loans is accrued based on the contractual interest rate and the principal amount outstanding, except for those loans classified as non-accrual. At December 31, 2013 and December 31, 2012, accrued interest receivable on the Company's loans was $135.3 million and $130.0 million, respectively.
	During the year ended December 31, 2013, the Company purchased $539.3 million of performing commercial and industrial loans. During the year ended December 31, 2013, the Company also purchased and $660.1 million of performing multifamily loans.
	On January 31, 2014, the Company repurchased from FNMA $816.5 million of performing multifamily loans that had been
	previously sold with servicing retained.
	NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
	Loan and Lease Portfolio Composition
	The following table presents the composition of the gross loans held for investment portfolio by type of loan and by fixed and variable rates at the dates indicated:
		December 31, 2013							December 31, 2012
		Amount				Percent			Amount				Percent
		(dollars in thousands)
	Commercial loans held for investment:
	Commercial real estate loans	$	9,303,885			18.6	%		$	10,034,868			19.2	%
	Commercial and industrial loans	12,820,417				25.7	%		13,692,020				26.1	%
	Multi-family loans	8,237,029				16.5	%		7,572,555				14.4	%
	Other (2)	1,789,891				3.6	%		1,631,896				3.1	%
	Total commercial loans held for investment	32,151,222				64.4	%		32,931,339				62.8	%
	Consumer loans secured by real estate:
	Residential mortgages	9,561,187				19.2	%		10,400,967				19.8	%
	Home equity loans and lines of credit	6,311,694				12.6	%		6,638,466				12.7	%
	Total consumer loans secured by real estate	15,872,881				31.8	%		17,039,433				32.5	%
	Consumer loans not secured by real estate:
	Auto loans	81,804				0.2	%		295,398				0.6	%
	Other (3)	1,815,770				3.6	%		2,122,741				4.1	%
	Total consumer loans	17,770,455				35.6	%		19,457,572				37.2	%
	Total loans held for investment (1)	$	49,921,677			100	%		$	52,388,911			100	%
	Total loans held for investment:
	Fixed rate	$	23,431,663			46.9	%		$	24,056,174			45.9	%
	Variable rate	26,490,014				53.1	%		28,332,737				54.1	%
	Total loans held for investment (1)	$	49,921,677			100	%		$	52,388,911			100	%
	-1	Total loans held for investment includes deferred loan origination costs, net of deferred loan fees and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments. These items resulted in a net increase in loan balances of $122.6 million and $76.9 million as of December 31, 2013 and December 31, 2012, respectively.
	-2	Other commercial primarily includes commercial equipment vehicle funding leases and loans.
	-3	Other consumer primarily includes recreational vehicles and marine loans.
	NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
	Rollforward of Allowance for Credit Losses
	The following table presents the activity in the allowance for credit losses for the periods indicated:
		Year
		Ended December 31,
		2013				2012				2011
		(in thousands)
	Allowance for loan losses, beginning of period	$	1,013,469			$	1,083,492			$	2,197,450
	Allowance recorded as part of loans transferred from Santander	—				3,712				—
	Allowance change due to SCUSA Transaction	—				—				(1,208,474		)
	Charge-offs:
	Commercial	123,517				335,114				545,028
	Consumer secured by real estate	94,651				154,263				250,992
	Consumer not secured by real estate(2)	97,036				117,862				818,017
	Total charge-offs	315,204				607,239				1,614,037
	Recoveries:
	Commercial	53,132				47,940				42,059
	Consumer secured by real estate	14,148				8,935				8,419
	Consumer not secured by real estate(2)	31,942				37,344				293,988
	Total recoveries	99,222				94,219				344,466
	Charge-offs, net of recoveries	215,982				513,020				1,269,571
	Provision for loan losses (1)(2)	36,850				439,285				1,364,087
	Allowance for loan losses, end of period	$	834,337			$	1,013,469			$	1,083,492
	Reserve for unfunded lending commitments, beginning of period	$	210,000			$	256,485			$	300,621
	Addition to (Release of) provision for unfunded lending commitments (1)	10,000				(46,485		)		(44,136		)
	Reserve for unfunded lending commitments, end of period	$	220,000			$	210,000			$	256,485
Total allowance for credit losses, end of period	$	1,054,337			$	1,223,469			$	1,339,977
-1	The Company defines the Provision for credit losses in the Consolidated Statement of Operations as the sum of the total provision for loan losses and provision for unfunded lending commitments.
-2	On December 31, 2011, the Company deconsolidated SCUSA as a result of certain agreements with investors entered into during the fourth quarter of 2011. The activity for the years 2012 and 2013 does not include SCUSA activity.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
Non-Performing Assets
The following table presents the composition of non-performing assets at the dates indicated:
	At December 31,
	2013				2012
	(in thousands)
Non-accrual loans:
Commercial:
Commercial real estate	$	250,073			$	291,236
Commercial and industrial	100,894				122,111
Multi-family	21,371				58,587
Total commercial loans	372,338				471,934
Consumer:
Residential mortgages	473,566				511,382
Consumer loans secured by real estate	141,961				170,486
Consumer loans not secured by real estate	10,544				18,874
Total consumer loans	626,071				700,742
Total non-accrual loans	998,409				1,172,676
Other real estate owned	88,603				65,962
Other repossessed assets	3,073				3,301
Total other real estate owned and other repossessed assets	91,676				69,263
Total non-performing assets	$	1,090,085			$	1,241,939
Impaired Loans
Impaired loans are generally defined as all TDRs plus commercial non-accrual loans in excess of $1.0 million.
The following table summarizes impaired loans:
	AT DECEMBER 31,
	2013				2012
	(in thousands)
Impaired loans with a related allowance	$	916,055			$	1,029,392
Impaired loans without a related allowance	317,097				360,815
Total impaired loans	$	1,233,152			$	1,390,207
Allowance for loan losses reserved for impaired loans	$	225,796			$	267,054
Portfolio segments and classes of financing receivables
GAAP requires that entities disclose information about the credit quality of their financing receivables at disaggregated levels, specifically defined as “portfolio segments” and "classes of financing receivables" based on management’s systematic methodology for determining the allowance for credit losses. For this, compared to the financial statement categorization of loans, the Company utilizes an alternate categorization to model and calculate the allowance for credit losses and track the credit quality, delinquency and impairment status of the underlying commercial and consumer loan populations.
In disaggregating its financing receivables portfolio, the Company’s methodology begins with the commercial and consumer portfolio segments. The commercial portfolio segment is then disaggregated by line of business distinctions. “Corporate banking” includes the majority of commercial and industrial loans, as well as related owner-occupied real estate. “Middle market commercial real estate” represents the portfolio of specialized lending for investment real estate, including financing for continuing care retirement communities. “Santander real estate capital” is the real estate portfolio of the specialized lending group. “Remaining commercial” represents principally the commercial equipment and vehicle funding ("CEVF") business.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
The consumer portfolio segment is disaggregated by product structure with minor variations from the financial statement categories. “Home mortgages” is generally residential mortgages, while “Self-originated home equity” includes home equity loans and lines, with the exception of purchased home equity portfolios. “Indirect purchased” represents an acquired portfolio of marine and recreational vehicle contracts. Direct and indirect auto loans and purchased home equity portfolios make up the majority of balances in “Remaining consumer.” “Credit cards” includes all unsecured consumer credit cards.
The following table reconciles the Company's recorded investment classified by its major loan classifications to: (i) portfolio segments (commercial and consumer) and (ii) classes of financing receivables at December 31, 2013 and December 31, 2012:
		Commercial Portfolio Segment(2)
Major Loan Classifications(1)		Corporate Banking				Middle Market Commercial Real Estate				Santander Real Estate Capital				Remaining Commercial			Total
December 31, 2013
		(in thousands)
Commercial loans held for investment:
Commercial real estate		$	3,767,869			$	3,510,371			$	2,025,645			$	—		$	9,303,885
Commercial and industrial loans (3)		12,534,472				251,666				31,964				2,315			12,820,417
Multi-family loans		191,958				215,897				7,829,174				—			8,237,029
Other		661,571				—				—				1,128,320			1,789,891
Total commercial loans held for investment		$	17,155,870			$	3,977,934			$	9,886,783			$	1,130,635		$	32,151,222
-1	These represent the Company's loan categories based on the United States Securities and Exchange Commission's (the "SEC's") Regulation S-X Article 9.
-2	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC 310-10.
-3	Commercial and industrial loans exclude $17.9 million of LHFS.
		Consumer Portfolio Segment(2)
Major Loan Classifications(1)		Home Mortgages(3)				Self-originated home equity				Indirect Purchased				Credit Cards			Remaining Consumer			Total
December 31, 2013
		(in thousands)
Consumer loans secured by real estate:
Residential mortgages		$	9,561,063			$	124			$	—			$	—		$	—		$	9,561,187
Home equity loans and lines of credit		—				6,056,594				—				—			255,100			6,311,694
Total consumer loans secured by real estate		9,561,063				6,056,718				—				—			255,100			15,872,881
Consumer loans not secured by real estate:
Auto loans		—				—				—				—			81,804			81,804
Other		—				—				1,162,350				215,444			437,976			1,815,770
Total consumer loans held for investment		$	9,561,063			$	6,056,718			$	1,162,350			$	215,444		$	774,880		$	17,770,455
-1	These represent the Company's loan categories based on the SEC's Regulation S-X Article 9.
-2	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC310-10.
-3	Home mortgages exclude $111.0 million of LHFS.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
		Commercial Portfolio Segment(2)
Major Loan Classifications(1)		Corporate Banking				Middle Market Commercial Real Estate				Santander Real Estate Capital				Remaining Commercial			Total
December 31, 2012
		(in thousands)
Commercial loans held for investment:
Commercial real estate		$	4,133,449			$	3,520,808			$	2,380,611			$	—		$	10,034,868
Commercial and industrial loans		13,441,238				215,909				26,822				8,051			13,692,020
Multi-family loans		223,009				212,176				7,137,370				—			7,572,555
Other		615,225				—				—				1,016,671			1,631,896
Total commercial loans held for investment		$	18,412,921			$	3,948,893			$	9,544,803			$	1,024,722		$	32,931,339
-1	These represent the Company's loan categories based on the SEC's Regulation S-X Article 9.
-2	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC 310-10.
		Consumer Portfolio Segment(2)
Major Loan Classifications(1)		Home Mortgages(3)				Self-originated home equity				Indirect Purchased				Credit Cards			Remaining Consumer			Total
December 31, 2012
		(in thousands)
Consumer loans secured by real estate:
Residential mortgages		$	10,399,879			$	—			$	—			$	—		$	1,088		$	10,400,967
Home equity loans and lines of credit		—				6,333,426				—				—			305,040			6,638,466
Total consumer loans secured by real estate		10,399,879				6,333,426				—				—			306,128			17,039,433
Consumer loans not secured by real estate:
Auto loans		—				—				—				—			295,398			295,398
Other		—				—				1,473,278				214,542			434,921			2,122,741
Total consumer loans held for investment		$	10,399,879			$	6,333,426			$	1,473,278			$	214,542		$	1,036,447		$	19,457,572
-1	These represent the Company's loan categories based on the SEC's Regulation S-X Article 9.
-2	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC 310-10.
-3	Home mortgages exclude $843.4 million of LHFS.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
Allowance for Loan and Lease Losses Rollforward by Portfolio Segment
The activity in the allowance for loan losses by portfolio segment for the year ended December 31, 2013 and 2012 was as follows:
	Year Ended December 31, 2013
	Commercial				Consumer				Unallocated				Total
	(in thousands)
Allowance for loan losses, beginning of period	$	580,931			$	407,259			$	25,279			$	1,013,469
Provision/(recovery) for loan losses	(67,472		)		101,985				2,337				36,850
Charge-offs	(123,517		)		(191,687		)		—				(315,204		)
Recoveries	53,132				46,090				—				99,222
Charge-offs, net of recoveries	(70,385		)		(145,597		)		—				(215,982		)
Allowance for loan losses, end of period	$	443,074			$	363,647			$	27,616			$	834,337
Ending balance, individually evaluated for impairment	$	90,594			$	135,202			$	—			$	225,796
Ending balance, collectively evaluated for impairment	$	352,481			$	228,444			$	27,616			$	608,541
Financing receivables:
Ending balance	$	32,169,154			$	17,881,472			$	—			$	50,050,626
Ending balance, evaluated at fair value (1)	$	17,932			$	111,017			$	—			$	128,949
Ending balance, individually evaluated for impairment (2)	$	479,343			$	753,809			$	—			$	1,233,152
Ending balance, collectively evaluated for impairment	$	31,671,879			$	17,016,646			$	—			$	48,688,525
-1	Represents LHFS.
-2	Consumer loans individually evaluated for impairment consists of loans in TDR status.
	Year Ended December 31, 2012
	Commercial				Consumer				Unallocated				Total
	(in thousands)
Allowance for loan losses, beginning of period	$	766,865			$	292,816			$	23,811			$	1,083,492
Allowance released due to SCUSA Transaction	3,712				—				—				3,712
Provision for loan losses	97,528				340,289				1,468				439,285
Charge-offs	(335,114		)		(272,125		)		—				(607,239		)
Recoveries	47,940				46,279				—				94,219
Charge-offs, net of recoveries	(287,174		)		(225,846		)		—				(513,020		)
Allowance for loan losses, end of period	$	580,931			$	407,259			$	25,279			$	1,013,469
Ending balance, individually evaluated for impairment	$	112,784			$	154,270			$	—			$	267,054
Ending balance, collectively evaluated for impairment	$	468,147			$	252,989			$	25,279			$	746,415
Financing receivables:
Ending balance	$	32,931,339			$	20,301,014			$	—			$	53,232,353
Ending balance, evaluated at fair value (1)	$	—			$	843,442			$	—			$	843,442
Ending balance, individually evaluated for impairment (2)	$	633,822			$	756,385			$	—			$	1,390,207
Ending balance, collectively evaluated for impairment	$	32,297,517			$	18,701,187			$	—			$	50,998,704
-1	Represents LHFS.
-2	Consumer loans individually evaluated for impairment consists of loans in TDR status.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
	Year Ended December 31, 2011
	Commercial				Consumer				Unallocated				Total
	(in thousands)
Allowance for loan losses, beginning of period	$	905,786			$	1,275,982			$	15,682			$	2,197,450
Allowance released due to SCUSA transaction	—				(1,208,474		)		—				(1,208,474		)
Provision for loan losses	364,048				991,910				8,129				1,364,087
Charge-offs	(545,028		)		(1,069,009		)		—				(1,614,037		)
Recoveries	42,059				302,407				—				344,466
Charge-offs, net of recoveries	(502,969		)		(766,602		)		—				(1,269,571		)
Allowance for loan losses, end of period	$	766,865			$	292,816			$	23,811			$	1,083,492
Ending balance, individually evaluated for impairment	$	217,865			$	34,691			$	—			$	252,556
Ending balance, collectively evaluated for impairment	$	549,000			$	258,125			$	23,811			$	830,936
Financing receivables:
Ending balance	$	29,889,193			$	21,770,658			$	—			$	51,659,851
Ending balance, evaluated at fair value (1)	$	—			$	352,471			$	—			$	352,471
Ending balance, individually evaluated for impairment (2)	$	836,580			$	494,431			$	—			$	1,331,011
Ending balance, collectively evaluated for impairment	$	29,052,613			$	20,923,756			$	—			$	49,976,369
-1	Represents LHFS.
-2	Consumer loans individually evaluated for impairment consists of loans in TDR status.
Non-accrual loans by Class of Financing Receivable
The recorded investments in non-accrual loans disaggregated by class of financing receivables are summarized as follows:
	December 31, 2013				December 31, 2012
	(in thousands)
Non-accrual loans:
Commercial:
Corporate banking	$	193,407			$	213,922
Middle market commercial real estate	147,800				190,073
Santander real estate capital	27,756				65,809
Remaining commercial	3,375				2,130
Total commercial loans	372,338				471,934
Consumer:
Home mortgages	473,566				511,382
Self-originated home equity	108,275				122,985
Indirect purchased	3,474				5,698
Remaining consumer	40,756				60,677
Total consumer loans	626,071				700,742
Total non-accrual loans	$	998,409			$	1,172,676
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
Age Analysis of Past Due Loans
The age of recorded investments in past due loans and loans past due 90 days or more and still accruing disaggregated by class of financing receivables are summarized as follows as of December 31, 2013:
	30-59				60-89				Greater				Total			Current			Total			Recorded
	Days Past				Days Past				Than 90				Past Due						Financing			Investment
	Due				Due				Days										Receivables (1)			> 90 Days
																						and Accruing
	(in thousands)
Commercial:
Corporate banking	$	31,002			$	10,116			$	95,316			$	136,434		$	17,037,368		$	17,173,802		$	—
Middle market commercial real estate	5,980				13,897				83,859				103,736			3,874,198			3,977,934			—
Santander real estate capital	5,348				14,939				6,320				26,607			9,860,176			9,886,783			—
Remaining commercial	2,001				127				1,905				4,033			1,126,602			1,130,635			—
Consumer:
Home mortgages	186,270				86,563				379,076				651,909			9,020,171			9,672,080			—
Self-originated home equity	29,488				14,401				78,005				121,894			5,934,824			6,056,718			—
Indirect purchased	9,779				4,748				2,660				17,187			1,145,163			1,162,350			—
Credit cards	1,890				1,166				2,545				5,601			209,843			215,444			2,545
Remaining consumer	32,051				11,769				34,173				77,993			696,887			774,880			—
Total	$	303,809			$	157,726			$	683,859			$	1,145,394		$	48,905,232		$	50,050,626		$	2,545
-1	Financing receivables include LHFS.
Delinquencies disaggregated by class of financing receivables are summarized as follows as of December 31, 2012:
	30-59				60-89				Greater				Total			Current			Total			Recorded
	Days Past				Days Past				Than 90				Past Due						Financing			Investment
	Due				Due				Days (2)										Receivables (1)			> 90 Days
																						and
																						Accruing
	(in thousands)
Commercial:
Corporate banking	$	42,430			$	37,701			$	128,517			$	208,648		$	18,204,273		$	18,412,921		$	—
Middle market commercial real estate	21,111				31,939				41,550				94,600			3,854,293			3,948,893			—
Santander real estate capital	16,925				26,618				27,048				70,591			9,474,212			9,544,803			—
Remaining commercial	1,906				266				1,464				3,636			1,021,086			1,024,722			—
Consumer:
Home mortgages	208,875				99,361				398,450				706,686			10,536,635			11,243,321			—
Self-originated home equity	34,112				15,301				82,356				131,769			6,201,657			6,333,426			—
Indirect purchased	12,495				6,040				4,317				22,852			1,450,426			1,473,278			—
Credit cards	1,785				1,245				3,052				6,082			208,460			214,542			3,052
Remaining consumer	52,863				18,382				50,634				121,879			914,568			1,036,447			—
Total	$	392,502			$	236,853			$	737,388			$	1,366,743		$	51,865,610		$	53,232,353		$	3,052
-1	Financing receivables include LHFS.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
Impaired Loans by Class of Financing Receivable
Impaired loans disaggregated by class of financing receivables, excluding purchased impaired loans, are summarized as follows:
December 31, 2013		Recorded Investment (1)				Unpaid				Related				Average
						Principal				Specific				Recorded
						Balance				Reserves				Investment
		(in thousands)
With no related allowance recorded:
Commercial:
Corporate banking		$	54,637			$	76,139			$	—			$	60,949
Middle market commercial real estate		103,670				125,933				—				103,771
Santander real estate capital		24,919				24,919				—				24,519
Remaining commercial		2,309				2,308				—				5,162
Consumer:
Home mortgages		92,143				92,143				—				98,874
Self-originated home equity		31,074				31,074				—				35,512
Indirect purchased		818				2,279				—				1,111
Remaining consumer		7,527				15,141				—				9,058
With an allowance recorded:
Commercial:
Corporate banking		154,810				169,511				60,892				180,532
Middle market commercial real estate		120,387				184,672				26,130				137,183
Santander real estate capital		18,611				18,611				3,572				44,467
Remaining commercial		—				—				—				—
Consumer:
Home mortgages		547,329				603,866				124,746				538,648
Self-originated home equity		54,900				63,975				5,479				49,626
Credit cards		2,535				2,535				677				4,231
Remaining consumer		17,483				17,482				4,300				18,037
Total:
Commercial		$	479,343			$	602,093			$	90,594			$	556,583
Consumer		753,809				828,495				135,202				755,097
Total		$	1,233,152			$	1,430,588			$	225,796			$	1,311,680
-1	Recorded investment includes deferred loan fees, net of deferred origination costs and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.
The Company recognized interest income of $42.0 million on approximately $656.6 million of TDRs that were returned to performing status as of December 31, 2013.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
December 31, 2012		Recorded Investment (1)				Unpaid				Related				Average
						Principal				Specific				Recorded
						Balance				Reserves				Investment
		(in thousands)
With no related allowance recorded:
Commercial:
Corporate banking		$	67,261			$	89,023			$	—			$	54,950
Middle market commercial real estate		103,872				104,486				—				116,437
Santander real estate capital		24,118				24,118				—				23,921
Remaining commercial		8,017				8,017				—				12,537
Consumer:
Home mortgages		105,604				105,604				—				52,802
Self-originated home equity		39,950				39,950				—				39,136
Indirect purchased		1,404				3,231				—				702
Remaining consumer		10,589				14,588				—				14,763
With an allowance recorded:
Commercial:
Corporate banking		206,253				226,594				59,740				204,842
Middle market commercial real estate		153,978				231,960				37,393				227,824
Santander real estate capital		70,323				79,116				15,651				93,713
Remaining commercial		—				—				—				979
Consumer:
Home mortgages		529,966				584,571				138,629				512,199
Self-originated home equity		44,352				56,691				7,532				22,176
Credit cards		5,926				5,926				3,420				2,963
Remaining consumer		18,594				26,253				4,689				9,297
Total:
Commercial		$	633,822			$	763,314			$	112,784			$	735,203
Consumer		756,385				836,814				154,270				654,038
Total		$	1,390,207			$	1,600,128			$	267,054			$	1,389,241
-1	Recorded investment includes deferred loan fees, net of deferred origination costs and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.
The Company recognized interest income of $22.7 million on approximately $673.3 million of TDRs that were returned to performing status as of December 31, 2012.
Commercial Lending Asset Quality Indicators
Commercial credit quality disaggregated by class of financing receivables is summarized according to standard regulatory classifications as follows:
PASS. Asset is well-protected by the current net worth and paying capacity of the obligor or guarantors, if any, or by the fair value, less costs to acquire and sell, of any underlying collateral in a timely manner.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
SPECIAL MENTION. Asset has potential weaknesses that deserve management’s close attention, which, if left uncorrected, may result in deterioration of the repayment prospects for an asset at some future date. Special Mention assets are not adversely classified.
SUBSTANDARD. Asset is inadequately protected by the current net worth and paying capacity of the obligor or by the collateral pledged, if any. A well-defined weakness or weaknesses exist that jeopardize the liquidation of the debt. The loans are characterized by the distinct possibility that the Bank will sustain some loss if deficiencies are not corrected.
DOUBTFUL. Exhibits the inherent weaknesses of a substandard credit. Additional characteristics exist that make collection or liquidation in full highly questionable and improbable, on the basis of currently known facts, conditions and values. Possibility of loss is extremely high, but because of certain important and reasonable specific pending factors which may work to the advantage and strengthening of the credit, an estimated loss cannot yet be determined.
LOSS. Credit is considered uncollectible and of such little value that it does not warrant consideration as an active asset. There may be some recovery or salvage value, but there is doubt as to whether, how much or when the recovery would occur.
Commercial loan credit quality indicators by class of financing receivables are summarized as follows:
31-Dec-13		Corporate				Middle				Santander				Remaining			Total
		banking				market				real estate				commercial
						commercial				capital
						real estate
		(in thousands)
Regulatory Rating:
Pass		$	16,286,733			$	3,478,285			$	9,535,606			$	1,126,273		$	30,426,897
Special Mention		362,853				112,849				164,759				374			640,835
Substandard		475,601				317,425				180,417				3,988			977,431
Doubtful		48,615				69,375				6,001				—			123,991
Total commercial loans		$	17,173,802			$	3,977,934			$	9,886,783			$	1,130,635		$	32,169,154
December 31, 2012		Corporate				Middle				Santander				Remaining			Total
		banking				market				real estate				commercial
						commercial				capital
						real estate
		(in thousands)
Regulatory Rating:
Pass		$	17,376,125			$	2,876,574			$	8,981,161			$	1,001,611		$	30,235,471
Special Mention		429,425				561,734				326,795				13,981			1,331,935
Substandard		520,677				388,673				196,711				9,130			1,115,191
Doubtful		86,694				121,912				40,136				—			248,742
Total commercial loans		$	18,412,921			$	3,948,893			$	9,544,803			$	1,024,722		$	32,931,339
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
Consumer Lending Asset Quality Indicators - Class of Financing Receivables
Consumer loan credit quality indicator disaggregated by class of financing receivables is summarized as follows:
December 31, 2013		Home				Self-originated				Indirect				Credit			Remaining			Total(1)
		mortgages				home equity				purchased				cards			consumer
		(in thousands)
Performing		$	9,198,515			$	5,948,443			$	1,158,876			$	215,444		$	734,123		$	17,255,401
Non-performing		473,565				108,275				3,474				—			40,757			626,071
Total consumer loans		$	9,672,080			$	6,056,718			$	1,162,350			$	215,444		$	774,880		$	17,881,472
-1	Financing receivables include LHFS.
December 31, 2012		Home				Self-originated				Indirect				Credit			Remaining			Total(1)
		mortgages				home equity				purchased				cards			consumer
		(in thousands)
Performing		$	10,731,939			$	6,210,441			$	1,467,580			$	214,542		$	975,770		$	19,600,272
Non-performing		511,382				122,985				5,698				—			60,677			700,742
Total consumer loans		$	11,243,321			$	6,333,426			$	1,473,278			$	214,542		$	1,036,447		$	20,301,014
-1	Financing receivables include LHFS.
Consumer Lending Asset Quality Indicators-Credit Score
Remaining consumer and credit card financing receivables by credit score are summarized as follows:
December 31, 2013
Credit Score Range (1)		Remaining Consumer Balance				Percent			Credit Cards Balance				Percent
		(dollars in thousands)
<620		$	139,096			18	%		$	10,221			4.7	%
620-639		34,864				4.5	%		6,152				2.9	%
640-659		45,228				5.8	%		9,477				4.4	%
660-679		52,780				6.8	%		15,378				7.2	%
680-699		57,474				7.4	%		23,947				11.1	%
700-719		57,016				7.4	%		29,894				13.9	%
720-739		55,008				7.1	%		29,545				13.7	%
740-759		39,791				5.1	%		26,002				12.1	%
760-779		34,289				4.4	%		20,747				9.6	%
780-799		27,263				3.5	%		17,772				8.2	%
>€0		52,354				6.8	%		21,483				10	%
N/A(1)		179,717				23.2	%		4,826				2.2	%
Total		$	774,880			100	%		$	215,444			100	%
-1	Credit scores updated quarterly. Loans serviced by third parties do not receive refreshed FICO scores.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
December 31, 2012
Credit Score Range (1)		Remaining Consumer Balance				Percent			Credit Cards Balance				Percent
		(dollars in thousands)
<620		$	229,017			22.1	%		$	13,384			6.2	%
620-639		42,755				4.1	%		6,803				3.2	%
640-659		50,129				4.8	%		10,627				5	%
660-679		57,775				5.6	%		16,995				7.9	%
680-699		62,819				6.1	%		25,976				12.1	%
700-719		57,914				5.6	%		31,638				14.7	%
720-739		52,789				5.1	%		30,144				14.1	%
740-759		48,101				4.6	%		25,632				11.9	%
760-779		39,594				3.8	%		19,547				9.1	%
780-799		32,685				3.2	%		16,327				7.6	%
>€0		134,836				13	%		16,887				7.9	%
N/A(1)		228,033				22	%		582				0.3	%
Total		$	1,036,447			100	%		$	214,542			100	%
-1	Credit scores updated quarterly. Loans serviced by third parties do not receive refreshed FICO scores.
During the fourth quarter of 2013, the Company's process for estimating the allowance for loan losses associated with the Company's home equity portfolio was expanded to include consideration of the borrower's FICO scores. The home equity financing receivables by credit score are summarized below:
December 31, 2013
Credit Score Range		Home Equity Balance				Percent
		(dollars in thousands)
<600		$	336,713			5.6	%
600-639		281,186				4.6	%
640-679		524,937				8.7	%
680-719		869,460				14.4	%
720-759		1,223,179				20.2	%
>v0		2,775,970				45.8	%
N/A(1)		45,273				0.7	%
Total		$	6,056,718			100	%
(1) Loans serviced by third parties do not receive refreshed FICO scores.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
Consumer Lending Asset Quality Indicators-Combined Loan to Value Range
Home mortgage and self-originated home equity financing receivables by CLTV range are summarized as follows:
December 31, 2013		Home mortgages							Self-originated home equity
CLTV Range(1)		Balance				Percent			Balance				Percent
		(dollars in thousands)
<€%		$	7,124,926			73.7	%		$	4,061,541			67	%
80.01 - 90%		665,806				6.9	%		946,933				15.6	%
90.01 - 100%		647,079				6.7	%		357,817				5.9	%
100.01 - 120%		451,833				4.7	%		338,194				5.6	%
120.01 - 140%		188,201				1.8	%		125,099				2.1	%
>140%		199,016				2.1	%		108,664				1.8	%
N/A		395,219				4.1	%		118,470				2	%
Total(2)		$	9,672,080			100	%		$	6,056,718			100	%
December 31, 2012		Home mortgages							Self-originated home equity
CLTV Range(1)		Balance				Percent			Balance				Percent
		(dollars in thousands)
<€%		$	7,488,720			66.6	%		$	3,927,163			62	%
80.01 - 90%		904,376				8.1	%		1,000,224				15.8	%
90.01 - 100%		717,066				6.4	%		429,240				6.8	%
100.01 - 120%		575,915				5.1	%		476,165				7.5	%
120.01 - 140%		239,384				2.1	%		197,071				3.1	%
>140%		256,932				2.3	%		174,055				2.8	%
N/A		1,060,928				9.4	%		129,508				2	%
Total(2)		$	11,243,321			100	%		$	6,333,426			100	%
-1	CLTV is inclusive of senior lien balances and updated as considered necessary. CLTV ranges represent the unpaid principal balance except for the "N/A" range which represents the unpaid principal balance plus deferred loan origination costs, net of deferred loan fees and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.
-2	Financing receivables includes LHFS.
For both residential and home equity loans, loss severity assumptions are incorporated in the loan loss reserve models to estimate loan balances that will ultimately charge off. These assumptions are based on recent loss experience within various CLTV bands within these portfolios. CLTVs are refreshed quarterly by applying Federal Housing Finance Agency Home Price Index changes at a state-by-state level to the last known appraised value of the property to estimate the current CLTV. The Company's allowance for loan losses incorporates the refreshed CLTV information to update the distribution of defaulted loans by CLTV as well as the associated loss given default for each CLTV band. Reappraisals on a recurring basis at the individual property level are not considered cost-effective or necessary; however, reappraisals are performed on certain higher risk accounts to support line management activities, default servicing decisions, or when other situations arise in which the Company believes the additional expense is warranted.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
Troubled Debt Restructurings
The following table summarizes the Company’s performing and non-performing TDRs at the dates indicated:
	December 31, 2013				December 31, 2012
	(in thousands)
Performing	$	656,606			$	673,269
Non-performing	347,037				418,070
Total	$	1,003,643			$	1,091,339
Commercial Loan TDRs
All of the Company’s commercial loan modifications are based on the facts of the individual customer, including specific customers' complete relationship with the Company. Loan terms are modified to meet each borrower’s specific circumstances at a point in time. Modifications for commercial loan TDRs generally, although not always, result in bifurcation of the original loan into A and B notes. The A note is restructured to allow for upgraded risk rating and return to accrual status after a sustained period of payment performance has been achieved (typically six months for monthly payment schedules). The B note, if any, is structured as a deficiency note; the balance is charged off but the debt is usually not forgiven. As TDRs, they will be subject to analysis for specific reserves by either calculating the present value of expected future cash flows or, if collateral-dependent, calculating the fair value of the collateral less its estimated cost to sell. The TDR classification will remain on the loan until it is paid in full or liquidated.
Consumer Loan TDRs
The primary modification program for the Company’s home mortgage and self-originated home equity portfolios is a proprietary program designed to keep customers in their homes and, when appropriate, prevent them from entering into foreclosure. The program is available to all customers facing a financial hardship regardless of their delinquency status. The main goal of the modification program is to review the customer’s entire financial condition to ensure that the proposed modified payment solution is affordable according to a specific debt-to-income ratio (“DTI”) range. The main modification benefits of the program allow for term extensions, interest rate reductions, or deferment of principal. The Company reviews each customer on a case-by-case basis to determine which benefit or combination of benefits will be offered to achieve the target DTI range.
For the Company’s other consumer portfolios (indirect auto, indirect purchased, and remaining consumer) the terms of the modifications include one or a combination of the following: a reduction of the stated interest rate of the loan at a rate of interest lower than the current market rate for new debt with similar risk or an extension of the maturity date.
Consumer TDRs are generally placed on non-accrual status until the Company believes repayment under the revised terms is reasonably assured and a sustained period of repayment performance has been achieved (typically six months for a monthly amortizing loan). However, any loan that has remained current for the six months immediately prior to modification will remain on accrual status after the modification is enacted. The TDR classification will remain on the loan until it is paid in full or liquidated.
In addition to those identified as TDRs above, the guidance also requires loans discharged under Chapter 7 bankruptcy to be considered TDRs and collateral-dependent, regardless of delinquency status. Collateral-dependent loans must be written down to fair market value and classified as non-accrual/non-performing for the remaining life of the loan.
TDR Impact to Allowance for Loan Losses
The allowance for loan losses is established to recognize losses inherent in funded loans intended to be held for investment that are probable and can be reasonably estimated. Prior to a TDR, the Company generally measures its allowance under a loss contingency methodology in which consumer loans with similar risk characteristics are pooled and loss experience information is monitored for credit risk and deterioration with statistical tools considering factors such as delinquency, LTVs, and credit scores.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
Upon TDR modification, the Company generally measures impairment based on a present value of expected future cash flows methodology considering all available evidence using the effective interest rate or fair value of collateral. The amount of the required valuation allowance is equal to the difference between the loan’s impaired value and the recorded investment.
When a consumer TDR subsequently defaults, the Company generally measures impairment based on the fair value of the collateral, if applicable, less its estimated cost to sell.
Typically, commercial loans whose terms are modified in a TDR will have previously been identified as impaired prior to modification and accounted for generally using a present value of expected future cash flows methodology, unless the loan is considered collateral-dependent. Loans considered collateral-dependent are measured for impairment based on their fair values of collateral less its estimated cost to sell. Accordingly, upon TDR modification or if a TDR modification subsequently defaults, the allowance methodology remains unchanged.
The following tables detail the activity of TDRs for the years ended December 31, 2013 and 2012.
	Year Ended December 31, 2013
	Number of			Pre-Modification				Post-Modification
	Contracts			Outstanding Recorded				Outstanding Recorded
				Investment (1)				Investment (2)
	(dollars in thousands)
Commercial:
Corporate banking	1			$	7,796			$	18,767
Middle market commercial real estate	16			62,151				49,877
Santander real estate capital	2			4,040				3,540
Remaining Commercial	15			18,244				17,633
Consumer:
Home mortgages(3)	302			48,926				50,036
Self-originated home equity	151			12,075				12,089
Total	487			$	153,232			$	151,942
	Year Ended December 31, 2012
	Number of Contracts			Pre-Modification				Post-Modification
				Outstanding Recorded				Outstanding Recorded
				Investment (1)				Investment (2)
	(dollars in thousands)
Commercial:
Corporate banking	19			$	103,095			$	110,026
Middle market commercial real estate	19			141,480				127,952
Santander real estate capital	3			12,956				12,756
Consumer:
Home mortgages (3)	1,207			195,497				192,365
Self-originated home equity	1,430			83,414				64,754
Indirect purchased	335			7,085				3,078
Remaining consumer	2,614			9,500				3,169
Total	5,627			$	553,027			$	514,100
-1	Pre-modification outstanding recorded investment amount is the month-end balance prior to the month the modification occurred.
-2	Post-modification outstanding recorded investment amount is the month-end balance for the month that the modification occurred.
-3	The post-modification outstanding recorded investment amounts for home mortgages exclude interest reserves.
NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
A TDR is considered subsequently defaulted at 90 days past due after modification.
The following table details TDRs that were modified for during the past twelve-month period and have subsequently defaulted during the year ended December 31, 2013 and 2012.
	Year Ended December 31, 2013
	Number of			Recorded
	Contracts			Investment (1)(2)
	(dollars in thousands)
Consumer:
Home mortgages	16			$	3,416
Self-originated home equity	13			1,011
Total	29			$	4,427
-1	The recorded investment represents the period-end balance at December 31, 2013.
-2	Do not include Chapter 7 Bankruptcy TDRs.
	Year Ended December 31, 2012
	Number of			Recorded
	Contracts			Investment (1)(2)
	(dollars in thousands)
Consumer:
Home mortgages	23			$	3,430
Self-originated home equity	6			789
Remaining consumer	2			186
Total	31			$	4,405
-1	The recorded investment represents the period-end balance at December 31, 2012.
-2	Do not include Chapter 7 Bankruptcy TDRs.

PREMISES_AND_EQUIPMENT

PREMISES AND EQUIPMENT	12 Months Ended
	Dec. 31, 2013
Property, Plant and Equipment [Abstract]	'
PREMISES AND EQUIPMENT	'
	PREMISES AND EQUIPMENT
	A summary of premises and equipment, less accumulated depreciation, follows:
		AT DECEMBER 31,
		2013			2012
		(in thousands)
	Land	$	54,690		$	55,921
	Office buildings	206,551			196,505
	Furniture, fixtures, and equipment	167,350			126,979
	Leasehold improvements	345,754			321,335
	Computer software	625,069			520,908
	Automobiles and other	536			1,206
	Total premises and equipment	1,399,950			1,222,854
	Less accumulated depreciation	(584,155		)	(474,085		)
	Total premises and equipment, net	$	815,795		$	748,769
	Included in occupancy and equipment expense for 2013, 2012, and 2011 was depreciation expense of $154.8 million, $106.3 million, and $91.0 million, respectively.

EQUITY_METHOD_INVESTMENTS_VARI

EQUITY METHOD INVESTMENTS, VARIABLE INTEREST ENTITIES AND SECURITIZATIONS	12 Months Ended
	Dec. 31, 2013
Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract]	'
EQUITY METHOD INVESTMENTS, VARIABLE INTEREST ENTITIES AND SECURITIZATIONS	'
	EQUITY METHOD INVESTMENTS, VARIABLE INTEREST ENTITIES AND SECURITIZATIONS
	Equity Method Investments
	Investments in unconsolidated entities as of December 31, 2013 and 2012 include the following:
			Ownership		December 31,		December 31,
			Interest		2013		2012
					(in thousands)
	SCUSA		65	%	$	2,933,491	$	2,668,994
	Community reinvestment projects		2.0 – 99.9%		73,445		101,663
	Other		various		78,514		63,812
	Total				$	3,085,450	$	2,834,469
	Income/(expense) from equity method investments for the years ended December 31, 2013, 2012 and 2011 was $426.9 million, $428.6 million and $972.8 million, respectively.
	SCUSA is full-service, technology-driven consumer finance company focused on vehicle finance and unsecured consumer lending products. As of December 31, 2013, the Company owned approximately 65% of SCUSA and accounts for SCUSA as an equity method investment. As of December 31, 2013 and 2012, there were no indicators of impairment on this investment. The Company's Consolidated Statement of Operations for the year ended December 31, 2011 includes SCUSA's results of operations.
	On January 22, 2014, SCUSA's registration statement for an IPO of shares of its common stock (the “SCUSA Common Stock”), was declared effective by the SEC. The Company sold 13,895,243 shares of SCUSA Common Stock at a net price of $23.04 per share, which generated net proceeds to the Company of $320.1 million. Prior to the IPO, the Company owned approximately 65% of the shares of SCUSA Common Stock, and following the IPO, the Company owns approximately 61% of the shares of SCUSA Common Stock.
	On January 28, 2014, the IPO closed, and the Company entered into a shareholders agreement (the “Post-IPO Shareholders Agreement”). The Post-IPO Shareholders Agreement provides SHUSA and the other selling shareholders with certain board representation, governance and other rights with respect to their ownership interests in SCUSA. The Company and other selling shareholders also entered into a termination agreement, pursuant to which the prior shareholders agreement that was entered into on December 31, 2011 was terminated in accordance with its terms in connection with the IPO and the entry by such stockholders into the Post-IPO Shareholders Agreement.
	Prior to the closing of the IPO, the Company accounted for its investment in SCUSA under the equity method. Following the closing of the IPO, the Company will consolidate the financial results of SCUSA in the Company’s financial statements beginning with its filings for the three-month period ending March 31, 2014. The Company’s consolidation of SCUSA in the Company’s financial statements will be treated as an acquisition of SCUSA by the Company for financial reporting purposes.
	Community reinvestment projects are investments in partnerships that are involved in construction and development of low-income housing tax credits (“LIHTC”) and new market tax credits (“NMTC”). The Company has a significant interest in the partnerships, but does not have a controlling interest in the entities. See further discussion below.
	Other investments primarily consist of small investments in capital trusts, a commercial real estate finance company and other joint ventures in which the Company has an interest in the partnerships, but does not have a controlling interest. It also includes $21.0 million and $22.9 million of investments accounted for as cost method investments for as of December 31, 2013 and 2012, respectively.
	Currently, the Company considers its investment in SCUSA to be a significant equity investment. See Exhibit 99.1 for SCUSA’s standalone consolidated financial statements.
	SCUSA declared and paid a total of $290.4 million in dividends in 2013, compared to $735.0 million in 2012. The Company received $188.7 million of this amount in 2013, compared to $477.5 million in 2012. There were no distributions from SCUSA as an equity method investment in 2011.
	NOTE 6. EQUITY METHOD INVESTMENTS, VARIABLE INTEREST ENTITIES AND SECURITIZATIONS (continued)
	Refer to Note 20 to the Consolidated Financial Statements for additional information regarding transactions with SCUSA.
	Variable Interest Entities
	The Company, in the normal course of business, engages in a variety of activities that involve VIEs which are legal entities that lack sufficient equity to finance their activities, or the equity investors of the entities as a group lack any of the characteristics of a controlling interest. The primary beneficiary of a VIE is generally the enterprise that has both the power to direct the activities most significant to the economic performance of the VIE and the obligation to absorb losses or receive benefits that could potentially be significant to the VIE. The Company evaluates its interest in certain entities to determine if these entities meet the definition of a VIE and whether the Company is the primary beneficiary and should consolidate the entity based on the variable interests it held both at inception and when there is a change in circumstances that requires a reconsideration. If the Company is determined to be the primary beneficiary of a VIE, it must account for the VIE as a consolidated subsidiary. If the Company is determined not to be the primary beneficiary of a VIE but holds a variable interest in the entity, such variable interests are accounted for under the equity method of accounting or other accounting standards as appropriate.
	The Company does not have any involvement with VIEs for which it is considered the primary beneficiary. The following tables provide a summary of the community reinvestment projects' maximum exposure to losses, associated with its interests related to unconsolidated VIEs for which the Company holds an interest, but is not the primary beneficiary, in the VIE at December 31, 2013 and 2012:
		31-Dec-13							December 31, 2012
		Maximum Exposure							Maximum Exposure
		Investment in Equity(1)			Commitments		Total		Investment in Equity(1)		Commitments		Total
		(in thousands)
	Low income housing partnerships	$	34,374		$	141	$	34,515	$	57,929	$	—	$	57,929
	New market partnerships	39,071			—		39,071		43,734		154		43,888
	Total	$	73,445		$	141	$	73,586	$	101,663	$	154	$	101,817
	(1) Amount represents the carrying value of the VIE's assets and liabilities on the Company's Consolidated Financial Statements which are classified within Equity method investments on the Consolidated Balance Sheet. This amount equals the carrying amount of the VIE's assets at each respective date.
	The Company makes certain equity investments in various limited partnerships which are considered VIEs that invest in and lend to affordable housing designated real estate properties which qualify for federal tax credits under the LIHTC and NMTC programs. The Company acts only in a limited partner capacity in connection with these partnerships, so the Company has determined that it is not the primary beneficiary of these partnerships because it does not have the power to direct the activities of the partnership that most significantly impact the partnership's economic performance.
	On October 22, 2013, the Company agreed to acquire, through an investment in GTS El Centro Equity Holdings, LLC (“El Centro”), a significant but not controlling interest in a solar electric energy generating facility. As of December 31, 2013, the Company invested $33.7 million in El Centro and accounted for its investment as an equity method investment.
	The Company's risk of loss is limited to its investment in these partnerships, which totaled $73.4 million and $101.7 million at December 31, 2013 and 2012, respectively. The Company does not provide financial or other support to the partnerships that is not contractually required.
	The aggregate amount of the assets and liabilities held by the VIEs was approximately $754.7 million and $380.1 million, respectively, at December 31, 2012. Aggregate assets and aggregate liabilities are based on limited financial information available associated with certain of the partnerships. December 31, 2013 information is currently not available; however, management is not aware of any significant changes occurring in 2013.
	NOTE 6. EQUITY METHOD INVESTMENTS, VARIABLE INTEREST ENTITIES AND SECURITIZATIONS (continued)
	Asset Securitizations
	As part of previously reported mergers and transactions initiated by the Company, the Company has several home equity loan securitizations ("Securitizations"). The Securitization vehicles are considered VIEs because the holders of the equity investment at risk, including the Company, do not have any obligation to absorb credit losses on the loans within the Securitization vehicles. As of December 31, 2013 and 2012, the Company had $5.5 million and $4.7 million, respectively, of receivables related to advances made by the Company on behalf of the Securitization vehicles. The Company does not hold any other assets or liabilities related to the Securitizations. The total principal amount of securitized home equity loans was $41.5 million and $48.1 million as of December 31, 2013 and 2012, respectively. As of December 31, 2013, the portion of principal 90 days past due (including foreclosures, real estate owned properties ("REO") and bankruptcies) was $15.3 million, and for year ended December 31, 2013, net credit losses were $0.3 million. As of December 31, 2012, the portion of principal 90 days past due (including foreclosures, REO, and bankruptcies) was $14.7 million, and for the year ended December 31, 2012 net credit losses were $1.1 million.

GOODWILL

GOODWILL	12 Months Ended
	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]	'
GOODWILL	'
	GOODWILL
	The Company conducts its evaluation of goodwill impairment annually, and more frequently if events or circumstances indicate that there may be impairment.
	During the fourth quarter of 2013, the Company changed its annual goodwill impairment testing date from December 31 to October 1. The Company believes it is preferable to perform the annual goodwill impairment test as of this date because it provides the Company with additional time to complete the annual impairment test in advance of its year-end reporting and it more closely aligns with the timing of the Company’s strategic planning cycle. This change was applied prospectively on October 1, 2013. Retrospective application to prior periods was impracticable as the Company is unable to determine, without the use of hindsight, the assumptions that would have been used in earlier periods. This change did not result in any delay, acceleration, or avoidance of impairment.
	As of October 1, 2013, the Company determined that no goodwill impairment existed. The Company expects to perform its next annual goodwill impairment test at October 1, 2014. There were no events or circumstances during the fourth quarter which would trigger an impairment.
	The Company evaluates goodwill for impairment at the reporting unit level.
	As more fully described in Note 22, during the first and fourth quarter of 2013, the Company reorganized its management reporting structure in order to better align management teams and resources with the business goals of the Company and to provide enhanced customer service to its clients. Consequently, segment reporting and goodwill reporting units were updated to reflect this change. In connection with the reorganization, management reallocated its goodwill to its reporting units using a relative fair value allocation approach in accordance with applicable accounting guidance. This reorganization was considered during the 2013 annual goodwill impairment test.
	The fair value of the reporting units is determined by using discounted cash flow and market comparability methodologies. Goodwill, as of the acquisition date, is assigned to reporting units, which are operating segments or one level below an operating segment, in which the business being acquired is recorded. As reporting units evolve with changes in business strategy, goodwill is reallocated and no longer retains its association with a particular acquisition. All of the revenue streams and related activities of a reporting unit, whether acquired or organic, are available to support the value of the goodwill. As of December 31, 2013, the reporting units with assigned goodwill were Retail Banking, Auto Finance & Alliances, Investment Services, Real Estate & Commercial Banking, Specialty & Government Banking and GBM & Large Corporate.
	NOTE 7. GOODWILL (continued)
	The following table presents activity in the Company's goodwill by its reporting units for the year ended December 31, 2013:
		Retail Banking			Auto Finance & Alliances		Investment Services		Real Estate & Commercial Banking			Specialty & Government Finance		GBM & Large Corporate		Total
		(in thousands)
	Goodwill at December 31, 2012	$	2,259,179		$	—	$	—	$	1,172,302		$	—	$	—	$	3,431,481
	Reallocation, March 31, 2013	(364,876		)	—		—		233,746			—		131,130		$	—
	Goodwill at March 31, 2013	1,894,303			—		—		1,406,048			—		131,130		$	3,431,481
	Reallocation, October 1, 2013	(198,217		)	71,522		126,695		(242,894		)	242,894		—		$	—
	Goodwill at December 31, 2013	$	1,696,086		$	71,522	$	126,695	$	1,163,154		$	242,894	$	131,130	$	3,431,481
	There was no goodwill assigned to the Non-Strategic Assets or SCUSA reporting units at December 31, 2013 or 2012.
	There were no additions or impairments to goodwill in 2013 or 2012. The Company does not have any other indefinite-lived intangible assets.

OTHER_ASSETS

OTHER ASSETS	12 Months Ended
	Dec. 31, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]	'
OTHER ASSETS	'
	OTHER ASSETS
	The following is a detail of items that comprise Other assets at December 31, 2013 and 2012:
			AT DECEMBER 31,
			2013			2012
			(in thousands)
	OREO		$	88,603		$	65,962
	Other repossessed assets		3,073			3,301
	Prepaid expenses		141,593			239,732
	Miscellaneous receivables		546,363			638,172
	Derivative assets at fair value		222,491			379,128
	MSRs, at fair value		141,787			92,512
	Core deposit intangibles and other intangibles, net		34,614			61,949
	Miscellaneous assets		30,584			34,743
	Total other assets		$	1,209,108		$	1,515,499
	NOTE 8. OTHER ASSETS (continued)
	Mortgage Servicing Rights
	Residential real estate
	At December 31, 2013, 2012 and 2011, the Company serviced residential real estate loans for others totaling $14.5 billion, $13.6 billion, and $13.7 billion, respectively, which gave rise to an MSR asset. The Company elected on January 1, 2012 to account for residential MSRs using the fair value option, and accordingly eliminated the valuation allowance at that time. Subsequent changes in fair value are recorded through the Consolidated Statement of Operations. The fair value of the MSRs at December 31, 2013 and 2012 was $141.8 million and $92.5 million, respectively. See further discussion on the valuation of the MSRs in Note 17. As deemed appropriate, the Company economically hedges MSRs using interest rate swaps and forward contracts to purchase MBS. See further discussion on these derivative activities in Note 13.
	For the years ended December 31, 2013 and 2012, the Company recorded net changes in the fair value of MSRs totaling $36.5 million and $(5.7) million, respectively. The MSR asset fair value increase during 2013 was the result of a decrease in anticipated loan prepayment rates ("CPRs") and a reduction in mortgage refinancing due to interest rate increases. For the year ended December 31, 2011, the Company recorded an impairment of $42.5 million on the MSRs, resulting primarily from changes in CPRs which were due to changes in residential mortgage rates at the time.
	The following table presents a summary of activity for the Company’s residential MSRs:
		Year Ended December 31,
		2013			2012			2011
		(in thousands)
	Gross carrying value at beginning of period	$	92,512		$	161,291		$	173,549
	Write-off of reserves	—			(70,040		)	—
	Mortgage servicing assets recognized	35,805			43,543			27,230
	Principal reductions	(23,009		)	(36,568		)	—
	Change in fair value due to valuation assumptions	36,479			(5,714		)	—
	Amortization and permanent impairment	—			—			(39,488		)
	Gross carrying value at end of period	141,787			92,512			161,291
	Valuation allowance	—			—			(70,040		)
	Carrying value at end of period	$	141,787		$	92,512		$	91,251
	Multi-family
	Historically, the Company originated and sold multi-family loans in the secondary market to FNMA while retaining servicing. The Company has not sold multi-family loans to FNMA since 2009. At December 31, 2013, 2012 and 2011, the Company serviced $4.3 billion, $7.5 billion, and $9.3 billion of loans for FNMA, respectively. The servicing asset related to these portfolios was fully amortized during 2012. The Company recorded servicing asset amortization related to multi-family loans sold to FNMA of $0.5 million and $4.3 million for the years ended December 31, 2012 and 2011, respectively. The Company recorded multi-family servicing recoveries of $0.1 million and $4.8 million for the years ended December 31, 2012 and 2011, respectively. In July 2013, the Company repurchased from FNMA $660.1 million of performing multi-family loans that had been previously sold with servicing retained. See further discussion on the recourse reserve in Note 18.
	Fee income and gain/loss on sale of mortgage loans
	Included in mortgage banking revenue on the Consolidated Statement of Operations were mortgage servicing fee income of $45.4 million, $51.3 million, and $51.2 million and gains on the sale of mortgage loans of $54.4 million, $48.3 million, and $21.0 million for the years ended December 31, 2013, 2012 and 2011, respectively.

DEPOSITS

DEPOSITS	12 Months Ended
	Dec. 31, 2013
Banking and Thrift [Abstract]	'
DEPOSITS	'
	DEPOSITS
	Deposits are summarized as follows:
		AT DECEMBER 31,
		2013						2012
		Balance			Percent of total deposits			Balance			Percent of total deposits
		(in thousands)
	Interest-bearing demand deposits	$	10,423,610		21.1	%		$	9,358,233		18.4	%
	Non-interest-bearing demand deposits	8,022,529			16.2	%		8,224,005			16.2	%
	Savings	3,885,724			7.8	%		3,800,469			7.5	%
	Money market	19,050,473			38.5	%		16,738,442			33	%
	Certificates of deposit	8,139,070			16.4	%		12,668,889			24.9	%
	Total Deposits (1)	$	49,521,406		100	%		$	50,790,038		100	%
	(1)	Includes foreign deposits of $516.1 million and $523.2 million at December 31, 2013 and 2012, respectively.
	Interest expense on deposits is summarized as follows:
			YEAR ENDED DECEMBER 31,
			2013			2012			2011
			(in thousands)
	Interest-bearing demand deposits		$	15,281		$	14,699		$	19,217
	Savings		5,377			5,778			4,503
	Money market		78,198			83,603			99,184
	Certificates of deposit		112,664			133,939			125,807
	Total Deposits		$	211,520		$	238,019		$	248,711
	The following table sets forth the maturity of the Company’s CDs of $100,000 or more at December 31, 2013 as scheduled to mature contractually:
		(in thousands)
	Three months or less	$	643,448
	Over three through six months	611,655
	Over six through twelve months	719,745
	Over twelve months	812,784
	Total	$	2,787,632
	NOTE 9. DEPOSITS (continued)
	The following table sets forth the maturity of all of the Company’s CDs at December 31, 2013 as scheduled to mature contractually:
		(in thousands)
	2014	$	6,148,217
	2015	572,893
	2016	1,281,456
	2017	82,897
	2018	50,343
	Thereafter	3,264
	Total	$	8,139,070
	Deposits collateralized by investment securities, loans, and other financial instruments totaled $2.6 billion and $2.0 billion at December 31, 2013 and 2012, respectively.
	Demand deposit overdrafts that have been reclassified as loan balances were $66.5 million and $38.2 million at December 31, 2013 and 2012, respectively.

BORROWINGS_AND_OTHER_DEBT_OBLI

BORROWINGS AND OTHER DEBT OBLIGATIONS	12 Months Ended
	Dec. 31, 2013
Debt Disclosure [Abstract]	'
BORROWINGS AND OTHER DEBT OBLIGATIONS	'
	BORROWINGS AND OTHER DEBT OBLIGATIONS
	Total borrowings and other debt obligations at December 31, 2013 were $12.4 billion, compared to $19.3 billion at December 31, 2012. The Company's debt agreements impose certain limitations on dividends and other payments and transactions. The Company is currently in compliance with these limitations.
	Periodically, as part of the Company's wholesale funding management, the Company opportunistically repurchases outstanding borrowings in the open market. In 2013, the Company repurchased $481.3 million of outstanding borrowings in the open market, compared to $523.6 million in 2012.
	NOTE 10. BORROWINGS AND OTHER DEBT OBLIGATIONS (continued)
	The following table presents information regarding the Bank's borrowings and other debt obligations at the dates indicated:
			December 31, 2013				December 31, 2012
			Balance		Effective		Balance		Effective
					Rate				Rate
			(in thousands)
	Bank borrowings and other debt obligations:
	Overnight federal funds purchased(1)		$	—	—	%	$	340,000	0.17	%
	Securities sold under repurchase agreements(1)(2)		—		—		2,107,986		0.48
	5.125% subordinated debentures, due March 2013(3)		—		—		254,647		5.14
	8.750% subordinated debentures, due May 2018(3)		497,427		8.91		496,971		8.8
	FHLB advances, maturing through August 2018(4)		8,952,012		3.36		13,189,396		2.55
	Subordinated term loan, due February 2019(5)		150,273		6.06		156,350		6.39
	REIT preferred, due May 2020(6)		151,918		13.83		150,434		13.95
	Subordinated term loan, due August 2022(7)		35,491		7.78		—		—
	Total Bank borrowings and other debt obligations		$	9,787,121	3.87	%	$	16,695,784	2.59	%
	-1	Overnight federal funds and securities sold under repurchase agreements are short-term in nature and due within one year.
	-2	Included in borrowings and other debt obligations are sales of securities under repurchase agreements. Repurchase agreements are treated as financings with the obligations to repurchase securities sold reflected as a liability on the balance sheet. The dollar amount of securities underlying the agreements remains recorded as an asset, although the securities underlying the agreements are delivered to the brokers who arranged the transactions. In certain instances, the broker may have sold, loaned, or disposed of the securities to other parties in the normal course of their operations, and have agreed to deliver to the Bank substantially similar securities at the maturity of the agreements. The broker/dealers who participate with the Bank in these agreements are primarily broker/dealers reporting to the FRB of New York.
	-3	The Bank has issued various subordinated notes. These debentures are non-callable fixed-rate notes that are due between March 2013 and May 2018. These notes are not subject to redemption prior to their maturity dates except in the case of the insolvency or liquidation of the Bank.
	-4	In January 2013, the Bank terminated $40.0 million of FHLB callable advances, and incurred costs of $0.2 million through loss on debt extinguishment. During the third quarter of 2013, the Bank terminated $2.0 billion of FHLB callable advances. No costs were incurred as a result of this termination. In January 2012, the Bank terminated $500.0 million of FHLB callable advances. As a consequence, the Bank incurred costs of $5.2 million through loss on debt extinguishment. During the fourth quarter of 2012, the Bank terminated $290.0 million of FHLB callable advances. As a consequence, the Company incurred costs of $36.2 million through loss on debt extinguishment. FHLB advances include the offsetting effect of the value of terminated fair value hedges.
	-5	On June 1, 2012, a subsidiary of the Bank executed a financing agreement with third-party lenders for a $160 million seven-year term loan due February 2, 2019 (the “Term Loan”). The subsidiary used the proceeds at closing to repay the outstanding balance under, and concurrently terminate, its existing $154.9 million loan with Santander. At closing, the existing debt had unamortized debt issuance costs which were recognized as a loss on debt extinguishment in the second quarter of 2012. Total fees and costs incurred related to the assumption of the Term Loan were $5.7 million, which are being deferred and capitalized.
	-6	On August 21, 2000, the Bank received approximately $140 million of net proceeds from the issuance of $161.8 million of 12% Series A Noncumulative Preferred Interests in Sovereign Real Estate Investment Trust (“SREIT”), a subsidiary of the Bank, that holds primarily residential real estate loans. The preferred stock was issued at a discount, and is being amortized over the life of the preferred shares using the effective yield method. The preferred shares may be redeemed at any time on or after May 16, 2020 at the option of the Bank subject to the approval of the OCC. Under certain circumstances, the preferred shares are automatically exchangeable into preferred stock of the Bank. The offering was made exclusively to institutional investors. The proceeds of this offering were principally used to repay corporate debt.
	-7	In August 2013, a subsidiary of the Bank entered into a financing agreement with third party lenders for a $36.0 million 9-year term loan due August 15, 2022. The total fees and costs incurred related to the term loan were $3.3 million, which are being deferred and capitalized.
	NOTE 10. BORROWINGS AND OTHER DEBT OBLIGATIONS (continued)
	The following table presents information regarding SHUSA's borrowings and other debt obligations at the dates indicated:
			December 31, 2013				December 31, 2012
			Balance		Effective		Balance		Effective
					Rate				Rate
			(in thousands)
	SHUSA borrowings and other debt obligations:
	3.00% senior notes, due September 2015(1)		$	598,965	3.28	%	$	597,575	3.28	%
	4.625% senior notes, due April 2016(2)		474,306		4.85		474,430		4.85
	3.45% senior notes, due August 2018(3)		499,148		3.62		—		—
	Subordinated notes, due March 2020(4)		756,829		5.96		754,895		5.96
	Junior subordinated debentures – Capital Trust IV, due March 2034(5)		611		12.84		476,603		12.84
	Common securities - Capital Trust IV		24,742		4.38		24,742		4.38
	Junior subordinated debentures – Capital Trust VI, due June 2036(5)(6)		70,262		7.91		75,537		7.91
	Common securities - Capital Trust VI		10,000		7.91		10,000		7.91
	Junior subordinated debentures – Capital Trust IX, due July 2036(5)		150,000		2.04		150,000		2.09
	Common securities - Capital Trust IX		4,640		2.04		4,640		2.09
	Total holding company borrowings and other debt obligations		$	2,589,503	4.5	%	$	2,568,422	6.23	%
	-1	On September 24, 2012, SHUSA issued $600.0 million of 3.00% senior notes which mature on September 24, 2015. Deferred issuance costs totaled $3.0 million.
	(2) During April 2011, the Company issued $500.0 million in 5-year fixed-rate senior unsecured notes at a rate of 4.625%, which mature on April 19, 2016.
	-3	In August 2013, SHUSA issued debt securities in the amount of $500.0 million, due August 2018. The total fees and costs incurred related to this issuance were $3.1 million, which are being deferred and capitalized.
	(4) In March 2010, the Company issued a $750 million subordinated note to Santander, which matures in March 2020. This subordinated note bears interest at 5.75% until March 2015 and then bears interest at 6.25% until maturity. These notes were subsequently converted to common stock in February 2014. See further discussion in Note 11 to the Consolidated Financial Statements.
	-5	The total balance of junior subordinated debentures due to Capital Trust entities at December 31, 2013 was $260.3 million. Included in this balance is the remaining amount outstanding of Trust Preferred Income Equity Redeemable Securities ("Trust PIERS"). In December 2013, SHUSA executed a cash tender of its Sovereign Capital Trust IV 4.375% Trust PIERS in the aggregate liquidation amount of $475.8 million. The Company incurred a loss of $6.1 million on this transaction.
	-6	As part of the Company's liability cost management, it executed a fixed-priced cash tender offer of its Sovereign Capital Trust VI 7.908% Capital Securities. Securities with an aggregate liquidation amount totaling $164 million were validly tendered during October 2012 at a price of $1,050 per $1,000 liquidation amount. As a result, the Company incurred costs of $10.1 million, which were recognized as a loss on debt extinguishment in 2012.
	The following table sets forth the maturities of the Company’s consolidated borrowings and debt obligations (including the impact of expected cash flows on interest rate swaps) at December 31, 2013:
		(in thousands)
	2014	$	3,205,349
	2015	3,449,829
	2016	1,972,133
	2017	499,276
	2018	1,895,271
	Thereafter	1,354,766
	Total	$	12,376,624

STOCKHOLDERS_EQUITY

STOCKHOLDER'S EQUITY	12 Months Ended
	Dec. 31, 2013
Equity [Abstract]	'
STOCKHOLDERS' EQUITY	'
	STOCKHOLDER'S EQUITY
	On May 15, 2006, the Company issued 8,000 shares of Series C non-cumulative perpetual Preferred stock. The perpetual Preferred stock ranks senior to the common stock. The perpetual preferred stockholders are entitled to receive dividends when and if declared by the Board of Directors at the rate of 7.30% per annum, payable quarterly, before the Board may declare or pay any dividend on the Company's common stock. The dividends on the perpetual Preferred stock are non-cumulative. The Series C Preferred stock is redeemable at par.
	The Company’s debt agreements impose certain limitations on dividends, other payments and transactions. The Company is currently in compliance with these limitations.
	In February 2014, the Company issued 10 million shares of common stock to Santander in exchange for cash in the amount of $1.75 billion and the cancellation by Santander of indebtedness between the Company and Santander in the principal amount $750 million. Following the issuance, the Company has 530,307,043 shares of common stock outstanding.

ACCUMULATED_OTHER_COMPREHENSIV

ACCUMULATED OTHER COMPREHENSIVE INCOME / (LOSS)	12 Months Ended
	Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]	'
ACCUMULATED OTHER COMPREHENSIVE INCOME / (LOSS)	'
	ACCUMULATED OTHER COMPREHENSIVE INCOME / (LOSS)
	The following table presents the components of accumulated other comprehensive income/(loss), net of related tax, for the years ended 2013, 2012 and 2011.
		Total Other									Total Accumulated
		Comprehensive Income									Other Comprehensive Income/(Loss)
		For the Year									December 31, 2012						December 31, 2013
		Ended December 31, 2013
		Pretax			Tax			Net Activity			Beginning			Net			Ending
		Activity			Effect						Balance			Activity			Balance
		(in thousands)
	Change in accumulated gains/(losses) on cash flow hedge derivative financial instruments	$	2,041		$	(655	)	$	1,386
	Reclassification adjustment for net losses on cash flow hedge derivative financial instruments (1)	65,145			(26,780		)	38,365
	Net unrealized gains/(losses) on cash flow hedge derivative financial instruments	67,186			(27,435		)	39,751			$	(79,174	)	$	39,751		$	(39,423	)
	Change in unrealized gains/(losses) on investment securities available-for-sale	(584,681		)	230,787			(353,894		)
	Reclassification adjustment for net losses included in net income on non-OTTI securities (2)	(73,084		)	28,848			(44,236		)
	Reclassification adjustment for net gains included in net income on OTTI securities(3)	63,630			(25,116		)	38,514
	Total reclassification adjustment for net (losses)/gains included in net income	(9,454		)	3,732			(5,722		)
	Net unrealized (losses)/gains on investment securities available-for-sale	(594,135		)	234,519			(359,616		)	160,224			(359,616		)	(199,392		)
	Pension and post-retirement actuarial gain/(loss)(4)	18,566			(7,403		)	11,163			(26,716		)	11,163			(15,553		)
	As of December 31, 2013	$	(508,383	)	$	199,681		$	(308,702	)	$	54,334		$	(308,702	)	$	(254,368	)
	NOTE 12. ACCUMULATED OTHER COMPREHENSIVE INCOME / (LOSS) (continued)
		Total Other									Total Accumulated
		Comprehensive Income									Other Comprehensive Income/(Loss)
		For the Year									December 31, 2011						December 31, 2012
		Ended December 31, 2012
		Pretax			Tax			Net Activity			Beginning			Net			Ending
		Activity			Effect						Balance			Activity			Balance
		(in thousands)
	Change in accumulated gains/(losses) on cash flow hedge derivative financial instruments	$	(40,085	)	$	15,955		$	(24,130	)
	Reclassification adjustment for net losses on cash flow hedge derivative financial instruments(1)	87,965			(35,013		)	52,952
	Net unrealized gains/(losses) on cash flow hedge derivative financial instruments	47,880			(19,058		)	28,822			$	(107,996	)	$	28,822		$	(79,174	)
	Change in unrealized gains/(losses) on investment securities available-for-sale	217,556			(82,413		)	135,143
	Reclassification adjustment for net losses included in net income on non-OTTI securities(2)	(100,891		)	38,219			(62,672		)
	Net unrealized gains/(losses) on investment securities available-for-sale	116,665			(44,194		)	72,471			87,753			72,471			160,224
	Pension and post-retirement actuarial gain/(loss)(4)	(396		)	155			(241		)	(26,475		)	(241		)	(26,716		)
	As of December 31, 2012	$	164,149		$	(63,097	)	$	101,052		$	(46,718	)	$	101,052		$	54,334
	NOTE 12. ACCUMULATED OTHER COMPREHENSIVE INCOME / (LOSS) (continued)
		Total Other									Total Accumulated
		Comprehensive Income									Other Comprehensive Income/(Loss)
		For the Year									December 31, 2010						December 31, 2011
		Ended December 31, 2011
		Pretax			Tax			Net Activity			Beginning			Net			Ending
		Activity			Effect						Balance			Activity			Balance
		(in thousands)
	Change in accumulated gains/(losses) on cash flow hedge derivative financial instruments	$	(66,196	)	$	25,514		$	(40,682	)
	Reclassification adjustment for net losses on cash flow hedge derivative financial instruments(1)	61,311			(23,373		)	37,938
	SCUSA Transaction	31,703			(12,015		)	19,688
	Net unrealized gains/(losses) on cash flow hedge derivative financial instruments	26,818			(9,874		)	16,944			$	(124,940	)	$	16,944		$	(107,996	)
	Change in unrealized gains/(losses) on investment securities available-for-sale	231,531			(88,091		)	143,440
	Reclassification adjustment for net losses included in net income on non-OTTI securities(2)	74,597			(29,317		)	45,280
	SCUSA Transaction	(13,212		)	5,020			(8,192		)
	Net unrealized gains/(losses) on investment securities available-for-sale	292,916			(112,388		)	180,528			(92,775		)	180,528			87,753
	Pension and post-retirement actuarial gain/(loss)(4)	(16,473		)	6,473			(10,000		)	(16,475		)	(10,000		)	(26,475		)
	Total, December 31, 2011	$	303,261		$	(115,789	)	$	187,472		$	(234,190	)	$	187,472		$	(46,718	)
	(1) Net losses reclassified into Interest on borrowings and other debt obligations in the Consolidated Statement of Operations for settlements of interest rate swap contracts designated as cash flow hedges.
	(2) Net gains reclassified into Net gain on sale of investment security sales in the Consolidated Statement of Operations for the sale of available-for-sale securities.
	(3) Unrealized losses previously recognized in accumulated other comprehensive income on securities for which OTTI was recognized during the period. See further discussion in Note 3 to the Consolidated Financial Statements.
	(4) Included in the computation of net periodic pension costs.

DERIVATIVE_INSTRUMENTS_AND_HED

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES	12 Months Ended
	Dec. 31, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES	'
	DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES
	General
	The Company uses derivative financial instruments primarily to help manage exposure to interest rate, foreign exchange, equity and credit risk, as well as to reduce the effects that changes in interest rates may have on net income, the fair value of assets and liabilities, and cash flows. The Company also enters into derivatives with customers to facilitate their risk management activities. The Company uses derivative financial instruments as risk management tools and not for speculative trading purposes. The fair value of all derivative balances is recorded within Other assets and Other liabilities on the Consolidated Balance Sheet. See Note 17 for discussion of the valuation methodology for derivative instruments.
	Derivatives represent contracts between parties that usually require little or no initial net investment and result in one party delivering cash or another type of asset to the other party based on a notional amount and an underlying as specified in the contract. Derivative transactions are often measured in terms of notional amount, but this amount is generally not exchanged and is not recorded on the balance sheet. The notional amount is the basis to which the underlying is applied to determine required payments under the derivative contract. The underlying is a referenced interest rate (commonly Overnight Indexed Swap ("OIS") or LIBOR), security price, credit spread or other index. Derivative balances are presented on a gross basis taking into consideration the effects of legally enforceable master netting agreements.
	NOTE 13. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (continued)
	In the third quarter of 2013, in accordance with ASU 2013-10, the Company adopted the OIS rate, which is used for
	determining the fair value of certain hedge and derivative contracts, including all collateralized interest rate swaps, caps, and
	floors. The OIS rate will continue to be used for new derivative contracts in these portfolios. The impact of this change was not
	material to the Company's financial position or results of operations.
	Through the Company’s capital markets and mortgage banking activities, it is subject to price risk. The Company employs various tools to measure and manage price risk in its portfolios. In addition, the Board of Directors has established certain limits relative to positions and activities. The level of price risk exposure at any given time depends on the market environment and expectations of future price and market movements and will vary from period to period.
	See additional discussion regarding the derivative accounting policy in Note 1.
	Credit Risk Contingent Features
	The Company has entered into certain derivative contracts that require the posting of collateral to counterparties when these contracts are in a net liability position. The amount of collateral to be posted is based on the amount of the net liability and thresholds generally related to the Company's long-term senior unsecured credit ratings. In a limited number of instances, counterparties also have the right to terminate their International Swaps and Derivatives Association, Inc. ("ISDA") master agreements if the Company's ratings fall below investment grade. As of December 31, 2013, derivatives in this category had a fair value of $33.7 million. The credit ratings of the Bank and SHUSA are currently considered investment grade. The Bank estimates a further 1- or 2-notch downgrade by either S&P or Moody's would require the Bank to post up to an additional $4.3 million or $4.5 million, respectively, to comply with existing derivative agreements.
	As of December 31, 2013 and 2012, the aggregate fair value of all derivative contracts with credit risk contingent features (i.e., those containing collateral posting or termination provisions based on our ratings) that were in a net liability position totaled $198.8 million and $395.3 million. The Company had $203.9 million and $454.8 million in cash and securities collateral posted to cover those positions as of December 31, 2013 and 2012, respectively.
	Fair Value Hedges
	The Company enters into cross-currency swaps to hedge its foreign currency exchange risk on certain Euro-denominated investments. These derivatives are designated as fair value hedges at inception. The Company includes all components of each derivative's gain or loss in the assessment of hedge effectiveness. The earnings impact of the ineffective portion of these hedges was not material for the years ended December 31, 2013 or December 31, 2012. The last of the hedges is scheduled to expire in February 2016.
	The Company has historically entered into pay-variable, receive-fixed interest rate swaps to hedge changes in fair values of certain debt obligations. At December 31, 2013, the Company had $13.0 million of deferred net after-tax losses on terminated derivative instruments that were hedging fair value changes. These losses will continue to be deferred in Borrowings and will be reclassified into interest expense over the remaining lives of the hedged assets and liabilities. During 2013, $3.3 million of the losses were recognized in the Consolidated Statements of Operations.
	Cash Flow Hedges
	Management uses derivative instruments, which are designated as hedges, to mitigate the impact of interest rate movements on the fair value of certain liabilities, assets and on highly probable forecasted cash flows. These instruments primarily include interest rate swaps that have underlying interest rates based on key benchmark indices and forward sale or purchase commitments. The nature and volume of the derivative instruments used to manage interest rate risk depend on the level and type of assets and liabilities on the balance sheet and the risk management strategies for the current and anticipated interest rate environment.
	Interest rate swaps are generally used to convert fixed-rate assets and liabilities to variable rate assets and liabilities and vice versa. The Company utilizes interest rate swaps that have a high degree of correlation to the related financial instrument.
	NOTE 13. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (continued)
	The last of the hedges is scheduled to expire in December 2030. The Company includes all components of each derivative's
	gain or loss in the assessment of hedge effectiveness. The earnings impact of the ineffective portion of these hedges was not
	material for the years ended December 31, 2013, 2012, or 2011. As of December 31, 2013, the Company expects approximately $18.9 million of gross losses recorded in Accumulated other comprehensive income to be reclassified to earnings during the next twelve months as the future cash flows occur.
	Derivatives Designated in Hedge Relationships – Notional and Fair Values
	Shown below is a summary of the derivatives designated as accounting hedges at December 31, 2013 and 2012:
		Notional				Asset			Liability			Weighted Average Receive			Weighted Average Pay			Weighted Average Life
		Amount										Rate			Rate			(Years)
		(in thousands)
	December 31, 2013
	Fair value hedges:
	Cross-currency swaps	$	19,995			$	1,073		$	1,924		4.76	%		4.75	%		2.11
	Cash flow hedges:
	Pay fixed — receive floating interest rate swaps	2,700,312				4,803			58,381			0.24	%		2.46	%		1.89
	Total	$	2,720,307			$	5,876		$	60,305		0.27	%		2.47	%		1.9
	December 31, 2012
	Fair Value hedges:
	Cross-currency swaps	$	79,765			$	10,452		$	11,458		3.42	%		3.41	%		3.7
	Cash flow hedges:
	Pay fixed — receive floating interest rate swaps	3,649,088				524			120,844			0.34	%		2.34	%		2
	Total	$	3,728,853			$	10,976		$	132,302		0.4	%		2.36	%		2.1
	See Note 12 for detail of the amounts included in accumulated other comprehensive income related to derivative activity.
	Other Derivative Activities
	The Company also enters into derivatives that are not designated as accounting hedges under GAAP. The majority of these derivatives are customer-related derivatives relating to foreign exchange and lending arrangements. In addition, derivatives are used to manage risks related to residential and commercial mortgage banking and investing activities. Although these derivatives are used to hedge risk and are considered economic hedges, they are not designated as accounting hedges because the contracts they are hedging are typically also carried at fair value on the balance sheet, resulting in generally symmetrical accounting treatment for both the hedging instrument and the hedged item.
	Mortgage Banking Derivatives
	The Company's derivative portfolio includes mortgage banking interest rate lock commitments, forward sale commitments and interest rate swaps. As part of its overall business strategy, the Bank originates fixed rate residential mortgages. It sells a portion of this production to FHLMC, FNMA, and private investors. The Company uses forward sales as a means of hedging against the economic impact of changes in interest rates on the mortgages that are originated for sale and on interest rate lock commitments.
	NOTE 13. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (continued)
	The Company typically retains the servicing rights related to residential mortgage loans that are sold. Residential MSRs are accounted for at fair value. As deemed appropriate, the Company economically hedges MSRs using interest rate swaps and forward contracts to purchase MBS.
	Customer-related derivatives
	The Company offers derivatives to its customers in connection with their risk management needs. These financial derivative transactions primarily consist of interest rate swaps, caps, floors and foreign exchange contracts. Risk exposure from customer positions is managed through transactions with other dealers, including Santander.
	Other derivative activities
	The Company uses foreign exchange contracts to manage the foreign exchange risk associated with certain foreign currency-denominated assets and liabilities. Foreign exchange contracts, which include spot and forward contracts as well as cross-currency swaps, represent agreements to exchange the currency of one country for the currency of another country at an agreed-upon price on an agreed-upon settlement date. Exposure to gains and losses on these contracts will increase or decrease over their respective lives as currency exchange and interest rates fluctuate.
	Other derivative instruments primarily include forward contracts related to certain investment securities sales, an overnight indexed swap, a total return swap on Visa, Inc. Class B common shares, and equity options, which manage our market risk associated with certain investments and customer deposit products.
	Derivatives Not Designated in Hedge Relationships – Notional and Fair Values
	Summary information regarding other derivative activities at December 31, 2013 and 2012 follows:
		Notional							Asset derivatives							Liability derivatives
									Fair value							Fair value
		December 31, 2013				December 31, 2012			December 31, 2013			December 31, 2012				December 31, 2013			December 31, 2012
		(in thousands)
	Mortgage banking derivatives:
	Forward commitments to sell loans	$	169,608			$	1,392,892		$	2,101		$	—			$	—		$	3,364
	Interest rate lock commitments	75,787				852,245			547			15,402				—			—
	Mortgage servicing rights	245,000				270,000			6,155			204				488			1,023
Total mortgage banking risk management	490,395				2,515,137			8,803			15,606				488			4,387
Customer related derivatives:
Swaps receive fixed	$	5,665,350			$	5,405,619		$	166,871		$	361,858			$	28,561		$	128
Swaps pay fixed	5,661,555				5,464,567			54,693			616				166,473			353,830
Other	1,385,904				999,008			4,247			4,460				3,635			3,942
Total customer related derivatives	12,712,809				11,869,194			225,811			366,934				198,669			357,900
Other derivative activities:
Foreign exchange contracts	1,253,395				951,784			11,631			9,998				9,745			7,638
Other	291,437				303,621			4,764			5,227				4,496			5,640
Total	$	14,748,036			$	15,639,736		$	251,009		$	397,765			$	213,398		$	375,565
NOTE 13. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (continued)
Gains (Losses) on All Derivatives
The following Consolidated Statement of Operations line items were impacted by the Company’s derivative activities for the years ended December 31, 2013, 2012 and 2011, respectively:
		Twelve-Month Period Ended
Derivative Activity		December 31, 2013		December 31, 2012		December 31, 2011
Fair value hedges:
Cross-currency swaps		Increase to capital markets revenue of $1.7 million.		Increase in net interest income of $0.1 million and a decrease to capital markets revenue of $0.1 million		Increase in net interest income of $29 thousand
Cash flow hedges:
Pay fixed-receive variable interest rate swaps		Decrease in net interest income of $65.9 million.		Decrease in net interest income of $81.0 million		Decrease in net interest income of $137.7 million
Other derivative activities:
Forward commitments to sell loans		Increase in mortgage banking revenues of $5.5 million.		Increase in mortgage banking revenues of $5.2 million		Decrease in mortgage banking revenues of $12.1 million
Interest rate lock commitments		Decrease in mortgage banking revenues of $14.9 million.		Increase in mortgage banking revenues of $8.1 million		Increase in mortgage banking revenues of $6.6 million
Mortgage servicing rights		Increase in mortgage banking revenues of $6.5 million.		Decrease in mortgage banking revenues of $0.8 million		No income effect.
Customer related derivatives		Increase in capital markets revenue of $17.2 million.		Increase in capital markets revenue of $17.3 million		Decrease in capital markets revenue of $21.3 million
Foreign exchange		Decrease in capital markets revenue of $1.0 million		Increase in capital markets revenue of $2.6 million		Decrease in capital markets revenue of $7.3 million
Other		Increase to net interest income of $3.1 million and increase of $0.7 million to capital markets revenue.		Increase in other non-interest income of $0.5 million. Decrease to net interest income and increase to capital markets revenue of $11.3 million and $1.2 million, respectively.		Decreases to other non-interest income, net interest income, and capital markets revenue of $1.4 million, $38.7 million, and $0.7 million, respectively.
Disclosures about Offsetting Assets and Liabilities
The Company enters into legally enforceable master netting agreements which reduce risk by permitting netting of transactions with the same counterparty on the occurrence of certain events. A master netting agreement allows two counterparties the ability to net-settle amounts under all contracts, including any related collateral posted, through a single payment and in a single currency. The right to offset and certain terms regarding the collateral process, such as valuation, credit events and settlement, are contained in the ISDA master agreement. The Company's financial instruments, including resell and repurchase agreements, securities lending arrangements, derivatives and cash collateral, may be eligible for offset on its Consolidated Balance Sheet.
NOTE 13. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (continued)
Information about financial assets and liabilities that are eligible for offset on the Consolidated Balance Sheet as of December 31, 2013 and December 31, 2012, respectively, is presented in the following tables:
		Offsetting of Financial Assets
												Gross Amounts Not Offset in the Consolidated Balance Sheet
		Gross Amounts of Recognized Assets				Gross Amounts Offset in the Consolidated Balance Sheet			Net Amounts of Assets Presented in the Consolidated Balance Sheet			Financial Instruments				Cash Collateral Received			Net Amount
		(in thousands)
31-Dec-13
Fair value hedges		$	1,073			$	—		$	1,073		$	—			$	—		$	1,073
Cash flow hedges		4,803				—			4,803			—				—			4,803
Other derivative activities(1)		249,619				34,394			215,225			3,992				47,706			163,527
Total derivatives subject to a master netting arrangement or similar arrangement		255,495				34,394			221,101			3,992				47,706			169,403
Total derivatives not subject to a master netting arrangement or similar arrangement(2)		1,390				—			1,390			—				—			1,390
Total Derivatives Assets		$	256,885			$	34,394		$	222,491		$	3,992			$	47,706		$	170,793
Total Financial Assets		$	256,885			$	34,394		$	222,491		$	3,992			$	47,706		$	170,793
31-Dec-12
Fair value hedges		$	10,452			$	10,452		$	—		$	—			$	—		$	—
Cash flow hedges		524				—			524			—				—			524
Other derivative activities(1)		382,363				19,161			363,202			14,364				1,410			347,428
Total derivatives subject to a master netting arrangement or similar arrangement		393,339				29,613			363,726			14,364				1,410			347,952
Total derivatives not subject to a master netting arrangement or similar arrangement(2)		15,402				—			15,402			—				—			15,402
Total Derivatives Assets		$	408,741			$	29,613		$	379,128		$	14,364			$	1,410		$	363,354
Reverse repurchase, securities borrowing, and similar arrangement		—				—			—			—				—			—
Total Financial Assets		$	408,741			$	29,613		$	379,128		$	14,364			$	1,410		$	363,354
-1	Includes customer-related and other derivatives
-2	Includes mortgage banking derivatives
NOTE 13. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (continued)
		Offsetting of Financial Liabilities
												Gross Amounts Not Offset in the Consolidated Balance Sheet
		Gross Amounts of Recognized Liabilities				Gross Amounts Offset in the Consolidated Balance Sheet			Net Amounts of Liabilities Presented in the Consolidated Balance Sheet			Financial Instruments				Cash Collateral Pledged			Net Amount
		(in thousands)
31-Dec-13
Fair value hedges		$	1,924			$	—		$	1,924		$	—			$	1,311		$	613
Cash flow hedges		58,381				—			58,381			34,881				40,817			(17,317		)
Other derivative activities(1)		213,400				34,394			179,006			102,402				37,538			39,066
Total derivatives subject to a master netting arrangement or similar arrangement		273,705				34,394			239,311			137,283				79,666			22,362
Total derivatives not subject to a master netting arrangement or similar arrangement(2)		—				—			—			—				—			—
Total Derivatives Liabilities		$	273,705			$	34,394		$	239,311		$	137,283			$	79,666		$	22,362
Total Financial Liabilities		$	273,705			$	34,394		$	239,311		$	137,283			$	79,666		$	22,362
31-Dec-12
Fair value hedges		$	11,458			$	10,452		$	1,006		$	43			$	901		$	62
Cash flow hedges		120,844				6			120,838			11,320				110,327			(809		)
Other derivative activities(1)		372,201				19,155			353,046			35,473				296,700			20,873
Total derivatives subject to a master netting arrangement or similar arrangement		504,503				29,613			474,890			46,836				407,928			20,126
Total derivatives not subject to a master netting arrangement or similar arrangement(2)		3,364				—			3,364			—				—			3,364
Total Derivatives Liabilities		$	507,867			$	29,613		$	478,254		$	46,836			$	407,928		$	23,490
Reverse repurchase, securities borrowing, and similar arrangement		2,107,986				—			2,107,986			2,650,823				60,259			(603,096		)
Total Financial Liabilities		$	2,615,853			$	29,613		$	2,586,240		$	2,697,659			$	468,187		$	(579,606	)
-1	Includes customer-related and other derivatives
-2	Includes mortgage banking derivatives

INCOME_TAXES

INCOME TAXES	12 Months Ended
	Dec. 31, 2013
Income Tax Disclosure [Abstract]	'
Income Taxes	'
	INCOME TAXES
	The Company is subject to the income tax laws of the U.S., its states and municipalities and certain foreign countries. These tax laws are complex and are potentially subject to different interpretations by the taxpayer and the relevant governmental taxing authorities. In establishing a provision for income tax expense, the Company must make judgments and interpretations about the application of these inherently complex tax laws.
	Actual income taxes paid may vary from estimates depending upon changes in income tax laws, actual results of operations, and the final audit of tax returns by taxing authorities. Tax assessments may arise several years after tax returns have been filed. The Company reviews its tax balances quarterly and, as new information becomes available, the balances are adjusted, as appropriate.
	Income Taxes from Continuing Operations
	The provision/(benefit) for income taxes in the Consolidated Statement of Operations is comprised of the following components:
		YEAR ENDED DECEMBER 31,
		2013				2012				2011
		(in thousands)
	Current:
	Foreign	$	208			$	107			$	80
	Federal	(79,281		)		12,806				269,797
	State	5,099				12,145				141,056
	Total current	(73,974		)		25,058				410,933
	Deferred:
	Federal	189,274				(125,681		)		453,456
	State	45,000				(5,825		)		43,890
	Total deferred	234,274				(131,506		)		497,346
	Total income tax provision/(benefit)	$	160,300			$	(106,448	)		$	908,279
	Reconciliation of Statutory and Effective Tax Rate
	The following is a reconciliation of the U.S. federal statutory rate of 35.0% to the Company’s effective tax rate for each of the years indicated:
		YEAR ENDED DECEMBER 31,
		2013			2012			2011
	Federal income tax at statutory rate	35	%		35	%		35	%
	Increase/(decrease) in taxes resulting from:
	Valuation allowance	(0.1	)%		(2.5	)%		0.3	%
	Tax-exempt income	(4.1	)%		(5.3	)%		(1.0	)%
	Bank owned life insurance	(2.5	)%		(4.5	)%		(0.9	)%
	State income taxes, net of federal tax benefit	4.8	%		3.5	%		5.2	%
	Investment tax credits(1)	(2.1	)%		(19.8	)%		—	%
	Low income housing credits	(2.6	)%		(5.7	)%		(1.4	)%
	Accelerated discount accretion	—	%		—	%		4.5	%
	Dividend from SCUSA	(7.1	)%		(31.2	)%		—	%
	Other	(1.0	)%		7.1	%		0.3	%
	Effective tax rate	20.3	%		(23.4	)%		42	%
	(1) Investment tax credits in 2013 were the result of the Company's investment in a VIE. Investment tax credits in 2012 were the result of the Company's investment in direct financing lease transactions.
	NOTE 14. INCOME TAXES (continued)
	Deferred Tax Assets and Liabilities
	The tax effects of temporary differences that give rise to the deferred tax assets and deferred tax liabilities are presented below:
		AT DECEMBER 31,
		2013				2012
		(in thousands)
	Deferred tax assets:
	Allowance for loan losses	$	328,184			$	380,503
	Unrealized loss on available-for-sale securities	129,170				—
	Unrealized loss on derivatives	22,085				46,333
	Net operating loss carry forwards	588,223				454,265
	Non-solicitation payments	14,837				24,024
	Employee benefits	70,345				66,380
	General business credit carry forwards	260,996				243,373
	Foreign tax credit carry forwards	60,688				60,688
	Broker commissions paid on originated mortgage loans	25,766				26,882
	Minimum tax credit carry forward	150,482				192,387
	IRC Section 382 recognized built in losses	25,818				31,578
	Recourse reserves	49,160				67,704
	Deferred interest expense	82,453				207,189
	Other	68,501				43,424
	Total gross deferred tax assets	1,876,708				1,844,730
	Valuation allowance	(94,601		)		(95,201		)
	Total deferred tax assets	1,782,107				1,749,529
	Deferred tax liabilities:
	Purchase accounting adjustments	8,976				15,911
	Deferred income	12,539				12,339
	Originated mortgage servicing rights	45,228				24,505
Unrealized gain on available-for-sale portfolio	—				105,349
SCUSA Transaction deferred gain	471,762				368,716
Leasing transactions	207,384				156,343
Depreciation and amortization	285,158				258,697
Other	3,102				27,246
Total gross deferred tax liabilities	1,034,149				969,106
Net deferred tax asset	$	747,958			$	780,423
Periodic reviews of the carrying amount of deferred tax assets are made to determine if the establishment of a valuation allowance is necessary. If, based on the available evidence in future periods, it is more likely that not that all or a portion of the Company’s deferred tax assets will not be realized, a deferred tax valuation allowance would be established. Consideration is given to all positive and negative evidence related to the realization of the deferred tax assets.
Items considered in this evaluation include historical financial performance, expectation of future earnings, the ability to carry back losses to recoup taxes previously paid, the length of statutory carry-forward periods, experience with operating loss and tax credit carryforwards not expiring unused, tax planning strategies and timing of reversals of temporary differences. The Company's evaluation is based on current tax laws, as well as its expectations of future performance. As of December 31, 2013, the Company maintains a valuation allowance of $94.6 million related to deferred tax assets subject to carryforward periods for which the Company has determined it is more likely than not that these deferred tax assets will remain unused after the carry-forward periods have expired.
NOTE 14. INCOME TAXES (continued)
The deferred tax asset realization analysis is updated at each year-end using the most recent forecasts. An assessment is made quarterly as to whether the forecasts and assumptions used in the deferred tax asset realization analysis should be revised in light of any changes that have occurred or are expected to occur that would significantly impact the forecasts or modeling assumptions. At December 31, 2013, the Company has recorded a deferred tax asset of $531.9 million related to federal net operating loss carryforwards, which may be offset against future taxable income. If not utilized in future years, these will expire in varying amounts through 2033. The Company has recorded a deferred tax asset of $56.3 million related to state net operating loss carryforwards, which may be used against future taxable income. If not utilized in future years, these will expire in varying amounts through 2033. The Company also has recorded a deferred tax asset of $261.0 million related to tax credit carryforwards and a deferred tax asset of $60.7 million related to foreign tax credit carryforwards, which may be offset against future taxable income. If not utilized in future years, these will expire in varying amounts through 2033 and 2017, respectively. The Company has concluded that it is more likely than not that $8.9 million of the deferred tax asset related to the state net operating loss carryforwards, $12.5 million of the deferred tax asset related to tax credit carryforwards and the entire deferred tax asset related to the foreign tax credit carryforwards will not be realized. The Company has not recognized a deferred tax liability of $46.4 million related to earnings that are considered permanently reinvested in a consolidated foreign entity.
Retained earnings at December 31, 2013 included $112.1 million in bad debt reserves for which no deferred taxes have been provided, due to the indefinite nature of the recapture provisions.
Changes in Liability for Unrecognized Tax Benefits
At December 31, 2013, the Company had net unrecognized tax benefit reserves related to uncertain tax positions of $137.4 million. A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
	Federal				Accrued				Unrecognized
	State and				Interest				Income Tax
	Local Tax				and Penalties				Benefits
	(in thousands)
Gross unrecognized tax benefits at January 1, 2011	$	110,363			$	26,588			$	136,951
SCUSA Transaction	—				(5,998		)		(5,998		)
Additions based on tax positions related to 2011	12,275				—				12,275
Additions for tax positions of prior years	2,079				2,099				4,178
Reductions for tax positions of prior years	—				(842		)		(842		)
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations	(3,343		)		(441		)		(3,784		)
Settlements	(13,691		)		(1,861		)		(15,552		)
Gross unrecognized tax benefits at December 31, 2011	107,683				19,545				127,228
Additions based on tax positions related to 2012	2,536				—				2,536
Additions for tax positions of prior years	21,000				5,280				26,280
Reductions for tax positions of prior years	(356		)		—				(356		)
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations	(750		)		(205		)		(955		)
Settlements	(4,648		)		(1,597		)		(6,245		)
Gross unrecognized tax benefits at December 31, 2012	125,465				23,023				148,488
Additions based on tax positions related to the current year	2,339				—				2,339
Additions for tax positions of prior years	—				936				936
Gross unrecognized tax benefits at December 31, 2013	$	127,804			$	23,959			151,763
Less: Federal, state and local income tax benefits									(14,324		)
Net unrecognized tax benefits that if recognized would impact the effective tax rate at December 31, 2013									$	137,439
NOTE 14. INCOME TAXES (continued)
Tax positions will initially be recognized in the financial statements when it is more likely than not the position will be sustained upon examination by the tax authorities. Such tax positions are initially and subsequently measured as the largest amount of tax benefit that is greater than 50% likely of being realized upon ultimate settlement with the tax authority assuming full knowledge of the position and all relevant facts. The Company is subject to the income tax laws of the U.S., its states and municipalities and certain foreign countries. These tax laws are complex and are potentially subject to different interpretations by the taxpayer and relevant governmental taxing authorities. In establishing a provision for income tax expense, the Company must make judgments and interpretations about the application of these inherently complex tax laws. The Company recognizes penalties and interest accrued related to unrecognized tax benefits within Income tax provision on the Consolidated Statement of Operations.
The Company has a lawsuit pending against the United States in Federal District Court in Massachusetts relating to the proper tax consequences of two financing transactions with an international bank through which the Company borrowed $1.2 billion. As a result of the two financing transactions, the Company paid foreign taxes of $264.0 million during the years 2003 through 2007 and claimed a corresponding foreign tax credit for foreign taxes paid during those years, which the IRS disallowed. The IRS also disallowed the Company's deductions for interest expense and transaction costs, totaling $74.6 million in tax liability, and assessed penalties and interest totaling approximately $92.5 million. The Company has paid the taxes, penalties and interest associated with the IRS adjustments for all tax years, and the lawsuit will determine whether the Bank is entitled to a refund of the amounts paid. The Company has recorded a receivable in Other assets for the amount of these payments, less a tax reserve of $96.9 million as of December 31, 2013.
On October 17, 2013, the Court issued a written opinion in favor of the Company relating to a motion for partial summary judgment on a significant issue in the case. The Company subsequently filed a motion for summary judgment requesting the Court to conclude the case in its entirety and enter a final judgment awarding the Company a refund of all amounts paid. In response, the IRS filed a motion opposing the Company's motion, and filed a cross-motion for summary judgment requesting that the Court enter a final judgment in the IRS's favor. The Company anticipates that the Court will rule on the parties' motions within the next several months and make a determination as to whether further proceedings are required at the District Court level to resolve any remaining legal or factual issues, which could affect the Company's entitlement to some or all of the refund. The Company expects the IRS to appeal any decision in favor of the Company. In 2013, two different federal courts decided cases involving similar financing structures entered into by the Bank of New York Mellon Corp. and BB&T Corp. (referred to as the Salem Financial Case) in favor of the IRS. Bank of New York Mellon Corp. and BB&T Corp. have filed notices of appeal in their respective cases. The Company remains confident in its position and believes its reserve amount adequately provides for potential exposure to the IRS related to these items. As this litigation progresses over the next 24 months, it is reasonably possible that changes in the reserve for uncertain tax positions could range from a decrease of $96.9 million to an increase of $296.0 million.
The IRS concluded the exam of the Company’s 2006 and 2007 tax returns in 2011. In addition to the adjustments for items related to the two financing transactions discussed above, the IRS has proposed to re-characterize ordinary losses related to the sale of certain assets as capital losses. The Company has paid the tax assessment resulting from this re-characterization, and will contest the adjustment through the administrative appeals process. The Company is confident that its position related to its ordinary tax treatment of the losses will ultimately be upheld. If the Company is not successful in defending its position, the maximum potential tax liability resulting from this IRS adjustment would be approximately $95.6 million. Additionally, with respect to the 2006-2007 tax periods, the Company faces potential interest and penalties resulting from the re-characterization adjustment and other unrelated adjustments of approximately $11.1 million in interest and $14.5 million in penalties, which are also being contested through the administrative appeals process.

STOCKBASED_COMPENSATION

STOCK-BASED COMPENSATION	12 Months Ended
	Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	'
STOCK-BASED COMPENSATION	'
	STOCK-BASED COMPENSATION
	Effective January 30, 2009, all stock compensation awarded to employees are paid in Santander American Depositary Receipts. All shares vest within three years of the authorization date by Santander's Board of Directors. In general, if an employee terminates employment prior to the end of the vesting period, shares granted are forfeited. The Company accounts for stock-based compensation under the fair value recognition provisions, under which the fair value of the award at grant date is expensed over the award's remaining vesting period. Historically, the authorization date is in July of each year, and the grant date is in the first half of the following year. Therefore, the awards are expensed over a period shorter than the three-year vesting period. The total compensation cost related to non-vested awards not yet recognized is $0.5 million and is expected to be recognized over a weighted-average period of approximately six months.
	The table below summarizes the changes in the Bank’s non-vested performance stock during the past year.
		Shares		Weighted average
				grant  date fair value
	Total non-vested performance stock at December 31, 2012	1,536,853		$	8.65
	Santander performance shares granted in 2013	—		—
	Santander performance shares vested in 2013	—		—
	Non-vested shares forfeited during 2013	(829,480	)	11.54
	Total non-vested performance stock at December 31, 2013	707,373		$	5.25
	Pre-tax compensation expense associated with the performance shares totaled $2.1 million, $3.1 million and $4.8 million for the years ended December 31, 2013, 2012, and 2011, respectively. The weighted average grant date fair value of performance shares granted for the years ended December 31, 2012 and 2011 was $5.25 per share and $11.99 per share, respectively. There were no performance shares granted for the year ended December 31, 2013.

EMPLOYEE_BENEFIT_PLANS

EMPLOYEE BENEFIT PLANS	12 Months Ended
	Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]	'
EMPLOYEE BENEFIT PLANS	'
	EMPLOYEE BENEFIT PLANS
	Defined Contribution Plans
	All employees of the Bank are eligible to participate in the Company's 401(k) Plan following their completion of 30 days of service. There is no age requirement to join the 401(k) Plan. The Bank recognized expense for contributions to the 401(k) Plan of $15.0 million, $13.5 million and $12.6 million during 2013, 2012, and 2011, respectively. The Bank matches 100% of employee contributions up to 3% of their compensation and then 50% of employee contributions between 3% and 5% of their compensation. The Company match is immediately vested and is allocated to the employee’s various 401(k) investment options in the same percentages as the employee’s own contributions.
	Defined Benefit Plans
	The Company sponsors various post-employment and post-retirement plans. All of the plans are frozen and therefore closed to new entrants; all benefits are fully vested, and therefore the plans ceased accruing benefits. The majority of the plans were acquired as part of previous acquisitions. The total net unfunded status related to these plans was $49.2 million and $70.4 million at December 31, 2013 and December 31, 2012, respectively and is recorded within Other liabilities on the Consolidated Balance Sheet. The liabilities are made up of the following:
	•	The Company’s benefit obligation related to its supplemental executive retirement plan (“SERP”) was $24.6 million and $26.3 million at December 31, 2013 and 2012, respectively.
	•	The Company’s benefit obligation related to other post-employment plans was $8.7 million and $9.5 million at December 31, 2013 and 2012, respectively.
	•	The Company acquired a pension plan from its acquisition of Independence Community Bank Corp. (“the Plan”). The unfunded status of the Plan was $15.9 million and $34.6 million at December 31, 2013 and 2012, respectively. The accumulated benefit obligation was $89.1 million and $102.7 million at December 31, 2013 and 2012, respectively.
	NOTE 16. EMPLOYEE BENEFIT PLANS (continued)
	Included in accumulated other comprehensive income at December 31, 2013 and 2012 were unrecognized actuarial losses, net of tax, of $15.6 million and $26.7 million that had not yet been recognized related to all the Company's plans, including the Plan.
	The required post-retirement disclosures below are provided for the most significant post-retirement plan - the Plan.
	The following tables summarizes the benefit obligation, change in Plan assets and components of net periodic pension expense for the Plan as of December 31, 2013 and 2012:
			Year ended December 31,
			2013				2012
			(in thousands)
	Change in benefit obligation:
	Benefit obligation at beginning of year		$	102,719			$	99,411
	Service cost		302				287
	Interest cost		3,989				4,136
	Actuarial (loss)/gain		(12,928		)		4,087
	Annuity payments		(5,020		)		(5,202		)
	Projected benefit obligation at year end		$	89,062			$	102,719
	Change in plan assets:
	Fair value at beginning of year		$	68,079			$	61,641
	Employer contributions		4,866				7,100
	Actual return on plan assets		5,258				4,540
	Annuity payments		(5,020		)		(5,202		)
	Fair value at year end		$	73,183			$	68,079
	Components of net periodic pension expense:
	Service cost		$	302			$	287
	Interest cost		3,989				4,136
	Expected return on plan assets		(4,615		)		(4,469		)
	Amortization of unrecognized actuarial loss		3,858				3,975
	Net periodic pension expense		$	3,534			$	3,929
	Service cost includes administrative expenses of the Plan, which are paid from Plan assets. The Company expects to make contributions of $4.9 million to the Plan in 2014.
	Pension plan assets are required to be reported and disclosed at fair value in the financial statements. See Note 1 for discussion about the Company’s fair value policy. In accordance with the Plan’s investment policy, the Plan’s assets were invested in the following allocation as of the end of the Plan year: 36.3% in equity mutual funds, 31.5% in fixed income mutual funds and 32.2% in money market funds. The shares of the underlying mutual funds are fair valued using quoted market prices in an active market, and therefore all of the assets were considered Level 1 within the fair value hierarchy as of December 31, 2013 and 2012. There have been no changes in the valuation methodologies used at December 31, 2013 and 2012.
	Specific investments are made in accordance with the Plan’s investment policy. The investment policy of the Plan is to maintain full funding without creating an undue risk of increasing any unfunded liability. A secondary investment objective is, where possible, to reduce the contribution rate in future years. The Plan’s allocation of assets is subject to periodic adjustment and re-balancing depending upon market conditions.
	NOTE 16. EMPLOYEE BENEFIT PLANS (continued)
	The assumptions utilized to calculate the projected benefit obligation and net periodic pension expense at December 31, 2013 and 2012 were:
			December 31, 2013			December 31, 2012
	Discount rate		5	%		4	%
	Expected long-term return on plan assets		7	%		7	%
	Salary increase rate		—	%		—	%
	The expected long-term rate of return on Plan assets reflects the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the project benefit obligation. The selected rate considers the historical and expected future investment trends of the present and expected assets in the Plan.
	The following table sets forth the expected benefit payments to be paid in future years for the Plan:
	2014	$	5,061,179
	2015	5,158,725
	2016	5,187,358
	2017	5,286,105
	2018	5,443,568
	2019-2023	28,287,619
	Total	$	54,424,554
	Included in accumulated other comprehensive income at December 31, 2013 and 2012 were unrecognized actuarial losses of $27.8 million and $45.2 million that had not yet been recognized related to the Plan. The actuarial loss included in accumulated other comprehensive income and expected to be recognized in net periodic pension cost during the fiscal year ended December 31, 2014 is $12.5 million.

FAIR_VALUE

FAIR VALUE	12 Months Ended
	Dec. 31, 2013
Fair Value Disclosures [Abstract]	'
Fair Value Disclosures [Text Block]	'
	FAIR VALUE
	General
	As of December 31, 2013, $12.2 billion of the Company’s total assets consisted of financial instruments measured at fair value on a recurring basis, including financial instruments for which the Company elected the fair value option. Approximately $9.8 million of these financial instruments were measured using quoted market prices for identical instruments or Level 1 inputs. Approximately $12.0 billion of these financial instruments were measured using valuation methodologies involving market-based and market-derived information, or Level 2 inputs. Approximately $195.3 million of these financial instruments were measured using model-based techniques, or Level 3 inputs, and represented approximately 1.6% of total assets measured at fair value and approximately 0.3% of total consolidated assets.
	Fair value is defined in GAAP as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The standard focuses on the exit price in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants. GAAP establishes a fair value reporting hierarchy to maximize the use of observable inputs when measuring fair value and defines the three levels of inputs as noted below:
	•	Level 1 - Assets or liabilities for which the identical item is traded on an active exchange, such as publicly-traded instruments or futures contracts.
	NOTE 17. FAIR VALUE (continued)
	•	Level 2 - Assets or liabilities valued based on observable market data for similar instruments. Fair value is estimated using inputs other than quoted prices included within Level 1 that are observable for assets or liabilities, either directly or indirectly.
	•	Level 3 - Assets or liabilities for which significant valuation assumptions are not readily observable in the market; instruments valued based on the best available data, some of which is internally developed and considers risk premiums that a market participant would require. Fair value is estimated using unobservable inputs that are significant to the fair value of the assets or liabilities. Level 3 assets and liabilities may include financial instruments whose value is determined using pricing services, pricing models with internally developed assumptions, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.
	Assets and liabilities measured at fair value, by their nature, result in a higher degree of financial statement volatility. When available, the Company attempts to use quoted market prices or matrix pricing in active markets to determine fair value and classifies such items as Level 1 or Level 2 assets or liabilities. If quoted market prices in active markets are not available, fair value is determined using third-party broker quotes and/or discounted cash flow models incorporating various assumptions including interest rates, prepayment speeds and credit losses. Assets and liabilities valued using broker quotes and/or discounted cash flow models are classified as either Level 2 or Level 3, depending on the lowest level classification of an input that is considered significant to the overall valuation.
	The Company values assets and liabilities based on the principal market on which each would be sold (in the case of assets) or transferred (in the case of liabilities). The principal market is the forum with the greatest volume and level of activity. In the absence of a principal market, the valuation is based on the most advantageous market. In the absence of observable market transactions, the Company considers liquidity valuation adjustments to reflect the uncertainty in pricing the instruments. The fair value of a financial asset is measured on a stand-alone basis and cannot be measured as a group, with the exception of certain financial instruments held and managed on a net portfolio basis. In measuring the fair value of a nonfinancial asset, the Company assumes the highest and best use of the asset by a market participant, not just the intended use, to maximize the value of the asset. The Company also considers whether any credit valuation adjustments are necessary based on the counterparty's credit quality.
	Any models used to determine fair values or validate dealer quotes based on the descriptions below are subject to review and testing as part of the Company's model validation and internal control testing processes.
	The Bank's Market Risk Department is responsible for determining and approving the fair values of all assets and liabilities valued at fair value, including our Level 3 assets and liabilities. Price validation procedures are performed and the results are reviewed for Level 3 assets and liabilities by the Market Risk Department. Price validation procedures performed for these assets and liabilities can include comparing current prices to historical pricing trends by collateral type and vintage, comparing prices by product type to indicative pricing grids published by market makers, and obtaining corroborating dealer prices for significant securities.
	The Company reviews the assumptions utilized to determine fair value on a quarterly basis. Any changes in methodologies or significant inputs used in determining fair values are further reviewed to determine if a change in fair value level hierarchy has occurred. Transfers in and out of Level 1, 2 and 3 are considered to be effective as of the end of the quarter in which they occur.
	There were no transfers between Levels 1, 2 and 3 during 2013 for any assets or liabilities valued at fair value on a recurring basis. During the Company's review of its investment portfolio performed during the first three months of 2012, the Company transferred its collateralized loan obligation securities ("CLOs"), which are asset-backed securities, from Level 2 to Level 3 due to the lack of price transparency as a result of its limited trading activity. The CLOs are valued using a third-party pricing service. Late in the third quarter of 2012, the Company changed its third-party pricing indications from an issuing broker to a pricing service, as the new provider is able to provide a more precise and market-driven valuation for these types of investments. During the Company's review of valuation methodologies in the fourth quarter of 2012, it was determined that the pricing techniques utilized by the provider would be considered Level 2. Therefore, during the fourth quarter of 2012, CLOs were transferred back to Level 2 from Level 3.
	NOTE 17. FAIR VALUE (continued)
	Assets and Liabilities Measured at Fair Value on a Recurring Basis
	The following tables present the assets and liabilities that are measured at fair value on a recurring basis by major product category and fair value hierarchy as of December 31, 2013 and 2012, respectively.
		Quoted Prices in Active				Significant Other				Significant				Balance at
		Markets for Identical				Observable Inputs				Unobservable Inputs				31-Dec-13
		Assets (Level 1)				(Level 2)				(Level 3)
		(in thousands)
	Financial assets:
	US Treasury and government agency securities	$	—			$	24,997			$	—			$	24,997
	Corporate debt	—				2,218,180				—				2,218,180
	Asset-backed securities	—				2,679,290				52,940				2,732,230
	Equity securities	9,841				—				—				9,841
	State and municipal securities	—				1,850,149				—				1,850,149
	Mortgage backed securities	—				4,810,843				—				4,810,843
	Total investment securities available-for-sale	9,841				11,583,459				52,940				11,646,240
	Loans held for sale	—				128,949				—				128,949
	Mortgage servicing rights	—				—				141,787				141,787
	Derivatives:
	Fair value	—				1,073				—				1,073
	Cash flow	—				4,803				—				4,803
	Mortgage banking interest rate lock commitments	—				—				547				547
	Mortgage banking forward sell commitments	—				2,101				—				2,101
	Customer related	—				225,811				—				225,811
	Foreign exchange	—				11,631				—				11,631
	Mortgage servicing	—				6,155				—				6,155
	Other	—				4,750				14				4,764
	Total financial assets	$	9,841			$	11,968,732			$	195,288			$	12,173,861
	Financial liabilities:
	Derivatives:
	Fair value	$	—			$	1,924			$	—			$	1,924
	Cash flow	—				58,381				—				58,381
	Customer related	—				198,669				—				198,669
	Total return swap	—				—				285				285
	Foreign exchange	—				9,745				—				9,745
	Mortgage servicing	—				488				—				488
	Other	—				4,099				112				4,211
	Total financial liabilities	$	—			$	273,306			$	397			$	273,703
	NOTE 17. FAIR VALUE (continued)
		Quoted Prices in Active				Significant Other				Significant				Balance at
		Markets for Identical				Observable Inputs				Unobservable Inputs				31-Dec-12
		Assets (Level 1)				(Level 2)				(Level 3)
		(in thousands)
	Financial assets:
	US Treasury and government agency securities	$	—			$	8,996			$	—			$	8,996
	Debentures of FHLB, FNMA and FHLMC	—				1,150				—				1,150
	Corporate debt	—				2,705,706				—				2,705,706
	Asset-backed securities	—				1,775,463				43,374				1,818,837
	Equity securities	5,216				—				—				5,216
	State and municipal securities	—				2,060,292				—				2,060,292
Mortgage backed securities	—				12,083,823				—				12,083,823
Total investment securities available-for-sale	5,216				18,635,430				43,374				18,684,020
Loans held for sale	—				843,442				—				843,442
Mortgage servicing rights	—				—				92,512				92,512
Derivatives:
Fair value	—				10,452				—				10,452
Cash flow	—				524				—				524
Mortgage banking interest rate lock commitments	—				—				15,402				15,402
Customer related	—				366,934				—				366,934
Foreign exchange	—				9,998				—				9,998
Mortgage servicing rights	—				204				—				204
Other	—				5,144				83				5,227
Total financial assets	$	5,216			$	19,872,128			$	151,371			$	20,028,715
Financial liabilities:
Derivatives:
Fair value	$	—			$	11,458			$	—			$	11,458
Cash flow	—				120,844				—				120,844
Mortgage banking forward sell commitments	—				3,364				—				3,364
Customer related	—				357,900				—				357,900
Total return swap	—				—				564				564
Foreign exchange	—				7,638				—				7,638
Mortgage servicing rights	—				1,023				—				1,023
Other	—				4,877				199				5,076
Total financial liabilities	$	—			$	507,104			$	763			$	507,867
NOTE 17. FAIR VALUE (continued)
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis
The Company may be required to measure certain assets and liabilities at fair value on a nonrecurring basis in accordance with GAAP from time to time. These adjustments to fair value usually result from application of lower-of-cost-or-fair value accounting or certain impairment measures. Assets measured at fair value on a nonrecurring basis that were still held on the balance sheet were as follows:
	Quoted Prices in Active				Significant Other				Significant				Fair Value
	Markets for				Observable Inputs				Unobservable
	Identical Assets				(Level 2)				Inputs (Level 3)
	(Level 1)
	(in thousands)
December 31, 2013
Impaired loans held for investment	$	—			$	149,796			$	137,356			$	287,152
Foreclosed assets	—				57,431				—				57,431
December 31, 2012
Impaired loans held for investment	$	—			$	506,637			$	40,674			$	547,311
Foreclosed assets	—				39,904				—				39,904
Valuation Processes and Techniques
Impaired loans held for investment represents the recorded investment of impaired commercial loans for which the Company periodically records nonrecurring adjustments of collateral-dependent loans measured for impairment when establishing the allowance for loan losses. Such amounts are generally based on the fair value of the underlying collateral supporting the loan. Appraisals are obtained to support the fair value of the collateral and incorporate measures such as recent sales prices for comparable properties, which are considered Level 2 inputs. Loans for which the fair value of the underlying collateral is determined using a combination of real estate appraisals, field exams and internal calculations are considered Level 3 inputs. The inputs in the internal calculations include the loan balance, estimation of the collectability of the underlying receivables held by the customer used as collateral, sale and liquidation value of the inventory held by the customer used as collateral, and historical loss-given-default parameters. In cases in which the carrying value exceeds the fair value of the collateral less cost to sell, an impairment charge is recognized. The total carrying value of these loans was $209.1 million and $485.6 million at December 31, 2013 and 2012, respectively.
Foreclosed assets represents the recorded investment in assets taken in foreclosure of defaulted loans, and is primarily comprised of commercial and residential real property and generally measured at the lower of cost or fair value less costs to sell. The fair value of the real property is generally determined using appraisals or other indications of value based on recent comparable sales of similar properties or assumptions generally observable in the marketplace.
Fair Value Adjustments
The following table presents the increases and decreases in value of certain assets that are measured at fair value on a nonrecurring basis for which a fair value adjustment has been included in the Consolidated Statements of Operations relating to assets held at period end.
	Statement of Operations		Twelve-Month Period
	Location		Ended December 31,
			(in thousands)
			2013				2012				2011
Impaired loans held for investment	Provision for credit losses		$	(29,103	)		$	69,446			$	165,317
Foreclosed assets	Other administrative expense		(5,441		)		(5,903		)		(14,657		)
Mortgage servicing rights	Mortgage banking income		—				88				(37,789		)
			$	(34,544	)		$	63,631			$	112,871
NOTE 17. FAIR VALUE (continued)
Level 3 Rollforward for Recurring Assets and Liabilities
The tables below present the changes in all Level 3 balances for the twelve-month periods ended December 31, 2013 and 2012, respectively.
	Investments				Mortgage				Derivatives				Total
	Available-for-Sale				Servicing Rights
Balance, December 31, 2012	$	43,374			$	92,512			$	14,722			$	150,608
Gains/(losses) in other comprehensive income	11,249				—				—				11,249
Gains/(losses) in earnings	—				36,479				(14,947		)		21,532
Issuances	—				35,805				—				35,805
Settlements(1)	(1,683		)		(23,009		)		389				(24,303		)
Balance, December 31, 2013	$	52,940			$	141,787			$	164			$	194,891
Changes in unrealized gains (losses) included in earnings related to balances still held at December 31, 2013	$	—			$	36,479			$	(92	)		$	36,387
	Investments				Mortgage				Derivatives				Total
	Available-for-Sale				Servicing Rights
Balance, December 31, 2011	$	52,315			$	91,686			$	1,143			$	145,144
(Losses) in other comprehensive income	(7,183		)		—				—				(7,183		)
(Gains) reclassified from OCI to earnings	(556		)		—				—				(556		)
Gains/(losses) in earnings	—				(42,194		)		9,184				(33,010		)
Purchases	431,166				—				—				431,166
Issuances	—				43,543				—				43,543
Sales	(78,875		)		—				—				(78,875		)
Settlements(1)	(1,686		)		—				4,395				2,709
Amortization	—				(523		)		—				(523		)
Transfers into level 3	576,460				—				—				576,460
Transfers to level 2	(928,267		)		—				—				(928,267		)
Balance, December 31, 2012	$	43,374			$	92,512			$	14,722			$	150,608
Changes in unrealized (losses) gains included in earnings related to balances still held at December 31, 2012	$	—			$	(42,194	)		$	1,105			$	(41,089	)
-1	Settlements include prepayments, pay-downs and maturities.
NOTE 17. FAIR VALUE (continued)
Valuation Processes and Techniques - Recurring Fair Value Assets and Liabilities
The following is a description of the valuation techniques used for instruments measured at fair value on a recurring basis.
Investments securities available-for-sale
The Company utilizes a third-party pricing service to value its investment portfolio. Our primary pricing service has consistently proved to be a high quality third-party pricing provider. For those investments not valued by our primary servicer, other trusted market sources are utilized. The vendors the Company uses provide pricing services on a global basis. The Company monitors and validates the reliability of vendor pricing on an ongoing basis, which can include pricing methodology reviews, performing detailed reviews of the assumptions and inputs used by the vendor to price individual securities, and price validation testing. Price validation testing is performed independently of the risk-taking function and can include corroborating the prices received from third-party vendors with prices from another third-party source, reviewing valuations of comparable instruments, comparison to internal valuations, or by reference to recent sales of similar securities. Securities not priced by one of the pricing vendors may be valued using a dealer quote.
Actively traded quoted market prices for investment securities available-for-sale, such as government agency bonds, corporate debt, and state and municipal securities, are not readily available. The Company's principal markets for its investment securities are the secondary institutional markets with an exit price that is predominantly reflective of bid level pricing in these markets. The third-party vendors use a variety of methods when pricing securities that incorporate relevant market data to arrive at an estimate of what a buyer in the marketplace would pay for a security under current market conditions.
CLOs are initially valued by the provider using discounted cash flow models which consider inputs such as default correlation, credit spread, prepayment speed, conditional default rate and loss severity. The price produced by the model is then compared to recent trades for similar transactions. If there are differences between the model price and the market price, adjustments are made to the model so the final price approximates the market price. These investments are, therefore, considered Level 2.
Certain of the Company's investments in asset-backed securities are valued based on their amortized cost, which is determined to be equal to the fair value of the securities. These securities have been classified as Level 2, as an active market does not exist for them; however, observable inputs, such as rate of return on each of the programs and observable yield curves, do exist.
The Company's equity securities are priced using net asset value per share, since the price is unadjusted. These investments are, therefore, considered Level 1.
The Company’s Level 3 investment assets are comprised of a sale-leaseback security. This investment is thinly traded, and the Company determined the estimated fair value of it by evaluating pricing information from a combination of sources such as third-party pricing services, third-party broker quotes for certain securities and other independent third-party valuation sources. These quotes are benchmarked against similar securities that are more actively traded to assess the reasonableness of the estimated fair value. The fair market value estimate assigned to this security assumes liquidation in an orderly fashion and not under distressed circumstances. Significant unobservable inputs include third-party quotes and pricing on comparable securities that are more actively traded, as well as management-determined comparability adjustments. Significant increases (decreases) in any of those inputs in isolation would result in a significantly higher (lower) fair value measurement.
Gains and losses on investments are recognized in the Consolidated Statements of Operations through Net gain on sale of investment securities.
NOTE 17. FAIR VALUE (continued)
Loans Held-for-Sale
The fair value of LHFS are estimated using published forward agency prices to agency buyers such as FNMA and FHLMC. The majority of the residential LHFS portfolio is sold to these two agencies. The fair value is determined using current secondary market prices for portfolios with similar characteristics, adjusted for servicing values and market conditions. These loans are regularly traded in active markets, and observable pricing information is available from market participants. The prices are adjusted as necessary to include the embedded servicing value in the loans and to take into consideration the specific characteristics of certain loans that are priced based on the pricing of similar loans. These adjustments represent unobservable inputs to the valuation but are not considered significant given the relative insensitivity of the value to changes in these inputs to the fair value of the loans. Accordingly, residential mortgage LHFS are classified as Level 2. See further discussion below in the Fair Value Option for Financial Assets and Financial Liabilities section below.
Mortgage servicing rights
The model to value MSRs estimates the present value of the future net cash flows from mortgage servicing activities based on various assumptions. These cash flows include servicing and ancillary revenue, offset by the estimated costs of performing servicing activities. Significant assumptions used in the valuation of residential MSRs are CPR and the discount rate, reflective of a market participant's required return on an investment for similar assets. Other important valuation assumptions include market-based servicing costs and the anticipated earnings on escrow and similar balances held by the Company in the normal course of mortgage servicing activities. All of these assumptions are considered to be unobservable inputs. Historically, servicing costs and discount rates have been less volatile than CPR and earnings rates, both of which are directly correlated with changes in market interest rates. Increases in prepayment speeds, discount rates and servicing costs result in lower valuations of MSRs. Decreases in the anticipated earnings rates on escrow and similar balances result in lower valuations of MSRs. For each of these items, the Company makes assumptions based on current market information and future expectations. All of the assumptions are based on standards that the Company believes would be utilized by market participants in valuing mortgage servicing rights and are derived and/or benchmarked against independent public sources. Accordingly, MSRs are classified as Level 3. Gains and losses on MSRs are recognized on the Consolidated Statements of Operations through Mortgage banking revenue/(expense). See further discussion on MSRs in Note 8 of the Notes to the Consolidated Financial Statements.
Listed below are the most significant inputs that are utilized by the Company in the evaluation of residential MSRs:
•	A 10% and 20% increase in the CPR speed would decrease the fair value of the residential servicing asset by $4.9 million and $9.4 million, respectively, at December 31, 2013.
•	A 10% and 20% increase in the discount rate would decrease the fair value of the residential servicing asset by $5.6 million and $10.7 million, respectively, at December 31, 2013.
Significant increases (decreases) in any of those inputs in isolation would result in a significantly higher (lower) fair value measurement. These sensitivity calculations are hypothetical and should not be considered predictive of future performance. Changes in fair value based on adverse changes in assumptions generally cannot be extrapolated because the relationship of the change in assumption to the change in fair value may not be linear. Also, the effect of an adverse variation in a particular assumption on the fair value of the MSRs is calculated without changing any other assumption, while in reality changes in one factor may result in changes in another, which may either magnify or counteract the effect of the change. Prepayment estimates generally increase when market interest rates decline and decrease when market interest rates rise. Discount rates typically increase when market interest rates increase and/or credit and liquidity risks increase, and decrease when market interest rates decline and/or credit and liquidity conditions improve.
NOTE 17. FAIR VALUE (continued)
Derivatives
The valuation of these instruments is determined using widely accepted valuation techniques, including discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable and unobservable market-based inputs. The fair value represents the estimated amount SHUSA would receive or pay to terminate the contracts or agreements, taking into account current interest rates, foreign exchange rates, equity prices and, when appropriate, the current creditworthiness of the counterparties.
The Company incorporates credit valuation adjustments in the fair value measurement of its derivatives to reflect the respective counterparty's nonperformance risk in the fair value measurement of its derivatives except for those derivative contracts with associated Credit Support Annexes (CSAs) which provide credit enhancements, such as collateral postings and guarantees.
The Company has determined that the majority of the inputs used to value its derivatives fall within Level 2 of the fair value hierarchy. Certain of the Company's derivatives utilize Level 3 inputs, which are primarily related to mortgage banking derivatives-interest rate lock commitments.
The discounted cash flow model is utilized to determine the fair value for the mortgage banking derivatives-interest rate lock commitments. The significant unobservable inputs for mortgage banking derivatives used in the fair value measurement of loan commitments are "pull through" percentage and the MSR value that is inherent in the underlying loan value. The pull through percentage is an estimate of loan commitments that will result in closed loans. Significant increases (decreases) in any of these inputs in isolation would result in a significantly higher (lower) fair value measurement. Significant increases (decreases) in the fair value of a mortgage banking derivative asset (liability) results when the probability of funding increases (decreases). Significant increases (decreases) in the fair value of a mortgage loan commitment results when the embedded servicing value increases (decreases).
Gains and losses related to derivatives affect various line items in the Consolidated Statements of Operations. See Note 13 for a discussion of derivatives activity.
Level 3 Inputs - Significant Recurring Assets and Liabilities
The following table presents quantitative information about the significant unobservable inputs within significant Level 3 recurring assets and liabilities.
	Fair Value at December 31, 2013				Valuation Technique		Unobservable Inputs		Range (Weighted Average)
	(in thousands)
Sale-leaseback securities	$	52,940			Consensus Pricing (1)		Offered quotes(2)		134.13	%
Mortgage servicing rights	$	141,787			Discounted Cash Flow		Prepayment rate (CPR)(3)		0.37%-42.71%
									-8.25%
							Discount Rate(4)		9.55	%
(1) Consensus pricing refers to fair value estimates that are generally developed using information such as dealer quotes or other third-party valuations or comparable asset prices.
(2) Based on the nature of the input, a range or weighted average does not exist. For sale-leaseback securities, the Company owns one security.
(3) Average CPR projected from collateral stratified by loan type, note rate and maturity.
(4) Based on the nature of the input, a range or weighted average does not exist.
NOTE 17. FAIR VALUE (continued)
Fair Value of Financial Instruments
	December 31, 2013
	Carrying				Fair Value				Level 1				Level 2			Level 3
	Value
	(in thousands)
Financial assets:
Cash and amounts due from depository institutions	$	4,226,947			$	4,226,947			$	4,226,947			$	—		$	—
Available-for-sale investment securities	11,646,240				11,646,240				9,841				11,583,459			52,940
FHLB debenture	19,862				20,000				—				20,000			—
Loans held for investment, net	49,087,340				49,307,888				—				149,796			49,158,092
Loans held-for-sale	128,949				128,949				—				128,949			—
Restricted Cash	97,397				97,397				97,397				—			—
Mortgage servicing rights	141,787				141,787				—				—			141,787
Derivatives	256,885				256,885				—				256,324			561
Financial liabilities:
Deposits	49,521,406				49,609,846				41,382,336				8,227,510			—
Borrowings and other debt obligations	12,376,624				13,210,300				—				13,210,300			—
Derivatives	273,703				273,703				—				273,306			397
	December 31, 2012
	Carrying				Fair Value				Level 1				Level 2			Level 3
	Value
	(in thousands)
Financial assets:
Cash and amounts due from depository institutions	$	2,220,811			$	2,220,811			$	2,220,811			$	—		$	—
Available-for-sale investment securities	18,684,020				18,684,020				5,216				18,635,430			43,374
Debentures of FHLB, FNMA and FHLMC	19,672				20,000				—				20,000			—
Loans held for investment, net	51,375,442				50,682,773				—				506,637			50,176,136
Loans held-for-sale	843,442				843,442				—				843,442			—
Restricted Cash	488,455				488,455				488,455				—			—
Mortgage servicing rights	92,512				92,512				—				—			92,512
Derivatives	408,741				408,741				—				393,256			15,485
Financial liabilities:
Deposits	50,790,038				50,931,010				38,121,149				12,809,861			—
Borrowings and other debt obligations	19,264,206				20,632,540				—				20,632,540			—
Derivatives	507,867				507,867				—				507,104			763
NOTE 17. FAIR VALUE (continued)
Valuation Processes and Techniques - Financial Instruments
The preceding tables present disclosures about the fair value of the Company's financial instruments. Those fair values for certain instruments are presented based upon subjective estimates of relevant market conditions at a specific point in time and information about each financial instrument. In cases in which quoted market prices are not available, fair values are based on estimates using present value or other valuation techniques. These techniques involve uncertainties resulting in variability in estimates affected by changes in assumptions and risks of the financial instruments at a certain point in time. Therefore, the derived fair value estimates presented above for certain instruments cannot be substantiated by comparison to independent markets. In addition, the fair values do not reflect any premium or discount that could result from offering for sale at one time an entity’s entire holding of a particular financial instrument, nor does it reflect potential taxes and the expenses that would be incurred in an actual sale or settlement. Accordingly, the aggregate fair value amounts presented above do not represent the underlying value of the Company.
The following methods and assumptions were used to estimate the fair value of each class of financial instruments not measured at fair value on the Consolidated Balance Sheet:
Cash and amounts due from depository institutions
Cash and cash equivalents include cash and due from depository institutions, interest-bearing deposits in other banks, federal funds sold, and securities purchased under agreements to resell. The related fair value measurements have been classified as Level 1, as their carrying value approximates fair value due to the short-term nature of the asset.
As of December 31, 2013 and 2012, the Company had $97.4 million and $488.5 million, respectively, of restricted cash. Restricted cash is related to cash restricted for investment purposes, cash posted for collateral purposes and cash advanced for loan purchases. Cash and cash equivalents, including restricted cash, have maturities of three months or less and, accordingly, the carrying amount of these instruments is deemed to be a reasonable estimate of fair value.
Debentures of FHLB, FNMA, and FHLMC
Other investments include debentures of FHLB, FNMA and FHLMC. The related fair value measurements have generally been classified as Level 2, as carrying value approximates fair value.
Loans held for investment, net
The fair values of loans are estimated based on groupings of similar loans, including but not limited to stratifications by type, interest rate, maturity, and borrower creditworthiness. Discounted future cash flow analyses are performed for these loans incorporating assumptions of current and projected voluntary prepayment speeds. Discount rates are determined using the Company's current origination rates on similar loans, adjusted for changes in current liquidity and credit spreads, if necessary. Since the current liquidity spreads are generally not observable in the market and the expected loss assumptions are based on the Company's experience, these are Level 3 valuations. Impaired loans are valued at fair value on a nonrecurring basis. See further discussion under "Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis" above.
Deposits
The fair value of deposits with no stated maturity, such as non-interest bearing demand deposits, interest-bearing demand deposit accounts, savings accounts and certain money market accounts, is equal to the amount payable on demand and does not take into account the significant value of the cost advantage and stability of the Company's long-term relationships with depositors. The fair value of fixed-maturity CDs is estimated by discounting cash flows using currently offered rates for deposits of similar remaining maturities. The related fair value measurements have generally been classified as Level 1 for core deposits, as the carrying value approximates fair value due to the short-term nature of the liabilities. All other deposits are considered Level 2.
NOTE 17. FAIR VALUE (continued)
Borrowings and other debt obligations
Fair value is estimated by discounting cash flows using rates currently available to the Company for other borrowings with similar terms and remaining maturities. Certain other debt obligation instruments are valued using available market quotes for similar instruments, which contemplates issuer default risk. The related fair value measurements have generally been classified as Level 2.
Commitments to extend credit and standby letters of credit
Commitments to extend credit and standby letters of credit include the value of unfunded lending commitments and standby letters of credit as well as the recorded liability for probable losses. The Company’s pricing of such financial instruments is based largely on credit quality and relationship, probability of funding and other requirements. Loan commitments often have fixed expiration dates and contain termination and other clauses which provide relief from funding in the event of significant deterioration in the credit quality of the customer. The rates and terms of the Company’s loan commitments and letters of credit are competitive with other financial institutions operating in markets served by the Company.
The liability for probable losses is estimated by analyzing unfunded lending commitments and standby letters of credit for commercial customers and segregating by risk according to the Company's internal risk rating scale. These risk classifications, in conjunction with an analysis of historical loss experience, current economic conditions, performance trends within specific portfolio segments, and any other pertinent information, result in the estimation of the reserve for probable losses.
These instruments and the related reserve are classified as Level 3. The Company believes that the carrying amounts, which are included in other liabilities, are reasonable estimates of the fair value of these financial instruments.
Fair Value Option for Financial Assets and Financial Liabilities
Loans held-for-sale
The Company's loans held-for-sale portfolio primarily consists of residential mortgages. The Company adopted the fair value option on residential mortgage loans classified as held-for-sale, which allows the Company to record the mortgage loans held-for-sale portfolio at fair market value compared to the lower of cost, net of deferred fees, deferred origination costs and effects of hedge accounting, or market. The Company economically hedges its residential LHFS portfolio with forward sale agreements, which are reported at fair value. A lower of cost or market accounting treatment would not allow the Company to record the excess of the fair market value over book value, but would require the Company to record the corresponding reduction in value of the hedges. Both the loans and related hedges are carried at fair value, which reduces earnings volatility, as the amounts more closely offset, particularly when interest rates are declining.
The Company's LHFS portfolio had an aggregate fair value of $128.9 million, $843.4 million, and $352.5 million at December 31, 2013, 2012, and 2011, respectively. The contractual principal amount of these loans totaled $128.9 million, $818.4 million, and $340.0 million at December 31, 2013, 2012, and 2011, respectively. The difference in fair value compared to the principal balance of $0.0 million, $25.1 million, and $12.5 million was recorded in Mortgage banking revenue/(expense) in the Consolidated Statement of Operations during the years ended December 31, 2013, 2012, and 2011, respectively. Substantially all of these loans are current and none are in non-accrual status. Interest income on these loans is credited to interest income as earned.
NOTE 17. FAIR VALUE (continued)
Residential Mortgage Servicing Rights
As of January 1, 2012, the Company elected to account for its existing portfolio of residential MSRs at fair value. Prior to this election, residential MSRs were accounted for using the amortization method subject to impairment. This election created greater flexibility with regards to any ongoing decisions relating to risk management of the asset by mitigating the effects of changes to the residential MSRs' fair value through the use of risk management instruments.
The Company's residential MSRs had an aggregate fair value of $141.8 million and $92.5 million at December 31, 2013 and 2012, respectively. Changes in fair value totaling a gain of $36.5 million and loss of $5.7 million were recorded in Mortgage banking revenue/(expense) in the Consolidated Statement of Operations during the years ended December 31, 2013 and 2012, respectively.

COMMITMENTS_AND_CONTINGENCIES

COMMITMENTS AND CONTINGENCIES	12 Months Ended
	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]	'
COMMITMENTS AND CONTINGENCIES	'
	COMMITMENTS, CONTINGENCIES, AND GUARANTEES
	Off-Balance Sheet Risk - Financial Instruments
	In the normal course of business, the Company utilizes a variety of financial instruments with off-balance sheet risk to meet the financing needs of its customers and manage its exposure to fluctuations in interest rates. These financial instruments include commitments to extend credit, letters of credit, loans sold with recourse, forward contracts, and interest rate and cross currency swaps, caps and floors. These financial instruments may involve, to varying degrees, elements of credit, liquidity, and interest rate risk in excess of the amount recognized on the Consolidated Balance Sheet. The contract or notional amounts of these financial instruments reflect the extent of involvement the Company has in particular classes of financial instruments.
	The Company’s exposure to credit loss in the event of non-performance by the other party to the financial instrument for commitments to extend credit, letters of credit and loans sold with recourse is represented by the contractual amount of those instruments. The Company uses the same credit policies in making commitments and conditional obligations as it does for on-balance sheet instruments. For forward contracts and interest rate swaps, caps and floors, the contract or notional amounts do not represent exposure to credit loss. The Company controls the credit risk of its forward contracts and interest rate swaps, caps and floors through credit approvals, limits and monitoring procedures. See Note 13 for discussion of all derivative contract commitments.
	The following table details the amount of commitments for the periods indicated:
		December 31, 2013			December 31, 2012
		(in thousands)
	Commitments to extend credit	$	23,651,791		$	23,155,424
	Credit card lines of credit	815,573			790,174
	Letters of credit	2,116,227			2,491,757
	Recourse and credit enhancement exposure on sold loans	184,584			192,992
	Commitments to sell loans	3,810			177,398
	Total commitments	$	26,771,985		$	26,807,745
	Commitments to Extend Credit
	Commitments to extend credit generally have fixed expiration dates, are variable rate, and contain clauses that permit the Company to terminate or otherwise renegotiate the contracts in the event of a significant deterioration in the customer's credit quality. These arrangements normally require payment of a fee by the customer, the pricing of which is based on prevailing market conditions, credit quality, probability of funding, and other relevant factors. Since many of these commitments are expected to expire without being drawn upon, the contract amounts are not necessarily indicative of future cash requirements.
	NOTE 18. COMMITMENTS, CONTINGENCIES, AND GUARANTEES (continued)
	The following table details the amount of commitments to extend credit expiring per period as of the dates indicated:
		December 31, 2013			December 31, 2012
		(in thousands)
	One year or less	$	5,163,591		$	7,146,080
	Over 1 year to 3 years	5,716,759			4,615,613
	Over 3 years to 5 years	6,457,992			7,972,885
	Over 5 years	6,313,449			3,420,846
	Total	$	23,651,791		$	23,155,424
	Credit Card Lines of Credit
	Such commitments arise primarily from agreements with customers for unused lines of credit on credit cards, provided there is no violation of conditions in the underlying agreement. These commitments, substantially all of which the Company can terminate at any time and which do not necessarily represent future cash requirements, are periodically reviewed based on account usage, customer creditworthiness and loan qualifications.
	Letters of Credit
	The Company’s letters of credit meet the definition of a guarantee. Letters of credit commit the Company to make payments on behalf of its customers if specified future events occur. The guarantees are primarily issued to support public and private borrowing arrangements. The weighted average term of these commitments is 9.7 months. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. In the event of a draw by the beneficiary that complies with the terms of the letter of credit, the Company would be required to honor the commitment. The Company has various forms of collateral, including real estate assets and other customer business assets. The maximum un-discounted exposure related to these commitments at December 31, 2013 was $2.1 billion, and the approximate value of the underlying collateral upon liquidation that would be expected to cover this maximum potential exposure was $0.5 billion. The fees related to letters of credit are deferred and amortized over the life of the commitment and were immaterial to the Company’s financial statements at December 31, 2013. Management believes that the utilization rate of these letters of credit will continue to be substantially less than the amount of these commitments, as has been the Company’s experience to date. As of December 31, 2013 and December 31, 2012, the liability related to these letters of credit was $129.8 million and $138.7 million, respectively, which is recorded within the reserve for unfunded commitments in Other liabilities on the Consolidated Balance Sheet. The credit risk associated with letters of credit is monitored using the same risk rating system utilized within the loan and lease portfolio. Included within the reserve for unfunded commitments at December 31, 2013 and December 31, 2012 were lines of credit outstanding of $90.2 million and $71.3 million, respectively.
	The following table details the amount of letters of credit expiring per period as of the dates indicated:
		December 31, 2013			December 31, 2012
		(in thousands)
	One year or less	$	1,680,277		$	1,808,744
	Over 1 year to 3 years	333,769			481,867
	Over 3 years to 5 years	96,558			147,931
	Over 5 years	5,623			53,215
	Total	$	2,116,227		$	2,491,757
	NOTE 18. COMMITMENTS, CONTINGENCIES, AND GUARANTEES (continued)
	Loans Sold with Recourse
	The Company has loans sold with recourse that meet the definition of a guarantee. For loans sold with recourse under the terms of its multi-family sales program with FNMA, the Company retained a portion of the associated credit risk. The unpaid principal balance outstanding of loans sold with these programs was $4.3 billion as of December 31, 2013 and $7.5 billion as of December 31, 2012. As a result of its agreement with FNMA, the Company retained a 100% first loss position on each multi-family loan sold to FNMA until the earlier to occur of (i) the aggregate approved losses on multi-family loans sold to FNMA reaching the maximum loss exposure for the portfolio as a whole of $159.0 million as of December 31, 2013 and $160.0 million as of December 31, 2012 or (ii) all of the loans sold to FNMA under this program being fully paid off. Any losses sustained as a result of impediments in standard representations and warranties would be in addition to the maximum loss exposure.
	The Company has established a liability which represents the fair value of the retained credit exposure and the amount the Company estimates it would have to pay a third party to assume the retained recourse obligation. The estimated liability is calculated as the present value of losses the portfolio is projected to incur based upon internal specific information and an industry-based default curve with a range of estimated losses. At December 31, 2013 and December 31, 2012, the Company had $68.0 million and $122.7 million, respectively, of reserves classified in Accrued expenses and payables on the Consolidated Balance Sheet related to the fair value of the retained credit exposure for loans sold to FNMA under this program. The decrease in the liability over the past year is due to an improvement in the credit quality of the underlying portfolio, combined with a decrease in exposure as the portfolio continues to mature, and the repurchase of $660.1 million of loans from FNMA during the third quarter of 2013 that had been previously sold with servicing retained. The Company's commitment will expire in March 2039 based on the maturity of the loans sold with recourse. Losses sustained by the Company may be offset, or partially offset, by proceeds resulting from the disposition of the underlying mortgaged properties. Approval from FNMA is required for all transactions related to the liquidation of properties underlying the mortgages.
	Additionally, during the period from 1999 to 2002, residential mortgage loans were sold with recourse and credit enhancement features to FNMA and FHLMC. The remaining unpaid principal balance of these loans was $65.7 million and $83.0 million at December 31, 2013 and December 31, 2012, respectively, and the remaining maximum amount of credit exposure on these loans was $25.6 million and $29.9 million for the same periods. The Company has posted collateral in the amount of $0.9 million at December 31, 2013 and December 31, 2012 to be utilized for any losses incurred related to these loans.
	Commitments to Sell Loans
	The Company enters into forward contracts relating to its mortgage banking business to hedge the exposures from commitments to make new residential mortgage loans with existing customers and from mortgage loans classified as LHFS. These contracts mature in less than one year.
	Representation and Warranty Liability
	In the ordinary course of business, the Company sells residential loans on a non-recourse basis to certain government-sponsored entities ("GSEs") and private investors. In connection with these sales, the Company has entered into agreements containing various representations and warranties about, among other things, the ownership of the loans, the validity of the liens securing the loans, the loans' compliance with any applicable loan criteria established by the GSEs and the private investors, including underwriting standards and the ongoing existence of mortgage insurance, the absence of delinquent taxes or liens against the property securing the loans, and the loans' compliance with applicable federal, state and local laws. Breaches of these representations and warranties may require the Company to repurchase the mortgage loan or, if the loan has been foreclosed, the underlying collateral, or otherwise make whole or provide other remedies to the GSEs and private investors. The repurchase liability is recorded within Accrued expenses and payables on the Consolidated Balance Sheet, and the related income statement activity is recorded in Mortgage banking revenue on the Consolidated Statement of Operations. Management believes its repurchase reserve appropriately reflects the estimated probable losses on repurchase claims for all loans sold and outstanding as of December 31, 2013. In making these estimates, the Company considers the losses it expects to incur over the lives of the loans sold.
	NOTE 18. COMMITMENTS, CONTINGENCIES, AND GUARANTEES (continued)
	The activity in the representation and warranties reserves for the dates indicated was as follows:
		Year Ended December 31,
		2013			2012
		(in thousands)
	Beginning Balance	$	50,662		$	12,273
	Provision	20,685			52,240
	Recoveries	—			436
	Charge-offs	(16,511		)	(14,287		)
	Ending Balance	$	54,836		$	50,662
	Other Off-Balance Sheet Risk
	Other off-balance sheet risk stems from financial instruments that do not meet the definition of guarantees as specified in the applicable accounting guidance, and from other relationships which include items such as indemnifications provided in the ordinary course of business and intercompany guarantees.
	Restrictions on Cash and Amounts due from Depository Institutions
	The Bank is required to maintain certain average reserve balances as established by the Federal Reserve. The amounts of those reserve balances at December 31, 2013 and 2012 were $333.6 million and $273.8 million, respectively.
	As of December 31, 2013 and 2012, the Company had $97.4 million and $488.5 million of restricted cash primarily related to cash posted as collateral on derivative agreements and cash restricted for investment purposes.
	Litigation
	In the ordinary course of business, the Company and its subsidiaries are routinely parties to pending and threatened legal actions and proceedings, including class action claims. These actions and proceedings are generally based on alleged violations of consumer protection, securities, environmental, banking, employment and other laws. In some of these actions and proceedings, claims for substantial monetary damages are asserted against the Company and its subsidiaries. In the ordinary course of business, the Company and its subsidiaries are also subject to regulatory examinations, information-gathering requests, inquiries and investigations.
	In view of the inherent difficulty of predicting the outcome of such litigation and regulatory matters, particularly where the claimants seek very large or indeterminate damages or where the matters present novel legal theories or involve a large number of parties, the Company generally cannot predict the eventual outcome of the pending matters, the timing of the ultimate resolution of the matters, or the eventual loss, fines or penalties related to the matter. The Company does not presently anticipate that the ultimate aggregate liability, if any, arising out of such other legal proceedings will have a material effect on its financial position.
NOTE 18. COMMITMENTS, CONTINGENCIES, AND GUARANTEES (continued)
In accordance with applicable accounting guidance, the Company establishes an accrued liability for litigation and regulatory matters when those matters present loss contingencies that are both probable and estimable. In such cases, there may be an exposure to loss in excess of any amounts accrued. When a loss contingency is not both probable and estimable, the Company does not establish an accrued liability. As a litigation or regulatory matter develops, the Company, in conjunction with any outside counsel handling the matter, evaluates on an ongoing basis whether the matter presents a loss contingency that is probable and estimable, at which time an accrued liability is established with respect to such loss contingency. The Company continues to monitor the matter for further developments that could affect the amount of the accrued liability previously established. For certain legal matters in which the Company is involved, the Company is able to estimate a range of reasonably possible losses. For other matters for which a loss is probable or reasonably possible, such an estimate is not possible. Management currently estimates that it is reasonably possible that the Company could incur losses in an aggregate amount of up to approximately $50.0 million in excess of the accrued liability, if any, with it also being reasonably possible that the Company could incur no such losses in these matters. This estimated range of reasonably possible losses represents the estimate of possible losses over the life of such legal matters, which may span an indeterminable number of years, and is based on information available as of December 31, 2013.
The matters for which it is reasonably possible that the Company will incur a significant loss are described below. The Company may include in some of the descriptions of individual disclosed matters certain quantitative information related to the plaintiff's claim against the Company as alleged in the plaintiff's pleadings or other public filings or otherwise based on publicly available information. While information of this type may provide insight into the potential magnitude of a matter, it does not necessarily represent the Company's estimate of reasonably possible loss or its judgment as to any currently appropriate accrual. Refer to Note 14 for disclosure regarding the lawsuit filed by the Company against the IRS/United States.
M. Fabrikant & Sons, Inc. Bankruptcy Adversary Proceeding
In October 2007, the official committee of unsecured creditors of the debtors, M. Fabrikant & Sons, Inc. (“MFS”) and a related company, Fabrikant-Leer International, Ltd. (“FLI”) (collectively the "Debtors"), filed an adversary proceeding against Sovereign Precious Metals, LLC (“SPM”), a wholly-owned subsidiary of the Bank, and the Bank in the United States Bankruptcy Court for the Southern District of New York. The original complaint sought to avoid $22.0 million in obligations otherwise due to the Bank (and formerly SPM) with respect to gold consigned to the Debtors by the Bank. In addition, the complaint sought to recover over $9.8 million in payments made to the Bank by an affiliate of the Debtors. Several other financial institutions were named as defendants based upon other alleged fraudulent transfers.
On October 15, 2013, the Second Circuit Court of Appeals affirmed the judgment of the lower courts in dismissing several counts of the then-pending complaint. As a result, on November 27, 2013, the Debtors filed a fourth amended complaint in the proceeding. While the fourth amended complaint again seeks to recover over $9.8 million in affiliate payments to the Bank, the Debtors do not reassert the above described $22.0 million avoidance claims against the Bank and SPM. On January 8, 2014, the Bank filed an answer denying the allegations asserted in the fourth amended complaint. Discovery is proceeding.
NOTE 18. COMMITMENTS, CONTINGENCIES, AND GUARANTEES (continued)
Other Regulatory and Governmental Matters
Foreclosure Matters
On May 22, 2013, the Bank received a subpoena from the U.S. Attorney's Office for the Southern District of New York seeking information regarding claims for foreclosure expenses incurred in connection with the foreclosure of loans insured or guaranteed by FHA, FNMA or FHLMC. The Bank is cooperating with the investigation; however there can be no assurance that claims or litigation will not arise from this matter.
On April 13, 2011, the Bank consented to the issuance of a consent order by the Bank's previous primary federal banking regulator, the Office of Thrift Supervision (the “OTS”), as part of an interagency horizontal review of foreclosure practices at 14 mortgage servicers. Upon its conversion to a national bank on January 26, 2012, the Bank entered into a stipulation consenting to the issuance of a consent order (the "Order") by the OCC, which contains the same terms as the OTS consent order.
On January 7, 2013, the Bank and nine other mortgage servicing companies subject to enforcement actions for deficient practices in mortgage loan servicing and foreclosure processing reached an agreement in principle with the OCC and the Federal Reserve to make cash payments and provide other assistance to borrowers. On February 28, 2013, the agreements were finalized with all ten mortgage servicing companies, including the Bank. Other assistance includes reductions of principal on first and second liens, payments to assist with short sales, deficiency balance waivers on past foreclosures and short sales, and forbearance assistance for unemployed homeowners. As of January 24, 2013, twelve other mortgage servicing companies subject to enforcement action for deficient practices in mortgage loan servicing and foreclosure processes also reached an agreement with the OCC or the Federal Reserve, as applicable.
As a result of the agreement, the participating servicers, including the Bank, have ceased their independent foreclosure reviews, which involved case-by-case reviews, and replaced them with a broader framework allowing eligible borrowers to receive compensation in a more timely manner. This arrangement has not eliminated all of the Company's risks associated with foreclosures, since it does not protect the Bank from potential individual borrower claims, class actions lawsuits, actions by state attorneys general, or actions by the Department of Justice or other regulators. In addition, all of the other terms of the Order are still in effect.
Under the agreement, the Bank will pay $6.2 million into a remediation fund, the majority of which has been distributed to borrowers, and will engage in foreclosure avoidance activities, such as loan modifications and short sales, over the next two years in an aggregate principal amount of $9.9 million. In return, the OCC waived any civil money penalties that could have been assessed against the Bank. From January 7, 2013 through September 30, 2013, the Company submitted for credit from the OCC mortgage loans in the amount of $74.1 million, which represents the principal balance of mortgage loans for which the Bank completed foreclosure avoidance activities with the Bank's borrowers. As of December 31, 2013, the Bank had already far exceeded its requirements under the settlement agreement. The Company expects the OCC will require it to engage a consultant to validate that the submissions the Company has made to the OCC qualify as foreclosure avoidance activities under the terms of the agreement.
The Bank represents 0.17% of the total $9.3 billion settlement among the banks and is the smallest participant in the agreement. The total $16.1 million related to the remediation fund and mortgage modifications was fully reserved at December 31, 2012.
Identity Theft Protection Product Matter
The Bank has been in discussions to address concerns that some customers may have paid for but did not receive certain benefits of an identity theft protection product from a third-party vendor. The Bank remains in discussions with the third-party vendor on potential remedial actions to impacted customers. During 2013, fees expected to be returned to customers of $30.0 million were expensed within general and administrative expenses on the Consolidated Statement of Operations. As of December 31, 2013, $11.5 million of payments were returned to customers as the first phase of the remediation.
The Company's practice is to cooperate fully with regulatory and governmental investigations, audits and other inquiries, including those described above.
NOTE 18. COMMITMENTS, CONTINGENCIES, AND GUARANTEES (continued)
Leases
The Company is committed under various non-cancelable operating leases relating to branch facilities having initial or remaining terms in excess of one year. Renewal options exist for the majority of these lease agreements.
Future minimum annual rentals under non-cancelable operating leases and sale-leaseback leases, net of expected sublease income, at December 31, 2013, are summarized as follows:
	AT DECEMBER 31, 2013
	Lease			Future Minimum			Net
	Payments			Expected  Sublease			Payments
				Income
	(in thousands)
2014	$	106,471		$	(8,200	)	$	98,271
2015	99,889			(6,885		)	93,004
2016	89,858			(5,686		)	84,172
2017	78,824			(4,893		)	73,931
2018	61,712			(2,960		)	58,752
Thereafter	209,545			(6,601		)	202,944
Total	$	646,299		$	(35,225	)	$	611,074
The Company recorded rental expense of $126.4 million, $125.3 million and $132.3 million, net of $11.9 million, $12.4 million and $13.7 million of sublease income, in 2013, 2012 and 2011, respectively. These expenses are included in Occupancy and equipment expenses in the Consolidated Statement of Operations.

REGULATORY_MATTERS

REGULATORY MATTERS	12 Months Ended
	Dec. 31, 2013
Banking and Thrift [Abstract]	'
REGULATORY MATTERS	'
	REGULATORY MATTERS
	The Company is subject to the regulations of certain federal, state, and foreign agencies, and undergoes periodic examinations by such regulatory authorities.
	The minimum U.S. regulatory capital ratios for banks under Basel I are 4% for the Tier 1 risk-based capital ratio and 4% for the Tier 1 leverage capital ratio. To qualify as “well-capitalized,” regulators require banks to maintain capital ratios of at least 6% for the Tier 1 risk-based capital ratio, 10% for the total risk-based capital ratio, and 5% for the Tier 1 leverage capital ratio. At December 31, 2013 and 2012, the Bank met the well-capitalized capital ratio requirements.
	As a bank holding company, SHUSA is required to maintain a Tier 1 risk-based capital ratio of at least 4%, total risk-based capital ratio of at least 8%, and Tier 1 leverage capital ratio of at least 4%. The Company’s capital levels exceeded the ratios required for bank holding companies. The Company's ability to make capital distributions will depend on the Federal Reserve's accepting the Company's capital plan, the results of the stress tests described in this Form 10-K, and the Bank's capital status, as well as other supervisory factors.
	The Federal Deposit Insurance Corporation Improvement Act (“FDICIA”) established five capital tiers: well-capitalized, adequately-capitalized, undercapitalized, significantly undercapitalized and critically undercapitalized. A depository institution’s capital tier depends upon its capital levels in relation to various relevant capital measures, which include leverage and risk-based capital measures and certain other factors. Depository institutions that are not classified as well-capitalized or adequately-capitalized are subject to various restrictions regarding capital distributions, payment of management fees, acceptance of brokered deposits and other operating activities.
	NOTE 19. REGULATORY MATTERS (continued)
	Federal banking laws, regulations and policies also limit the Bank’s ability to pay dividends and make other distributions to the Company. The Bank must obtain prior OCC approval to declare a dividend or make any other capital distribution if, after that dividend or distribution: (1) the Bank’s total distributions to the Company within that calendar year would exceed 100% of its net income during the year plus retained net income for the prior two years; (2) the Bank would not meet capital levels imposed by the OCC in connection with any order, or (3) if the Bank is not adequately capitalized at the time. In addition, the OCC's prior approval would be required if the Bank’s examination or CRA ratings fall below certain levels or the Bank is notified by the OCC that it is a problem institution or an institution in troubled condition. The Bank must obtain the OCC's prior written approval to make any capital distribution until it has positive retained earnings.
	Any dividends declared and paid have the effect of reducing the Bank’s Tier 1 capital to average consolidated assets and risk-based capital ratios. There were no dividends declared or paid in 2013 or 2012. The Bank returned capital of $179.0 million and $184.0 million to SHUSA in 2013 and 2012, respectively.
	The following schedule summarizes the actual Basel I capital balances of the Bank and SHUSA at December 31, 2013 and 2012:
			REGULATORY CAPITAL
			Tier 1 Leverage			Tier 1 Risk-Based			Total Risk-Based			Tier 1 Common Capital Ratio(1)
			Capital Ratio			Capital Ratio			Capital Ratio
		($ in thousands)
	Santander Bank at December 31, 2013:
	Regulatory capital		$	8,390,428		$	8,390,428		$	9,550,558		$	8,390,428
	Capital ratio		12.09		%	13.96		%	15.89		%	13.96		%
	SHUSA at December 31, 2013 (2)(3):
	Regulatory capital		$	9,210,100		$	9,210,100		$	10,555,146		$	8,794,393
	Capital ratio		12.78		%	14.67		%	16.81		%	14.01		%
	Santander Bank at December 31, 2012:
	Regulatory capital		$	8,027,173		$	8,027,173		$	9,310,905		$	8,027,173
	Capital ratio		10.52		%	12.86		%	14.92		%	12.86		%
	SHUSA at December 31, 2012 (2):
	Regulatory capital		$	8,496,977		$	8,496,977		$	10,116,806		$	8,075,995
	Capital ratio		10.79		%	13.08		%	15.57		%	12.43		%
	-1	Ratio presented due to regulators emphasizing the Tier 1 common capital ratio in their evaluation of bank and BHC capital levels, although this metric is not provided for in bank regulations. For all BHCs undergoing its Comprehensive Capital Analysis and Review, the Federal Reserve has established a 5% minimum Tier 1 common capital ratio under stress scenarios.
	-2	Ratios have been determined using SHUSA's current accounting method for SCUSA as an equity method investment.
	-3	The consolidation of SCUSA (as described in Note 6) will have an impact to SHUSA's regulatory capital ratios during the first quarter.

RELATED_PARTY_TRANSACTIONS

RELATED PARTY TRANSACTIONS	12 Months Ended
	Dec. 31, 2013
Related Party Transactions [Abstract]	'
RELATED PARTY TRANSACTIONS	'
	RELATED PARTY TRANSACTIONS
	The parties related to the Company are deemed to include, in addition to its subsidiaries, jointly controlled entities, the Bank’s key management personnel (the members of its Board of Directors and certain officers at the level of executive vice president or above, together with their close family members) and the entities over which the key management personnel may exercise significant influence or control. Each of the agreements was made in the ordinary course of business and on market terms.
	See Note 10 to the Consolidated Financial Statements for a description of the various debt agreements SHUSA has with Santander.
	In December 2011, the Company issued 3.2 million shares of common stock to Santander, which raised proceeds of $800.0 million, and declared an $800.0 million dividend to Santander. This was a non-cash transaction.
	NOTE 20. RELATED PARTY TRANSACTIONS (continued)
	In March 2010, the Company issued a $750 million subordinated note to Santander, which matures in March 2020. This subordinated note bears interest at 5.75% until March 2015 and then bears interest at 6.25% until maturity. SHUSA paid Santander approximately $43.1 million in interest in 2013, 2012, and 2011, respectively. This note was subsequently converted to common stock in February 2014.
	The Company has $2.0 billion of public securities consisting of various senior note obligations, trust preferred security obligations and preferred stock issuances. Santander owned approximately 6.0% of the outstanding principal of these securities as of December 31, 2013.
	The Company has entered into derivative agreements with Santander and Abbey National Treasury Services PLC, a subsidiary of Santander, which consist primarily of swap agreements to hedge interest rate risk and foreign currency exposure. These contracts had notional values of $2.7 billion and $3.9 billion, respectively, as of December 31, 2013, compared to $3.8 billion and $2.4 billion, respectively, as of December 31, 2012.
	In 2006, Santander provided confirmation of standby letters of credit issued by the Bank. During the years-ended December 31, 2013 and 2012, the average unfunded balance outstanding under these commitments was $34.8 million and $330.7 million, respectively. The Bank paid approximately $0.3 million in fees to Santander in the year ended December 31, 2013 in connection with these commitments, compared to $2.5 million in fees in the year-ended December 31, 2012 and $10.5 million in the year ended December 31, 2011.
	SHUSA has a $500 million line of credit with Santander that was initiated in November 2012. There was no activity in 2013 related to this line of credit.
	During the year ended December 31, 2013, the Company paid $2.5 million in rental payments to Santander compared to $0.9 million in 2012. There were no material rental payments made in connection with this agreement in 2011.
	In the ordinary course of business, we may provide loans to our executive officers, directors, and principal stockholders, also known as Regulations O insiders. Pursuant to our policy, such loans are issued on the same terms as those prevailing at the time for comparable loans to unrelated persons and do not involve more than the normal risk of collectability. As permitted by Regulation O, certain mortgage loans to directors and executive officers of the Company and the Bank, including the Company's executive officers, are priced at up to a 1.0% discount to market and require no application fee, but contain no other terms than terms available in comparable transactions with non-employees. The 1.0% discount is discontinued when an employee terminates his or her employment with the Company or the Bank. The outstanding balance of these loans was $9.6 million and $6.5 million at December 31, 2013 and December 31, 2012, respectively.
	The Company and its affiliates entered into or were subject to various service agreements with Santander and its affiliates. Each of the agreements was done in the ordinary course of business and on market terms. Those agreements include the following:
	•	NW Services Co., a Santander affiliate doing business as Aquanima, is under contract with the Bank to provide procurement services, with fees paid in 2013 in the amount of $3.3 million in 2013, $3.7 million in 2012 and $3.4 million in 2011. There were no payables in connection with this agreement in the years ended 2013 and 2012. The fees related to this agreement are recorded in Outside services in the Consolidated Statement of Operations.
	•	Geoban, S.A., a Santander affiliate, is under contract with the Bank to provide administrative services, consulting and professional services, application support and back-office services, including debit card disputes and claims support, and consumer and mortgage loan set-up and review, with total fees paid in 2013 in the amount of $15.7 million, $17.2 million in 2012 and $15.3 million in 2011. In addition, as of December 31, 2013 and December 31, 2012, the Company had payables with Geoban, S.A. in the amounts of $0.7 million and $2.3 million, respectively. The fees related to this agreement are recorded in Outside services in the Consolidated Statement of Operations.
	NOTE 20. RELATED PARTY TRANSACTIONS (continued)
	•	Ingenieria De Software Bancario S.L., a Santander affiliate, is under contract with the Bank to provide information technology development, support and administration, with fees paid in 2013 in the amount of $125.8 million, $137.1 million in 2012 and $113.7 million in 2011. In addition, as of December 31, 2013 and December 31, 2012, the Company had payables with Ingenieria De Software Bancario S.L. in the amounts of $31.4 million and $27.9 million, respectively. The fees related to this agreement are capitalized in Premises and equipment on the Consolidated Balance Sheet.
	•	Produban Servicios Informaticos Generales S.L., a Santander affiliate, is under contract with the Bank to provide professional services, and administration and support of information technology production systems, telecommunications and internal/external applications, with fees paid in 2013 in the amount of $93.9 million, $101.3 million in 2012 and $82.6 million in 2011. In addition, as of December 31, 2013 and December 31, 2012, the Company had payables with Produban Servicios Informaticos Generales S.L. in the amounts of $1.2 million and $5.3 million, respectively. The fees related to this agreement are recorded in Occupancy and equipment expenses and Technology expense in the Consolidated Statement of Operations.
	•	Santander Back-Offices Globales Mayoristas S.A., a Santander affiliate, is under contract with the Bank to provide administrative services and back-office support for the Bank’s derivative, foreign exchange and hedging transactions and programs. Fees in the amount of $0.4 million were paid to Santander Back-Offices Globales Mayoristas S.A. with respect to this agreement in 2013, 2012, and 2011. There were no payables in connection with this agreement in 2013 or 2012. The fees related to this agreement are recorded in Outside services in the Consolidated Statement of Operations.
	•	Santander Global Facilities (“SGF”), a Santander affiliate, is under contracts with the Bank to provide (i) administration and management of employee benefits and payroll functions for the Bank and other affiliates, including employee benefits and payroll processing services provided by third-party vendors through sponsorship by SGF, and (ii) property management and related services. In 2013, fees in the amount of $11.6 million were paid to SGF with respect to this agreement, compared to $11.0 million in 2012 and $10.8 million in 2011. There were no payables in connection with this agreement in 2013 or 2012. The fees related to this agreement are recorded in Outside services in the Consolidated Statement of Operations.
	•	Santander Securities LLC, a Santander affiliate, entered into a contract with the Bank as of April 2012 to provide integrated services and conduct broker-dealer activities and insurance services. Santander Securities collects amounts due from customers on behalf of the Bank and remits the amounts net of fees. As of December 31, 2013, the Company had receivables with Santander Securities in the amount of $3.7 million, compared to $3.9 million in 2012, which are recorded within Other assets on the Consolidated Balance Sheet. Fees recognized related to this agreement were $49.5 million for the year-ended December 31, 2013, compared to $8.3 million in 2012, which are recorded within Consumer fees in the Consolidated Statement of Operations. Fees incurred in 2013 were $0.2 million, compared to $3.3 million in 2012. There were no fees paid or receivables related to this agreement in 2011. There were no payables in connection with this agreement in 2013 or 2012.
	•	During the years ended December 31, 2013, 2012, and 2011, the Company recorded expenses of $10.8 million, $27.2 million, and $39.8 million, respectively, related to transactions with SCUSA, which are recorded within Loan expense on the Consolidated Statement of Operations. In addition, as of December 31, 2013 and 2012, the Company had receivables and prepaid expenses with SCUSA in the amounts of $39.0 million and $59.2 million, respectively, which are recorded within Other assets on the Consolidated Balance Sheet, and payables to SCUSA in the amounts of $3.0 million and $4.5 million, respectively, which are recorded within Accrued expenses and payables on the Consolidated Balance Sheet. The activity is primarily related to SCUSA's servicing of certain outstanding Bank loan portfolios and dividends paid by SCUSA to SHUSA.
	On June 28, 2013, the Bank entered into a servicing and sourcing agreement with SCUSA for Chrysler dealer lending opportunities, under which SCUSA provides servicing on loans originated by the Bank. On August 16, 2013, the Company purchased performing dealer loans with an outstanding balance of $204.8 million from SCUSA, which have been classified as commercial and industrial loans.
	On February 4, 2014, the Bank entered into a flow agreement with SCUSA under which the Bank has the first right to review and approve Chrysler Capital consumer vehicle lease applications. SCUSA will provide servicing and receive an origination fee on all leases originated under this agreement.

PARENT_COMPANY_FINANCIAL_INFOR

PARENT COMPANY FINANCIAL INFORMATION	12 Months Ended
	Dec. 31, 2013
Condensed Financial Information of Parent Company Only Disclosure [Abstract]	'
PARENT COMPANY FINANCIAL INFORMATION	'
	PARENT COMPANY FINANCIAL INFORMATION
	Condensed financial information of the parent company is as follows:
	BALANCE SHEETS
			AT DECEMBER 31,
			2013			2012
			(in thousands)
	Assets
	Cash and cash equivalents		$	295,031		$	332,821
	Available-for-sale investment securities		39,382			39,382
	Loans to non-bank subsidiaries		—			—
	Investment in subsidiaries:
	Bank subsidiary		8,450,766			8,697,439
	Non-bank subsidiaries		4,519,452			4,325,650
	Equity method investments		2,961,938			2,701,426
	Other assets		294,905			257,045
	Total assets		$	16,561,474		$	16,353,763
	Liabilities and stockholder's equity
	Borrowings and other debt obligations		$	2,589,503		$	2,568,422
	Borrowings from non-bank subsidiaries		138,495			137,600
	Other liabilities		288,493			405,739
	Total liabilities		3,016,491			3,111,761
	Stockholder's equity		13,544,983			13,242,002
	Total liabilities and stockholder's equity		$	16,561,474		$	16,353,763
	NOTE 21. PARENT COMPANY FINANCIAL INFORMATION (continued)
	STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME
			YEAR ENDED DECEMBER 31,
			2013			2012			2011
			(in thousands)
	Dividends from bank subsidiary		$	—		$	148,747		$	—
	Dividends from non-bank subsidiaries		—			35,253			425,762
	Interest income		3,365			2,749			3,676
	Income from equity method investments (1)		449,357			444,326			982,913
	Other income		2,009			2,018			677
	Total income		454,731			633,093			1,413,028
	Interest expense		161,812			162,659			148,937
	Other expense		44,678			344,019			376,092
	Total expense		206,490			506,678			525,029
	Income before income taxes and equity in earnings of subsidiaries		248,241			126,415			887,999
	Income tax provision/(benefit)		54,235			(177,105		)	307,412
	Income before equity in earnings of subsidiaries		194,006			303,520			580,587
	Equity in undistributed earnings of:
	Bank subsidiary		344,994			203,735			316,934
	Non-bank subsidiaries		89,103			53,980			360,725
	Net income		628,103			561,235			1,258,246
	Other comprehensive income, net of tax:
	Net unrealized gains/(losses) on cash flow hedge derivative financial instruments		39,751			28,822			(2,744		)
	Net unrealized (losses)/gains recognized on investment securities		(359,616		)	72,471			188,720
	Amortization of defined benefit plans		11,163			(241		)	(10,000		)
	Total other comprehensive (loss)/income		(308,702		)	101,052			175,976
	Comprehensive income		$	319,401		$	662,287		$	1,434,222
	-1	In the year ended December 31, 2011, a pre-tax gain of $987.7 million was recognized in Other income related to the SCUSA Transaction and an equity method investment of $2.65 billion was recognized in Other assets.
	NOTE 21. PARENT COMPANY FINANCIAL INFORMATION (continued)
	STATEMENT OF CASH FLOWS
			FOR THE YEAR ENDED DECEMBER 31
			2013			2012			2011
			(in thousands)
	CASH FLOWS FROM OPERATING ACTIVITIES:
	Net income		$	628,103		$	561,235		$	1,258,246
	Adjustments to reconcile net income to net cash (paid in)/provided by operating activities:
	Undistributed earnings of:
	Bank subsidiary		(344,994		)	(203,735		)	(316,934		)
	Non-bank subsidiaries		(89,103		)	(53,980		)	(360,725		)
	Stock based compensation expense		2,057			3,720			4,054
Remittance to Santander for stock based compensation		(3,877		)	(5,568		)	(4,333		)
Equity earnings from equity method investments		(449,357		)	(444,326		)	(987,650		)
Dividends from equity method investments		188,661			477,502			—
Net change in other assets and other liabilities		(152,575		)	(87,677		)	550,541
Net cash (paid in)/provided by operating activities		(221,085		)	247,171			143,199
CASH FLOWS FROM INVESTING ACTIVITIES:
Net capital returned from/(contributed to) subsidiaries		178,266			(1,765		)	806,094
Net (increase)/decrease in loans to subsidiaries		—			2,000			8,000
Cash paid related to the SCUSA Transaction		—			—			(10,000		)
Net cash provided by / (used in) investing activities		178,266			235			804,094
CASH FLOWS FROM FINANCIAL ACTIVITIES:
Repayment of other debt obligations		(481,267		)	(764,383		)	(463,740		)
Net proceeds received from senior notes and senior credit facility		500,000			598,242			500,000
Net change in commercial paper		—			(18,090		)	(951,502		)
Net change in borrowings		896			995			566
Dividends to preferred stockholders		(14,600		)	(14,600		)	(14,600		)
Dividends to non-controlling interest		—			—			(39,552		)
Net proceeds from the issuance of preferred stock		—			—			—
Net cash provided by/(used in) financing activities		5,029			(197,836		)	(968,828		)
(Decrease)/Increase in cash and cash equivalents		(37,790		)	49,570			(21,535		)
Cash and cash equivalents at beginning of period		332,821			283,251			304,786
Cash and cash equivalents at end of period		$	295,031		$	332,821		$	283,251

BUSINESS_SEGMENT_INFORMATION

BUSINESS SEGMENT INFORMATION	12 Months Ended
	Dec. 31, 2013
Segment Reporting [Abstract]	'
BUSINESS SEGMENT INFORMATION	'
	BUSINESS SEGMENT INFORMATION
	The Company’s reportable segments, excluding its investment in SCUSA, are focused principally around the customers the Bank serves. The Company has identified the following reportable segments:
	•	The Retail Banking segment is primarily comprised of branch locations and residential mortgage business. The branches are responsible for attracting deposits through a variety of demand and negotiable order of withdrawal ("NOW") accounts, money market and savings accounts, CDs and retirement savings products. The branch locations also offer consumer loans such as home equity loans and lines of credit, as well as business banking and small business loans to individuals. Santander Universities, which provides grants and scholarships to universities and colleges around the globe as a way to foster education through research, innovation and entrepreneurship is the last component of the retail banking segment.
	•	The Auto Finance & Alliances segment currently provides indirect and direct consumer loans, as well as wholesale loans to dealers. The customers in this segment are high quality, multi-franchise dealers.
	•	The Investment Services segment offers annuities, mutual funds, managed monies, insurance products and acts as an investment brokerage agent to the customers of the Retail reporting unit. Currently, annuities comprise the majority of the assets under management.
	•	The Real Estate & Commercial Banking segment offers commercial real estate loans, multi-family loans, commercial loans, and the Bank's related commercial deposits.
	•	The Specialty & Government Banking segment provides financing and deposits for government entities and provides niche product financing for specific industries, including oil and gas, commercial equipment financing, and mortgage warehousing, among others.
	•	The GBM & Large Corporate Banking segment serves the need of global commercial and institutional customers by leveraging the international footprint of Santander Group.
	•	The Non-Strategic Assets segment is primarily comprised of non-strategic lending groups, which include runoff of indirect legacy automobile, aviation and continuing care retirement community portfolios.
	•	SCUSA is a specialized consumer finance company engaged in the purchase, securitization, and servicing of retail installment contracts originated by automobile dealers and direct origination of retail installment contracts over the internet. As of December 31, 2013, the Company owned approximately 65% of SCUSA. The Company's investment balance in SCUSA for the year ended December 31, 2013 was $2.9 billion, compared to $2.7 billion for 2012.
	The Other category includes earnings from the investment portfolio, interest expense on the Bank’s borrowings and other debt obligations, amortization of intangible assets and certain unallocated corporate income and indirect expenses.
	The Company’s segment results, excluding SCUSA, are derived from the Company’s business unit profitability reporting system by specifically attributing managed balance sheet assets, deposits and other liabilities and their related interest income or expense to each of the segments. Funds transfer pricing methodologies are utilized to allocate a cost for funds used or a credit for funds provided to business line deposits, loans and selected other assets using a matched funding concept.
	Other income and expenses are directly managed by each business line, including fees, service charges, salaries and benefits, and other direct expenses, as well as certain allocated corporate expenses, and are accounted for within each segment’s financial results. Accounting policies for the lines of business are the same as those used in preparation of the consolidated financial statements with respect to activities specifically attributable to each business line. However, the preparation of business line results requires management to establish methodologies to allocate funding costs and benefits, expenses and other financial elements to each line of business. Where practical, the results are adjusted to present consistent methodologies for the segments.
	NOTE 22. BUSINESS SEGMENT INFORMATION (continued)
	The application and development of management reporting methodologies is a dynamic process and is subject to periodic enhancements. The implementation of these enhancements to the internal management reporting methodology may materially affect the results disclosed for each segment, with no impact on the consolidated results. Whenever significant changes to management reporting methodologies take place, prior period information is reclassified wherever practicable.
	During the first quarter of 2013, internal funds transfer pricing ("FTP") guidelines and methodologies were revised to align with Santander corporate criteria for internal management reporting. This change included implementation of contract-level liquidity premium methodology replacing the weighted average life method assumptions used in 2012 for internal management reporting. These changes in internal FTP guidelines and methodologies impact all reporting segments. However, the impact varies based on the segment's product portfolio composition.
	During the third quarter of 2013, certain management and business line changes were announced which were effective for reporting purposes during the fourth quarter. Accordingly, the following changes were made within the Company's reportable segments to provide greater focus on each of its core businesses:
	•	New originations in the Auto Finance & Alliances business, previously under the Retail Banking reportable segment, are now part of the Auto Finance & Alliances reportable segment.
	•	Previously under the Retail Banking reportable segment, Investment Services is now a separate reportable segment.
	•	Santander Universities, previously included in the Other category, is now part of the Retail Banking reportable segment.
	•	Previously under the Corporate Banking reportable segment, Real Estate & Commercial Banking and Specialty & Government Banking are now separate reportable segments.
	Excluding the FTP change in the first quarter of 2013, prior period results have been recast to conform to the new composition of the reportable segments. Due to system constraints, the FTP change is not able to be recast.
	The following tables present certain information regarding the Company’s segments. All balances are presented in thousands.
	For the Year Ended							Investment Services			Real Estate & Commercial Banking
	December 31, 2013	Retail Banking			Auto Finance & Alliances									Specialty & Government Banking			GBM & Large Corporate Banking			Non-Strategic Assets			Other(2)			Equity method investment in SCUSA			Total
	Net interest income	$	759,103		$	17,849		$	5		$	401,097		$	93,492		$	164,790		$	26,338		$	51,097		$	—		$	1,513,771
	Total non-interest income	344,094			867			49,330			104,993			15,257			81,670			10,063			28,652			453,157			1,088,083
	Provision for credit losses	148,162			1,892			—			(49,650		)	2,453			(893		)	(11,939		)	(43,175		)	—			46,850
	Total expenses	861,380			6,132			35,078			154,789			31,168			56,884			33,802			587,368			—			1,766,601
	Income/(loss) before income taxes	93,655			10,692			14,257			400,951			75,128			190,469			14,538			(464,444		)	453,157			788,403
	Intersegment (expense)/revenue(1)	115,248			(3,755		)	5			(381,907		)	(3,358		)	(48,247		)	(26,150		)	348,164			—			—
	Total average assets	$	19,570,351		$	772,851		$	1,455		$	20,060,250		$	2,760,241		$	8,150,883		$	878,976		$	27,632,641		$	—		$	79,827,648
	NOTE 22. BUSINESS SEGMENT INFORMATION (continued)
	For the Year Ended							Investment Services			Real Estate & Commercial Banking
	December 31, 2012	Retail Banking(3)			Auto Finance & Alliances									Specialty & Government Banking			GBM & Large Corporate Banking			Non-Strategic Assets			Other(2)			Equity method investment in SCUSA				Total
	Net interest income	$	716,252		$	15,238		$	3		$	408,188		$	90,854		$	136,989		$	40,798		$	265,801		$	—	1,674,123,000		$	1,674,123
	Total non-interest income	366,930			998			44,693			72,185			11,900			60,985			14,131			120,202			447,572		1,139,596,000		1,139,596
	Provision for credit losses	271,926			(537		)	—			(7,776		)	(3,832		)	14,983			765			117,271			—		392,800,000		392,800
	Total expenses	831,970			2,130			32,335			130,833			25,249			48,585			27,729			867,301			—				1,966,132
	Income/(loss) before income taxes	(20,714		)	14,643			12,361			357,316			81,337			134,406			26,435			(598,569		)	447,572		454,787,000		454,787
	Intersegment (expense)/revenue(1)	(21,292		)	(6,906		)	3			(433,033		)	(377		)	(58,428		)	(53,291		)	573,324			—				—
	Total average assets(4)	$	21,996,224		$	836,082		$	127		$	19,720,608		$	2,204,482		$	7,529,074		$	1,491,259		$	29,266,820		$	—			$	83,044,676
	For the Year Ended							Investment Services			Real Estate & Commercial Banking
	December 31, 2011	Retail Banking(6)			Auto Finance & Alliances									Specialty & Government Banking			GBM & Large Corporate Banking			Non-Strategic Assets			Other(2)(7)			Equity method investment in SCUSA			Total
	Net interest income	$	726,718		$	18,633		$	4		$	330,887		$	78,009		$	88,021		$	55,643		$	381,584		$	2,185,315		$	3,864,814
	Total non-interest income	395,554			1,189			5,083			62,708			12,460			43,460			16,490			1,004,354			440,525			1,981,823
	Provision for credit losses(5)	225,916			1,103			—			175,458			1,128			24,151			73,158			(184		)	819,221			1,319,951
	Total expenses	789,731			985			26,179			121,354			14,992			16,536			27,700			808,297			554,387			2,360,161
	Income/(loss) before income taxes	106,625			17,734			(21,092		)	96,783			74,349			90,794			(28,725		)	577,825			1,252,232			2,166,525
	Intersegment (expense)/revenue(1)	(47,371		)	(4,973		)	4			(556,961		)	(6,337		)	(19,382		)	(109,328		)	744,348			—			—
	Total average assets(4)	$	21,941,330		$	755,114		$	24		$	19,594,169		$	1,954,356		$	4,843,020		$	2,545,113		$	24,629,528		$	15,815,394		$	92,078,048
	(1)	Intersegment revenue/(expense) represents charges or credits for funds used or provided by each of the segments and are included in net interest income.
	(2)	Other is not considered a segment and includes earnings from the investment portfolio, interest expense on the Bank’s borrowings and other debt obligations, amortization of intangible assets and certain unallocated corporate income and indirect expenses.
	(3)	Income/(loss) before income taxes reflects the impact of two main items, Chapter 7 bankruptcy loans described in Note 4 and GSE reserves that have been fully allocated to the Retail Banking reportable segment.
	(4)	Average assets for Other in 2012 includes a full year of equity investment in SCUSA, while average assets in 2011 only included one day of the investment.
	(5)	In certain circumstances, specific valuation allowances ("SVAs") were permitted to be used instead of partial charge-offs by the OTS, the Company's former regulator. The OCC does not permit the establishment of SVAs. Accordingly, the Bank charged off $103.7 million of mortgage loans during the third quarter of 2011. These charge-offs did not have an impact on the results of operations for the segment or in consolidation.
	(6)	The Retail Banking segment fees and other income includes residential servicing rights impairments of $42.5 million for 2011.
	(7)	In 2011, fees and other income in the Other category included a $987.7 million gain related to the SCUSA Transaction.

BASIS_OF_PRESENTATION_AND_ACCO1

BASIS OF PRESENTATION AND ACCOUNTING POLICIES (Policies)	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
Basis of Presentation	'
	Basis of Presentation
	These consolidated financial statements include the accounts of the Company and its subsidiaries, including its principal subsidiary, the Bank, and have been prepared by the Company pursuant to the rules and regulations of the SEC.
	All intercompany balances and transactions have been eliminated in consolidation.
	The accounting and financial reporting policies of the Company and its subsidiaries conform to accounting principles generally accepted in the U.S. ("GAAP"). Where applicable, the policies conform to the accounting and reporting guidelines prescribed by bank regulatory authorities. However, in the opinion of management, the accompanying consolidated financial statements reflect all adjustments of a normal and recurring nature necessary to present fairly the Consolidated Balance Sheets, Statements of Operations, Comprehensive Income, Stockholder's Equity and Cash Flows for the periods indicated, and contain adequate disclosure to make the information presented not misleading.
Reclassification and other corrections	'
	Reclassifications and other corrections
	Certain prior-year amounts have been reclassified to conform to the current year presentation. These reclassifications did not have a material impact on our consolidated financial condition or results of operations.
	In the fourth quarter of 2012, the Company reclassified amounts presented in the December 31, 2011 Consolidated Statement of Operations and Cash Flows of $987.7 million related to the gain recognized from the SCUSA Transaction. This amount was reclassified from "SCUSA Transaction" to "Income/(expense) from equity method investments" in the Consolidated Statements of Operations and from "Gain recognized due to SCUSA Transaction" to "Equity earnings from equity method investments" in the Consolidated Statement of Cash Flows. This reclassification had no effect on any other consolidated financial statement.
	The Company reclassified amounts related to equity investments of $14.8 million for the year ended December 31, 2011 in the Consolidated Statement of Operations and Cash Flows. The amount was reclassified from "Equity method investments" within "Other expenses" to "Income/(expense) from equity method investments" within "Total fees and other income" in the Consolidated Statement of Operations and from "Net change in other assets and bank owned life insurance" to "Equity earnings from equity method investments" in the Consolidated Statement of Cash Flows. This reclassification had no effect on any other consolidated financial statement.
	The Company reclassified amounts related to capital markets revenue in the amounts of $8.6 million for the year ended December 31, 2011 in the Consolidated Statement of Operations. The amount was reclassified from "Miscellaneous income" to "Capital markets revenue/(expense)." This reclassification had no effect on any other consolidated financial statement.
	The Company reclassified amounts related to the change in fair value of loans held for investment in the amounts of $12.1 million for the year ended December 31, 2011 in the Consolidated Statement of Cash Flows. The amount was reclassified from "Originations of loans held-for-sale, net of repayments" to "Other." This reclassific
Consolidation	'
	Consolidation
	The consolidated financial statements include voting rights entities in which the Company has a controlling financial interest. In accordance with the applicable accounting guidance for consolidations, the Company consolidates a variable interest entity (“VIE”) if the Company is considered to be the primary beneficiary because it has: (i) a variable interest in the entity; (ii) the power to direct activities of the VIE that most significantly impact the entity's economic performance; and (iii) the obligation to absorb losses of the entity or the right to receive benefits from the entity that could potentially be significant to the VIE. Variable interests can include equity interests, subordinated debt, derivative contracts, leases, service agreements, guarantees, standby letters of credit, loan commitments, and other contracts, agreements and financial instruments. See Note 6 for information on the Company's involvement with VIEs.
	The Company uses the equity method to account for unconsolidated investments in voting rights entities or VIEs if the Company has influence over the entity's operating and financing decisions but does not maintain a controlling financial interest. Unconsolidated investments in voting rights entities or VIEs in which the Company has a voting or economic interest of less than 20% generally are carried at cost. These investments are included in "Equity method investments" on the Consolidated Balance Sheet, and the Company's proportionate share of income or loss is included in "Equity Method Investments" within the Consolidated Statements of Operations.
	In July 2009, Santander contributed SCUSA, a majority-owned subsidiary, to the Company. SCUSA's results of operations were consolidated by the Company from January 2009 until December 31, 2011. On December 31, 2011, the Company deconsolidated SCUSA as a result of certain agreements with third-party investors entered into during the fourth quarter of 2011 (“SCUSA Transaction”). The SCUSA Transaction reduced the Company's ownership interest and its power to direct the activities that most significantly impact SCUSA's economic performance so that SHUSA no longer has a controlling interest in SCUSA. Accordingly, SCUSA is accounted for as an equity method investment. Refer to Note 6 to the Consolidated Financial Statements to for additional information.
Business Combinations	'
	Business Combinations
	The Company records the net assets of companies that are acquired at their estimated fair value at the date of acquisition, and includes the results of operations of the acquired companies in the Consolidated Statement of Operations from the date of acquisition. The Company recognizes, as goodwill, the excess of the acquisition price over the estimated fair value of the net assets acquired.
Use of Estimates	'
	Use of Estimates
	The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. The most significant estimates pertain to consolidation, fair value measurements, allowance for loan losses and reserve for unfunded lending commitments, goodwill, derivatives and hedge activities, and income taxes. Actual results may differ from the estimates, and the differences may be material to the consolidated financial statements.
Subsequent Events	'
	Subsequent Events
	All material events that occurred after the date of the consolidated financial statements and before the consolidated financial statements were issued have been either recognized in the consolidated financial statements or disclosed in the Notes to the Consolidated Financial Statements.
	The Company evaluated events from the date of the consolidated financial statements on December 31, 2013 through the issuance of those consolidated financial statements included in this Annual Report on Form 10-K.
Revenue Recognition	'
	Revenue Recognition
	The Company earns interest and non-interest income from various sources, including:
	•	Lending
	•	Investment securities
	•	Customer deposit fees
	•	Bank owned life insurance ("BOLI")
	•	Loan sales and servicing
	•	Securities and derivatives trading activities, including foreign exchange
	The principal source of revenue is interest income from loans and investment securities. Interest income is recognized on an accrual basis primarily according to non-discretionary formulas in written contracts, such as loan agreements or securities contracts. Revenue earned on interest-earning assets including unearned income and the accretion of discounts recognized on acquired or purchased loans is recognized based on the constant effective yield of such interest-earning assets.
	Gains or losses on sales of investment securities are recognized on the trade date.
	The Company recognizes revenue from servicing commercial mortgages and consumer loans as earned. Mortgage banking revenue/(expense) include fees associated with servicing loans for third parties based on the specific contractual terms, as well as amortization (for 2011 only) and changes in the fair value of mortgage servicing rights (“MSRs”). Gains or losses on sales of residential mortgage, multi-family and home equity loans are included within mortgage banking revenues and are recognized when the sale is complete.
	Service charges on deposit accounts are recognized when earned.
	Income from BOLI represents increases in the cash surrender value of the policies, as well as insurance proceeds and interest.
Fair Value Measurements	'
	Fair Value Measurements
	The Company values assets and liabilities based on the principal market in which each would be sold (in the case of assets) or transferred (in the case of liabilities). The principal market is the forum with the greatest volume and level of activity. In the absence of a principal market, valuation is based on the most advantageous market. In the absence of observable market transactions, the Company considers liquidity valuation adjustments to reflect the uncertainty in pricing the instruments. The fair value of a financial asset is measured on a stand-alone basis and cannot be measured as a group, with the exception of certain financial instruments held and managed on a net portfolio basis. In measuring the fair value of a nonfinancial asset, the Company assumes the highest and best use of the asset by a market participant - not just the intended use - to maximize the value of the asset. The Company also considers whether any credit valuation adjustments are necessary based on the counterparty's credit quality.
	When measuring the fair value of a liability, the Company assumes that the transfer will not affect the nonperformance risk associated with the liability. The Company considers the effect of the credit risk on the fair value for any period in which fair value is measured. There are three acceptable techniques for measuring fair value: the market approach, the income approach and the cost approach. Selecting the appropriate technique for valuing a particular asset or liability depends on the exit price of the asset or liability being valued, and how a market participant would value the same asset or liability. Ultimately, selecting the appropriate valuation method requires significant judgment.
	Valuation inputs refer to the assumptions market participants would use in pricing a given asset or liability. Inputs can be observable or unobservable. Observable inputs are assumptions based on market data obtained from an independent source. Unobservable inputs are assumptions based on the Company's own information or assessment of assumptions used by other market participants in pricing the asset or liability. The unobservable inputs are based on the best and most current information available on the measurement date.
Cash and Cash Equivalents	'
	Cash and Cash Equivalents
	Cash and cash equivalents include cash and amounts due from depository institutions, interest-bearing deposits in other banks, federal funds sold, and securities purchased under agreements to resell. Cash and cash equivalents have maturities of three months or less, and, accordingly, the carrying amount of these instruments is deemed to be a reasonable estimate of fair value.
	The Company also maintains restricted cash primarily related to cash posted as collateral related to derivative agreements and cash restricted for investment purposes.
Investment Securities and Other Investments	'
	Investment Securities and Other Investments
	Investment securities that the Company has the intent and ability to hold to maturity are classified as held-to-maturity and reported at amortized cost. Securities expected to be held for an indefinite period of time are classified as available-for-sale and are carried at fair value, with temporary unrealized gains and losses reported as a component of accumulated other comprehensive income within stockholder's equity, net of estimated income taxes.
	Available-for-sale and held-to-maturity securities are reviewed quarterly for possible other-than-temporary impairment (“OTTI”). We conduct a comprehensive security-level impairment assessment quarterly on all securities in an unrealized loss position to determine whether the loss represents OTTI. Our assessment considers the security structure, recent security collateral performance metrics, external credit ratings, failure of the issuer to make scheduled interest or principal payments, our judgment and expectations of future performance, and relevant independent industry research, analysis and forecasts. We also consider the severity of the impairment in our assessment. In the event of a credit loss, the credit component of the impairment is recognized within non-interest income, and the non-credit component is recognized through accumulated other comprehensive income.
	Realized gains and losses on sales of investments securities are included in earnings as part of non-interest income.
	Other investments include the Company's investment in the stock of the Federal Home Loan Bank ("FHLB") of New York, Pittsburgh and Boston and debentures of FHLB, the Federal National Mortgage Association (“FNMA”), and the Federal Home Loan Mortgage Corporation (“FHLMC”). Although FHLB stock is an equity interest in an FHLB, it does not have a readily determinable fair value, because its ownership is restricted and it is not readily marketable. FHLB stock can be sold back only at its par value of $100 per share and only to FHLBs or to another member institution. Accordingly, FHLB stock is carried at cost. The Company evaluates this investment for impairment on the ultimate recoverability of the par value rather than by recognizing temporary declines in value.
Loans held for investment	'
	Certain loans acquired that result in recognition of a discount attributable, at least in part, to credit quality, and are not subsequently accounted for at fair value, are accounted for under the receivable topic of the FASB Accounting Standards Codification Section 310-30, “Loans and Debt Securities Acquired with Deteriorated Credit Quality.” The excess of the estimated undiscounted principal, interest and other cash flows expected to be collected over the initial investment in the acquired loans is amortized to interest income over the expected life of the loans through the effective interest rate method. The amount amortized for the acquired loan pool is adjusted when there is an increase or decrease in the expected cash flows. Further, the Company assesses impairment on these acquired loan pools for which there has been a decrease in the expected cash flows. Impairment is measured based on the present value of the expected cash flows from the loan (including the estimated fair value of the underlying collateral), discounted using the loan's effective interest rate.
	A loan is determined to be non-accrual when it is probable that scheduled payments of principal and interest will not be received when due according to the contractual terms of the loan agreement. When a loan is placed on non-accrual status, all accrued yet uncollected interest is reversed from income. When the collectability of the recorded loan balance of a nonaccrual loan is in doubt, any cash payments received from the borrower are applied first to reduce the carrying value of the loan. Otherwise, interest income may be recognized to the extent cash is received. Generally, a nonaccrual loan is returned to accrual status when all delinquent interest and principal become current under the terms of the loan agreement and the collectability of remaining principal and interest is no longer doubtful. Interest income recognition resumes for nonaccrual loans that were accounted for on a cash basis method when they returned to accrual status, while interest income that was previously recorded as reduction in the carrying value of the loan would be recognized as interest income based on the effective yield to maturity on the loan.
	Troubled debt restructurings (“TDRs”) are loans that have been modified whereby the Company has agreed to make certain concessions to customers to both meet the needs of the customers and maximize the ultimate recovery of the loan. TDRs occur when a borrower is experiencing, or is expected to experience, financial difficulties and the loan is modified involving a concession that would otherwise not be granted to the borrower. TDRs are generally placed on non-accrual status until the Company believes repayment under the revised terms is reasonably assured and a sustained period of repayment performance has been achieved (typically defined as six months for a monthly amortizing loan). All costs incurred by the Company in connection with a TDR are expensed as incurred. The TDR classification will remain on the loan until it is paid in full or liquidated.
	Impaired loans are defined as all TDRs plus non-accrual commercial loans in excess of $1 million as of the balance sheet date. In addition, the Company may perform a specific reserve analysis on loans that fail to meet this threshold if the nature of the collateral or business conditions warrant. As of December 31, 2013, the Company is performing a specific reserve analysis on certain loans within the Corporate Banking and remaining commercial classes of financing receivables, regardless of loan size.
	The Company measures impairment based on the present value of expected future cash flows discounted at the loan's effective interest rate, except that, as a practical expedient, the Company may measure impairment based on a loan's observable market price, or the fair value of the collateral if the loan is a collateral-dependent loan.
	A loan is considered to be impaired when, based upon current information and events, it is probable that the Bank will be unable to collect all amounts due according to the contractual terms of the loan. An insignificant delay (e.g., less than 90 days) or insignificant shortfall in amount of payments does not necessarily result in the loan being identified as impaired.
	Loans held for investment
	Loans are reported net of loan origination fees, direct origination costs and discounts and premiums associated with purchased loans and unearned income. Interest on loans is credited to income as it is earned. Loan origination fees and certain direct loan origination costs are deferred and recognized as adjustments to interest income in the Consolidated Statements of Operations over the contractual life of the loan utilizing the effective interest rate method. Premiums and discounts associated with loans purchased by the Bank are deferred and amortized as adjustments to interest income utilizing the effective interest rate method using estimated prepayment speeds, which are updated on a quarterly basis. Interest income is not recognized on loans when the loan payment is 90 days or more delinquent for commercial loans and consumer loans, excluding credit cards, or sooner if management believes the loan has become impaired. Credit cards continue to accrue interest until they are 180 days delinquent, at which point they are charged off and interest is removed from interest income.
Loans Held for Sale	'
	Loans Held-for-Sale
	As of December 31, 2013 and 2012 all loans held-for-sale ("LHFS") were carried at fair value. Generally, residential loans are valued on an aggregate portfolio basis, and commercial loans are valued on an individual loan basis. Gains and losses on LHFS which are accounted for at fair value are recorded in other non-interest income. Direct loan origination costs and fees are recorded in other non-interest income at origination. The fair value of LHFS is based on what secondary markets are currently offering for portfolios with similar characteristics, and related gains and losses are recorded in non-interest income.
Allowance for Loan Losses and Reserve for Unfunded Lending Commitments	'
	For the commercial loans portfolio segment, a charge-off is recorded when a loan, or portion thereof, is considered uncollectible and of such little value that its continuance on the Company's books as an asset is not warranted, as outlined in accounting and regulatory guidance. Charge-offs are recorded on a monthly basis and partially charged-off loans continue to be evaluated on not less than a quarterly basis, with additional charge-offs or loan loss provisions taken on the remaining loan balance, if warranted, utilizing the same criteria.
	Consumer loans (excluding auto loans and credit cards) and any portion of a consumer loan secured by a real estate mortgage not adequately secured are generally charged-off when deemed to be uncollectible or delinquent 180 days or more (120 days for closed-end consumer loans not secured by real estate), whichever comes first, unless it can be clearly demonstrated that repayment will occur regardless of the delinquency status. Examples that would demonstrate repayment include; a loan that is secured by collateral and is in the process of collection; a loan supported by a valid guarantee or insurance; or a loan supported by a valid claim against a solvent estate. Auto loans are charged off when an account becomes 121 days delinquent if the Company has not repossessed the related vehicle. The Company charges off accounts in repossession when the automobile is repossessed and legally available for disposition. Credit cards that are 180 days delinquent are charged-off and all interest previously recognized is reversed from interest income.
	Within the consumer loans portfolio segment, for both residential and home equity loans, loss severity assumptions are incorporated into the loan loss reserve models to estimate loan balances that will ultimately charge-off. These assumptions are based on recent loss experience for six loan-to-value bands within the portfolios. Current loan-to-value ratios are updated based on movements in the state-level Federal Housing Finance Agency House Pricing Indexes.
	Additionally, the Company reserves for certain incurred, but undetected, losses within the loan portfolio. This is due to several factors, such as, but not limited to, inherent delays in obtaining information regarding a customer's financial condition or changes in its unique business conditions and the interpretation of economic trends. While this analysis is conducted at least quarterly, the Company has the ability to revise the allowance factors whenever necessary in order to address improving or deteriorating credit quality trends or specific risks associated with a loan pool classification.
	Regardless of the extent of the Company's analysis of customer performance, portfolio evaluations, trends or risk management processes established, a level of imprecision will always exist due to the judgmental nature of loan portfolio and/or individual loan evaluations. The Company maintains an unallocated allowance to recognize the existence of these exposures.
	In addition to the allowance for loan losses, management also estimates probable losses related to unfunded lending commitments. Unfunded lending commitments for commercial customers are analyzed and segregated by risk according to the Company's internal risk rating scale. These risk classifications, in conjunction with an analysis of historical loss experience, current economic conditions and performance trends within specific portfolio segments, and any other pertinent information result in the estimation of the reserve for unfunded lending commitments. Additions to the reserve for unfunded lending commitments are made by charges to the Provision for credit losses, and this reserve is classified within Other liabilities on the Company's Consolidated Balance Sheets.
	Risk factors are continuously reviewed and revised by management when conditions warrant. A comprehensive analysis of the allowance for loan losses and reserve for unfunded lending commitments is performed by the Company on a quarterly basis. In addition, a review of allowance levels based on nationally published statistics is conducted on at least an annual basis.
	The factors supporting the allowance for loan losses and the reserve for unfunded lending commitments do not diminish the fact that the entire allowance for loan losses and the reserve for unfunded lending commitments are available to absorb losses in the loan portfolio and related commitment portfolio, respectively. The Company's principal focus, therefore, is on the adequacy of the total allowance for loan losses and reserve for unfunded lending commitments.
	The allowance for loan losses and the reserve for unfunded lending commitments are subject to review by banking regulators. The Company's primary bank regulators conduct examinations of the allowance for loan losses and reserve for unfunded lending commitments and make assessments regarding their adequacy and the methodology employed in their determination.
	Allowance for Loan Losses and Reserve for Unfunded Lending Commitments
	The allowance for loan losses and reserve for unfunded lending commitments, collectively referred to as the “allowance for credit losses,” are maintained at levels that management considers adequate to provide for losses based upon an evaluation of known and inherent risks in the loan portfolio. Management's evaluation takes into consideration the risks inherent in the loan portfolio, past loan loss experience, specific loans with loss potential, geographic and industry concentrations, delinquency trends, economic conditions and other relevant factors. While management uses the best information available to make such evaluations, future adjustments to the allowance for credit losses may be necessary if conditions differ substantially from the assumptions used in making the evaluations.
	The allowance for loan losses consists of two elements: (i) an allocated allowance, which is comprised of allowances established on loans specifically evaluated for impairment and loans collectively evaluated for impairment based on historical loan loss experience adjusted for current trends and both general economic conditions and other risk factors in the Company's loan portfolios, and (ii) an unallocated allowance to account for a level of imprecision in management's estimation process. Reserve levels are collectively reviewed for adequacy and approved quarterly by Board-level committees.
	Management regularly monitors the condition of borrowers and assesses both internal and external factors in determining whether any relationships have deteriorated, considering factors such as historical loss experience, trends in delinquency and non-performing loans, changes in risk composition and underwriting standards, experience and ability of staff and regional and national economic conditions and trends.
	For the commercial loans portfolio segment, the Bank has specialized credit officers and workout units that identify and manage potential problem loans. Changes in management factors, financial and operating performance, company behavior, industry factors and external events and circumstances are evaluated on an ongoing basis to determine whether potential impairment is evident and additional analysis is needed. For the commercial loans portfolio segment, risk ratings are assigned to each individual loan to differentiate risk within the portfolio, and are reviewed on an ongoing basis by credit risk management and revised, if needed, to reflect the borrowers' current risk profiles and the related collateral positions. The risk ratings consider factors such as financial condition, debt capacity and coverage ratios, market presence and quality of management. Generally, credit officers reassess a borrower's risk rating on no less than an annual basis, and more frequently if warranted. This reassessment process is managed on a continual basis by the Credit Monitoring group to ensure consistency and accuracy in risk ratings as well as appropriate frequency of risk rating review by the Bank's credit officers. The Company's Internal Audit group regularly performs loan reviews and assesses the appropriateness of assigned risk ratings. When a loan's risk rating is downgraded beyond a certain level, the Company's Workout Department becomes responsible for managing the credit risk. Risk rating actions are generally reviewed formally by one or more credit committees, depending on the size of the loan and the type of risk rating action being taken. Detailed analyses are completed that support the risk rating and management's strategies for the customer relationship going forward.
	The consumer loans portfolio segment and small business loans are monitored for credit risk and deterioration with statistical tools considering factors such as delinquency, loan-to-value ratio, and credit scores. The Bank evaluates the consumer portfolios throughout their life cycle on a portfolio basis. When problem loans are identified that are secured with collateral, management examines the loan files to evaluate the nature and type of collateral supporting the loans. Management documents the collateral type, date of the most recent valuation, and whether any liens exist, to determine the value to compare against the committed loan amount.
	When the Bank determines that the value of an impaired loan is less than its carrying amount, the Bank recognizes impairment through a provision estimate or a charge-off to the allowance. Management performs these assessments on at least a quarterly basis.
Premises and Equipment	'
	Premises and Equipment
	Premises and equipment are carried at cost, less accumulated depreciation. Depreciation is calculated utilizing the straight-line method. Estimated useful lives are as follows:
	Office buildings		10 to 30 years
	Leasehold improvements(1)		10 to 30 years
	Software(2)		3 to 5 years
	Furniture, fixtures and equipment		3 to 10 years
	Automobiles		5 years
	(1)Leasehold improvements are depreciated over the shorter of the useful lives of the assets or the remaining term of the leases. The useful life of the leasehold improvements maybe extended beyond the base term of the lease contract when the lease contract includes renewal option period(s) that are reasonably assured of being exercised at the date the leasehold improvements are purchased.  At no point does the depreciable life exceed the economic useful life of the leasehold improvement or the expected term of the lease contract.
	(2)Standard depreciable period for software is three years. However, for larger software implementation projects, a five-year period is utilized. For the 2012 information technology ("IT") transformation, the Company utilized a depreciable period of five years.
	Expenditures for maintenance and repairs are charged to expense as incurred.
Cost and Equity Method Investments	'
	Cost and Equity Method Investments
	For investments in limited partnerships, limited liability companies and other investments, including SCUSA, that are not required to be consolidated, the Company uses either the equity method or the cost method of accounting. The Company uses the equity method for general and limited partner ownership interests and limited liability companies in which the Company is considered to have significant influence over the operations of the investee and when the net asset value of our investment reflects our economic interest in the underlying investment. Under the equity method, the Company records the equity ownership share of net income or loss of the investee in "Income/(expense) from equity method investments". The Company uses the cost method for all other investments. Under the cost method, there is no change to the cost basis unless there is an other-than-temporary decline in value or dividends are received. If the decline is determined to be other-than temporary, the Company writes down the cost basis of the investment to a new cost basis that represents realizable value. The amount of the write-down is accounted for as a loss included in "Income/(expense) from equity method investments". Distributions received from the income of an investee on cost method investments are included in "Income/(expense) from equity method investments". Investments described above are included in the caption "Equity investments" on the Consolidated Balance Sheet.
Goodwill and Core Deposit Intangibles	'
	Goodwill
	Goodwill is the excess of the purchase price over the fair value of the tangible and identifiable intangible assets and liabilities of companies acquired through business combinations accounted for under the acquisition method.
	Goodwill and other indefinite-lived intangible assets are not amortized on a recurring basis, but rather are subject to periodic impairment testing. Management performs an annual goodwill impairment test and whenever events occur or circumstances change that indicate the fair value of a reporting unit may be below its carrying value.
	During the year, the Company changed its goodwill impairment testing date from December 31 to October 1. Refer to further discussion of this change in Note 7, Goodwill in the Notes to the Consolidated Financial Statements.
	The Company performed goodwill impairment testing as of October 1, 2013 and December 31, 2012 and concluded that goodwill was not impaired. The Company did not have any indefinite-lived intangible assets as of December 31, 2013.
	Core Deposit Intangibles
	Core deposit intangibles are a measure of the value of checking, savings and other-low cost deposits acquired in business combinations accounted for under the acquisition method. Core deposit intangibles are amortized over the estimated useful lives of the existing deposit relationships acquired, but not exceeding 10 years. The Company evaluates the identifiable intangibles for impairment when an indicator of impairment exists, but not less than annually. Separable intangible assets that are not deemed to have an indefinite life continue to be amortized over their useful lives.
Asset Securitizations	'
	Mortgage Servicing Rights
	Effective January 1, 2012, the Company elected to measure our residential MSRs at fair value. This election was made to be consistent with the risk management strategy to hedge changes in the fair value of these assets. The fair value of residential MSRs is estimated by using a cash flow valuation model which calculates the present value of estimated future net servicing cash flows, taking into consideration actual and expected mortgage loan prepayment rates, discount rates, servicing costs, and other economic factors which are determined based on current market conditions. Assumptions incorporated into the residential MSRs valuation model reflect management's best estimate of factors that a market participant would use in valuing the residential MSRs. Although sales of residential MSRs do occur, residential MSRs do not trade in an active market with readily observable prices.
	As a benchmark for the reasonableness of the residential MSRs fair value, opinions of value from independent parties (“brokers”) are obtained. These brokers provide a range of values based upon their own discounted cash flow calculations of our portfolio that reflect conditions in the secondary market and any recently executed servicing transactions. Management compares the internally-developed residential MSRs value to the ranges of values received from the brokers. If the residential MSRs fair value falls outside of the brokers' ranges, management will assess whether a valuation adjustment is warranted. The residential MSRs value is considered to represent a reasonable estimate of fair value.
	Asset Securitizations
	The Company has historically securitized multi-family and commercial real estate loans, mortgage loans, home equity and other consumer loans, as well as automotive floor plan receivables that it originated and/or purchased from certain other financial institutions. After receivables or loans are securitized, the Company continues to maintain account relationships with its customers. The Company may provide administrative, liquidity facilities and/or other services to the resulting securitization entities, and may continue to service the financial assets sold to the securitization entity.
	If the securitization transaction meets the accounting requirements for deconsolidation and sale treatment, the securitized receivables or loans are removed from the balance sheet and a net gain or loss is recognized in income at the time of sale and each subsequent sale. Net gains or losses resulting from securitizations are recorded in non-interest income. See further discussion on the Company's securitizations in Note 6.
Bank Owned Life Insurance	'
	Bank Owned Life Insurance
	BOLI represents the cash surrender value for life insurance policies for certain current and former employees who have provided positive consent allowing the Bank to be the beneficiary of such policies. Increases in the net cash surrender value of the policies, as well as insurance proceeds received, are recorded in non-interest income, and are not subject to income taxes.
Other Real Estate Owned and Other Repossessed Assets	'
	Other Real Estate Owned and Other Repossessed Assets
	Other real estate owned (“OREO”) and other repossessed assets consist of properties and other assets acquired by, or in lieu of, foreclosure in partial or total satisfaction of non-performing loans. Assets obtained in satisfaction of a loan is recorded at the lower of cost or estimated fair value minus estimated costs to sell based upon the property's appraisal value at the date of transfer. The excess of the carrying value of the loan over the fair value of the property minus estimated costs to sell are charged to the allowance for loan losses. Any decline in the estimated fair value of asset that occurs after the initial transfer from the loan portfolio and costs of holding the property are recorded as operating expenses, except for significant property improvements that are capitalized to the extent that the carrying value does not exceed the estimated fair value.
Leases	'
	Leases
	We provide financing for various types of equipment, aircraft, energy and power systems, and automobiles through a variety of lease arrangements. Direct financing leases are carried at the aggregate of lease payments plus estimated residual value of the leased property, less unearned income. Leveraged leases, a form of financing lease, are carried net of non-recourse debt. We recognize income over the term of the lease using the constant effective yield method. Lease residual values are reviewed for OTTI on an annual basis. Gains or losses on the sale of leased assets are included in Other non-interest income while valuation adjustments on lease residuals are included in Other non-interest expense.
Derivative Instruments and Hedging Activity	'
	Derivative Instruments and Hedging Activity
	The Company uses derivative financial instruments primarily to help manage exposure to interest rate, foreign exchange, equity and credit risk. Derivative financial instruments are also used to reduce the effects that changes in interest rates may have on net income, fair value of assets and liabilities, and cash flows. The Company also enters into derivatives with customers to facilitate their risk management activities.
	Derivative instruments designated in a hedge relationship to mitigate exposure to changes in the fair value of an asset, liability or firm commitment attributable to a particular risk, such as interest rate risk, are considered fair value hedges. Derivative instruments designated in a hedge relationship to mitigate exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. The Company formally documents the relationships of certain qualifying hedging instruments and hedged items, as well as its risk-management objective and strategy for undertaking each hedge transaction.
	Fair value hedges that are highly effective are accounted for by recording the change in the fair value of the derivative instrument and the related hedged asset, liability or firm commitment on the Consolidated Balance Sheet with the corresponding income or expense recorded in the Consolidated Statement of Operations. The adjustment to the hedged asset or liability is included in the basis of the hedged item, while the fair value of the derivative is recorded as an other asset or other liability. Actual cash receipts or payments and related amounts accrued during the period on derivatives included in a fair value hedge relationship are recorded as adjustments to the income or expense associated with the hedged asset or liability.
	Cash flow hedges that are highly effective are accounted for by recording the fair value of the derivative instrument on the Consolidated Balance Sheet as an asset or liability, with a corresponding charge or credit, net of tax, recorded in accumulated other comprehensive income within stockholder's equity, in the accompanying Consolidated Balance Sheet. Amounts are reclassified from accumulated other comprehensive income to the Consolidated Statements of Operations in the period or periods the hedged transaction affects earnings. In the case where certain cash flow hedging relationships have been terminated, the Company continues to defer the net gain or loss in accumulated other comprehensive income and reclassifies it into interest expense as the future cash flows occur, unless it becomes probable that the future cash flows will not occur.
	We discontinue hedge accounting when it is determined that the derivative no longer qualifies as an effective hedge; the derivative expires or is sold, terminated or exercised; the derivative is designated as a fair value or cash flow hedge, or for a cash flow hedge, it is no longer probable that the forecasted transaction will occur by the end of the originally specified time period. If we determine that the derivative no longer qualifies as a fair value or cash flow hedge and hedge accounting is discontinued, the derivative will continue to be recorded on the balance sheet at its fair value, with changes in fair value included in current earnings. For a discontinued fair value hedge, the previously hedged item is no longer adjusted for changes
	in fair value.
	The portion of gains and losses on derivative instruments not considered highly effective in hedging the change in fair value or expected cash flows of the hedged item, or derivatives not designated in hedging relationships, are recognized immediately in the Consolidated Statement of Operations. See Note 13 to the Consolidated Financial Statements for further discussion.
Income Taxes	'
	Income Taxes
	The Company accounts for income taxes under the asset and liability method. Deferred taxes are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates that will apply to taxable income in the years in which those temporary differences are expected to reverse or be realized. The effect on deferred tax assets and liabilities of a change in tax rates is recognized as income or expense in the period that includes the enactment date.
	A valuation allowance will be established if the Company determines that it is more likely than not that a deferred tax asset will not be realized. This requires periodic reviews of the carrying amount of deferred tax assets and when the deferred tax assets will be realized in future periods. Consideration is given to all positive and negative evidence related to the realization of the deferred tax assets. Items considered in this evaluation include historical financial performance, expectation of future earnings, the ability to carry back losses to recoup taxes previously paid, length of statutory carryforward periods, experience with operating loss and tax credit carryforwards not expiring unused, tax planning strategies and timing of reversals of temporary differences. Significant judgment is required in assessing future earnings trends and the timing of reversals of temporary differences. The Company's evaluation is based on current tax laws, as well as management's expectations of future performance.
	In establishing a provision for income tax expense, the Company must make judgments and interpretations about the application of inherently complex tax laws of the U.S., its states and municipalities, as well as certain foreign countries. Actual income taxes paid may vary from estimates depending upon changes in income tax laws, actual results of operations, and the final audit of tax returns by taxing authorities. Tax assessments may arise several years after tax returns have been filed. The Company reviews its tax balances quarterly and as new information becomes available, the balances are adjusted, as appropriate. Interest and penalties on income tax payments are included within Income tax provision on the Consolidated Statements of Operations.
	The Company recognizes in its financial statements tax benefits from tax positions when it is more likely than not the position will be sustained upon examination by the tax authorities. Such tax positions are initially and subsequently measured as the largest amount of tax benefit that is greater than 50% likely of being realized upon ultimate settlement with the tax authority, assuming full knowledge of the position and all relevant facts. See Note 14 of the Consolidated Financial Statements for details on the Company's income taxes.
Share-Based Compensation	'
	Stock-Based Compensation
	The Company, through Santander, sponsors stock plans under which incentive and non-qualified stock options and non-vested stock may be granted periodically to certain employees. The Company recognizes compensation expense related to stock options and non-vested stock awards based upon the fair value of the awards on the date of the grant, adjusted for expected forfeitures, and which is charged to earnings over the requisite service period (e.g. vesting period). Additionally, the Company estimates the number of awards for which it is probable that service will be rendered and adjusts compensation cost accordingly. Estimated forfeitures are subsequently adjusted to reflect actual forfeitures.
Commercial Lending Asset Quality Indicators	'
	Commercial Lending Asset Quality Indicators
	Commercial credit quality disaggregated by class of financing receivables is summarized according to standard regulatory classifications as follows:
	PASS. Asset is well-protected by the current net worth and paying capacity of the obligor or guarantors, if any, or by the fair value, less costs to acquire and sell, of any underlying collateral in a timely manner.
	NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
	SPECIAL MENTION. Asset has potential weaknesses that deserve management’s close attention, which, if left uncorrected, may result in deterioration of the repayment prospects for an asset at some future date. Special Mention assets are not adversely classified.
	SUBSTANDARD. Asset is inadequately protected by the current net worth and paying capacity of the obligor or by the collateral pledged, if any. A well-defined weakness or weaknesses exist that jeopardize the liquidation of the debt. The loans are characterized by the distinct possibility that the Bank will sustain some loss if deficiencies are not corrected.
	DOUBTFUL. Exhibits the inherent weaknesses of a substandard credit. Additional characteristics exist that make collection or liquidation in full highly questionable and improbable, on the basis of currently known facts, conditions and values. Possibility of loss is extremely high, but because of certain important and reasonable specific pending factors which may work to the advantage and strengthening of the credit, an estimated loss cannot yet be determined.
	LOSS. Credit is considered uncollectible and of such little value that it does not warrant consideration as an active asset. There may be some recovery or salvage value, but there is doubt as to whether, how much or when the recovery would occur.
Troubled Debt Restructuring	'
	Commercial Loan TDRs
	All of the Company’s commercial loan modifications are based on the facts of the individual customer, including specific customers' complete relationship with the Company. Loan terms are modified to meet each borrower’s specific circumstances at a point in time. Modifications for commercial loan TDRs generally, although not always, result in bifurcation of the original loan into A and B notes. The A note is restructured to allow for upgraded risk rating and return to accrual status after a sustained period of payment performance has been achieved (typically six months for monthly payment schedules). The B note, if any, is structured as a deficiency note; the balance is charged off but the debt is usually not forgiven. As TDRs, they will be subject to analysis for specific reserves by either calculating the present value of expected future cash flows or, if collateral-dependent, calculating the fair value of the collateral less its estimated cost to sell. The TDR classification will remain on the loan until it is paid in full or liquidated.
	Consumer Loan TDRs
	The primary modification program for the Company’s home mortgage and self-originated home equity portfolios is a proprietary program designed to keep customers in their homes and, when appropriate, prevent them from entering into foreclosure. The program is available to all customers facing a financial hardship regardless of their delinquency status. The main goal of the modification program is to review the customer’s entire financial condition to ensure that the proposed modified payment solution is affordable according to a specific debt-to-income ratio (“DTI”) range. The main modification benefits of the program allow for term extensions, interest rate reductions, or deferment of principal. The Company reviews each customer on a case-by-case basis to determine which benefit or combination of benefits will be offered to achieve the target DTI range.
	For the Company’s other consumer portfolios (indirect auto, indirect purchased, and remaining consumer) the terms of the modifications include one or a combination of the following: a reduction of the stated interest rate of the loan at a rate of interest lower than the current market rate for new debt with similar risk or an extension of the maturity date.
	Consumer TDRs are generally placed on non-accrual status until the Company believes repayment under the revised terms is reasonably assured and a sustained period of repayment performance has been achieved (typically six months for a monthly amortizing loan). However, any loan that has remained current for the six months immediately prior to modification will remain on accrual status after the modification is enacted. The TDR classification will remain on the loan until it is paid in full or liquidated.
	In addition to those identified as TDRs above, the guidance also requires loans discharged under Chapter 7 bankruptcy to be considered TDRs and collateral-dependent, regardless of delinquency status. Collateral-dependent loans must be written down to fair market value and classified as non-accrual/non-performing for the remaining life of the loan.
	TDR Impact to Allowance for Loan Losses
	The allowance for loan losses is established to recognize losses inherent in funded loans intended to be held for investment that are probable and can be reasonably estimated. Prior to a TDR, the Company generally measures its allowance under a loss contingency methodology in which consumer loans with similar risk characteristics are pooled and loss experience information is monitored for credit risk and deterioration with statistical tools considering factors such as delinquency, LTVs, and credit scores.
	Upon TDR modification, the Company generally measures impairment based on a present value of expected future cash flows methodology considering all available evidence using the effective interest rate or fair value of collateral. The amount of the required valuation allowance is equal to the difference between the loan’s impaired value and the recorded investment.
	When a consumer TDR subsequently defaults, the Company generally measures impairment based on the fair value of the collateral, if applicable, less its estimated cost to sell.
	Typically, commercial loans whose terms are modified in a TDR will have previously been identified as impaired prior to modification and accounted for generally using a present value of expected future cash flows methodology, unless the loan is considered collateral-dependent. Loans considered collateral-dependent are measured for impairment based on their fair values of collateral less its estimated cost to sell. Accordingly, upon TDR modification or if a TDR modification subsequently defaults, the allowance methodology remains unchanged.
Recent Accounting Developments	'
	In December 2011, the FASB issued ASU 2011-11, an update to ASC 210, "Balance Sheet", which requires entities to disclose both gross information and net information about both financial instruments and transactions eligible for offset in the statement of financial position and transactions subject to an agreement similar to a master netting arrangement. The amendment is designed to enhance disclosures about the financial instruments and derivatives, which will allow the users of an entity's financial statements to evaluate the effect of netting arrangements on an entity's financial position. In January 2013, the FASB issued ASU 2013-01 to clarify the scope of disclosures about offsetting assets and liabilities under ASU 2011-11. ASU 2013-01 states that ordinary trade receivables and receivables are not in the scope of ASU 2011-11, and that ASU 2011-11 applies only to derivatives, repurchase agreements and reverse repurchase agreements, and securities borrowing and securities lending transactions that are either offset in accordance with specific criteria or subject to a master netting arrangement or similar agreement. The amendments to ASC 210 were effective for interim and annual periods beginning January 1, 2013 and were applied retrospectively to the beginning of the first annual period presented. The implementation of ASU 2011-11 did not have a significant impact on the Company’s financial position, results of operations or disclosures. The new disclosures required by ASU 2011-11 are included in Note 13, Derivatives.
	In July 2012, the FASB issued ASU 2012-02, an update to ASC 350, "Intangibles-Goodwill and Other: Testing Indefinite-Lived Intangible Assets for Impairment." This ASU states that an entity has the option first to assess qualitative factors to determine whether the existence of events and circumstances indicates that it is more likely than not that the indefinite-lived intangible asset is impaired as the basis for determining whether it is necessary to perform the two-step impairment test. The amendments to the ASC were effective January 1, 2013 and applied prospectively. The implementation of this guidance did not have an significant impact on the Company’s financial position, results of operations or disclosures.
	In February 2013, the Financial Accounting Standard Board ("FASB") issued Accounting Standard Update ("ASU") 2013-02, an update to ASC 220, "Comprehensive Income," to improve the transparency of reporting reclassifications out of accumulated other comprehensive income. The amendments require a company to provide information about the amounts reclassified out of accumulated other comprehensive income by component. In addition, a company is required to present, either on the face of the statement where net income is presented or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income, but only if the amount reclassified is required under GAAP to be reclassified to net income in its entirety in the same reporting period. For other amounts that are not required under GAAP to be reclassified in their entirety to net income in the same reporting period, a company is required to cross-reference to other disclosures required under GAAP that provide additional detail about these amounts. The amendments were effective for the Company prospectively beginning January 1, 2013. The implementation of ASU 2013-02 did not have a significant impact on the Company’s financial position or results, operations or disclosures. The new disclosures required by ASU 2013-02 are included in Note 12, Accumulated Other Comprehensive Income.
	In February 2013, the FASB issued ASU 2013-04, an update to ASC 405, "Liabilities". This ASU requires an entity to measure obligations resulting from joint and several liability arrangements for which the total amount of the obligation within the scope of this guidance is fixed at the reporting date as the sum of (a) the amount the reporting entity agreed to pay on the basis of its arrangement among its co-obligors and (b) any additional amount the reporting entity expects to pay on behalf of its co-obligors. This ASU also requires an entity to disclose the nature and amount of the obligations as well as other information about those obligations. The amendments to this update are effective January 1, 2014 and should be applied retrospectively to all prior periods presented for those obligations resulting from joint and several liability arrangements within the update's scope that exist at the beginning of an entity's fiscal year of adoption. The implementation of this guidance is not expected to have a significant impact on the Company's financial position, results of operations or disclosures.
	In July 2013, the FASB issued ASU 2013-10, an update to ASC 815, "Derivatives and Hedging." This ASU permits the use of the Fed Funds Effective Swap Rate (OIS) as a U.S. benchmark interest rate for hedge accounting purposes under Topic 815, in addition to UST and LIBOR. The amendments also remove the restriction on using different benchmark rates for similar hedges. The provisions of this update were effective on July 17, 2013 for qualifying new or re-designated hedging relationships entered into on or after that date. Earlier application of the guidance is not permitted. The implementation of this guidance did not have a significant impact on the Company's financial position, results of operations or disclosures. Impact of the adoption of this guidance is discussed in Note 13.
	In July 2013, the FASB issued ASU 2013-11, an update to ASC 740, "Income Taxes." This ASU provides explicit guidance on the presentation of unrecognized tax benefits, particularly the manner in which an entity would settle, at the reporting date, any additional income taxes that would result from the disallowance of a tax position when net operating loss carryforwards, similar tax losses, or tax credit carryforwards exist. The provisions of this update are effective January 1, 2014 for the Company and should be applied prospectively; however, retrospective application is also permissible. Early adoption of the guidance is permitted. The disclosure impact of this guidance is currently being evaluated by the Company, but is not expected to have a significant impact on the Company's financial position, results of operations or disclosures.
	In January 2014, the FASB issued ASU 2014-01, an update to ASC 323, "Investments - Equity Method and Joint Ventures."
	The ASU revises the necessary criteria that need to be met in order for an entity to account for investments in affordable housing projects net of the provision for income taxes. It also changes the method of recognition from an effective amortization approach to a proportional amortization approach. Additional disclosures were also set forth in this update. The provisions of this update are effective for annual periods, and interim reporting periods within those annual periods, beginning after December 15, 2014. The amendments are required to be applied retrospectively to all periods presented. Early adoption of the guidance is permitted. The impact of this guidance is currently being evaluated by the Company, but is not expected to have a significant impact on the Company's financial position, results of operations or disclosures.
	In January 2014, the FASB issued ASU 2014-04, an update to ASC 310, "Receivables." The ASU clarifies that an in substance repossession or foreclosure occurs upon either the creditor obtaining legal title to the residential real estate property or the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. The amendments are effective for annual periods, and interim reporting periods within those annual periods, beginning after December 15, 2014. The amendments may be adopted using either a modified retrospective transition method or a prospective transition method. Early adoption of the guidance is permitted. The impact of this guidance is currently being evaluated by the Company, but is not expected to have a significant impact on the Company's financial position, results of operations or disclosures.

BASIS_OF_PRESENTATION_AND_ACCO2

BASIS OF PRESENTATION AND ACCOUNTING POLICIES (Tables)	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
Premises and Equipment	'
	Estimated useful lives are as follows:
	Office buildings	10 to 30 years
	Leasehold improvements(1)	10 to 30 years
	Software(2)	3 to 5 years
	Furniture, fixtures and equipment	3 to 10 years
	Automobiles	5 years
	(1)Leasehold improvements are depreciated over the shorter of the useful lives of the assets or the remaining term of the leases. The useful life of the leasehold improvements maybe extended beyond the base term of the lease contract when the lease contract includes renewal option period(s) that are reasonably assured of being exercised at the date the leasehold improvements are purchased.  At no point does the depreciable life exceed the economic useful life of the leasehold improvement or the expected term of the lease contract.
	(2)Standard depreciable period for software is three years. However, for larger software implementation projects, a five-year period is utilized. For the 2012 information technology ("IT") transformation, the Company utilized a depreciable period of five years.
	A summary of premises and equipment, less accumulated depreciation, follows:
		AT DECEMBER 31,
		2013			2012
		(in thousands)
	Land	$	54,690		$	55,921
	Office buildings	206,551			196,505
	Furniture, fixtures, and equipment	167,350			126,979
	Leasehold improvements	345,754			321,335
	Computer software	625,069			520,908
	Automobiles and other	536			1,206
	Total premises and equipment	1,399,950			1,222,854
	Less accumulated depreciation	(584,155		)	(474,085		)
	Total premises and equipment, net	$	815,795		$	748,769

INVESTMENT_SECURITIES_Tables

INVESTMENT SECURITIES (Tables)	12 Months Ended
	Dec. 31, 2013
Investments, Debt and Equity Securities [Abstract]	'
Available-for-sale Securities	'
	The following tables present the amortized cost, gross unrealized gains and losses, and approximate fair values of securities available-for-sale at the dates indicated:
		December 31, 2013
		Amortized				Gross				Gross				Fair
		Cost				Unrealized				Unrealized				Value
						Gains				Loss
		(in thousands)
	U.S. Treasury and government agency securities	$	24,993			$	4			$	—			$	24,997
	Corporate debt securities	2,195,004				35,611				(12,435		)		2,218,180
	Asset-backed securities	2,727,235				9,345				(4,350		)		2,732,230
	Equity securities	10,331				—				(490		)		9,841
	State and municipal securities	1,891,996				20,515				(62,362		)		1,850,149
	Mortgage-backed securities:
	U.S. government agencies	1,904,178				134				(103,889		)		1,800,423
	FHLMC and FNMA debt securities	3,202,428				1,486				(207,392		)		2,996,522
	Non-agency securities	13,898				—				—				13,898
	Total investment securities available-for-sale	$	11,970,063			$	67,095			$	(390,918	)		$	11,646,240
		December 31, 2012
		Amortized				Gross				Gross				Fair
		Cost				Unrealized				Unrealized				Value
						Gains				Loss
		(in thousands)
	U.S. Treasury and government agency securities	$	8,996			$	—			$	—			$	8,996
	Debentures of FHLMC and FNMA	1,150				—				—				1,150
	Corporate debt securities	2,634,602				72,290				(1,186		)		2,705,706
	Asset-backed securities	1,825,950				5,628				(12,741		)		1,818,837
	Equity securities	5,108				113				(5		)		5,216
	State and municipal securities	1,973,559				89,637				(2,904		)		2,060,292
	Mortgage-backed securities:
	U.S. government agencies	6,345,891				72,185				(5,342		)		6,412,734
	FHLMC and FNMA debt securities	5,617,925				58,721				(5,750		)		5,670,896
	Non-agency securities	193				—				—				193
	Total investment securities available-for-sale	$	18,413,374			$	298,574			$	(27,928	)		$	18,684,020
Investments Classified by Contractual Maturity Date	'
	Contractual maturities of the Company’s debt securities available for sale at December 31, 2013 are as follows:
		Due Within One Year				Due After 1 Within 5 Years				Due After 5 Within 10 Years				Due After 10 Years/No Maturity			Total(1)			Weighted Average Yield(2)
		(in thousands)
	U.S Treasury and government agency	$	24,997			$	—			$	—			$	—		$	24,997		0.09	%
	Corporate debt securities	278,736				1,910,516				28,928				—			2,218,180			2.42	%
	Asset backed securities	274,741				1,065,145				1,037,158				355,186			2,732,230			1.37	%
	State and municipal securities	—				10				114,675				1,735,464			1,850,149			3.73	%
	Mortgage-backed securities:
	U.S. government agencies	—				—				11,305				1,789,118			1,800,423			2.01	%
	FHLMC and FNMA securities	456				2,956				3,315				2,989,795			2,996,522			1.77	%
	Non-agencies	—				114				—				13,784			13,898			3.27	%
	Total fair value	$	578,930			$	2,978,741			$	1,195,381			$	6,883,347		$	11,636,399		2.15	%
	Weighted Average Yield	1.89		%		1.87		%		1.85		%		2.34		%	2.15		%
	Total amortized cost	$	576,325			$	2,951,349			$	1,198,763			$	7,233,295		$	11,959,732
	(1) The maturities above do not represent the effective duration of the Company's portfolio, since the amounts above are based on contractual maturities and do
	not contemplate anticipated prepayments.
	(2) Yields on tax-exempt securities are calculated on a tax equivalent basis and are based on the statutory federal tax rate of 35%.
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	'
	The following tables present the aggregate amount of unrealized losses as of December 31, 2013 and December 31, 2012 on securities in the Company’s investment portfolio classified according to the amount of time that those securities have been in a continuous loss position:
		At December 31, 2013
		Less than 12 months								12 months or longer							Total
		Fair Value				Unrealized				Fair Value				Unrealized			Fair Value			Unrealized
						Losses								Losses						Losses
		(in thousands)
	Corporate debt securities	$	743,041			$	(10,868	)		$	32,020			$	(1,567	)	$	775,061		$	(12,435	)
	Asset-backed securities	803,685				(4,111		)		24,316				(239		)	828,001			(4,350		)
	Equity securities	5,020				(188		)		4,797				(302		)	9,817			(490		)
	State and municipal securities	710,456				(45,972		)		126,345				(16,390		)	836,801			(62,362		)
	Mortgage-backed securities:
	U.S. government agencies	1,648,691				(94,937		)		139,791				(8,952		)	1,788,482			(103,889		)
	FHLMC and FNMA debt securities	2,271,301				(150,996		)		695,830				(56,396		)	2,967,131			(207,392		)
	Total	$	6,182,194			$	(307,072	)		$	1,023,099			$	(83,846	)	$	7,205,293		$	(390,918	)
	NOTE 3. INVESTMENT SECURITIES (continued)
		At December 31, 2012
		Less than 12 months								12 months or longer							Total
		Fair Value				Unrealized				Fair Value				Unrealized			Fair Value			Unrealized
						Losses								Losses						Losses
		(in thousands)
	Corporate debt securities	$	354,844			$	(1,175	)		$	14,974			$	(11	)	$	369,818		$	(1,186	)
	Asset-backed securities	374,142				(12,395		)		59,150				(346		)	433,292			(12,741		)
	Equity securities	5,094				(5		)		—				—			5,094			(5		)
	State and municipal securities	192,271				(2,904		)		—				—			192,271			(2,904		)
	Mortgage-backed securities:
	U.S. government agencies	925,367				(4,800		)		97,531				(542		)	1,022,898			(5,342		)
	FHLMC and FNMA debt securities	2,224,013				(5,750		)		—				—			2,224,013			(5,750		)
	Total	$	4,075,731			$	(27,029	)		$	171,655			$	(899	)	$	4,247,386		$	(27,928	)
Other than Temporary Impairment, Credit Losses Recognized in Earnings	'
	The following table displays changes in credit losses for those non-agency MBS recognized in earnings for the year ended December 31, 2011.
		Year Ended
		31-Dec-11
		(in thousands)
	Cumulative credit loss recognized on non-agency securities at the beginning of the period	$	210,919
	Cumulative reduction as of the beginning of the period for accretion into interest income for the expected increase in cash flow on certain non-agency securities	(9,631		)
	Current period accretion into interest income for the expected increase in cash flow on certain non-agency securities	(8,375		)
	Reductions for securities sold during the period	(193,238		)
	Additional increases to credit losses for previously recognized other-than-temporary impairment charges when the entity does not intend to sell the security	325
	Net cumulative credit loss recognized on non-agency securities as of the end of the period	—
	Reductions for increases in cash flows expected to be collected and recognized over the remaining life of securities	—
	Projected ending balance of the amount related to credit losses on debt securities at the end of the period for which a portion of an other-than-temporary impairment was recognized in other comprehensive income	$	—
Realized Gain (Loss) on Investments	'
	Proceeds from sales of investment securities and the realized gross gains and losses from those sales are as follows:
			Year Ended December 31,
			2013				2012				2011
		(in thousands)
	Proceeds from the sales of available-for-sale securities		$	8,050,028			$	4,256,661			$	6,892,337
	Gross realized gains		115,540				101,983				178,364
	Gross realized losses		(42,456		)		(1,092		)		(103,442		)
	OTTI		(63,630		)		—				—
	Net realized gains		$	9,454			$	100,891			$	74,922

LOANS_AND_ALLOWANCE_FOR_CREDIT1

LOANS AND ALLOWANCE FOR CREDIT LOSSES (Tables)	12 Months Ended
	Dec. 31, 2013
Loans and Leases Receivable Disclosure [Abstract]	'
Schedule of Loans Receivable	'
	The following table presents the composition of the gross loans held for investment portfolio by type of loan and by fixed and variable rates at the dates indicated:
		December 31, 2013							December 31, 2012
		Amount				Percent			Amount				Percent
		(dollars in thousands)
	Commercial loans held for investment:
	Commercial real estate loans	$	9,303,885			18.6	%		$	10,034,868			19.2	%
	Commercial and industrial loans	12,820,417				25.7	%		13,692,020				26.1	%
	Multi-family loans	8,237,029				16.5	%		7,572,555				14.4	%
	Other (2)	1,789,891				3.6	%		1,631,896				3.1	%
	Total commercial loans held for investment	32,151,222				64.4	%		32,931,339				62.8	%
	Consumer loans secured by real estate:
	Residential mortgages	9,561,187				19.2	%		10,400,967				19.8	%
	Home equity loans and lines of credit	6,311,694				12.6	%		6,638,466				12.7	%
	Total consumer loans secured by real estate	15,872,881				31.8	%		17,039,433				32.5	%
	Consumer loans not secured by real estate:
	Auto loans	81,804				0.2	%		295,398				0.6	%
	Other (3)	1,815,770				3.6	%		2,122,741				4.1	%
	Total consumer loans	17,770,455				35.6	%		19,457,572				37.2	%
	Total loans held for investment (1)	$	49,921,677			100	%		$	52,388,911			100	%
	Total loans held for investment:
	Fixed rate	$	23,431,663			46.9	%		$	24,056,174			45.9	%
	Variable rate	26,490,014				53.1	%		28,332,737				54.1	%
	Total loans held for investment (1)	$	49,921,677			100	%		$	52,388,911			100	%
	-1	Total loans held for investment includes deferred loan origination costs, net of deferred loan fees and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments. These items resulted in a net increase in loan balances of $122.6 million and $76.9 million as of December 31, 2013 and December 31, 2012, respectively.
	-2	Other commercial primarily includes commercial equipment vehicle funding leases and loans.
	-3	Other consumer primarily includes recreational vehicles and marine loans.
Rollforward of Allowance for Credit Losses	'
	The following table presents the activity in the allowance for credit losses for the periods indicated:
		Year
		Ended December 31,
		2013				2012				2011
		(in thousands)
	Allowance for loan losses, beginning of period	$	1,013,469			$	1,083,492			$	2,197,450
	Allowance recorded as part of loans transferred from Santander	—				3,712				—
	Allowance change due to SCUSA Transaction	—				—				(1,208,474		)
	Charge-offs:
	Commercial	123,517				335,114				545,028
	Consumer secured by real estate	94,651				154,263				250,992
	Consumer not secured by real estate(2)	97,036				117,862				818,017
	Total charge-offs	315,204				607,239				1,614,037
	Recoveries:
	Commercial	53,132				47,940				42,059
	Consumer secured by real estate	14,148				8,935				8,419
	Consumer not secured by real estate(2)	31,942				37,344				293,988
	Total recoveries	99,222				94,219				344,466
	Charge-offs, net of recoveries	215,982				513,020				1,269,571
	Provision for loan losses (1)(2)	36,850				439,285				1,364,087
	Allowance for loan losses, end of period	$	834,337			$	1,013,469			$	1,083,492
	Reserve for unfunded lending commitments, beginning of period	$	210,000			$	256,485			$	300,621
	Addition to (Release of) provision for unfunded lending commitments (1)	10,000				(46,485		)		(44,136		)
	Reserve for unfunded lending commitments, end of period	$	220,000			$	210,000			$	256,485
	Total allowance for credit losses, end of period	$	1,054,337			$	1,223,469			$	1,339,977
	-1	The Company defines the Provision for credit losses in the Consolidated Statement of Operations as the sum of the total provision for loan losses and provision for unfunded lending commitments.
	-2	On December 31, 2011, the Company deconsolidated SCUSA as a result of certain agreements with investors entered into during the fourth quarter of 2011. The activity for the years 2012 and 2013 does not include SCUSA activity.
Schedule of Non-performing Assets	'
	The following table presents the composition of non-performing assets at the dates indicated:
		At December 31,
		2013				2012
		(in thousands)
	Non-accrual loans:
	Commercial:
	Commercial real estate	$	250,073			$	291,236
	Commercial and industrial	100,894				122,111
	Multi-family	21,371				58,587
	Total commercial loans	372,338				471,934
	Consumer:
	Residential mortgages	473,566				511,382
	Consumer loans secured by real estate	141,961				170,486
	Consumer loans not secured by real estate	10,544				18,874
	Total consumer loans	626,071				700,742
	Total non-accrual loans	998,409				1,172,676
	Other real estate owned	88,603				65,962
	Other repossessed assets	3,073				3,301
	Total other real estate owned and other repossessed assets	91,676				69,263
	Total non-performing assets	$	1,090,085			$	1,241,939
Summary of Impaired Loans	'
	The following table summarizes impaired loans:
		AT DECEMBER 31,
		2013				2012
		(in thousands)
	Impaired loans with a related allowance	$	916,055			$	1,029,392
	Impaired loans without a related allowance	317,097				360,815
	Total impaired loans	$	1,233,152			$	1,390,207
	Allowance for loan losses reserved for impaired loans	$	225,796			$	267,054
Schedule of Loans Receivable by Credit Quality Classification	'
	The following table reconciles the Company's recorded investment classified by its major loan classifications to: (i) portfolio segments (commercial and consumer) and (ii) classes of financing receivables at December 31, 2013 and December 31, 2012:
			Commercial Portfolio Segment(2)
	Major Loan Classifications(1)		Corporate Banking				Middle Market Commercial Real Estate				Santander Real Estate Capital				Remaining Commercial			Total
	December 31, 2013
			(in thousands)
	Commercial loans held for investment:
	Commercial real estate		$	3,767,869			$	3,510,371			$	2,025,645			$	—		$	9,303,885
	Commercial and industrial loans (3)		12,534,472				251,666				31,964				2,315			12,820,417
	Multi-family loans		191,958				215,897				7,829,174				—			8,237,029
	Other		661,571				—				—				1,128,320			1,789,891
	Total commercial loans held for investment		$	17,155,870			$	3,977,934			$	9,886,783			$	1,130,635		$	32,151,222
	-1	These represent the Company's loan categories based on the United States Securities and Exchange Commission's (the "SEC's") Regulation S-X Article 9.
	-2	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC 310-10.
	-3	Commercial and industrial loans exclude $17.9 million of LHFS.
			Consumer Portfolio Segment(2)
	Major Loan Classifications(1)		Home Mortgages(3)				Self-originated home equity				Indirect Purchased				Credit Cards			Remaining Consumer			Total
	December 31, 2013
			(in thousands)
	Consumer loans secured by real estate:
	Residential mortgages		$	9,561,063			$	124			$	—			$	—		$	—		$	9,561,187
	Home equity loans and lines of credit		—				6,056,594				—				—			255,100			6,311,694
	Total consumer loans secured by real estate		9,561,063				6,056,718				—				—			255,100			15,872,881
	Consumer loans not secured by real estate:
	Auto loans		—				—				—				—			81,804			81,804
	Other		—				—				1,162,350				215,444			437,976			1,815,770
	Total consumer loans held for investment		$	9,561,063			$	6,056,718			$	1,162,350			$	215,444		$	774,880		$	17,770,455
	-1	These represent the Company's loan categories based on the SEC's Regulation S-X Article 9.
	-2	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC310-10.
	-3	Home mortgages exclude $111.0 million of LHFS.
	NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
			Commercial Portfolio Segment(2)
	Major Loan Classifications(1)		Corporate Banking				Middle Market Commercial Real Estate				Santander Real Estate Capital				Remaining Commercial			Total
	December 31, 2012
			(in thousands)
	Commercial loans held for investment:
	Commercial real estate		$	4,133,449			$	3,520,808			$	2,380,611			$	—		$	10,034,868
	Commercial and industrial loans		13,441,238				215,909				26,822				8,051			13,692,020
	Multi-family loans		223,009				212,176				7,137,370				—			7,572,555
	Other		615,225				—				—				1,016,671			1,631,896
	Total commercial loans held for investment		$	18,412,921			$	3,948,893			$	9,544,803			$	1,024,722		$	32,931,339
	-1	These represent the Company's loan categories based on the SEC's Regulation S-X Article 9.
	-2	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC 310-10.
			Consumer Portfolio Segment(2)
	Major Loan Classifications(1)		Home Mortgages(3)				Self-originated home equity				Indirect Purchased				Credit Cards			Remaining Consumer			Total
	December 31, 2012
			(in thousands)
	Consumer loans secured by real estate:
	Residential mortgages		$	10,399,879			$	—			$	—			$	—		$	1,088		$	10,400,967
	Home equity loans and lines of credit		—				6,333,426				—				—			305,040			6,638,466
	Total consumer loans secured by real estate		10,399,879				6,333,426				—				—			306,128			17,039,433
	Consumer loans not secured by real estate:
	Auto loans		—				—				—				—			295,398			295,398
	Other		—				—				1,473,278				214,542			434,921			2,122,741
	Total consumer loans held for investment		$	10,399,879			$	6,333,426			$	1,473,278			$	214,542		$	1,036,447		$	19,457,572
	-1	These represent the Company's loan categories based on the SEC's Regulation S-X Article 9.
	-2	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC 310-10.
	-3	Home mortgages exclude $843.4 million of LHFS.
Allowance for Credit Losses by Portfolio Segment	'
	The activity in the allowance for loan losses by portfolio segment for the year ended December 31, 2013 and 2012 was as follows:
		Year Ended December 31, 2013
		Commercial				Consumer				Unallocated				Total
		(in thousands)
	Allowance for loan losses, beginning of period	$	580,931			$	407,259			$	25,279			$	1,013,469
	Provision/(recovery) for loan losses	(67,472		)		101,985				2,337				36,850
	Charge-offs	(123,517		)		(191,687		)		—				(315,204		)
	Recoveries	53,132				46,090				—				99,222
	Charge-offs, net of recoveries	(70,385		)		(145,597		)		—				(215,982		)
	Allowance for loan losses, end of period	$	443,074			$	363,647			$	27,616			$	834,337
	Ending balance, individually evaluated for impairment	$	90,594			$	135,202			$	—			$	225,796
	Ending balance, collectively evaluated for impairment	$	352,481			$	228,444			$	27,616			$	608,541
	Financing receivables:
	Ending balance	$	32,169,154			$	17,881,472			$	—			$	50,050,626
	Ending balance, evaluated at fair value (1)	$	17,932			$	111,017			$	—			$	128,949
	Ending balance, individually evaluated for impairment (2)	$	479,343			$	753,809			$	—			$	1,233,152
	Ending balance, collectively evaluated for impairment	$	31,671,879			$	17,016,646			$	—			$	48,688,525
	-1	Represents LHFS.
	-2	Consumer loans individually evaluated for impairment consists of loans in TDR status.
		Year Ended December 31, 2012
		Commercial				Consumer				Unallocated				Total
		(in thousands)
	Allowance for loan losses, beginning of period	$	766,865			$	292,816			$	23,811			$	1,083,492
	Allowance released due to SCUSA Transaction	3,712				—				—				3,712
	Provision for loan losses	97,528				340,289				1,468				439,285
	Charge-offs	(335,114		)		(272,125		)		—				(607,239		)
	Recoveries	47,940				46,279				—				94,219
	Charge-offs, net of recoveries	(287,174		)		(225,846		)		—				(513,020		)
	Allowance for loan losses, end of period	$	580,931			$	407,259			$	25,279			$	1,013,469
	Ending balance, individually evaluated for impairment	$	112,784			$	154,270			$	—			$	267,054
	Ending balance, collectively evaluated for impairment	$	468,147			$	252,989			$	25,279			$	746,415
	Financing receivables:
	Ending balance	$	32,931,339			$	20,301,014			$	—			$	53,232,353
	Ending balance, evaluated at fair value (1)	$	—			$	843,442			$	—			$	843,442
	Ending balance, individually evaluated for impairment (2)	$	633,822			$	756,385			$	—			$	1,390,207
	Ending balance, collectively evaluated for impairment	$	32,297,517			$	18,701,187			$	—			$	50,998,704
	-1	Represents LHFS.
	-2	Consumer loans individually evaluated for impairment consists of loans in TDR status.
	NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
		Year Ended December 31, 2011
		Commercial				Consumer				Unallocated				Total
		(in thousands)
	Allowance for loan losses, beginning of period	$	905,786			$	1,275,982			$	15,682			$	2,197,450
	Allowance released due to SCUSA transaction	—				(1,208,474		)		—				(1,208,474		)
	Provision for loan losses	364,048				991,910				8,129				1,364,087
	Charge-offs	(545,028		)		(1,069,009		)		—				(1,614,037		)
	Recoveries	42,059				302,407				—				344,466
	Charge-offs, net of recoveries	(502,969		)		(766,602		)		—				(1,269,571		)
	Allowance for loan losses, end of period	$	766,865			$	292,816			$	23,811			$	1,083,492
	Ending balance, individually evaluated for impairment	$	217,865			$	34,691			$	—			$	252,556
	Ending balance, collectively evaluated for impairment	$	549,000			$	258,125			$	23,811			$	830,936
	Financing receivables:
	Ending balance	$	29,889,193			$	21,770,658			$	—			$	51,659,851
	Ending balance, evaluated at fair value (1)	$	—			$	352,471			$	—			$	352,471
	Ending balance, individually evaluated for impairment (2)	$	836,580			$	494,431			$	—			$	1,331,011
	Ending balance, collectively evaluated for impairment	$	29,052,613			$	20,923,756			$	—			$	49,976,369
	-1	Represents LHFS.
	-2	Consumer loans individually evaluated for impairment consists of loans in TDR status.
Schedule of Non-accrual Loans	'
	The recorded investments in non-accrual loans disaggregated by class of financing receivables are summarized as follows:
		December 31, 2013				December 31, 2012
		(in thousands)
	Non-accrual loans:
	Commercial:
	Corporate banking	$	193,407			$	213,922
	Middle market commercial real estate	147,800				190,073
	Santander real estate capital	27,756				65,809
	Remaining commercial	3,375				2,130
	Total commercial loans	372,338				471,934
	Consumer:
	Home mortgages	473,566				511,382
	Self-originated home equity	108,275				122,985
	Indirect purchased	3,474				5,698
	Remaining consumer	40,756				60,677
	Total consumer loans	626,071				700,742
	Total non-accrual loans	$	998,409			$	1,172,676
Aging Analysis of Loan Portfolio	'
	The age of recorded investments in past due loans and loans past due 90 days or more and still accruing disaggregated by class of financing receivables are summarized as follows as of December 31, 2013:
		30-59				60-89				Greater				Total			Current			Total			Recorded
		Days Past				Days Past				Than 90				Past Due						Financing			Investment
		Due				Due				Days										Receivables (1)			> 90 Days
																							and Accruing
		(in thousands)
	Commercial:
	Corporate banking	$	31,002			$	10,116			$	95,316			$	136,434		$	17,037,368		$	17,173,802		$	—
	Middle market commercial real estate	5,980				13,897				83,859				103,736			3,874,198			3,977,934			—
	Santander real estate capital	5,348				14,939				6,320				26,607			9,860,176			9,886,783			—
	Remaining commercial	2,001				127				1,905				4,033			1,126,602			1,130,635			—
	Consumer:
	Home mortgages	186,270				86,563				379,076				651,909			9,020,171			9,672,080			—
	Self-originated home equity	29,488				14,401				78,005				121,894			5,934,824			6,056,718			—
	Indirect purchased	9,779				4,748				2,660				17,187			1,145,163			1,162,350			—
	Credit cards	1,890				1,166				2,545				5,601			209,843			215,444			2,545
	Remaining consumer	32,051				11,769				34,173				77,993			696,887			774,880			—
	Total	$	303,809			$	157,726			$	683,859			$	1,145,394		$	48,905,232		$	50,050,626		$	2,545
	-1	Financing receivables include LHFS.
	Delinquencies disaggregated by class of financing receivables are summarized as follows as of December 31, 2012:
		30-59				60-89				Greater				Total			Current			Total			Recorded
		Days Past				Days Past				Than 90				Past Due						Financing			Investment
		Due				Due				Days (2)										Receivables (1)			> 90 Days
																							and
																							Accruing
		(in thousands)
	Commercial:
	Corporate banking	$	42,430			$	37,701			$	128,517			$	208,648		$	18,204,273		$	18,412,921		$	—
	Middle market commercial real estate	21,111				31,939				41,550				94,600			3,854,293			3,948,893			—
	Santander real estate capital	16,925				26,618				27,048				70,591			9,474,212			9,544,803			—
	Remaining commercial	1,906				266				1,464				3,636			1,021,086			1,024,722			—
	Consumer:
	Home mortgages	208,875				99,361				398,450				706,686			10,536,635			11,243,321			—
	Self-originated home equity	34,112				15,301				82,356				131,769			6,201,657			6,333,426			—
	Indirect purchased	12,495				6,040				4,317				22,852			1,450,426			1,473,278			—
	Credit cards	1,785				1,245				3,052				6,082			208,460			214,542			3,052
	Remaining consumer	52,863				18,382				50,634				121,879			914,568			1,036,447			—
	Total	$	392,502			$	236,853			$	737,388			$	1,366,743		$	51,865,610		$	53,232,353		$	3,052
	-1	Financing receivables include LHFS.
Schedule of Impaired Loans by Class	'
	Impaired loans disaggregated by class of financing receivables, excluding purchased impaired loans, are summarized as follows:
	December 31, 2013		Recorded Investment (1)				Unpaid				Related				Average
							Principal				Specific				Recorded
							Balance				Reserves				Investment
			(in thousands)
	With no related allowance recorded:
	Commercial:
	Corporate banking		$	54,637			$	76,139			$	—			$	60,949
	Middle market commercial real estate		103,670				125,933				—				103,771
	Santander real estate capital		24,919				24,919				—				24,519
	Remaining commercial		2,309				2,308				—				5,162
	Consumer:
	Home mortgages		92,143				92,143				—				98,874
	Self-originated home equity		31,074				31,074				—				35,512
	Indirect purchased		818				2,279				—				1,111
	Remaining consumer		7,527				15,141				—				9,058
	With an allowance recorded:
	Commercial:
	Corporate banking		154,810				169,511				60,892				180,532
	Middle market commercial real estate		120,387				184,672				26,130				137,183
	Santander real estate capital		18,611				18,611				3,572				44,467
	Remaining commercial		—				—				—				—
	Consumer:
	Home mortgages		547,329				603,866				124,746				538,648
	Self-originated home equity		54,900				63,975				5,479				49,626
	Credit cards		2,535				2,535				677				4,231
	Remaining consumer		17,483				17,482				4,300				18,037
	Total:
	Commercial		$	479,343			$	602,093			$	90,594			$	556,583
	Consumer		753,809				828,495				135,202				755,097
	Total		$	1,233,152			$	1,430,588			$	225,796			$	1,311,680
	-1	Recorded investment includes deferred loan fees, net of deferred origination costs and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.
	The Company recognized interest income of $42.0 million on approximately $656.6 million of TDRs that were returned to performing status as of December 31, 2013.
	NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
	December 31, 2012		Recorded Investment (1)				Unpaid				Related				Average
							Principal				Specific				Recorded
							Balance				Reserves				Investment
			(in thousands)
	With no related allowance recorded:
	Commercial:
	Corporate banking		$	67,261			$	89,023			$	—			$	54,950
	Middle market commercial real estate		103,872				104,486				—				116,437
	Santander real estate capital		24,118				24,118				—				23,921
	Remaining commercial		8,017				8,017				—				12,537
	Consumer:
	Home mortgages		105,604				105,604				—				52,802
	Self-originated home equity		39,950				39,950				—				39,136
	Indirect purchased		1,404				3,231				—				702
	Remaining consumer		10,589				14,588				—				14,763
	With an allowance recorded:
	Commercial:
	Corporate banking		206,253				226,594				59,740				204,842
	Middle market commercial real estate		153,978				231,960				37,393				227,824
	Santander real estate capital		70,323				79,116				15,651				93,713
	Remaining commercial		—				—				—				979
	Consumer:
	Home mortgages		529,966				584,571				138,629				512,199
	Self-originated home equity		44,352				56,691				7,532				22,176
	Credit cards		5,926				5,926				3,420				2,963
	Remaining consumer		18,594				26,253				4,689				9,297
	Total:
	Commercial		$	633,822			$	763,314			$	112,784			$	735,203
	Consumer		756,385				836,814				154,270				654,038
Total		$	1,390,207			$	1,600,128			$	267,054			$	1,389,241
-1	Recorded investment includes deferred loan fees, net of deferred origination costs and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.
Schedule of Troubled Debt Restructurings Subsequently Defaulted	'
	The following table details TDRs that were modified for during the past twelve-month period and have subsequently defaulted during the year ended December 31, 2013 and 2012.
		Year Ended December 31, 2013
		Number of			Recorded
		Contracts			Investment (1)(2)
		(dollars in thousands)
	Consumer:
	Home mortgages	16			$	3,416
	Self-originated home equity	13			1,011
	Total	29			$	4,427
	-1	The recorded investment represents the period-end balance at December 31, 2013.
	-2	Do not include Chapter 7 Bankruptcy TDRs.
		Year Ended December 31, 2012
		Number of			Recorded
		Contracts			Investment (1)(2)
		(dollars in thousands)
	Consumer:
	Home mortgages	23			$	3,430
	Self-originated home equity	6			789
	Remaining consumer	2			186
	Total	31			$	4,405
	-1	The recorded investment represents the period-end balance at December 31, 2012.
	-2	Do not include Chapter 7 Bankruptcy TDRs.
Financing Receivable, Recorded Investment [Line Items]	'
Schedule of Financing Receivable, by Credit Score	'
	r Lending Asset Quality Indicators-Credit Score
	Remaining consumer and credit card financing receivables by credit score are summarized as follows:
	December 31, 2013
	Credit Score Range (1)		Remaining Consumer Balance				Percent			Credit Cards Balance				Percent
			(dollars in thousands)
	<620		$	139,096			18	%		$	10,221			4.7	%
	620-639		34,864				4.5	%		6,152				2.9	%
	640-659		45,228				5.8	%		9,477				4.4	%
	660-679		52,780				6.8	%		15,378				7.2	%
	680-699		57,474				7.4	%		23,947				11.1	%
	700-719		57,016				7.4	%		29,894				13.9	%
	720-739		55,008				7.1	%		29,545				13.7	%
	740-759		39,791				5.1	%		26,002				12.1	%
	760-779		34,289				4.4	%		20,747				9.6	%
	780-799		27,263				3.5	%		17,772				8.2	%
	>€0		52,354				6.8	%		21,483				10	%
	N/A(1)		179,717				23.2	%		4,826				2.2	%
	Total		$	774,880			100	%		$	215,444			100	%
	-1	Credit scores updated quarterly. Loans serviced by third parties do not receive refreshed FICO scores.
	NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)
	December 31, 2012
	Credit Score Range (1)		Remaining Consumer Balance				Percent			Credit Cards Balance				Percent
			(dollars in thousands)
	<620		$	229,017			22.1	%		$	13,384			6.2	%
	620-639		42,755				4.1	%		6,803				3.2	%
	640-659		50,129				4.8	%		10,627				5	%
	660-679		57,775				5.6	%		16,995				7.9	%
	680-699		62,819				6.1	%		25,976				12.1	%
	700-719		57,914				5.6	%		31,638				14.7	%
	720-739		52,789				5.1	%		30,144				14.1	%
	740-759		48,101				4.6	%		25,632				11.9	%
	760-779		39,594				3.8	%		19,547				9.1	%
	780-799		32,685				3.2	%		16,327				7.6	%
	>€0		134,836				13	%		16,887				7.9	%
	N/A(1)		228,033				22	%		582				0.3	%
	Total		$	1,036,447			100	%		$	214,542			100	%
	-1	Credit scores updated quarterly. Loans serviced by third parties do not receive refreshed FICO scores.
	During the fourth quarter of 2013, the Company's process for estimating the allowance for loan losses associated with the Company's home equity portfolio was expanded to include consideration of the borrower's FICO scores. The home equity financing receivables by credit score are summarized below:
	December 31, 2013
	Credit Score Range		Home Equity Balance				Percent
			(dollars in thousands)
	<600		$	336,713			5.6	%
	600-639		281,186				4.6	%
	640-679		524,937				8.7	%
	680-719		869,460				14.4	%
	720-759		1,223,179				20.2	%
	>v0		2,775,970				45.8	%
	N/A(1)		45,273				0.7	%
	Total		$	6,056,718			100	%
	(1) Loans serviced by third parties do not receive refreshed FICO scores.
Schedule of Financing Receivable by LTV	'
	Home mortgage and self-originated home equity financing receivables by CLTV range are summarized as follows:
	December 31, 2013		Home mortgages							Self-originated home equity
	CLTV Range(1)		Balance				Percent			Balance				Percent
			(dollars in thousands)
	<€%		$	7,124,926			73.7	%		$	4,061,541			67	%
	80.01 - 90%		665,806				6.9	%		946,933				15.6	%
	90.01 - 100%		647,079				6.7	%		357,817				5.9	%
	100.01 - 120%		451,833				4.7	%		338,194				5.6	%
	120.01 - 140%		188,201				1.8	%		125,099				2.1	%
	>140%		199,016				2.1	%		108,664				1.8	%
	N/A		395,219				4.1	%		118,470				2	%
	Total(2)		$	9,672,080			100	%		$	6,056,718			100	%
	December 31, 2012		Home mortgages							Self-originated home equity
	CLTV Range(1)		Balance				Percent			Balance				Percent
			(dollars in thousands)
	<€%		$	7,488,720			66.6	%		$	3,927,163			62	%
	80.01 - 90%		904,376				8.1	%		1,000,224				15.8	%
	90.01 - 100%		717,066				6.4	%		429,240				6.8	%
	100.01 - 120%		575,915				5.1	%		476,165				7.5	%
	120.01 - 140%		239,384				2.1	%		197,071				3.1	%
	>140%		256,932				2.3	%		174,055				2.8	%
	N/A		1,060,928				9.4	%		129,508				2	%
	Total(2)		$	11,243,321			100	%		$	6,333,426			100	%
	-1	CLTV is inclusive of senior lien balances and updated as considered necessary. CLTV ranges represent the unpaid principal balance except for the "N/A" range which represents the unpaid principal balance plus deferred loan origination costs, net of deferred loan fees and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.
	-2	Financing receivables includes LHFS.
Schedule of Troubled Debt Restructurings on Financing Receivables, Performing and Nonperforming	'
	The following table summarizes the Company’s performing and non-performing TDRs at the dates indicated:
		December 31, 2013				December 31, 2012
		(in thousands)
	Performing	$	656,606			$	673,269
	Non-performing	347,037				418,070
	Total	$	1,003,643			$	1,091,339
Schedule of Troubled Debt Restructurings	'
	The following tables detail the activity of TDRs for the years ended December 31, 2013 and 2012.
		Year Ended December 31, 2013
		Number of			Pre-Modification				Post-Modification
		Contracts			Outstanding Recorded				Outstanding Recorded
					Investment (1)				Investment (2)
		(dollars in thousands)
	Commercial:
	Corporate banking	1			$	7,796			$	18,767
	Middle market commercial real estate	16			62,151				49,877
	Santander real estate capital	2			4,040				3,540
	Remaining Commercial	15			18,244				17,633
	Consumer:
	Home mortgages(3)	302			48,926				50,036
	Self-originated home equity	151			12,075				12,089
	Total	487			$	153,232			$	151,942
		Year Ended December 31, 2012
		Number of Contracts			Pre-Modification				Post-Modification
					Outstanding Recorded				Outstanding Recorded
					Investment (1)				Investment (2)
		(dollars in thousands)
	Commercial:
	Corporate banking	19			$	103,095			$	110,026
	Middle market commercial real estate	19			141,480				127,952
	Santander real estate capital	3			12,956				12,756
	Consumer:
	Home mortgages (3)	1,207			195,497				192,365
	Self-originated home equity	1,430			83,414				64,754
	Indirect purchased	335			7,085				3,078
	Remaining consumer	2,614			9,500				3,169
	Total	5,627			$	553,027			$	514,100
	-1	Pre-modification outstanding recorded investment amount is the month-end balance prior to the month the modification occurred.
	-2	Post-modification outstanding recorded investment amount is the month-end balance for the month that the modification occurred.
	-3	The post-modification outstanding recorded investment amounts for home mortgages exclude interest reserves.
Commercial [Member]	'
Financing Receivable, Recorded Investment [Line Items]	'
Schedule of Loans by Credit Quality Indicators	'
	Commercial loan credit quality indicators by class of financing receivables are summarized as follows:
	31-Dec-13		Corporate				Middle				Santander				Remaining			Total
			banking				market				real estate				commercial
							commercial				capital
							real estate
			(in thousands)
	Regulatory Rating:
	Pass		$	16,286,733			$	3,478,285			$	9,535,606			$	1,126,273		$	30,426,897
	Special Mention		362,853				112,849				164,759				374			640,835
	Substandard		475,601				317,425				180,417				3,988			977,431
	Doubtful		48,615				69,375				6,001				—			123,991
	Total commercial loans		$	17,173,802			$	3,977,934			$	9,886,783			$	1,130,635		$	32,169,154
	December 31, 2012		Corporate				Middle				Santander				Remaining			Total
			banking				market				real estate				commercial
							commercial				capital
							real estate
			(in thousands)
	Regulatory Rating:
	Pass		$	17,376,125			$	2,876,574			$	8,981,161			$	1,001,611		$	30,235,471
	Special Mention		429,425				561,734				326,795				13,981			1,331,935
	Substandard		520,677				388,673				196,711				9,130			1,115,191
	Doubtful		86,694				121,912				40,136				—			248,742
	Total commercial loans		$	18,412,921			$	3,948,893			$	9,544,803			$	1,024,722		$	32,931,339
Consumer [Member]	'
Financing Receivable, Recorded Investment [Line Items]	'
Schedule of Loans by Credit Quality Indicators	'
	Consumer Lending Asset Quality Indicators - Class of Financing Receivables
	Consumer loan credit quality indicator disaggregated by class of financing receivables is summarized as follows:
	December 31, 2013		Home				Self-originated				Indirect				Credit			Remaining			Total(1)
			mortgages				home equity				purchased				cards			consumer
			(in thousands)
	Performing		$	9,198,515			$	5,948,443			$	1,158,876			$	215,444		$	734,123		$	17,255,401
	Non-performing		473,565				108,275				3,474				—			40,757			626,071
	Total consumer loans		$	9,672,080			$	6,056,718			$	1,162,350			$	215,444		$	774,880		$	17,881,472
	-1	Financing receivables include LHFS.
	December 31, 2012		Home				Self-originated				Indirect				Credit			Remaining			Total(1)
			mortgages				home equity				purchased				cards			consumer
			(in thousands)
	Performing		$	10,731,939			$	6,210,441			$	1,467,580			$	214,542		$	975,770		$	19,600,272
	Non-performing		511,382				122,985				5,698				—			60,677			700,742
	Total consumer loans		$	11,243,321			$	6,333,426			$	1,473,278			$	214,542		$	1,036,447		$	20,301,014
	-1	Financing receivables include LHFS.

PREMISES_AND_EQUIPMENT_Tables

PREMISES AND EQUIPMENT (Tables)	12 Months Ended
	Dec. 31, 2013
Property, Plant and Equipment [Abstract]	'
Premises and Equipment	'
	Estimated useful lives are as follows:
	Office buildings	10 to 30 years
	Leasehold improvements(1)	10 to 30 years
	Software(2)	3 to 5 years
	Furniture, fixtures and equipment	3 to 10 years
	Automobiles	5 years
	(1)Leasehold improvements are depreciated over the shorter of the useful lives of the assets or the remaining term of the leases. The useful life of the leasehold improvements maybe extended beyond the base term of the lease contract when the lease contract includes renewal option period(s) that are reasonably assured of being exercised at the date the leasehold improvements are purchased.  At no point does the depreciable life exceed the economic useful life of the leasehold improvement or the expected term of the lease contract.
	(2)Standard depreciable period for software is three years. However, for larger software implementation projects, a five-year period is utilized. For the 2012 information technology ("IT") transformation, the Company utilized a depreciable period of five years.
	A summary of premises and equipment, less accumulated depreciation, follows:
		AT DECEMBER 31,
		2013			2012
		(in thousands)
	Land	$	54,690		$	55,921
	Office buildings	206,551			196,505
	Furniture, fixtures, and equipment	167,350			126,979
	Leasehold improvements	345,754			321,335
	Computer software	625,069			520,908
	Automobiles and other	536			1,206
	Total premises and equipment	1,399,950			1,222,854
	Less accumulated depreciation	(584,155		)	(474,085		)
	Total premises and equipment, net	$	815,795		$	748,769

EQUITY_METHOD_INVESTMENTS_VARI1

EQUITY METHOD INVESTMENTS, VARIABLE INTEREST ENTITIES AND SECURITIZATIONS (Tables)	12 Months Ended
	Dec. 31, 2013
Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract]	'
Schedule of Equity Method Investments	'
	Investments in unconsolidated entities as of December 31, 2013 and 2012 include the following:
			Ownership		December 31,		December 31,
			Interest		2013		2012
					(in thousands)
	SCUSA		65	%	$	2,933,491	$	2,668,994
	Community reinvestment projects		2.0 – 99.9%		73,445		101,663
	Other		various		78,514		63,812
	Total				$	3,085,450	$	2,834,469
Schedule of Variable Interest Entities	'
	The following tables provide a summary of the community reinvestment projects' maximum exposure to losses, associated with its interests related to unconsolidated VIEs for which the Company holds an interest, but is not the primary beneficiary, in the VIE at December 31, 2013 and 2012:
		31-Dec-13							December 31, 2012
		Maximum Exposure							Maximum Exposure
		Investment in Equity(1)			Commitments		Total		Investment in Equity(1)		Commitments		Total
		(in thousands)
	Low income housing partnerships	$	34,374		$	141	$	34,515	$	57,929	$	—	$	57,929
	New market partnerships	39,071			—		39,071		43,734		154		43,888
	Total	$	73,445		$	141	$	73,586	$	101,663	$	154	$	101,817
	(1) Amount represents the carrying value of the VIE's assets and liabilities on the Company's Consolidated Financial Statements which are classified within Equity method investments on the Consolidated Balance Sheet. This amount equals the carrying amount of the VIE's assets at each respective date.

GOODWILL_Tables

GOODWILL (Tables)	12 Months Ended
	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]	'
Schedule of Goodwill	'
	The following table presents activity in the Company's goodwill by its reporting units for the year ended December 31, 2013:
		Retail Banking			Auto Finance & Alliances		Investment Services		Real Estate & Commercial Banking			Specialty & Government Finance		GBM & Large Corporate		Total
		(in thousands)
	Goodwill at December 31, 2012	$	2,259,179		$	—	$	—	$	1,172,302		$	—	$	—	$	3,431,481
	Reallocation, March 31, 2013	(364,876		)	—		—		233,746			—		131,130		$	—
	Goodwill at March 31, 2013	1,894,303			—		—		1,406,048			—		131,130		$	3,431,481
	Reallocation, October 1, 2013	(198,217		)	71,522		126,695		(242,894		)	242,894		—		$	—
	Goodwill at December 31, 2013	$	1,696,086		$	71,522	$	126,695	$	1,163,154		$	242,894	$	131,130	$	3,431,481

OTHER_ASSETS_Tables

OTHER ASSETS (Tables)	12 Months Ended
	Dec. 31, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]	'
Schedule of Other Assets	'
	The following is a detail of items that comprise Other assets at December 31, 2013 and 2012:
			AT DECEMBER 31,
			2013			2012
			(in thousands)
	OREO		$	88,603		$	65,962
	Other repossessed assets		3,073			3,301
	Prepaid expenses		141,593			239,732
	Miscellaneous receivables		546,363			638,172
	Derivative assets at fair value		222,491			379,128
	MSRs, at fair value		141,787			92,512
	Core deposit intangibles and other intangibles, net		34,614			61,949
	Miscellaneous assets		30,584			34,743
	Total other assets		$	1,209,108		$	1,515,499
Summary of Activity for Residential MSRs	'
	The following table presents a summary of activity for the Company’s residential MSRs:
		Year Ended December 31,
		2013			2012			2011
		(in thousands)
	Gross carrying value at beginning of period	$	92,512		$	161,291		$	173,549
	Write-off of reserves	—			(70,040		)	—
	Mortgage servicing assets recognized	35,805			43,543			27,230
	Principal reductions	(23,009		)	(36,568		)	—
	Change in fair value due to valuation assumptions	36,479			(5,714		)	—
	Amortization and permanent impairment	—			—			(39,488		)
	Gross carrying value at end of period	141,787			92,512			161,291
	Valuation allowance	—			—			(70,040		)
	Carrying value at end of period	$	141,787		$	92,512		$	91,251

DEPOSITS_Tables

DEPOSITS (Tables)	12 Months Ended
	Dec. 31, 2013
Banking and Thrift [Abstract]	'
Summary of Deposits	'
	Deposits are summarized as follows:
		AT DECEMBER 31,
		2013						2012
		Balance			Percent of total deposits			Balance			Percent of total deposits
		(in thousands)
	Interest-bearing demand deposits	$	10,423,610		21.1	%		$	9,358,233		18.4	%
	Non-interest-bearing demand deposits	8,022,529			16.2	%		8,224,005			16.2	%
	Savings	3,885,724			7.8	%		3,800,469			7.5	%
	Money market	19,050,473			38.5	%		16,738,442			33	%
	Certificates of deposit	8,139,070			16.4	%		12,668,889			24.9	%
	Total Deposits (1)	$	49,521,406		100	%		$	50,790,038		100	%
	(1)	Includes foreign deposits of $516.1 million and $523.2 million at December 31, 2013 and 2012, respectively.
Summary of Interest Expense on Deposits	'
	Interest expense on deposits is summarized as follows:
			YEAR ENDED DECEMBER 31,
			2013			2012			2011
			(in thousands)
	Interest-bearing demand deposits		$	15,281		$	14,699		$	19,217
	Savings		5,377			5,778			4,503
	Money market		78,198			83,603			99,184
	Certificates of deposit		112,664			133,939			125,807
	Total Deposits		$	211,520		$	238,019		$	248,711
Schedule of Maturity of Certificates of Deposit $100,000 or More	'
	The following table sets forth the maturity of the Company’s CDs of $100,000 or more at December 31, 2013 as scheduled to mature contractually:
		(in thousands)
	Three months or less	$	643,448
	Over three through six months	611,655
	Over six through twelve months	719,745
	Over twelve months	812,784
	Total	$	2,787,632
Schedule of Maturity of All Certificates of Deposit	'
	The following table sets forth the maturity of all of the Company’s CDs at December 31, 2013 as scheduled to mature contractually:
		(in thousands)
	2014	$	6,148,217
	2015	572,893
	2016	1,281,456
	2017	82,897
	2018	50,343
	Thereafter	3,264
	Total	$	8,139,070

BORROWINGS_AND_OTHER_DEBT_OBLI1

BORROWINGS AND OTHER DEBT OBLIGATIONS (Tables)	12 Months Ended
	Dec. 31, 2013
Debt Instrument [Line Items]	'
Schedule of maturities of borrowings and other debt obligations	'
	The following table sets forth the maturities of the Company’s consolidated borrowings and debt obligations (including the impact of expected cash flows on interest rate swaps) at December 31, 2013:
		(in thousands)
	2014	$	3,205,349
	2015	3,449,829
	2016	1,972,133
	2017	499,276
	2018	1,895,271
	Thereafter	1,354,766
	Total	$	12,376,624
Holding Company [Member]	'
Debt Instrument [Line Items]	'
Schedule of borrowings and other debt obligations	'
	The following table presents information regarding SHUSA's borrowings and other debt obligations at the dates indicated:
			December 31, 2013				December 31, 2012
			Balance		Effective		Balance		Effective
					Rate				Rate
			(in thousands)
	SHUSA borrowings and other debt obligations:
	3.00% senior notes, due September 2015(1)		$	598,965	3.28	%	$	597,575	3.28	%
	4.625% senior notes, due April 2016(2)		474,306		4.85		474,430		4.85
	3.45% senior notes, due August 2018(3)		499,148		3.62		—		—
	Subordinated notes, due March 2020(4)		756,829		5.96		754,895		5.96
	Junior subordinated debentures – Capital Trust IV, due March 2034(5)		611		12.84		476,603		12.84
	Common securities - Capital Trust IV		24,742		4.38		24,742		4.38
	Junior subordinated debentures – Capital Trust VI, due June 2036(5)(6)		70,262		7.91		75,537		7.91
	Common securities - Capital Trust VI		10,000		7.91		10,000		7.91
	Junior subordinated debentures – Capital Trust IX, due July 2036(5)		150,000		2.04		150,000		2.09
	Common securities - Capital Trust IX		4,640		2.04		4,640		2.09
	Total holding company borrowings and other debt obligations		$	2,589,503	4.5	%	$	2,568,422	6.23	%
	-1	On September 24, 2012, SHUSA issued $600.0 million of 3.00% senior notes which mature on September 24, 2015. Deferred issuance costs totaled $3.0 million.
	(2) During April 2011, the Company issued $500.0 million in 5-year fixed-rate senior unsecured notes at a rate of 4.625%, which mature on April 19, 2016.
	-3	In August 2013, SHUSA issued debt securities in the amount of $500.0 million, due August 2018. The total fees and costs incurred related to this issuance were $3.1 million, which are being deferred and capitalized.
	(4) In March 2010, the Company issued a $750 million subordinated note to Santander, which matures in March 2020. This subordinated note bears interest at 5.75% until March 2015 and then bears interest at 6.25% until maturity. These notes were subsequently converted to common stock in February 2014. See further discussion in Note 11 to the Consolidated Financial Statements.
	-5	The total balance of junior subordinated debentures due to Capital Trust entities at December 31, 2013 was $260.3 million. Included in this balance is the remaining amount outstanding of Trust Preferred Income Equity Redeemable Securities ("Trust PIERS"). In December 2013, SHUSA executed a cash tender of its Sovereign Capital Trust IV 4.375% Trust PIERS in the aggregate liquidation amount of $475.8 million. The Company incurred a loss of $6.1 million on this transaction.
	-6	As part of the Company's liability cost management, it executed a fixed-priced cash tender offer of its Sovereign Capital Trust VI 7.908% Capital Securities. Securities with an aggregate liquidation amount totaling $164 million were validly tendered during October 2012 at a price of $1,050 per $1,000 liquidation amount. As a result, the Company incurred costs of $10.1 million, which were recognized as a loss on debt extinguishment in 2012.
Santander Bank [Member]	'
Debt Instrument [Line Items]	'
Schedule of borrowings and other debt obligations	'
	The following table presents information regarding the Bank's borrowings and other debt obligations at the dates indicated:
			December 31, 2013				December 31, 2012
			Balance		Effective		Balance		Effective
					Rate				Rate
			(in thousands)
	Bank borrowings and other debt obligations:
	Overnight federal funds purchased(1)		$	—	—	%	$	340,000	0.17	%
	Securities sold under repurchase agreements(1)(2)		—		—		2,107,986		0.48
	5.125% subordinated debentures, due March 2013(3)		—		—		254,647		5.14
	8.750% subordinated debentures, due May 2018(3)		497,427		8.91		496,971		8.8
	FHLB advances, maturing through August 2018(4)		8,952,012		3.36		13,189,396		2.55
	Subordinated term loan, due February 2019(5)		150,273		6.06		156,350		6.39
	REIT preferred, due May 2020(6)		151,918		13.83		150,434		13.95
	Subordinated term loan, due August 2022(7)		35,491		7.78		—		—
	Total Bank borrowings and other debt obligations		$	9,787,121	3.87	%	$	16,695,784	2.59	%
	-1	Overnight federal funds and securities sold under repurchase agreements are short-term in nature and due within one year.
	-2	Included in borrowings and other debt obligations are sales of securities under repurchase agreements. Repurchase agreements are treated as financings with the obligations to repurchase securities sold reflected as a liability on the balance sheet. The dollar amount of securities underlying the agreements remains recorded as an asset, although the securities underlying the agreements are delivered to the brokers who arranged the transactions. In certain instances, the broker may have sold, loaned, or disposed of the securities to other parties in the normal course of their operations, and have agreed to deliver to the Bank substantially similar securities at the maturity of the agreements. The broker/dealers who participate with the Bank in these agreements are primarily broker/dealers reporting to the FRB of New York.
	-3	The Bank has issued various subordinated notes. These debentures are non-callable fixed-rate notes that are due between March 2013 and May 2018. These notes are not subject to redemption prior to their maturity dates except in the case of the insolvency or liquidation of the Bank.
	-4	In January 2013, the Bank terminated $40.0 million of FHLB callable advances, and incurred costs of $0.2 million through loss on debt extinguishment. During the third quarter of 2013, the Bank terminated $2.0 billion of FHLB callable advances. No costs were incurred as a result of this termination. In January 2012, the Bank terminated $500.0 million of FHLB callable advances. As a consequence, the Bank incurred costs of $5.2 million through loss on debt extinguishment. During the fourth quarter of 2012, the Bank terminated $290.0 million of FHLB callable advances. As a consequence, the Company incurred costs of $36.2 million through loss on debt extinguishment. FHLB advances include the offsetting effect of the value of terminated fair value hedges.
	-5	On June 1, 2012, a subsidiary of the Bank executed a financing agreement with third-party lenders for a $160 million seven-year term loan due February 2, 2019 (the “Term Loan”). The subsidiary used the proceeds at closing to repay the outstanding balance under, and concurrently terminate, its existing $154.9 million loan with Santander. At closing, the existing debt had unamortized debt issuance costs which were recognized as a loss on debt extinguishment in the second quarter of 2012. Total fees and costs incurred related to the assumption of the Term Loan were $5.7 million, which are being deferred and capitalized.
	-6	On August 21, 2000, the Bank received approximately $140 million of net proceeds from the issuance of $161.8 million of 12% Series A Noncumulative Preferred Interests in Sovereign Real Estate Investment Trust (“SREIT”), a subsidiary of the Bank, that holds primarily residential real estate loans. The preferred stock was issued at a discount, and is being amortized over the life of the preferred shares using the effective yield method. The preferred shares may be redeemed at any time on or after May 16, 2020 at the option of the Bank subject to the approval of the OCC. Under certain circumstances, the preferred shares are automatically exchangeable into preferred stock of the Bank. The offering was made exclusively to institutional investors. The proceeds of this offering were principally used to repay corporate debt.
	-7	In August 2013, a subsidiary of the Bank entered into a financing agreement with third party lenders for a $36.0 million 9-year term loan due August 15, 2022. The total fees and costs incurred related to the term loan were $3.3 million, which are being deferred and capitalized.

ACCUMULATED_OTHER_COMPREHENSIV1

ACCUMULATED OTHER COMPREHENSIVE INCOME / (LOSS) (Tables)	12 Months Ended
	Dec. 31, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]	'
Schedule of Accumulated Other Comprehensive Income (Loss)	'
	The following table presents the components of accumulated other comprehensive income/(loss), net of related tax, for the years ended 2013, 2012 and 2011.
		Total Other									Total Accumulated
		Comprehensive Income									Other Comprehensive Income/(Loss)
		For the Year									December 31, 2012						December 31, 2013
		Ended December 31, 2013
		Pretax			Tax			Net Activity			Beginning			Net			Ending
		Activity			Effect						Balance			Activity			Balance
		(in thousands)
	Change in accumulated gains/(losses) on cash flow hedge derivative financial instruments	$	2,041		$	(655	)	$	1,386
	Reclassification adjustment for net losses on cash flow hedge derivative financial instruments (1)	65,145			(26,780		)	38,365
	Net unrealized gains/(losses) on cash flow hedge derivative financial instruments	67,186			(27,435		)	39,751			$	(79,174	)	$	39,751		$	(39,423	)
	Change in unrealized gains/(losses) on investment securities available-for-sale	(584,681		)	230,787			(353,894		)
	Reclassification adjustment for net losses included in net income on non-OTTI securities (2)	(73,084		)	28,848			(44,236		)
	Reclassification adjustment for net gains included in net income on OTTI securities(3)	63,630			(25,116		)	38,514
	Total reclassification adjustment for net (losses)/gains included in net income	(9,454		)	3,732			(5,722		)
	Net unrealized (losses)/gains on investment securities available-for-sale	(594,135		)	234,519			(359,616		)	160,224			(359,616		)	(199,392		)
	Pension and post-retirement actuarial gain/(loss)(4)	18,566			(7,403		)	11,163			(26,716		)	11,163			(15,553		)
	As of December 31, 2013	$	(508,383	)	$	199,681		$	(308,702	)	$	54,334		$	(308,702	)	$	(254,368	)
	NOTE 12. ACCUMULATED OTHER COMPREHENSIVE INCOME / (LOSS) (continued)
		Total Other									Total Accumulated
		Comprehensive Income									Other Comprehensive Income/(Loss)
		For the Year									December 31, 2011						December 31, 2012
		Ended December 31, 2012
		Pretax			Tax			Net Activity			Beginning			Net			Ending
		Activity			Effect						Balance			Activity			Balance
		(in thousands)
	Change in accumulated gains/(losses) on cash flow hedge derivative financial instruments	$	(40,085	)	$	15,955		$	(24,130	)
	Reclassification adjustment for net losses on cash flow hedge derivative financial instruments(1)	87,965			(35,013		)	52,952
	Net unrealized gains/(losses) on cash flow hedge derivative financial instruments	47,880			(19,058		)	28,822			$	(107,996	)	$	28,822		$	(79,174	)
	Change in unrealized gains/(losses) on investment securities available-for-sale	217,556			(82,413		)	135,143
	Reclassification adjustment for net losses included in net income on non-OTTI securities(2)	(100,891		)	38,219			(62,672		)
	Net unrealized gains/(losses) on investment securities available-for-sale	116,665			(44,194		)	72,471			87,753			72,471			160,224
	Pension and post-retirement actuarial gain/(loss)(4)	(396		)	155			(241		)	(26,475		)	(241		)	(26,716		)
	As of December 31, 2012	$	164,149		$	(63,097	)	$	101,052		$	(46,718	)	$	101,052		$	54,334
	NOTE 12. ACCUMULATED OTHER COMPREHENSIVE INCOME / (LOSS) (continued)
		Total Other									Total Accumulated
		Comprehensive Income									Other Comprehensive Income/(Loss)
		For the Year									December 31, 2010						December 31, 2011
		Ended December 31, 2011
		Pretax			Tax			Net Activity			Beginning			Net			Ending
		Activity			Effect						Balance			Activity			Balance
		(in thousands)
	Change in accumulated gains/(losses) on cash flow hedge derivative financial instruments	$	(66,196	)	$	25,514		$	(40,682	)
	Reclassification adjustment for net losses on cash flow hedge derivative financial instruments(1)	61,311			(23,373		)	37,938
	SCUSA Transaction	31,703			(12,015		)	19,688
	Net unrealized gains/(losses) on cash flow hedge derivative financial instruments	26,818			(9,874		)	16,944			$	(124,940	)	$	16,944		$	(107,996	)
	Change in unrealized gains/(losses) on investment securities available-for-sale	231,531			(88,091		)	143,440
	Reclassification adjustment for net losses included in net income on non-OTTI securities(2)	74,597			(29,317		)	45,280
	SCUSA Transaction	(13,212		)	5,020			(8,192		)
	Net unrealized gains/(losses) on investment securities available-for-sale	292,916			(112,388		)	180,528			(92,775		)	180,528			87,753
	Pension and post-retirement actuarial gain/(loss)(4)	(16,473		)	6,473			(10,000		)	(16,475		)	(10,000		)	(26,475		)
	Total, December 31, 2011	$	303,261		$	(115,789	)	$	187,472		$	(234,190	)	$	187,472		$	(46,718	)
	(1) Net losses reclassified into Interest on borrowings and other debt obligations in the Consolidated Statement of Operations for settlements of interest rate swap contracts designated as cash flow hedges.
	(2) Net gains reclassified into Net gain on sale of investment security sales in the Consolidated Statement of Operations for the sale of available-for-sale securities.
	(3) Unrealized losses previously recognized in accumulated other comprehensive income on securities for which OTTI was recognized during the period. See further discussion in Note 3 to the Consolidated Financial Statements.
	(4) Included in the computation of net periodic pension costs.

DERIVATIVE_INSTRUMENTS_AND_HED1

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Tables)	12 Months Ended
	Dec. 31, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'
Schedule of Derivative Instruments	'
	Shown below is a summary of the derivatives designated as accounting hedges at December 31, 2013 and 2012:
		Notional				Asset			Liability			Weighted Average Receive			Weighted Average Pay			Weighted Average Life
		Amount										Rate			Rate			(Years)
		(in thousands)
	December 31, 2013
	Fair value hedges:
	Cross-currency swaps	$	19,995			$	1,073		$	1,924		4.76	%		4.75	%		2.11
	Cash flow hedges:
	Pay fixed — receive floating interest rate swaps	2,700,312				4,803			58,381			0.24	%		2.46	%		1.89
	Total	$	2,720,307			$	5,876		$	60,305		0.27	%		2.47	%		1.9
	December 31, 2012
	Fair Value hedges:
	Cross-currency swaps	$	79,765			$	10,452		$	11,458		3.42	%		3.41	%		3.7
	Cash flow hedges:
	Pay fixed — receive floating interest rate swaps	3,649,088				524			120,844			0.34	%		2.34	%		2
	Total	$	3,728,853			$	10,976		$	132,302		0.4	%		2.36	%		2.1
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value	'
	Summary information regarding other derivative activities at December 31, 2013 and 2012 follows:
		Notional							Asset derivatives							Liability derivatives
									Fair value							Fair value
		December 31, 2013				December 31, 2012			December 31, 2013			December 31, 2012				December 31, 2013			December 31, 2012
		(in thousands)
	Mortgage banking derivatives:
	Forward commitments to sell loans	$	169,608			$	1,392,892		$	2,101		$	—			$	—		$	3,364
	Interest rate lock commitments	75,787				852,245			547			15,402				—			—
	Mortgage servicing rights	245,000				270,000			6,155			204				488			1,023
	Total mortgage banking risk management	490,395				2,515,137			8,803			15,606				488			4,387
	Customer related derivatives:
	Swaps receive fixed	$	5,665,350			$	5,405,619		$	166,871		$	361,858			$	28,561		$	128
	Swaps pay fixed	5,661,555				5,464,567			54,693			616				166,473			353,830
	Other	1,385,904				999,008			4,247			4,460				3,635			3,942
	Total customer related derivatives	12,712,809				11,869,194			225,811			366,934				198,669			357,900
	Other derivative activities:
	Foreign exchange contracts	1,253,395				951,784			11,631			9,998				9,745			7,638
	Other	291,437				303,621			4,764			5,227				4,496			5,640
	Total	$	14,748,036			$	15,639,736		$	251,009		$	397,765			$	213,398		$	375,565
Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance	'
	The following Consolidated Statement of Operations line items were impacted by the Company’s derivative activities for the years ended December 31, 2013, 2012 and 2011, respectively:
			Twelve-Month Period Ended
	Derivative Activity		December 31, 2013		December 31, 2012		December 31, 2011
	Fair value hedges:
	Cross-currency swaps		Increase to capital markets revenue of $1.7 million.		Increase in net interest income of $0.1 million and a decrease to capital markets revenue of $0.1 million		Increase in net interest income of $29 thousand
	Cash flow hedges:
	Pay fixed-receive variable interest rate swaps		Decrease in net interest income of $65.9 million.		Decrease in net interest income of $81.0 million		Decrease in net interest income of $137.7 million
	Other derivative activities:
	Forward commitments to sell loans		Increase in mortgage banking revenues of $5.5 million.		Increase in mortgage banking revenues of $5.2 million		Decrease in mortgage banking revenues of $12.1 million
	Interest rate lock commitments		Decrease in mortgage banking revenues of $14.9 million.		Increase in mortgage banking revenues of $8.1 million		Increase in mortgage banking revenues of $6.6 million
	Mortgage servicing rights		Increase in mortgage banking revenues of $6.5 million.		Decrease in mortgage banking revenues of $0.8 million		No income effect.
	Customer related derivatives		Increase in capital markets revenue of $17.2 million.		Increase in capital markets revenue of $17.3 million		Decrease in capital markets revenue of $21.3 million
	Foreign exchange		Decrease in capital markets revenue of $1.0 million		Increase in capital markets revenue of $2.6 million		Decrease in capital markets revenue of $7.3 million
	Other		Increase to net interest income of $3.1 million and increase of $0.7 million to capital markets revenue.		Increase in other non-interest income of $0.5 million. Decrease to net interest income and increase to capital markets revenue of $11.3 million and $1.2 million, respectively.		Decreases to other non-interest income, net interest income, and capital markets revenue of $1.4 million, $38.7 million, and $0.7 million, respectively.
Offsetting Assets	'
	Information about financial assets and liabilities that are eligible for offset on the Consolidated Balance Sheet as of December 31, 2013 and December 31, 2012, respectively, is presented in the following tables:
			Offsetting of Financial Assets
													Gross Amounts Not Offset in the Consolidated Balance Sheet
			Gross Amounts of Recognized Assets				Gross Amounts Offset in the Consolidated Balance Sheet			Net Amounts of Assets Presented in the Consolidated Balance Sheet			Financial Instruments				Cash Collateral Received			Net Amount
			(in thousands)
	31-Dec-13
	Fair value hedges		$	1,073			$	—		$	1,073		$	—			$	—		$	1,073
	Cash flow hedges		4,803				—			4,803			—				—			4,803
	Other derivative activities(1)		249,619				34,394			215,225			3,992				47,706			163,527
	Total derivatives subject to a master netting arrangement or similar arrangement		255,495				34,394			221,101			3,992				47,706			169,403
	Total derivatives not subject to a master netting arrangement or similar arrangement(2)		1,390				—			1,390			—				—			1,390
	Total Derivatives Assets		$	256,885			$	34,394		$	222,491		$	3,992			$	47,706		$	170,793
	Total Financial Assets		$	256,885			$	34,394		$	222,491		$	3,992			$	47,706		$	170,793
	31-Dec-12
	Fair value hedges		$	10,452			$	10,452		$	—		$	—			$	—		$	—
	Cash flow hedges		524				—			524			—				—			524
	Other derivative activities(1)		382,363				19,161			363,202			14,364				1,410			347,428
	Total derivatives subject to a master netting arrangement or similar arrangement		393,339				29,613			363,726			14,364				1,410			347,952
	Total derivatives not subject to a master netting arrangement or similar arrangement(2)		15,402				—			15,402			—				—			15,402
	Total Derivatives Assets		$	408,741			$	29,613		$	379,128		$	14,364			$	1,410		$	363,354
	Reverse repurchase, securities borrowing, and similar arrangement		—				—			—			—				—			—
	Total Financial Assets		$	408,741			$	29,613		$	379,128		$	14,364			$	1,410		$	363,354
	-1	Includes customer-related and other derivatives
	-2	Includes mortgage banking derivatives
Offsetting Liabilities	'
			Offsetting of Financial Liabilities
													Gross Amounts Not Offset in the Consolidated Balance Sheet
			Gross Amounts of Recognized Liabilities				Gross Amounts Offset in the Consolidated Balance Sheet			Net Amounts of Liabilities Presented in the Consolidated Balance Sheet			Financial Instruments				Cash Collateral Pledged			Net Amount
			(in thousands)
	31-Dec-13
	Fair value hedges		$	1,924			$	—		$	1,924		$	—			$	1,311		$	613
	Cash flow hedges		58,381				—			58,381			34,881				40,817			(17,317		)
	Other derivative activities(1)		213,400				34,394			179,006			102,402				37,538			39,066
	Total derivatives subject to a master netting arrangement or similar arrangement		273,705				34,394			239,311			137,283				79,666			22,362
	Total derivatives not subject to a master netting arrangement or similar arrangement(2)		—				—			—			—				—			—
	Total Derivatives Liabilities		$	273,705			$	34,394		$	239,311		$	137,283			$	79,666		$	22,362
	Total Financial Liabilities		$	273,705			$	34,394		$	239,311		$	137,283			$	79,666		$	22,362
	31-Dec-12
	Fair value hedges		$	11,458			$	10,452		$	1,006		$	43			$	901		$	62
	Cash flow hedges		120,844				6			120,838			11,320				110,327			(809		)
	Other derivative activities(1)		372,201				19,155			353,046			35,473				296,700			20,873
	Total derivatives subject to a master netting arrangement or similar arrangement		504,503				29,613			474,890			46,836				407,928			20,126
	Total derivatives not subject to a master netting arrangement or similar arrangement(2)		3,364				—			3,364			—				—			3,364
	Total Derivatives Liabilities		$	507,867			$	29,613		$	478,254		$	46,836			$	407,928		$	23,490
	Reverse repurchase, securities borrowing, and similar arrangement		2,107,986				—			2,107,986			2,650,823				60,259			(603,096		)
	Total Financial Liabilities		$	2,615,853			$	29,613		$	2,586,240		$	2,697,659			$	468,187		$	(579,606	)
	-1	Includes customer-related and other derivatives
	-2	Includes mortgage banking derivatives

INCOME_TAXES_Tables

INCOME TAXES (Tables)	12 Months Ended
	Dec. 31, 2013
Income Tax Disclosure [Abstract]	'
Schedule of Components of Income Tax Expense (Benefit)	'
	The provision/(benefit) for income taxes in the Consolidated Statement of Operations is comprised of the following components:
		YEAR ENDED DECEMBER 31,
		2013				2012				2011
		(in thousands)
	Current:
	Foreign	$	208			$	107			$	80
	Federal	(79,281		)		12,806				269,797
	State	5,099				12,145				141,056
	Total current	(73,974		)		25,058				410,933
	Deferred:
	Federal	189,274				(125,681		)		453,456
	State	45,000				(5,825		)		43,890
	Total deferred	234,274				(131,506		)		497,346
	Total income tax provision/(benefit)	$	160,300			$	(106,448	)		$	908,279
Schedule of Effective Income Tax Rate Reconciliation	'
	The following is a reconciliation of the U.S. federal statutory rate of 35.0% to the Company’s effective tax rate for each of the years indicated:
		YEAR ENDED DECEMBER 31,
		2013			2012			2011
	Federal income tax at statutory rate	35	%		35	%		35	%
	Increase/(decrease) in taxes resulting from:
	Valuation allowance	(0.1	)%		(2.5	)%		0.3	%
	Tax-exempt income	(4.1	)%		(5.3	)%		(1.0	)%
	Bank owned life insurance	(2.5	)%		(4.5	)%		(0.9	)%
	State income taxes, net of federal tax benefit	4.8	%		3.5	%		5.2	%
	Investment tax credits(1)	(2.1	)%		(19.8	)%		—	%
	Low income housing credits	(2.6	)%		(5.7	)%		(1.4	)%
	Accelerated discount accretion	—	%		—	%		4.5	%
	Dividend from SCUSA	(7.1	)%		(31.2	)%		—	%
	Other	(1.0	)%		7.1	%		0.3	%
	Effective tax rate	20.3	%		(23.4	)%		42	%
	(1) Investment tax credits in 2013 were the result of the Company's investment in a VIE. Investment tax credits in 2012 were the result of the Company's investment in direct financing lease transactions.
Schedule of Deferred Tax Assets and Liabilities	'
	The tax effects of temporary differences that give rise to the deferred tax assets and deferred tax liabilities are presented below:
		AT DECEMBER 31,
		2013				2012
		(in thousands)
	Deferred tax assets:
	Allowance for loan losses	$	328,184			$	380,503
	Unrealized loss on available-for-sale securities	129,170				—
	Unrealized loss on derivatives	22,085				46,333
	Net operating loss carry forwards	588,223				454,265
	Non-solicitation payments	14,837				24,024
	Employee benefits	70,345				66,380
	General business credit carry forwards	260,996				243,373
	Foreign tax credit carry forwards	60,688				60,688
	Broker commissions paid on originated mortgage loans	25,766				26,882
	Minimum tax credit carry forward	150,482				192,387
	IRC Section 382 recognized built in losses	25,818				31,578
	Recourse reserves	49,160				67,704
	Deferred interest expense	82,453				207,189
	Other	68,501				43,424
	Total gross deferred tax assets	1,876,708				1,844,730
	Valuation allowance	(94,601		)		(95,201		)
	Total deferred tax assets	1,782,107				1,749,529
	Deferred tax liabilities:
	Purchase accounting adjustments	8,976				15,911
	Deferred income	12,539				12,339
	Originated mortgage servicing rights	45,228				24,505
	Unrealized gain on available-for-sale portfolio	—				105,349
	SCUSA Transaction deferred gain	471,762				368,716
	Leasing transactions	207,384				156,343
	Depreciation and amortization	285,158				258,697
	Other	3,102				27,246
	Total gross deferred tax liabilities	1,034,149				969,106
	Net deferred tax asset	$	747,958			$	780,423
Schedule of Unrecognized Tax Benefits Roll Forward	'
	A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
		Federal				Accrued				Unrecognized
		State and				Interest				Income Tax
		Local Tax				and Penalties				Benefits
		(in thousands)
	Gross unrecognized tax benefits at January 1, 2011	$	110,363			$	26,588			$	136,951
	SCUSA Transaction	—				(5,998		)		(5,998		)
	Additions based on tax positions related to 2011	12,275				—				12,275
	Additions for tax positions of prior years	2,079				2,099				4,178
	Reductions for tax positions of prior years	—				(842		)		(842		)
	Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations	(3,343		)		(441		)		(3,784		)
	Settlements	(13,691		)		(1,861		)		(15,552		)
	Gross unrecognized tax benefits at December 31, 2011	107,683				19,545				127,228
	Additions based on tax positions related to 2012	2,536				—				2,536
	Additions for tax positions of prior years	21,000				5,280				26,280
	Reductions for tax positions of prior years	(356		)		—				(356		)
	Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations	(750		)		(205		)		(955		)
	Settlements	(4,648		)		(1,597		)		(6,245		)
	Gross unrecognized tax benefits at December 31, 2012	125,465				23,023				148,488
	Additions based on tax positions related to the current year	2,339				—				2,339
	Additions for tax positions of prior years	—				936				936
	Gross unrecognized tax benefits at December 31, 2013	$	127,804			$	23,959			151,763
	Less: Federal, state and local income tax benefits									(14,324		)
	Net unrecognized tax benefits that if recognized would impact the effective tax rate at December 31, 2013									$	137,439

STOCKBASED_COMPENSATION_Tables

STOCK-BASED COMPENSATION (Tables)	12 Months Ended
	Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	'
Schedule of Nonvested Restricted Stock	'
	The table below summarizes the changes in the Bank’s non-vested performance stock during the past year.
		Shares		Weighted average
				grant  date fair value
	Total non-vested performance stock at December 31, 2012	1,536,853		$	8.65
	Santander performance shares granted in 2013	—		—
	Santander performance shares vested in 2013	—		—
	Non-vested shares forfeited during 2013	(829,480	)	11.54
	Total non-vested performance stock at December 31, 2013	707,373		$	5.25

EMPLOYEE_BENEFIT_PLANS_Tables

EMPLOYEE BENEFIT PLANS (Tables)	12 Months Ended
	Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]	'
Schedule of Changes in Benefit Obligation and Plan Assets, Components of Net Period Pension Expense	'
	The following tables summarizes the benefit obligation, change in Plan assets and components of net periodic pension expense for the Plan as of December 31, 2013 and 2012:
			Year ended December 31,
			2013				2012
			(in thousands)
	Change in benefit obligation:
	Benefit obligation at beginning of year		$	102,719			$	99,411
	Service cost		302				287
	Interest cost		3,989				4,136
	Actuarial (loss)/gain		(12,928		)		4,087
	Annuity payments		(5,020		)		(5,202		)
	Projected benefit obligation at year end		$	89,062			$	102,719
	Change in plan assets:
	Fair value at beginning of year		$	68,079			$	61,641
	Employer contributions		4,866				7,100
	Actual return on plan assets		5,258				4,540
	Annuity payments		(5,020		)		(5,202		)
	Fair value at year end		$	73,183			$	68,079
	Components of net periodic pension expense:
	Service cost		$	302			$	287
	Interest cost		3,989				4,136
	Expected return on plan assets		(4,615		)		(4,469		)
	Amortization of unrecognized actuarial loss		3,858				3,975
	Net periodic pension expense		$	3,534			$	3,929
Schedule of Assumptions Used	'
	The assumptions utilized to calculate the projected benefit obligation and net periodic pension expense at December 31, 2013 and 2012 were:
			December 31, 2013			December 31, 2012
	Discount rate		5	%		4	%
	Expected long-term return on plan assets		7	%		7	%
	Salary increase rate		—	%		—	%
Schedule of Expected Benefit Payments	'
	The following table sets forth the expected benefit payments to be paid in future years for the Plan:
	2014	$	5,061,179
	2015	5,158,725
	2016	5,187,358
	2017	5,286,105
	2018	5,443,568
	2019-2023	28,287,619
	Total	$	54,424,554

FAIR_VALUE_Tables

FAIR VALUE (Tables)	9 Months Ended																12 Months Ended
	Sep. 30, 2013																Dec. 31, 2013
Fair Value Disclosures [Abstract]	'																'
Fair Value of Financial Instruments	'																'
	The following table presents the increases and decreases in value of certain assets that are measured at fair value on a nonrecurring basis for which a fair value adjustment has been included in the Consolidated Statements of Operations relating to assets held at period end.
																		December 31, 2013
		Statement of Operations		Twelve-Month Period														Carrying		Fair Value			Level 1		Level 2		Level 3
		Location		Ended December 31,														Value
				(in thousands)														(in thousands)
				2013				2012				2011					Financial assets:
	Impaired loans held for investment	Provision for credit losses		$	(29,103	)		$	69,446			$	165,317
																	Cash and amounts due from depository institutions	$	4,226,947	$	4,226,947		$	4,226,947	$	—	$	—
	Foreclosed assets	Other administrative expense		(5,441		)		(5,903		)		(14,657		)
	Mortgage servicing rights	Mortgage banking income		—				88				(37,789		)			Available-for-sale investment securities	11,646,240		11,646,240			9,841		11,583,459		52,940
				$	(34,544	)		$	63,631			$	112,871				FHLB debenture	19,862		20,000			—		20,000		—
	The tables below present the changes in all Level 3 balances for the twelve-month periods ended December 31, 2013 and 2012, respectively.																Loans held for investment, net	49,087,340		49,307,888			—		149,796		49,158,092
																	Loans held-for-sale	128,949		128,949			—		128,949		—
		Investments				Mortgage				Derivatives				Total			Restricted Cash	97,397		97,397			97,397		—		—
		Available-for-Sale				Servicing Rights
	Balance, December 31, 2012	$	43,374			$	92,512			$	14,722			$	150,608		Mortgage servicing rights	141,787		141,787			—		—		141,787
	Gains/(losses) in other comprehensive income	11,249				—				—				11,249			Derivatives	256,885		256,885			—		256,324		561
	Gains/(losses) in earnings	—				36,479				(14,947		)		21,532
																	Financial liabilities:
	Issuances	—				35,805				—				35,805
																	Deposits	49,521,406		49,609,846			41,382,336		8,227,510		—
	Settlements(1)	(1,683		)		(23,009		)		389				(24,303		)
																	Borrowings and other debt obligations	12,376,624		13,210,300			—		13,210,300		—
	Balance, December 31, 2013	$	52,940			$	141,787			$	164			$	194,891
																	Derivatives	273,703		273,703			—		273,306		397
	Changes in unrealized gains (losses) included in earnings related to balances still held at December 31, 2013	$	—			$	36,479			$	(92	)		$	36,387
																		December 31, 2012
		Investments				Mortgage				Derivatives				Total				Carrying		Fair Value			Level 1		Level 2		Level 3
		Available-for-Sale				Servicing Rights												Value
	Balance, December 31, 2011	$	52,315			$	91,686			$	1,143			$	145,144			(in thousands)
																	Financial assets:
	(Losses) in other comprehensive income	(7,183		)		—				—				(7,183		)	Cash and amounts due from depository institutions	$	2,220,811	$	2,220,811		$	2,220,811	$	—	$	—
	(Gains) reclassified from OCI to earnings	(556		)		—				—				(556		)	Available-for-sale investment securities	18,684,020		18,684,020			5,216		18,635,430		43,374
	Gains/(losses) in earnings	—				(42,194		)		9,184				(33,010		)	Debentures of FHLB, FNMA and FHLMC	19,672		20,000			—		20,000		—
	Purchases	431,166				—				—				431,166			Loans held for investment, net	51,375,442		50,682,773			—		506,637		50,176,136
	Issuances	—				43,543				—				43,543			Loans held-for-sale	843,442		843,442			—		843,442		—
	Sales	(78,875		)		—				—				(78,875		)	Restricted Cash	488,455		488,455			488,455		—		—
	Settlements(1)	(1,686		)		—				4,395				2,709			Mortgage servicing rights	92,512		92,512			—		—		92,512
	Amortization	—				(523		)		—				(523		)	Derivatives	408,741		408,741			—		393,256		15,485
	Transfers into level 3	576,460				—				—				576,460
																	Financial liabilities:
	Transfers to level 2	(928,267		)		—				—				(928,267		)	Deposits	50,790,038		50,931,010			38,121,149		12,809,861		—
	Balance, December 31, 2012	$	43,374			$	92,512			$	14,722			$	150,608		Borrowings and other debt obligations	19,264,206		20,632,540			—		20,632,540		—
	Changes in unrealized (losses) gains included in earnings related to balances still held at December 31, 2012	$	—			$	(42,194	)		$	1,105			$	(41,089	)	Derivatives	507,867		507,867			—		507,104		763
	-1	Settlements include prepayments, pay-downs and maturities.
	Assets measured at fair value on a nonrecurring basis that were still held on the balance sheet were as follows:
		Quoted Prices in Active				Significant Other				Significant				Fair Value
		Markets for				Observable Inputs				Unobservable
		Identical Assets				(Level 2)				Inputs (Level 3)
		(Level 1)
		(in thousands)
	December 31, 2013
	Impaired loans held for investment	$	—			$	149,796			$	137,356			$	287,152
	Foreclosed assets	—				57,431				—				57,431
	December 31, 2012
	Impaired loans held for investment	$	—			$	506,637			$	40,674			$	547,311
	Foreclosed assets	—				39,904				—				39,904
	The following tables present the assets and liabilities that are measured at fair value on a recurring basis by major product category and fair value hierarchy as of December 31, 2013 and 2012, respectively.
		Quoted Prices in Active				Significant Other				Significant				Balance at
		Markets for Identical				Observable Inputs				Unobservable Inputs				31-Dec-13
		Assets (Level 1)				(Level 2)				(Level 3)
		(in thousands)
	Financial assets:
US Treasury and government agency securities	$	—			$	24,997			$	—			$	24,997
Corporate debt	—				2,218,180				—				2,218,180
Asset-backed securities	—				2,679,290				52,940				2,732,230
Equity securities	9,841				—				—				9,841
State and municipal securities	—				1,850,149				—				1,850,149
Mortgage backed securities	—				4,810,843				—				4,810,843
Total investment securities available-for-sale	9,841				11,583,459				52,940				11,646,240
Loans held for sale	—				128,949				—				128,949
Mortgage servicing rights	—				—				141,787				141,787
Derivatives:
Fair value	—				1,073				—				1,073
Cash flow	—				4,803				—				4,803
Mortgage banking interest rate lock commitments	—				—				547				547
Mortgage banking forward sell commitments	—				2,101				—				2,101
Customer related	—				225,811				—				225,811
Foreign exchange	—				11,631				—				11,631
Mortgage servicing	—				6,155				—				6,155
Other	—				4,750				14				4,764
Total financial assets	$	9,841			$	11,968,732			$	195,288			$	12,173,861
Financial liabilities:
Derivatives:
Fair value	$	—			$	1,924			$	—			$	1,924
Cash flow	—				58,381				—				58,381
Customer related	—				198,669				—				198,669
Total return swap	—				—				285				285
Foreign exchange	—				9,745				—				9,745
Mortgage servicing	—				488				—				488
Other	—				4,099				112				4,211
Total financial liabilities	$	—			$	273,306			$	397			$	273,703
NOTE 17. FAIR VALUE (continued)
	Quoted Prices in Active				Significant Other				Significant				Balance at
	Markets for Identical				Observable Inputs				Unobservable Inputs				31-Dec-12
	Assets (Level 1)				(Level 2)				(Level 3)
	(in thousands)
Financial assets:
US Treasury and government agency securities	$	—			$	8,996			$	—			$	8,996
Debentures of FHLB, FNMA and FHLMC	—				1,150				—				1,150
Corporate debt	—				2,705,706				—				2,705,706
Asset-backed securities	—				1,775,463				43,374				1,818,837
Equity securities	5,216				—				—				5,216
State and municipal securities	—				2,060,292				—				2,060,292
Mortgage backed securities	—				12,083,823				—				12,083,823
Total investment securities available-for-sale	5,216				18,635,430				43,374				18,684,020
Loans held for sale	—				843,442				—				843,442
Mortgage servicing rights	—				—				92,512				92,512
Derivatives:
Fair value	—				10,452				—				10,452
Cash flow	—				524				—				524
Mortgage banking interest rate lock commitments	—				—				15,402				15,402
Customer related	—				366,934				—				366,934
Foreign exchange	—				9,998				—				9,998
Mortgage servicing rights	—				204				—				204
Other	—				5,144				83				5,227
Total financial assets	$	5,216			$	19,872,128			$	151,371			$	20,028,715
Financial liabilities:
Derivatives:
Fair value	$	—			$	11,458			$	—			$	11,458
Cash flow	—				120,844				—				120,844
Mortgage banking forward sell commitments	—				3,364				—				3,364
Customer related	—				357,900				—				357,900
Total return swap	—				—				564				564
Foreign exchange	—				7,638				—				7,638
Mortgage servicing rights	—				1,023				—				1,023
Other	—				4,877				199				5,076
Total financial liabilities	$	—			$	507,104			$	763			$	507,867
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]	'																'
																	The following table presents quantitative information about the significant unobservable inputs within significant Level 3 recurring assets and liabilities.
																		Fair Value at December 31, 2013		Valuation Technique		Unobservable Inputs	Range (Weighted Average)
																		(in thousands)
																	Sale-leaseback securities	$	52,940	Consensus Pricing (1)		Offered quotes(2)	134.13	%
																	Mortgage servicing rights	$	141,787	Discounted Cash Flow		Prepayment rate (CPR)(3)	0.37%-42.71%
																							-8.25%
																						Discount Rate(4)	9.55	%
																	(1) Consensus pricing refers to fair value estimates that are generally developed using information such as dealer quotes or other third-party valuations or comparable asset prices.
																	(2) Based on the nature of the input, a range or weighted average does not exist. For sale-leaseback securities, the Company owns one security.
																	(3) Average CPR projected from collateral stratified by loan type, note rate and maturity.
																	(4) Based on the nature of the input, a range or weighted average does not exist.

COMMITMENTS_AND_CONTINGENCIES_

COMMITMENTS AND CONTINGENCIES (Tables)	12 Months Ended
	Dec. 31, 2013
Commitments [Line Items]	'
Schedule of Commitments, by Maturities	'
	The following table details the amount of commitments for the periods indicated:
		December 31, 2013			December 31, 2012
		(in thousands)
	Commitments to extend credit	$	23,651,791		$	23,155,424
	Credit card lines of credit	815,573			790,174
	Letters of credit	2,116,227			2,491,757
	Recourse and credit enhancement exposure on sold loans	184,584			192,992
	Commitments to sell loans	3,810			177,398
	Total commitments	$	26,771,985		$	26,807,745
Schedule of Representation and Warranty Reserve Activity	'
	The activity in the representation and warranties reserves for the dates indicated was as follows:
		Year Ended December 31,
		2013			2012
		(in thousands)
	Beginning Balance	$	50,662		$	12,273
	Provision	20,685			52,240
	Recoveries	—			436
	Charge-offs	(16,511		)	(14,287		)
	Ending Balance	$	54,836		$	50,662
Schedule of Future Minimum Rental Payments for Operating Leases and Sale-leaseback Leases	'
	Future minimum annual rentals under non-cancelable operating leases and sale-leaseback leases, net of expected sublease income, at December 31, 2013, are summarized as follows:
		AT DECEMBER 31, 2013
		Lease			Future Minimum			Net
		Payments			Expected  Sublease			Payments
					Income
		(in thousands)
	2014	$	106,471		$	(8,200	)	$	98,271
	2015	99,889			(6,885		)	93,004
	2016	89,858			(5,686		)	84,172
	2017	78,824			(4,893		)	73,931
	2018	61,712			(2,960		)	58,752
	Thereafter	209,545			(6,601		)	202,944
	Total	$	646,299		$	(35,225	)	$	611,074
Commitments to Extend Credit [Member]	'
Commitments [Line Items]	'
Schedule of Commitments, by Maturities	'
	The following table details the amount of commitments to extend credit expiring per period as of the dates indicated:
		December 31, 2013			December 31, 2012
		(in thousands)
	One year or less	$	5,163,591		$	7,146,080
	Over 1 year to 3 years	5,716,759			4,615,613
	Over 3 years to 5 years	6,457,992			7,972,885
	Over 5 years	6,313,449			3,420,846
	Total	$	23,651,791		$	23,155,424
Letter of Credit [Member]	'
Commitments [Line Items]	'
Schedule of Commitments, by Maturities	'
	The following table details the amount of letters of credit expiring per period as of the dates indicated:
		December 31, 2013			December 31, 2012
		(in thousands)
	One year or less	$	1,680,277		$	1,808,744
	Over 1 year to 3 years	333,769			481,867
	Over 3 years to 5 years	96,558			147,931
	Over 5 years	5,623			53,215
	Total	$	2,116,227		$	2,491,757

REGULATORY_MATTERS_Tables

REGULATORY MATTERS (Tables)	12 Months Ended
	Dec. 31, 2013
Banking and Thrift [Abstract]	'
Schedule of Actual Capital Balances of the Bank and SHUSA	'
	The following schedule summarizes the actual Basel I capital balances of the Bank and SHUSA at December 31, 2013 and 2012:
			REGULATORY CAPITAL
			Tier 1 Leverage			Tier 1 Risk-Based			Total Risk-Based			Tier 1 Common Capital Ratio(1)
			Capital Ratio			Capital Ratio			Capital Ratio
		($ in thousands)
	Santander Bank at December 31, 2013:
	Regulatory capital		$	8,390,428		$	8,390,428		$	9,550,558		$	8,390,428
	Capital ratio		12.09		%	13.96		%	15.89		%	13.96		%
	SHUSA at December 31, 2013 (2)(3):
	Regulatory capital		$	9,210,100		$	9,210,100		$	10,555,146		$	8,794,393
	Capital ratio		12.78		%	14.67		%	16.81		%	14.01		%
	Santander Bank at December 31, 2012:
	Regulatory capital		$	8,027,173		$	8,027,173		$	9,310,905		$	8,027,173
	Capital ratio		10.52		%	12.86		%	14.92		%	12.86		%
	SHUSA at December 31, 2012 (2):
	Regulatory capital		$	8,496,977		$	8,496,977		$	10,116,806		$	8,075,995
	Capital ratio		10.79		%	13.08		%	15.57		%	12.43		%
	-1	Ratio presented due to regulators emphasizing the Tier 1 common capital ratio in their evaluation of bank and BHC capital levels, although this metric is not provided for in bank regulations. For all BHCs undergoing its Comprehensive Capital Analysis and Review, the Federal Reserve has established a 5% minimum Tier 1 common capital ratio under stress scenarios.
	-2	Ratios have been determined using SHUSA's current accounting method for SCUSA as an equity method investment.
	-3	The consolidation of SCUSA (as described in Note 6) will have an impact to SHUSA's regulatory capital ratios during the first quarter.

PARENT_COMPANY_FINANCIAL_INFOR1

PARENT COMPANY FINANCIAL INFORMATION (Tables)	12 Months Ended
	Dec. 31, 2013
Condensed Financial Information of Parent Company Only Disclosure [Abstract]	'
Schedule of Condensed Balance Sheet	'
	BALANCE SHEETS
			AT DECEMBER 31,
			2013			2012
			(in thousands)
	Assets
	Cash and cash equivalents		$	295,031		$	332,821
	Available-for-sale investment securities		39,382			39,382
	Loans to non-bank subsidiaries		—			—
	Investment in subsidiaries:
	Bank subsidiary		8,450,766			8,697,439
	Non-bank subsidiaries		4,519,452			4,325,650
	Equity method investments		2,961,938			2,701,426
	Other assets		294,905			257,045
	Total assets		$	16,561,474		$	16,353,763
	Liabilities and stockholder's equity
	Borrowings and other debt obligations		$	2,589,503		$	2,568,422
	Borrowings from non-bank subsidiaries		138,495			137,600
	Other liabilities		288,493			405,739
	Total liabilities		3,016,491			3,111,761
	Stockholder's equity		13,544,983			13,242,002
	Total liabilities and stockholder's equity		$	16,561,474		$	16,353,763
Schedule of Comprehensive Income (Loss)	'
	STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME
			YEAR ENDED DECEMBER 31,
			2013			2012			2011
			(in thousands)
	Dividends from bank subsidiary		$	—		$	148,747		$	—
	Dividends from non-bank subsidiaries		—			35,253			425,762
	Interest income		3,365			2,749			3,676
	Income from equity method investments (1)		449,357			444,326			982,913
	Other income		2,009			2,018			677
	Total income		454,731			633,093			1,413,028
	Interest expense		161,812			162,659			148,937
	Other expense		44,678			344,019			376,092
	Total expense		206,490			506,678			525,029
	Income before income taxes and equity in earnings of subsidiaries		248,241			126,415			887,999
	Income tax provision/(benefit)		54,235			(177,105		)	307,412
	Income before equity in earnings of subsidiaries		194,006			303,520			580,587
	Equity in undistributed earnings of:
	Bank subsidiary		344,994			203,735			316,934
	Non-bank subsidiaries		89,103			53,980			360,725
	Net income		628,103			561,235			1,258,246
	Other comprehensive income, net of tax:
	Net unrealized gains/(losses) on cash flow hedge derivative financial instruments		39,751			28,822			(2,744		)
	Net unrealized (losses)/gains recognized on investment securities		(359,616		)	72,471			188,720
	Amortization of defined benefit plans		11,163			(241		)	(10,000		)
	Total other comprehensive (loss)/income		(308,702		)	101,052			175,976
	Comprehensive income		$	319,401		$	662,287		$	1,434,222
	-1	In the year ended December 31, 2011, a pre-tax gain of $987.7 million was recognized in Other income related to the SCUSA Transaction and an equity method investment of $2.65 billion was recognized in Other assets.
Schedule of Condensed Cash Flow Statement	'
	STATEMENT OF CASH FLOWS
			FOR THE YEAR ENDED DECEMBER 31
			2013			2012			2011
			(in thousands)
	CASH FLOWS FROM OPERATING ACTIVITIES:
	Net income		$	628,103		$	561,235		$	1,258,246
	Adjustments to reconcile net income to net cash (paid in)/provided by operating activities:
	Undistributed earnings of:
	Bank subsidiary		(344,994		)	(203,735		)	(316,934		)
	Non-bank subsidiaries		(89,103		)	(53,980		)	(360,725		)
	Stock based compensation expense		2,057			3,720			4,054
	Remittance to Santander for stock based compensation		(3,877		)	(5,568		)	(4,333		)
	Equity earnings from equity method investments		(449,357		)	(444,326		)	(987,650		)
	Dividends from equity method investments		188,661			477,502			—
	Net change in other assets and other liabilities		(152,575		)	(87,677		)	550,541
	Net cash (paid in)/provided by operating activities		(221,085		)	247,171			143,199
	CASH FLOWS FROM INVESTING ACTIVITIES:
	Net capital returned from/(contributed to) subsidiaries		178,266			(1,765		)	806,094
	Net (increase)/decrease in loans to subsidiaries		—			2,000			8,000
	Cash paid related to the SCUSA Transaction		—			—			(10,000		)
	Net cash provided by / (used in) investing activities		178,266			235			804,094
	CASH FLOWS FROM FINANCIAL ACTIVITIES:
	Repayment of other debt obligations		(481,267		)	(764,383		)	(463,740		)
	Net proceeds received from senior notes and senior credit facility		500,000			598,242			500,000
	Net change in commercial paper		—			(18,090		)	(951,502		)
	Net change in borrowings		896			995			566
	Dividends to preferred stockholders		(14,600		)	(14,600		)	(14,600		)
	Dividends to non-controlling interest		—			—			(39,552		)
	Net proceeds from the issuance of preferred stock		—			—			—
	Net cash provided by/(used in) financing activities		5,029			(197,836		)	(968,828		)
	(Decrease)/Increase in cash and cash equivalents		(37,790		)	49,570			(21,535		)
	Cash and cash equivalents at beginning of period		332,821			283,251			304,786
	Cash and cash equivalents at end of period		$	295,031		$	332,821		$	283,251

BUSINESS_SEGMENT_INFORMATION_T

BUSINESS SEGMENT INFORMATION (Tables)	12 Months Ended
	Dec. 31, 2013
Segment Reporting [Abstract]	'
Schedule of Segment Reporting Information, by Segment	'
	The following tables present certain information regarding the Company’s segments. All balances are presented in thousands.
	For the Year Ended							Investment Services			Real Estate & Commercial Banking
	December 31, 2013	Retail Banking			Auto Finance & Alliances									Specialty & Government Banking			GBM & Large Corporate Banking			Non-Strategic Assets			Other(2)			Equity method investment in SCUSA			Total
	Net interest income	$	759,103		$	17,849		$	5		$	401,097		$	93,492		$	164,790		$	26,338		$	51,097		$	—		$	1,513,771
	Total non-interest income	344,094			867			49,330			104,993			15,257			81,670			10,063			28,652			453,157			1,088,083
	Provision for credit losses	148,162			1,892			—			(49,650		)	2,453			(893		)	(11,939		)	(43,175		)	—			46,850
	Total expenses	861,380			6,132			35,078			154,789			31,168			56,884			33,802			587,368			—			1,766,601
	Income/(loss) before income taxes	93,655			10,692			14,257			400,951			75,128			190,469			14,538			(464,444		)	453,157			788,403
	Intersegment (expense)/revenue(1)	115,248			(3,755		)	5			(381,907		)	(3,358		)	(48,247		)	(26,150		)	348,164			—			—
	Total average assets	$	19,570,351		$	772,851		$	1,455		$	20,060,250		$	2,760,241		$	8,150,883		$	878,976		$	27,632,641		$	—		$	79,827,648
	For the Year Ended							Investment Services			Real Estate & Commercial Banking
	December 31, 2012	Retail Banking(3)			Auto Finance & Alliances									Specialty & Government Banking			GBM & Large Corporate Banking			Non-Strategic Assets			Other(2)			Equity method investment in SCUSA				Total
	Net interest income	$	716,252		$	15,238		$	3		$	408,188		$	90,854		$	136,989		$	40,798		$	265,801		$	—	1,674,123,000		$	1,674,123
	Total non-interest income	366,930			998			44,693			72,185			11,900			60,985			14,131			120,202			447,572		1,139,596,000		1,139,596
	Provision for credit losses	271,926			(537		)	—			(7,776		)	(3,832		)	14,983			765			117,271			—		392,800,000		392,800
	Total expenses	831,970			2,130			32,335			130,833			25,249			48,585			27,729			867,301			—				1,966,132
	Income/(loss) before income taxes	(20,714		)	14,643			12,361			357,316			81,337			134,406			26,435			(598,569		)	447,572		454,787,000		454,787
	Intersegment (expense)/revenue(1)	(21,292		)	(6,906		)	3			(433,033		)	(377		)	(58,428		)	(53,291		)	573,324			—				—
	Total average assets(4)	$	21,996,224		$	836,082		$	127		$	19,720,608		$	2,204,482		$	7,529,074		$	1,491,259		$	29,266,820		$	—			$	83,044,676
	For the Year Ended							Investment Services			Real Estate & Commercial Banking
	December 31, 2011	Retail Banking(6)			Auto Finance & Alliances									Specialty & Government Banking			GBM & Large Corporate Banking			Non-Strategic Assets			Other(2)(7)			Equity method investment in SCUSA			Total
	Net interest income	$	726,718		$	18,633		$	4		$	330,887		$	78,009		$	88,021		$	55,643		$	381,584		$	2,185,315		$	3,864,814
	Total non-interest income	395,554			1,189			5,083			62,708			12,460			43,460			16,490			1,004,354			440,525			1,981,823
	Provision for credit losses(5)	225,916			1,103			—			175,458			1,128			24,151			73,158			(184		)	819,221			1,319,951
	Total expenses	789,731			985			26,179			121,354			14,992			16,536			27,700			808,297			554,387			2,360,161
	Income/(loss) before income taxes	106,625			17,734			(21,092		)	96,783			74,349			90,794			(28,725		)	577,825			1,252,232			2,166,525
	Intersegment (expense)/revenue(1)	(47,371		)	(4,973		)	4			(556,961		)	(6,337		)	(19,382		)	(109,328		)	744,348			—			—
	Total average assets(4)	$	21,941,330		$	755,114		$	24		$	19,594,169		$	1,954,356		$	4,843,020		$	2,545,113		$	24,629,528		$	15,815,394		$	92,078,048
	(1)	Intersegment revenue/(expense) represents charges or credits for funds used or provided by each of the segments and are included in net interest income.
	(2)	Other is not considered a segment and includes earnings from the investment portfolio, interest expense on the Bank’s borrowings and other debt obligations, amortization of intangible assets and certain unallocated corporate income and indirect expenses.
	(3)	Income/(loss) before income taxes reflects the impact of two main items, Chapter 7 bankruptcy loans described in Note 4 and GSE reserves that have been fully allocated to the Retail Banking reportable segment.
	(4)	Average assets for Other in 2012 includes a full year of equity investment in SCUSA, while average assets in 2011 only included one day of the investment.
	(5)	In certain circumstances, specific valuation allowances ("SVAs") were permitted to be used instead of partial charge-offs by the OTS, the Company's former regulator. The OCC does not permit the establishment of SVAs. Accordingly, the Bank charged off $103.7 million of mortgage loans during the third quarter of 2011. These charge-offs did not have an impact on the results of operations for the segment or in consolidation.
	(6)	The Retail Banking segment fees and other income includes residential servicing rights impairments of $42.5 million for 2011.
	(7)	In 2011, fees and other income in the Other category included a $987.7 million gain related to the SCUSA Transaction.

BASIS_OF_PRESENTATION_AND_ACCO3

BASIS OF PRESENTATION AND ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Accounting Policies [Line Items]	'	'		'	'
Prior period reclassification adjustment	$987,700,000	'		'	'
Capital markets revenue (expense)	'	31,742,000		37,334,000	-8,616,000
Change in fair value of loans held for investment	'	24,545,000		-12,586,000	-12,053,000
FHLB stock par value (in usd per share)	'	$100		'	'
Period of time not resulting loan identified as impaired	'	'90 days		'	'
OREO and other repossessed assets	69,300,000	91,700,000		69,300,000	'
Commercial Loans and Consumer Loans [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Minimum days of loan payment delinquent that interest income not recognized	'	'90 days		'	'
Auto loans [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Threshold period past due for charged-off of loans	'	'121 days		'	'
Credit card [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Minimum days of loan payment delinquent that interest income not recognized	'	'180 days		'	'
Threshold period past due for charged-off of loans	'	'180 days		'	'
Consumer [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Threshold period past due for charged-off of loans	'	'180 days		'	'
Consumer Loans not Secured by Real Estate [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Threshold period past due for charged-off of loans	'	'120 days		'	'
Minimum [Member] | Commercial [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Impaired loans, minimum commercial non-accrual loans	'	1,000,000		'	'
Core deposits [Member] | Maximum [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Finite-lived intangible asset, useful life	'	'10 years		'	'
Office Buildings [Member] | Minimum [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Premises and equipment, useful lives	'	'10 years		'	'
Office Buildings [Member] | Maximum [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Premises and equipment, useful lives	'	'30 years		'	'
Leasehold Improvements [Member] | Minimum [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Premises and equipment, useful lives	'	'10 years	[1]	'	'
Leasehold Improvements [Member] | Maximum [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Premises and equipment, useful lives	'	'30 years	[1]	'	'
Software [Member] | Minimum [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Premises and equipment, useful lives	'	'3 years	[2]	'	'
Software [Member] | Maximum [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Premises and equipment, useful lives	'	'5 years	[2]	'	'
Funiture, Fixtures and Equipment [Member] | Minimum [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Premises and equipment, useful lives	'	'3 years		'	'
Funiture, Fixtures and Equipment [Member] | Maximum [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Premises and equipment, useful lives	'	'10 years		'	'
Automobiles [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Premises and equipment, useful lives	'	'5 years		'	'
Equity investment [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Prior period reclassification adjustment	'	'		'	14,800,000
Other liabilities [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Prior period reclassification adjustment	'	'		1,700,000,000	'
Deferred tax assets [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Prior period reclassification adjustment	'	'		780,400,000	'
Definite-lived intangible assets [Member]	'	'		'	'
Accounting Policies [Line Items]	'	'		'	'
Prior period reclassification adjustment	'	'		$62,000,000	'
[1]	Leasehold improvements are depreciated over the shorter of the useful lives of the assets or the remaining term of the leases. The useful life of the leasehold improvements maybe extended beyond the base term of the lease contract when the lease contract includes renewal option period(s) that are reasonably assured of being exercised at the date the leasehold improvements are purchased. At no point does the depreciable life exceed the economic useful life of the leasehold improvement or the expected term of the lease contract.
[2]	Standard depreciable period for software is three years. However, for larger software implementation projects, a five-year period is utilized. For the 2012 information technology ("IT") transformation, the Company utilized a depreciable period of five years.

INVESTMENT_SECURITIES_Availabl

INVESTMENT SECURITIES - Available-for-sale Securities (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	$11,970,063	$18,413,374
Gross Unrealized Gains	67,095	298,574
Gross Unrealized Loss	-390,918	-27,928
Total	11,646,240	18,684,020
US Treasury and Government Agency Securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	24,993	8,996
Gross Unrealized Gains	4	0
Gross Unrealized Loss	0	0
Total	24,997	8,996
Debentures of FHLMC and FNMA [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	'	1,150
Gross Unrealized Gains	'	0
Gross Unrealized Loss	'	0
Total	'	1,150
Corporate Debt Securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	2,195,004	2,634,602
Gross Unrealized Gains	35,611	72,290
Gross Unrealized Loss	-12,435	-1,186
Total	2,218,180	2,705,706
Asset-backed Securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	2,727,235	1,825,950
Gross Unrealized Gains	9,345	5,628
Gross Unrealized Loss	-4,350	-12,741
Total	2,732,230	1,818,837
Equity Securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	10,331	5,108
Gross Unrealized Gains	0	113
Gross Unrealized Loss	-490	-5
Total	9,841	5,216
State and Municipal Securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	1,891,996	1,973,559
Gross Unrealized Gains	20,515	89,637
Gross Unrealized Loss	-62,362	-2,904
Total	1,850,149	2,060,292
Mortgage-backed Securities, U.S. Government Agencies [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	1,904,178	6,345,891
Gross Unrealized Gains	134	72,185
Gross Unrealized Loss	-103,889	-5,342
Total	1,800,423	6,412,734
Mortgage-backed Securities, FHLMC and FNMA Debt Securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	3,202,428	5,617,925
Gross Unrealized Gains	1,486	58,721
Gross Unrealized Loss	-207,392	-5,750
Total	2,996,522	5,670,896
Mortgage-backed Securities, Non-agency Securities [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	13,898	193
Gross Unrealized Gains	0	0
Gross Unrealized Loss	0	0
Total	$13,898	$193

INVESTMENT_SECURITIES_Securiti

INVESTMENT SECURITIES - Securities Pledged as Collateral (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Millions, unless otherwise specified
Financial Instruments Owned and Pledged as Collateral [Line Items]	'	'
Securities pledged as collateral, fair value	$3,600	$5,300
Public Fund Deposits [Member]	'	'
Financial Instruments Owned and Pledged as Collateral [Line Items]	'	'
Securities pledged as collateral, fair value	2,600	2,000
Repurchase Agreements, Hedging Activities and Recourse on Loan Sales [Member]	'	'
Financial Instruments Owned and Pledged as Collateral [Line Items]	'	'
Securities pledged as collateral, fair value	400	2,700
Overnight Customer Deposits [Member]	'	'
Financial Instruments Owned and Pledged as Collateral [Line Items]	'	'
Securities pledged as collateral, fair value	$562.30	$535.20

INVESTMENT_SECURITIES_Concentr

INVESTMENT SECURITIES - Concentration Risk (Details) (Geographic Concentration Risk [Member], Total Available-for-sale Securities [Member])	12 Months Ended
	Dec. 31, 2013
California [Member]	'
Concentration Risk [Line Items]	'
Concentration risk, percentage	10.70%
Texas [Member]	'
Concentration Risk [Line Items]	'
Concentration risk, percentage	15.00%
Florida [Member]	'
Concentration Risk [Line Items]	'
Concentration risk, percentage	12.50%
Washington [Member]	'
Concentration Risk [Line Items]	'
Concentration risk, percentage	10.70%
Other States [Member] | Maximum [Member]	'
Concentration Risk [Line Items]	'
Concentration risk, percentage	10.00%

INVESTMENT_SECURITIES_Contract

INVESTMENT SECURITIES - Contractual Maturity (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
Available-for-sale Securities, Contractual Maturities, Amortized Cost [Abstract]	'		'	'
Federal income tax at statutory rate	35.00%		35.00%	35.00%
US Treasury and Government Agency Securities [Member]	'		'	'
Available-for-sale Securities, Contractual Maturities, Fair Value [Abstract]	'		'	'
Due Within One Year	24,997		'	'
Due After 1 Within 5 Years	0		'	'
Due After 5 Within 10 Years	0		'	'
Due After 10 years/No Maturity	0		'	'
Total	24,997	[1]	'	'
Weighted Average Yield	0.09%	[2]	'	'
Corporate Debt Securities [Member]	'		'	'
Available-for-sale Securities, Contractual Maturities, Fair Value [Abstract]	'		'	'
Due Within One Year	278,736		'	'
Due After 1 Within 5 Years	1,910,516		'	'
Due After 5 Within 10 Years	28,928		'	'
Due After 10 years/No Maturity	0		'	'
Total	2,218,180	[1]	'	'
Weighted Average Yield	2.42%	[2]	'	'
Asset-backed Securities [Member]	'		'	'
Available-for-sale Securities, Contractual Maturities, Fair Value [Abstract]	'		'	'
Due Within One Year	274,741		'	'
Due After 1 Within 5 Years	1,065,145		'	'
Due After 5 Within 10 Years	1,037,158		'	'
Due After 10 years/No Maturity	355,186		'	'
Total	2,732,230	[1]	'	'
Weighted Average Yield	1.37%	[2]	'	'
State and Municipal Securities [Member]	'		'	'
Available-for-sale Securities, Contractual Maturities, Fair Value [Abstract]	'		'	'
Due Within One Year	0		'	'
Due After 1 Within 5 Years	10		'	'
Due After 5 Within 10 Years	114,675		'	'
Due After 10 years/No Maturity	1,735,464		'	'
Total	1,850,149	[1]	'	'
Weighted Average Yield	3.73%	[2]	'	'
Mortgage-backed Securities, U.S. Government Agencies [Member]	'		'	'
Available-for-sale Securities, Contractual Maturities, Fair Value [Abstract]	'		'	'
Due Within One Year	0		'	'
Due After 1 Within 5 Years	0		'	'
Due After 5 Within 10 Years	11,305		'	'
Due After 10 years/No Maturity	1,789,118		'	'
Total	1,800,423	[1]	'	'
Weighted Average Yield	2.01%	[2]	'	'
Mortgage-backed Securities, FHLMC and FNMA Debt Securities [Member]	'		'	'
Available-for-sale Securities, Contractual Maturities, Fair Value [Abstract]	'		'	'
Due Within One Year	456		'	'
Due After 1 Within 5 Years	2,956		'	'
Due After 5 Within 10 Years	3,315		'	'
Due After 10 years/No Maturity	2,989,795		'	'
Total	2,996,522	[1]	'	'
Weighted Average Yield	1.77%	[2]	'	'
Mortgage-backed Securities, Non-agency Securities [Member]	'		'	'
Available-for-sale Securities, Contractual Maturities, Fair Value [Abstract]	'		'	'
Due Within One Year	0		'	'
Due After 1 Within 5 Years	114		'	'
Due After 5 Within 10 Years	0		'	'
Due After 10 years/No Maturity	13,784		'	'
Total	13,898	[1]	'	'
Weighted Average Yield	3.27%	[2]	'	'
Debt Securities [Member]	'		'	'
Available-for-sale Securities, Contractual Maturities, Fair Value [Abstract]	'		'	'
Due Within One Year	578,930		'	'
Due After 1 Within 5 Years	2,978,741		'	'
Due After 5 Within 10 Years	1,195,381		'	'
Due After 10 years/No Maturity	6,883,347		'	'
Total	11,636,399	[1]	'	'
Due Within One Year, Weighted Average Yield	1.89%		'	'
Due After 1 Within 5 Years, Weighted Average Yield	1.87%		'	'
Due After 5 Within 10 Years, Weighted Average Yield	1.85%		'	'
Due After 10 Years/No Maturity, Weighted Average Yield	2.34%		'	'
Weighted Average Yield	2.15%	[2]	'	'
Available-for-sale Securities, Contractual Maturities, Amortized Cost [Abstract]	'		'	'
Due Within One Year	576,325		'	'
Due After 1 Within 5 Years	2,951,349		'	'
Due After 5 Within 10 Years	1,198,763		'	'
Due After 10 Years/No Maturity	7,233,295		'	'
Amortized cost	11,959,732	[1]	'	'
[1]	The maturities above do not represent the effective duration of the Company's portfolio, since the amounts above are based on contractual maturities and do not contemplate anticipated prepayments.
[2]	Yields on tax-exempt securities are calculated on a tax equivalent basis and are based on the statutory federal tax rate of 35%.

INVESTMENT_SECURITIES_Continuo

INVESTMENT SECURITIES - Continuous Unrealized Loss Position (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Fair Value, Less than 12 months	$6,182,194	$4,075,731
Unrealized Losses, Less than 12 months	-307,072	-27,029
Fair Value, 12 months or longer	1,023,099	171,655
Unrealized Losses, 12 months or longer	-83,846	-899
Fair Value, Total	7,205,293	4,247,386
Unrealized Losses, Total	-390,918	-27,928
Corporate Debt Securities [Member]	'	'
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Fair Value, Less than 12 months	743,041	354,844
Unrealized Losses, Less than 12 months	-10,868	-1,175
Fair Value, 12 months or longer	32,020	14,974
Unrealized Losses, 12 months or longer	-1,567	-11
Fair Value, Total	775,061	369,818
Unrealized Losses, Total	-12,435	-1,186
Asset-backed Securities [Member]	'	'
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Fair Value, Less than 12 months	803,685	374,142
Unrealized Losses, Less than 12 months	-4,111	-12,395
Fair Value, 12 months or longer	24,316	59,150
Unrealized Losses, 12 months or longer	-239	-346
Fair Value, Total	828,001	433,292
Unrealized Losses, Total	-4,350	-12,741
Equity Securities [Member]	'	'
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Fair Value, Less than 12 months	5,020	5,094
Unrealized Losses, Less than 12 months	-188	-5
Fair Value, 12 months or longer	4,797	0
Unrealized Losses, 12 months or longer	-302	0
Fair Value, Total	9,817	5,094
Unrealized Losses, Total	-490	-5
State and Municipal Securities [Member]	'	'
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Fair Value, Less than 12 months	710,456	192,271
Unrealized Losses, Less than 12 months	-45,972	-2,904
Fair Value, 12 months or longer	126,345	0
Unrealized Losses, 12 months or longer	-16,390	0
Fair Value, Total	836,801	192,271
Unrealized Losses, Total	-62,362	-2,904
Mortgage-backed Securities, U.S. Government Agencies [Member]	'	'
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Fair Value, Less than 12 months	1,648,691	925,367
Unrealized Losses, Less than 12 months	-94,937	-4,800
Fair Value, 12 months or longer	139,791	97,531
Unrealized Losses, 12 months or longer	-8,952	-542
Fair Value, Total	1,788,482	1,022,898
Unrealized Losses, Total	-103,889	-5,342
Mortgage-backed Securities, FHLMC and FNMA Debt Securities [Member]	'	'
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Fair Value, Less than 12 months	2,271,301	2,224,013
Unrealized Losses, Less than 12 months	-150,996	-5,750
Fair Value, 12 months or longer	695,830	0
Unrealized Losses, 12 months or longer	-56,396	0
Fair Value, Total	2,967,131	2,224,013
Unrealized Losses, Total	($207,392)	($5,750)

INVESTMENT_SECURITIES_OtherTha

INVESTMENT SECURITIES - Other-Than-Temporary Impairment (Details) (USD $)	3 Months Ended		12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
			Securities
Investments, Debt and Equity Securities [Abstract]	'	'	'	'	'
Available-for-sale securities to be sold and in unrealized loss position	'	$2,500,000,000	'	'	'
OTTI recognized in earnings	'	63,600,000	63,630,000	0	325,000
Investment securities sold during period	2,300,000,000	'	'	'	'
Realized investment gains (losses)	($23,500,000)	'	'	'	'
Number of securities in unrealized loss position	'	'	301	'	'

INVESTMENT_SECURITIES_Cumulati

INVESTMENT SECURITIES - Cumulative OTTI Recognized in Earnings (Details) (Available-for-sale Securities [Member], Mortgage-backed Securities, Non-agency Securities [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Available-for-sale Securities [Member] | Mortgage-backed Securities, Non-agency Securities [Member]	'	'
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]	'	'
Net cumulative credit loss recognized on non-agency securities at the beginning of the period	$210,919	'
Cumulative reduction as of the beginning of the period for accretion into interest income for the expected increase in cash flow on certain non-agency securities	'	-9,631
Current period accretion into interest income for the expected increase in cash flow on certain non-agency securities	-8,375	'
Reductions for securities sold during the period	-193,238	'
Additional increases to credit losses for previously recognized other-than-temporary impairment charges when the entity does not intend to sell the security	325	'
Net cumulative credit loss recognized on non-agency securities as of the end of the period	0	'
Reductions for increases in cash flows expected to be collected and recognized over the remaining life of securities	0	'
Projected ending balance of the amount related to credit losses on debt securities at the end of the period for which a portion of an other-than-temporary impairment was recognized in other comprehensive income	$0	'

INVESTMENT_SECURITIES_Realized

INVESTMENT SECURITIES - Realized Gains and Losses (Details) (USD $)	3 Months Ended		12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]	'	'	'	'	'
Proceeds from the sale of investment securities	'	'	$8,050,028,000	$4,256,661,000	$6,892,337,000
Gross realized gains	'	'	115,540,000	101,983,000	178,364,000
Gross realized losses	'	'	-42,456,000	-1,092,000	-103,442,000
OTTI	'	-63,600,000	-63,630,000	0	-325,000
OTTI losses	'	'	63,600,000	'	0
Net gain on investment securities recognized in earnings	'	'	9,454,000	100,891,000	74,597,000
Net gain on sale of investment securities	'	'	73,084,000	100,891,000	74,922,000
Investment securities sold during period	2,300,000,000	'	'	'	'
Realized investment gains (losses)	-23,500,000	'	'	'	'
Nontaxable interest and dividend income earned on investment securities	'	'	71,600,000	67,000,000	67,000,000
Tax expenses related to net realized gains and losses from sales of investment securities	'	'	3,800,000	40,400,000	29,400,000
Collateralized Mortgage Obligations [Member]	'	'	'	'	'
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]	'	'	'	'	'
Investment securities sold during period	'	'	4,100,000,000	'	'
Realized investment gains (losses)	'	'	69,000,000	'	'
Corporate Debt Securities [Member]	'	'	'	'	'
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]	'	'	'	'	'
Investment securities sold during period	'	'	905,700,000	'	'
Realized investment gains (losses)	'	'	34,700,000	'	'
Mortgage Backed Securities [Member]	'	'	'	'	'
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]	'	'	'	'	'
Investment securities sold during period	'	'	2,300,000,000	'	'
Realized investment gains (losses)	'	'	-24,200,000	'	'
Mortgage-backed Securities, FHLMC and FNMA Debt Securities [Member]	'	'	'	'	'
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]	'	'	'	'	'
Proceeds from sale of mortgage-backed securities	'	'	'	918,700,000	'
Gain on sale of mortgage-backed securities	'	'	'	40,000,000	'
Mortgage-backed Securities, U.S. Government Agencies [Member]	'	'	'	'	'
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]	'	'	'	'	'
Gain on sale of mortgage-backed securities	'	'	'	28,100,000	'
Municipal Bond Securities [Member]	'	'	'	'	'
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]	'	'	'	'	'
Gross realized gains	'	'	'	23,100,000	'
Asset-backed Securities [Member]	'	'	'	'	'
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]	'	'	'	'	'
Gross realized gains	'	'	'	7,700,000	'
Mortgage-backed Securities, Non-agency Securities [Member]	'	'	'	'	'
Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract]	'	'	'	'	'
Gross realized losses	'	'	'	'	($103,300,000)

INVESTMENT_SECURITIES_Other_In

INVESTMENT SECURITIES - Other Investments (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Investments, Debt and Equity Securities [Abstract]	'	'
Accrued interest related to investment securities	$60,500,000	$78,700,000
Stock of Federal Home Loan Bank of Pittsburgh and Federal Reserve Board	800,000,000	1,000,000,000
Federal Home Loan Banks stock, par value (in usd per share)	$100	'
Proceeds from sale of Federal Home Loan Bank stock	308,800,000	'
FHLB CD, at carrying value	$19,900,000	$19,700,000

LOANS_AND_ALLOWANCE_FOR_CREDIT2

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Narrative (Details) (USD $)

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2011

Dec. 31, 2012

Jan. 31, 2014

Commercial and Industrial Loans [Member]

Multi-family Loans [Member]

Home Mortgages [Member]

Commercial [Member]

Commercial [Member]

Commercial [Member]

Loans receivable [Member]

Loans receivable [Member]

Performing [Member]

Performing [Member]

Performing [Member]

Subsequent Event [Member]

Performing [Member]

Multi-family Loans [Member]

Accounts, Notes, Loans and Financing Receivable [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Loans pledged as collateral

$36,200,000,000

$40,100,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

Leveraged lease investment

1,000,000,000

945,200,000

'

'

'

'

'

'

'

'

'

'

'

'

'

Loans held-for-sale

128,949,000

[1]

843,442,000

[1]

352,471,000

17,932,000

'

111,000,000

17,932,000

0

0

'

'

'

'

'

'

Accrued interest receivable

195,782,000

208,660,000

'

'

'

'

'

'

'

135,300,000

130,000,000

'

'

'

'

Payments to purchase loans

'

'

'

539,300,000

660,100,000

'

'

'

'

'

'

'

'

'

816,500,000

Interest Income earned on troubled debt restructurings

'

'

'

'

'

'

'

'

'

'

'

42,000,000

22,700,000

'

'

Troubled debt restructurings

$1,003,643,000

$1,091,339,000

'

'

'

'

'

'

'

'

'

$656,606,000

'

$673,269,000

'

[1]

Amounts represent items for which the Company has elected the fair value option.

LOANS_AND_ALLOWANCE_FOR_CREDIT3

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Loans by Type (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	$49,921,677,000		$52,388,911,000
Loans held for investment, deferred income	122,600,000		76,900,000
Commercial Loans Held for Investment [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	32,169,154,000		32,931,339,000
Loans Held-for-investment [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	49,921,677,000	[1]	52,388,911,000	[1]
Loans held for investment with fixed rate of interest	23,431,663,000		24,056,174,000
Loans held for investment with variable rate of interest	26,490,014,000		28,332,737,000
Loans held for investment, Percent	100.00%	[1]	100.00%	[1]
Loans held for investment with fixed rate of interest, percent of total loans	46.90%		45.90%
Loans held for investment with variable rate of interest, percent of total loans	53.10%		54.10%
Loans Held-for-investment [Member] | Commercial Loans Held for Investment [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	32,151,222,000	[2],[3]	32,931,339,000	[2],[4]
Loans held for investment, Percent	64.40%		62.80%
Loans Held-for-investment [Member] | Commercial Loans Held for Investment [Member] | Commercial Real Estate Loans [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	9,303,885,000	[2],[3]	10,034,868,000	[2],[4]
Loans held for investment, Percent	18.60%		19.20%
Loans Held-for-investment [Member] | Commercial Loans Held for Investment [Member] | Commercial and Industrial [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	12,820,417,000	[2],[3],[5]	13,692,020,000	[2],[4]
Loans held for investment, Percent	25.70%		26.10%
Loans Held-for-investment [Member] | Commercial Loans Held for Investment [Member] | Multi-family Loans [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	8,237,029,000	[2],[3]	7,572,555,000	[2],[4]
Loans held for investment, Percent	16.50%		14.40%
Loans Held-for-investment [Member] | Commercial Loans Held for Investment [Member] | Other [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	1,789,891,000	[2],[3],[6]	1,631,896,000	[2],[4],[6]
Loans held for investment, Percent	3.60%	[6]	3.10%
Loans Held-for-investment [Member] | Consumer [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	17,770,455,000	[4],[7]	19,457,572,000	[2],[4]
Loans held for investment, Percent	35.60%		37.20%
Loans Held-for-investment [Member] | Consumer [Member] | Residential Mortgages [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	9,561,187,000	[4],[7]	10,400,967,000	[2],[4]
Loans Held-for-investment [Member] | Consumer [Member] | Home Equity Loans and Lines of Credit [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	6,311,694,000	[4],[7]	6,638,466,000	[2],[4]
Loans Held-for-investment [Member] | Consumer [Member] | Auto Loans [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	81,804,000	[4],[7]	295,398,000	[2],[4]
Loans Held-for-investment [Member] | Consumer [Member] | Other [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	1,815,770,000	[4],[7]	2,122,741,000	[2],[4]
Loans Held-for-investment [Member] | Consumer Loans Secured by Real Estate [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	15,872,881,000		17,039,433,000
Loans held for investment, Percent	31.80%		32.50%
Loans Held-for-investment [Member] | Consumer Loans Secured by Real Estate [Member] | Residential Mortgages [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	9,561,187,000		10,400,967,000
Loans held for investment, Percent	19.20%		19.80%
Loans Held-for-investment [Member] | Consumer Loans Secured by Real Estate [Member] | Home Equity Loans and Lines of Credit [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	6,311,694,000		6,638,466,000
Loans held for investment, Percent	12.60%		12.70%
Loans Held-for-investment [Member] | Consumer Loans not Secured by Real Estate [Member] | Auto Loans [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	81,804,000		295,398,000
Loans held for investment, Percent	0.20%		0.60%
Loans Held-for-investment [Member] | Consumer Loans not Secured by Real Estate [Member] | Other [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Loans held for investment	$1,815,770,000	[8]	$2,122,741,000	[8]
Loans held for investment, Percent	3.60%	[8]	4.10%	[8]
[1]	Total loans held for investment includes deferred loan origination costs, net of deferred loan fees and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments. These items resulted in a net increase in loan balances of $122.6 million and $76.9 million as of December 31, 2013 and December 31, 2012, respectively.
[2]	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC 310-10.
[3]	These represent the Company's loan categories based on the United States Securities and Exchange Commission's (the "SEC's") Regulation S-X Article 9.
[4]	These represent the Company's loan categories based on the SEC's Regulation S-X Article 9.
[5]	Commercial and industrial loans exclude $17.9 million of LHFS.
[6]	Other commercial primarily includes commercial equipment vehicle funding leases and loans.
[7]	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC310-10.
[8]	Other consumer primarily includes recreational vehicles and marine loans.

LOANS_AND_ALLOWANCE_FOR_CREDIT4

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Rollforward of Allowance for Credit Losses (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Allowance for Loan Losses [Roll Forward]	'		'		'
Allowance for loan losses, beginning of period	$1,013,469		$1,083,492		$2,197,450
Allowance recorded as part of loans transferred from Santander	0		3,712		0
Allowance released due to SCUSA transaction	0		0		-1,208,474
Provision/(recovery) for loan losses	36,850	[1],[2]	439,285	[1],[2]	1,364,087	[1],[2]
Charge-offs	-315,204		-607,239		-1,614,037
Recoveries	99,222		94,219		344,466
Charge-offs, net of recoveries	-215,982		-513,020		-1,269,571
Allowance for loan losses, end of period	834,337		1,013,469		1,083,492
Reserve for unfunded lending commitments, beginning of period	210,000		256,485		300,621
Addition to (Release of) provision for unfunded lending commitments	10,000	[1]	-46,485	[1]	-44,136	[1]
Reserve for unfunded lending commitments, end of period	220,000		210,000		256,485
Total allowance for credit losses, end of period	1,054,337		1,223,469		1,339,977
Allowance for Credit Loss, Additional Information [Abstract]	'		'		'
Ending balance, individually evaluated for impairment	225,796		267,054		252,556
Ending balance, collectively evaluated for impairment	608,541		746,415		830,936
Total Financing Receivables	50,050,626	[3]	53,232,353	[3]	51,659,851
Ending balance, evaluated at fair value	128,949	[4]	843,442	[4]	352,471
Ending balance, individually evaluated for impairment	1,233,152		1,390,207		1,331,011
Ending balance, collectively evaluated for impairment	48,688,525		50,998,704		49,976,369
Commercial [Member]	'		'		'
Allowance for Loan Losses [Roll Forward]	'		'		'
Allowance for loan losses, beginning of period	580,931		766,865		905,786
Allowance recorded as part of loans transferred from Santander	'		3,712		'
Allowance released due to SCUSA transaction	'		'		0
Provision/(recovery) for loan losses	-67,472		97,528		364,048
Charge-offs	-123,517		-335,114		-545,028
Recoveries	53,132		47,940		42,059
Charge-offs, net of recoveries	-70,385		-287,174		-502,969
Allowance for loan losses, end of period	443,074		580,931		766,865
Allowance for Credit Loss, Additional Information [Abstract]	'		'		'
Ending balance, individually evaluated for impairment	90,594		112,784		217,865
Ending balance, collectively evaluated for impairment	352,481		468,147		549,000
Total Financing Receivables	32,169,154		32,931,339		29,889,193
Ending balance, evaluated at fair value	17,932		0		0
Ending balance, individually evaluated for impairment	479,343		633,822		836,580
Ending balance, collectively evaluated for impairment	31,671,879		32,297,517		29,052,613
Consumer [Member]	'		'		'
Allowance for Loan Losses [Roll Forward]	'		'		'
Allowance for loan losses, beginning of period	407,259		292,816		1,275,982
Allowance recorded as part of loans transferred from Santander	'		0		'
Allowance released due to SCUSA transaction	'		'		-1,208,474
Provision/(recovery) for loan losses	101,985		340,289		991,910
Charge-offs	-191,687		-272,125		-1,069,009
Recoveries	46,090		46,279		302,407
Charge-offs, net of recoveries	-145,597		-225,846		-766,602
Allowance for loan losses, end of period	363,647		407,259		292,816
Allowance for Credit Loss, Additional Information [Abstract]	'		'		'
Ending balance, individually evaluated for impairment	135,202		154,270		34,691
Ending balance, collectively evaluated for impairment	228,444		252,989		258,125
Total Financing Receivables	17,881,472	[3]	20,301,014	[3]	21,770,658
Ending balance, evaluated at fair value	111,017		843,442		352,471
Ending balance, individually evaluated for impairment	753,809		756,385		494,431
Ending balance, collectively evaluated for impairment	17,016,646		18,701,187		20,923,756
Consumer Loans Secured by Real Estate [Member]	'		'		'
Allowance for Loan Losses [Roll Forward]	'		'		'
Charge-offs	-94,651		-154,263		-250,992
Recoveries	14,148		8,935		8,419
Consumer Loans not Secured by Real Estate [Member]	'		'		'
Allowance for Loan Losses [Roll Forward]	'		'		'
Charge-offs	-97,036	[2]	-117,862	[2]	-818,017	[2]
Recoveries	31,942	[2]	37,344	[2]	293,988	[2]
Unallocated [Member]	'		'		'
Allowance for Loan Losses [Roll Forward]	'		'		'
Allowance for loan losses, beginning of period	25,279		23,811		15,682
Allowance recorded as part of loans transferred from Santander	'		0		'
Allowance released due to SCUSA transaction	'		'		0
Provision/(recovery) for loan losses	2,337		1,468		8,129
Charge-offs	0		0		0
Recoveries	0		0		0
Charge-offs, net of recoveries	0		0		0
Allowance for loan losses, end of period	27,616		25,279		23,811
Allowance for Credit Loss, Additional Information [Abstract]	'		'		'
Ending balance, individually evaluated for impairment	0		0		0
Ending balance, collectively evaluated for impairment	27,616		25,279		23,811
Total Financing Receivables	0		0		0
Ending balance, evaluated at fair value	0		0		0
Ending balance, individually evaluated for impairment	0		0		0
Ending balance, collectively evaluated for impairment	$0		$0		$0
[1]	The Company defines the Provision for credit losses in the Consolidated Statement of Operations as the sum of the total provision for loan losses and provision for unfunded lending commitments.
[2]	On December 31, 2011, the Company deconsolidated SCUSA as a result of certain agreements with investors entered into during the fourth quarter of 2011. The activity for the years 2012 and 2013 does not include SCUSA activity.
[3]	Financing receivables include LHFS.
[4]	Amounts represent items for which the Company has elected the fair value option.

LOANS_AND_ALLOWANCE_FOR_CREDIT5

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Nonperforming Assets (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Financing Receivable, Recorded Investment [Line Items]	'	'
Other repossessed assets	$3,073	$3,301
Nonperforming [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Nonaccrual loans	998,409	1,172,676
Other real estate owned	88,603	65,962
Other repossessed assets	3,073	3,301
Total other real estate owned and other repossessed assets	91,676	69,263
Total non-performing assets	1,090,085	1,241,939
Nonperforming [Member] | Commercial [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Nonaccrual loans	372,338	471,934
Nonperforming [Member] | Commercial [Member] | Commercial Real Estate [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Nonaccrual loans	250,073	291,236
Nonperforming [Member] | Commercial [Member] | Commercial and Industrial [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Nonaccrual loans	100,894	122,111
Nonperforming [Member] | Commercial [Member] | Multi-family [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Nonaccrual loans	21,371	58,587
Nonperforming [Member] | Consumer [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Nonaccrual loans	626,071	700,742
Nonperforming [Member] | Consumer [Member] | Residential Mortgages [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Nonaccrual loans	473,566	511,382
Nonperforming [Member] | Consumer Loans Secured by Real Estate [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Nonaccrual loans	141,961	170,486
Nonperforming [Member] | Consumer Loans not Secured by Real Estate [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Nonaccrual loans	$10,544	$18,874

LOANS_AND_ALLOWANCE_FOR_CREDIT6

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Impaired Loans (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Receivables [Abstract]	'	'
Impaired loans with a related allowance	$916,055,000	$1,029,392,000
Impaired loans without a related allowance	317,097,000	360,815,000
Total impaired loans	1,233,152,000	1,390,207,000
Allowance for loan losses reserved for impaired loans	225,796,000	267,054,000
Minimum amount for commercial non-accrual loans	$1,000,000	'

LOANS_AND_ALLOWANCE_FOR_CREDIT7

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Credit Quality Classification (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
In Thousands, unless otherwise specified
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	$49,921,677		$52,388,911		'
Loans held-for-sale	128,949	[1]	843,442	[1]	352,471
Commercial and Industrial Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Loans held-for-sale	17,932		'		'
Corporate Banking [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	17,173,802		18,412,921		'
Middle Market Commercial Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	3,977,934		3,948,893		'
Santander Real Estate Capital [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	9,886,783		9,544,803		'
Commercial [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	32,169,154		32,931,339		'
Loans held-for-sale	17,932		0		0
Home Mortgages [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	9,672,080	[2],[3]	11,243,321	[2],[3]	'
Loans held-for-sale	111,000		'		'
Self-originated Home Equity [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	6,056,718	[2],[3]	6,333,426	[2],[3]	'
Credit Cards [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	215,444		214,542		'
Consumer [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Loans held-for-sale	111,017		843,442		352,471
Loans Held-for-investment [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	49,921,677	[4]	52,388,911	[4]	'
Loans Held-for-investment [Member] | Corporate Banking [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	17,155,870	[5],[6]	18,412,921	[5],[7]	'
Loans Held-for-investment [Member] | Corporate Banking [Member] | Commercial Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	3,767,869	[5],[6]	4,133,449	[5],[7]	'
Loans Held-for-investment [Member] | Corporate Banking [Member] | Commercial and Industrial Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	12,534,472	[5],[6],[8]	13,441,238	[5],[7]	'
Loans Held-for-investment [Member] | Corporate Banking [Member] | Multi-family Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	191,958	[5],[6]	223,009	[5],[7]	'
Loans Held-for-investment [Member] | Corporate Banking [Member] | Other [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	661,571	[5],[6]	615,225	[5],[7]	'
Loans Held-for-investment [Member] | Middle Market Commercial Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	3,977,934	[5],[6]	3,948,893	[5],[7]	'
Loans Held-for-investment [Member] | Middle Market Commercial Real Estate [Member] | Commercial Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	3,510,371	[5],[6]	3,520,808	[5],[7]	'
Loans Held-for-investment [Member] | Middle Market Commercial Real Estate [Member] | Commercial and Industrial Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	251,666	[5],[6],[8]	215,909	[5],[7]	'
Loans Held-for-investment [Member] | Middle Market Commercial Real Estate [Member] | Multi-family Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	215,897	[5],[6]	212,176	[5],[7]	'
Loans Held-for-investment [Member] | Middle Market Commercial Real Estate [Member] | Other [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[5],[6]	0	[5],[7]	'
Loans Held-for-investment [Member] | Santander Real Estate Capital [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	9,886,783	[5],[6]	9,544,803	[5],[7]	'
Loans Held-for-investment [Member] | Santander Real Estate Capital [Member] | Commercial Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	2,025,645	[5],[6]	2,380,611	[5],[7]	'
Loans Held-for-investment [Member] | Santander Real Estate Capital [Member] | Commercial and Industrial Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	31,964	[5],[6],[8]	26,822	[5],[7]	'
Loans Held-for-investment [Member] | Santander Real Estate Capital [Member] | Multi-family Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	7,829,174	[5],[6]	7,137,370	[5],[7]	'
Loans Held-for-investment [Member] | Santander Real Estate Capital [Member] | Other [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[5],[6]	0	[5],[7]	'
Loans Held-for-investment [Member] | Remaining Commercial [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	1,130,635	[5],[6]	1,024,722	[5],[7]	'
Loans Held-for-investment [Member] | Remaining Commercial [Member] | Commercial Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[5],[6]	0	[5],[7]	'
Loans Held-for-investment [Member] | Remaining Commercial [Member] | Commercial and Industrial Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	2,315	[5],[6],[8]	8,051	[5],[7]	'
Loans Held-for-investment [Member] | Remaining Commercial [Member] | Multi-family Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[5],[6]	0	[5],[7]	'
Loans Held-for-investment [Member] | Remaining Commercial [Member] | Other [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	1,128,320	[5],[6]	1,016,671	[5],[7]	'
Loans Held-for-investment [Member] | Commercial [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	32,151,222	[5],[6]	32,931,339	[5],[7]	'
Loans Held-for-investment [Member] | Commercial [Member] | Commercial Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	9,303,885	[5],[6]	10,034,868	[5],[7]	'
Loans Held-for-investment [Member] | Commercial [Member] | Commercial and Industrial Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	12,820,417	[5],[6],[8]	13,692,020	[5],[7]	'
Loans Held-for-investment [Member] | Commercial [Member] | Multi-family Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	8,237,029	[5],[6]	7,572,555	[5],[7]	'
Loans Held-for-investment [Member] | Commercial [Member] | Other [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	1,789,891	[5],[6],[9]	1,631,896	[5],[7],[9]	'
Loans Held-for-investment [Member] | Home Mortgages [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	9,561,063	[10],[11],[7]	10,399,879	[12],[5],[7]	'
Loans Held-for-investment [Member] | Home Mortgages [Member] | Residential Mortgages [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	9,561,063	[10],[11],[7]	10,399,879	[12],[5],[7]	'
Loans Held-for-investment [Member] | Home Mortgages [Member] | Home Equity Loans and Lines of Credit [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[10],[11],[7]	0	[12],[5],[7]	'
Loans Held-for-investment [Member] | Home Mortgages [Member] | Consumer Loans Secured by Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	9,561,063	[10],[11],[7]	10,399,879	[12],[5],[7]	'
Loans Held-for-investment [Member] | Home Mortgages [Member] | Auto Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[10],[11],[7]	0	[12],[5],[7]	'
Loans Held-for-investment [Member] | Home Mortgages [Member] | Other [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[10],[11],[7]	0	[12],[5],[7]	'
Loans Held-for-investment [Member] | Self-originated Home Equity [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	6,056,718	[11],[7]	6,333,426	[5],[7]	'
Loans Held-for-investment [Member] | Self-originated Home Equity [Member] | Residential Mortgages [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	124	[11],[7]	0	[5],[7]	'
Loans Held-for-investment [Member] | Self-originated Home Equity [Member] | Home Equity Loans and Lines of Credit [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	6,056,594	[11],[7]	6,333,426	[5],[7]	'
Loans Held-for-investment [Member] | Self-originated Home Equity [Member] | Consumer Loans Secured by Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	6,056,718	[11],[7]	6,333,426	[5],[7]	'
Loans Held-for-investment [Member] | Self-originated Home Equity [Member] | Auto Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[11],[7]	0	[5],[7]	'
Loans Held-for-investment [Member] | Self-originated Home Equity [Member] | Other [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[11],[7]	0	[5],[7]	'
Loans Held-for-investment [Member] | Indirect Purchased [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	1,162,350	[11],[7]	1,473,278	[5],[7]	'
Loans Held-for-investment [Member] | Indirect Purchased [Member] | Residential Mortgages [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[11],[7]	0	[5],[7]	'
Loans Held-for-investment [Member] | Indirect Purchased [Member] | Home Equity Loans and Lines of Credit [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[11],[7]	0	[5],[7]	'
Loans Held-for-investment [Member] | Indirect Purchased [Member] | Consumer Loans Secured by Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[11],[7]	0	[5],[7]	'
Loans Held-for-investment [Member] | Indirect Purchased [Member] | Auto Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[11],[7]	0	[5],[7]	'
Loans Held-for-investment [Member] | Indirect Purchased [Member] | Other [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	1,162,350	[11],[7]	1,473,278	[5],[7]	'
Loans Held-for-investment [Member] | Credit Cards [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	215,444	[11],[7]	214,542	[5],[7]	'
Loans Held-for-investment [Member] | Credit Cards [Member] | Residential Mortgages [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[11],[7]	0	[5],[7]	'
Loans Held-for-investment [Member] | Credit Cards [Member] | Home Equity Loans and Lines of Credit [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[11],[7]	0	[5],[7]	'
Loans Held-for-investment [Member] | Credit Cards [Member] | Consumer Loans Secured by Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[11],[7]	0	[5],[7]	'
Loans Held-for-investment [Member] | Credit Cards [Member] | Auto Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[11],[7]	0	[5],[7]	'
Loans Held-for-investment [Member] | Credit Cards [Member] | Other [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	215,444	[11],[7]	214,542	[5],[7]	'
Loans Held-for-investment [Member] | Remaining Consumer [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	774,880		1,036,447	[5],[7]	'
Loans Held-for-investment [Member] | Remaining Consumer [Member] | Residential Mortgages [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0	[11],[7]	1,088	[5],[7]	'
Loans Held-for-investment [Member] | Remaining Consumer [Member] | Home Equity Loans and Lines of Credit [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	255,100	[11],[7]	305,040	[5],[7]	'
Loans Held-for-investment [Member] | Remaining Consumer [Member] | Consumer Loans Secured by Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	255,100	[11],[7]	306,128	[5],[7]	'
Loans Held-for-investment [Member] | Remaining Consumer [Member] | Auto Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	81,804		295,398	[5],[7]	'
Loans Held-for-investment [Member] | Remaining Consumer [Member] | Other [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	437,976		434,921	[5],[7]	'
Loans Held-for-investment [Member] | Consumer [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	17,770,455	[11],[7]	19,457,572	[5],[7]	'
Loans Held-for-investment [Member] | Consumer [Member] | Residential Mortgages [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	9,561,187	[11],[7]	10,400,967	[5],[7]	'
Loans Held-for-investment [Member] | Consumer [Member] | Home Equity Loans and Lines of Credit [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	6,311,694	[11],[7]	6,638,466	[5],[7]	'
Loans Held-for-investment [Member] | Consumer [Member] | Consumer Loans Secured by Real Estate [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	15,872,881	[11],[7]	17,039,433	[5],[7]	'
Loans Held-for-investment [Member] | Consumer [Member] | Auto Loans [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	81,804	[11],[7]	295,398	[5],[7]	'
Loans Held-for-investment [Member] | Consumer [Member] | Other [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	$1,815,770	[11],[7]	$2,122,741	[5],[7]	'
[1]	Amounts represent items for which the Company has elected the fair value option.
[2]	CLTV is inclusive of senior lien balances and updated as considered necessary. CLTV ranges represent the unpaid principal balance except for the "N/A" range which represents the unpaid principal balance plus deferred loan origination costs, net of deferred loan fees and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.
[3]	Financing receivables includes LHFS.
[4]	Total loans held for investment includes deferred loan origination costs, net of deferred loan fees and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments. These items resulted in a net increase in loan balances of $122.6 million and $76.9 million as of December 31, 2013 and December 31, 2012, respectively.
[5]	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC 310-10.
[6]	These represent the Company's loan categories based on the United States Securities and Exchange Commission's (the "SEC's") Regulation S-X Article 9.
[7]	These represent the Company's loan categories based on the SEC's Regulation S-X Article 9.
[8]	Commercial and industrial loans exclude $17.9 million of LHFS.
[9]	Other commercial primarily includes commercial equipment vehicle funding leases and loans.
[10]	Home mortgages exclude $111.0 million of LHFS
[11]	These represent the Company's loan classes used to determine its allowance for loan and lease losses in accordance with ASC310-10.
[12]	Home mortgages exclude $843.4 million of LHFS.

LOANS_AND_ALLOWANCE_FOR_CREDIT8

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Past Due (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
In Thousands, unless otherwise specified
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
Non-accrual loans	$998,409		$1,172,676		'
30-59 Days Past Due	303,809		392,502		'
60-89 Days Past Due	157,726		236,853		'
Greater Than 90 Days	683,859		737,388		'
Total Past Due	1,145,394		1,366,743		'
Current	48,905,232		51,865,610		'
Total Financing Receivables	50,050,626	[1]	53,232,353	[1]	51,659,851
Recorded Investment Greater Than 90 Days and Accruing	2,545		3,052		'
Corporate Banking [Member]	'		'		'
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
Non-accrual loans	193,407		213,922		'
30-59 Days Past Due	31,002		42,430		'
60-89 Days Past Due	10,116		37,701		'
Greater Than 90 Days	95,316		128,517		'
Total Past Due	136,434		208,648		'
Current	17,037,368		18,204,273		'
Total Financing Receivables	17,173,802	[1]	18,412,921	[1]	'
Recorded Investment Greater Than 90 Days and Accruing	0		0		'
Middle Market Commercial Real Estate [Member]	'		'		'
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
Non-accrual loans	147,800		190,073		'
30-59 Days Past Due	5,980		21,111		'
60-89 Days Past Due	13,897		31,939		'
Greater Than 90 Days	83,859		41,550		'
Total Past Due	103,736		94,600		'
Current	3,874,198		3,854,293		'
Total Financing Receivables	3,977,934	[1]	3,948,893	[1]	'
Recorded Investment Greater Than 90 Days and Accruing	0		0		'
Santander Real Estate Capital [Member]	'		'		'
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
Non-accrual loans	27,756		65,809		'
30-59 Days Past Due	5,348		16,925		'
60-89 Days Past Due	14,939		26,618		'
Greater Than 90 Days	6,320		27,048		'
Total Past Due	26,607		70,591		'
Current	9,860,176		9,474,212		'
Total Financing Receivables	9,886,783	[1]	9,544,803	[1]	'
Recorded Investment Greater Than 90 Days and Accruing	0		0		'
Remaining Commercial [Member]	'		'		'
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
Non-accrual loans	3,375		2,130		'
30-59 Days Past Due	2,001		1,906		'
60-89 Days Past Due	127		266		'
Greater Than 90 Days	1,905		1,464		'
Total Past Due	4,033		3,636		'
Current	1,126,602		1,021,086		'
Total Financing Receivables	1,130,635	[1]	1,024,722	[1]	'
Recorded Investment Greater Than 90 Days and Accruing	0		0		'
Commercial [Member]	'		'		'
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
Non-accrual loans	372,338		471,934		'
Total Financing Receivables	32,169,154		32,931,339		29,889,193
Home Mortgages [Member]	'		'		'
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
Non-accrual loans	473,566		511,382		'
30-59 Days Past Due	186,270		208,875		'
60-89 Days Past Due	86,563		99,361		'
Greater Than 90 Days	379,076		398,450		'
Total Past Due	651,909		706,686		'
Current	9,020,171		10,536,635		'
Total Financing Receivables	9,672,080		11,243,321	[1]	'
Recorded Investment Greater Than 90 Days and Accruing	0		0		'
Self-originated Home Equity [Member]	'		'		'
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
Non-accrual loans	108,275		122,985		'
30-59 Days Past Due	29,488		34,112		'
60-89 Days Past Due	14,401		15,301		'
Greater Than 90 Days	78,005		82,356		'
Total Past Due	121,894		131,769		'
Current	5,934,824		6,201,657		'
Total Financing Receivables	6,056,718		6,333,426	[1]	'
Recorded Investment Greater Than 90 Days and Accruing	0		0		'
Indirect Purchased [Member]	'		'		'
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
Non-accrual loans	3,474		5,698		'
30-59 Days Past Due	9,779		12,495		'
60-89 Days Past Due	4,748		6,040		'
Greater Than 90 Days	2,660		4,317		'
Total Past Due	17,187		22,852		'
Current	1,145,163		1,450,426		'
Total Financing Receivables	1,162,350		1,473,278	[1]	'
Recorded Investment Greater Than 90 Days and Accruing	0		0		'
Credit Cards [Member]	'		'		'
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
30-59 Days Past Due	1,890		1,785		'
60-89 Days Past Due	1,166		1,245		'
Greater Than 90 Days	2,545		3,052		'
Total Past Due	5,601		6,082		'
Current	209,843		208,460		'
Total Financing Receivables	215,444		214,542	[1]	'
Recorded Investment Greater Than 90 Days and Accruing	2,545		3,052		'
Remaining Consumer [Member]	'		'		'
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
Non-accrual loans	40,756		60,677		'
30-59 Days Past Due	32,051		52,863		'
60-89 Days Past Due	11,769		18,382		'
Greater Than 90 Days	34,173		50,634		'
Total Past Due	77,993		121,879		'
Current	696,887		914,568		'
Total Financing Receivables	774,880	[1]	1,036,447	[1]	'
Recorded Investment Greater Than 90 Days and Accruing	0		0		'
Consumer [Member]	'		'		'
Financing Receivable, Recorded Investments, Past Due [Line Items]	'		'		'
Non-accrual loans	626,071		700,742		'
Total Financing Receivables	$17,881,472	[1]	$20,301,014	[1]	$21,770,658
[1]	Financing receivables include LHFS.

LOANS_AND_ALLOWANCE_FOR_CREDIT9

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Impaired Loans by Class (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Financing Receivable, Impaired [Line Items]	'		'
Impaired financing receivable with no related allowance recorded, recorded investment	$317,097		$360,815
Impaired financing receivable with related allowance recorded, recorded investment	916,055		1,029,392
Total impaired loans	1,233,152		1,390,207
Impaired financing receivable, related specific reserves	225,796		267,054
Corporate Banking [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Impaired financing receivable with no related allowance recorded, recorded investment	54,637	[1]	67,261	[1]
Impaired financing receivable with related allowance recorded, recorded investment	154,810	[1]	206,253	[1]
Impaired financing receivable with no related allowance recorded, unpaid principal balance	76,139		89,023
Impaired financing receivable with related allowance recorded, unpaid principal balance	169,511		226,594
Impaired financing receivable, related specific reserves	60,892		59,740
Impaired financing receivable with no related allowance recorded, average recorded investment	60,949		54,950
Impaired financing receivable with related allowance recorded, average recorded investment	180,532		204,842
Middle Market Commercial Real Estate [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Impaired financing receivable with no related allowance recorded, recorded investment	103,670	[1]	103,872	[1]
Impaired financing receivable with related allowance recorded, recorded investment	120,387	[1]	153,978	[1]
Impaired financing receivable with no related allowance recorded, unpaid principal balance	125,933		104,486
Impaired financing receivable with related allowance recorded, unpaid principal balance	184,672		231,960
Impaired financing receivable, related specific reserves	26,130		37,393
Impaired financing receivable with no related allowance recorded, average recorded investment	103,771		116,437
Impaired financing receivable with related allowance recorded, average recorded investment	137,183		227,824
Santander Real Estate Capital [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Impaired financing receivable with no related allowance recorded, recorded investment	24,919	[1]	24,118	[1]
Impaired financing receivable with related allowance recorded, recorded investment	18,611	[1]	70,323	[1]
Impaired financing receivable with no related allowance recorded, unpaid principal balance	24,919		24,118
Impaired financing receivable with related allowance recorded, unpaid principal balance	18,611		79,116
Impaired financing receivable, related specific reserves	3,572		15,651
Impaired financing receivable with no related allowance recorded, average recorded investment	24,519		23,921
Impaired financing receivable with related allowance recorded, average recorded investment	44,467		93,713
Remaining Commercial [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Impaired financing receivable with no related allowance recorded, recorded investment	2,309	[1]	8,017	[1]
Impaired financing receivable with related allowance recorded, recorded investment	0	[1]	0	[1]
Impaired financing receivable with no related allowance recorded, unpaid principal balance	2,308		8,017
Impaired financing receivable with related allowance recorded, unpaid principal balance	0		0
Impaired financing receivable, related specific reserves	0		0
Impaired financing receivable with no related allowance recorded, average recorded investment	5,162		12,537
Impaired financing receivable with related allowance recorded, average recorded investment	0		979
Home Mortgages [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Impaired financing receivable with no related allowance recorded, recorded investment	92,143	[1]	105,604	[1]
Impaired financing receivable with related allowance recorded, recorded investment	547,329	[1]	529,966	[1]
Impaired financing receivable with no related allowance recorded, unpaid principal balance	92,143		105,604
Impaired financing receivable with related allowance recorded, unpaid principal balance	603,866		584,571
Impaired financing receivable, related specific reserves	124,746		138,629
Impaired financing receivable with no related allowance recorded, average recorded investment	98,874		52,802
Impaired financing receivable with related allowance recorded, average recorded investment	538,648		512,199
Self-originated Home Equity [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Impaired financing receivable with no related allowance recorded, recorded investment	31,074	[1]	39,950	[1]
Impaired financing receivable with related allowance recorded, recorded investment	54,900	[1]	'
Total impaired loans	'		44,352	[1]
Impaired financing receivable with no related allowance recorded, unpaid principal balance	31,074		39,950
Impaired financing receivable with related allowance recorded, unpaid principal balance	63,975		'
Impaired financing receivable, unpaid principal balance	'		56,691
Impaired financing receivable, related specific reserves	5,479		7,532
Impaired financing receivable with no related allowance recorded, average recorded investment	35,512		39,136
Impaired financing receivable with related allowance recorded, average recorded investment	49,626		22,176
Indirect Purchased [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Impaired financing receivable with no related allowance recorded, recorded investment	818	[1]	1,404	[1]
Impaired financing receivable with no related allowance recorded, unpaid principal balance	2,279		3,231
Impaired financing receivable with no related allowance recorded, average recorded investment	1,111		702
Credit Cards [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Impaired financing receivable with related allowance recorded, recorded investment	2,535	[1]	5,926	[1]
Impaired financing receivable with related allowance recorded, unpaid principal balance	2,535		5,926
Impaired financing receivable, related specific reserves	677		3,420
Impaired financing receivable with related allowance recorded, average recorded investment	4,231		2,963
Remaining Consumer [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Impaired financing receivable with no related allowance recorded, recorded investment	7,527	[1]	10,589	[1]
Impaired financing receivable with related allowance recorded, recorded investment	17,483	[1]	18,594	[1]
Impaired financing receivable with no related allowance recorded, unpaid principal balance	15,141		14,588
Impaired financing receivable with related allowance recorded, unpaid principal balance	17,482		26,253
Impaired financing receivable, related specific reserves	4,300		4,689
Impaired financing receivable with no related allowance recorded, average recorded investment	9,058		14,763
Impaired financing receivable with related allowance recorded, average recorded investment	18,037		9,297
Commercial [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Total impaired loans	479,343	[1]	633,822	[1]
Impaired financing receivable, unpaid principal balance	602,093		763,314
Impaired financing receivable, related specific reserves	90,594		112,784
Impaired financing receivable with related allowance recorded, average recorded investment	'		735,203
Impaired financing receivables, average recorded investment	556,583		'
Consumer [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Total impaired loans	753,809	[1]	756,385	[1]
Impaired financing receivable, unpaid principal balance	828,495		836,814
Impaired financing receivable, related specific reserves	135,202		154,270
Impaired financing receivable with related allowance recorded, average recorded investment	'		654,038
Impaired financing receivables, average recorded investment	755,097		'
Total [Member]	'		'
Financing Receivable, Impaired [Line Items]	'		'
Total impaired loans	1,233,152	[1]	1,390,207	[1]
Impaired financing receivable, unpaid principal balance	1,430,588		1,600,128
Impaired financing receivable, related specific reserves	225,796		267,054
Impaired financing receivables, average recorded investment	$1,311,680		$1,389,241
[1]	Recorded investment includes deferred loan fees, net of deferred origination costs and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.

Recovered_Sheet1

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Regulatory Classifications (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	$49,921,677	$52,388,911
Corporate Banking [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	17,173,802	18,412,921
Corporate Banking [Member] | Pass [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	16,286,733	17,376,125
Corporate Banking [Member] | Special Mention [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	362,853	429,425
Corporate Banking [Member] | Substandard [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	475,601	520,677
Corporate Banking [Member] | Doubtful [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	48,615	86,694
Middle Market Commercial Real Estate [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	3,977,934	3,948,893
Middle Market Commercial Real Estate [Member] | Pass [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	3,478,285	2,876,574
Middle Market Commercial Real Estate [Member] | Special Mention [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	112,849	561,734
Middle Market Commercial Real Estate [Member] | Substandard [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	317,425	388,673
Middle Market Commercial Real Estate [Member] | Doubtful [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	69,375	121,912
Santander Real Estate Capital [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	9,886,783	9,544,803
Santander Real Estate Capital [Member] | Pass [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	9,535,606	8,981,161
Santander Real Estate Capital [Member] | Special Mention [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	164,759	326,795
Santander Real Estate Capital [Member] | Substandard [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	180,417	196,711
Santander Real Estate Capital [Member] | Doubtful [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	6,001	40,136
Remaining Commercial [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	1,130,635	1,024,722
Remaining Commercial [Member] | Pass [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	1,126,273	1,001,611
Remaining Commercial [Member] | Special Mention [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	374	13,981
Remaining Commercial [Member] | Substandard [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	3,988	9,130
Remaining Commercial [Member] | Doubtful [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	0	0
Commercial [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	32,169,154	32,931,339
Commercial [Member] | Pass [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	30,426,897	30,235,471
Commercial [Member] | Special Mention [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	640,835	1,331,935
Commercial [Member] | Substandard [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	977,431	1,115,191
Commercial [Member] | Doubtful [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Financing receivable	$123,991	$248,742

Recovered_Sheet2

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Consumer Lending Asset Quality Indicators (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
In Thousands, unless otherwise specified
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	$50,050,626	[1]	$53,232,353	[1]	$51,659,851
Home Mortgages [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	9,672,080		11,243,321	[1]	'
Self-originated Home Equity [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	6,056,718		6,333,426	[1]	'
Indirect Purchased [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	1,162,350		1,473,278	[1]	'
Credit Cards [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	215,444		214,542	[1]	'
Remaining Consumer [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	774,880	[1]	1,036,447	[1]	'
Consumer [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	17,881,472	[1]	20,301,014	[1]	21,770,658
Performing [Member] | Home Mortgages [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	9,198,515		10,731,939		'
Performing [Member] | Self-originated Home Equity [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	5,948,443		6,210,441		'
Performing [Member] | Indirect Purchased [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	1,158,876		1,467,580		'
Performing [Member] | Credit Cards [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	215,444		214,542		'
Performing [Member] | Remaining Consumer [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	734,123		975,770		'
Performing [Member] | Consumer [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	17,255,401	[1]	19,600,272	[1]	'
Nonperforming [Member] | Home Mortgages [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	473,565		511,382		'
Nonperforming [Member] | Self-originated Home Equity [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	108,275		122,985		'
Nonperforming [Member] | Indirect Purchased [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	3,474		5,698		'
Nonperforming [Member] | Credit Cards [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	0		0		'
Nonperforming [Member] | Remaining Consumer [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	40,757		60,677		'
Nonperforming [Member] | Consumer [Member]	'		'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'		'
Financing receivable	$626,071	[1]	$700,742	[1]	'
[1]	Financing receivables include LHFS.

Recovered_Sheet3

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Financing Receivables by Credit Score (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	$49,921,677		$52,388,911
Remaining Consumer [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	774,880		1,036,447
Percentage of total remaining consumer loans	100.00%		100.00%
Remaining Consumer [Member] | FICO score less than 620 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	139,096		229,017
Percentage of total remaining consumer loans	18.00%		22.10%
Remaining Consumer [Member] | FICO score of 620 to 639 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	34,864		42,755
Percentage of total remaining consumer loans	4.50%		4.10%
Remaining Consumer [Member] | FICO score of 640 to 659 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	45,228		50,129
Percentage of total remaining consumer loans	5.80%		4.80%
Remaining Consumer [Member] | FICO score of 660 to 679 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	52,780		57,775
Percentage of total remaining consumer loans	6.80%		5.60%
Remaining Consumer [Member] | FICO score of 680 to 699 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	57,474		62,819
Percentage of total remaining consumer loans	7.40%		6.10%
Remaining Consumer [Member] | FICO score of 700 to 719 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	57,016		57,914
Percentage of total remaining consumer loans	7.40%		5.60%
Remaining Consumer [Member] | FICO score of 720 to 739 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	55,008		52,789
Percentage of total remaining consumer loans	7.10%		5.10%
Remaining Consumer [Member] | FICO score of 740 to 759 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	39,791		48,101
Percentage of total remaining consumer loans	5.10%		4.60%
Remaining Consumer [Member] | FICO score of 760 to 779 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	34,289		39,594
Percentage of total remaining consumer loans	4.40%		3.80%
Remaining Consumer [Member] | FICO score of 780 to 799 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	27,263		32,685
Percentage of total remaining consumer loans	3.50%		3.20%
Remaining Consumer [Member] | FICO score equal to or greater than 800 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	52,354		134,836
Percentage of total remaining consumer loans	6.80%		13.00%
Remaining Consumer [Member] | FICO score not refreshed [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	179,717	[1]	228,033	[1]
Percentage of total remaining consumer loans	23.20%	[1]	22.00%	[1]
Credit Cards [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	215,444		214,542
Percentage of total credit card loans	100.00%		100.00%
Credit Cards [Member] | FICO score less than 620 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	10,221		13,384
Percentage of total credit card loans	4.70%		6.20%
Credit Cards [Member] | FICO score of 620 to 639 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	6,152		6,803
Percentage of total credit card loans	2.90%		3.20%
Credit Cards [Member] | FICO score of 640 to 659 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	9,477		10,627
Percentage of total credit card loans	4.40%		5.00%
Credit Cards [Member] | FICO score of 660 to 679 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	15,378		16,995
Percentage of total credit card loans	7.20%		7.90%
Credit Cards [Member] | FICO score of 680 to 699 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	23,947		25,976
Percentage of total credit card loans	11.10%		12.10%
Credit Cards [Member] | FICO score of 700 to 719 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	29,894		31,638
Percentage of total credit card loans	13.90%		14.70%
Credit Cards [Member] | FICO score of 720 to 739 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	29,545		30,144
Percentage of total credit card loans	13.70%		14.10%
Credit Cards [Member] | FICO score of 740 to 759 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	26,002		25,632
Percentage of total credit card loans	12.10%		11.90%
Credit Cards [Member] | FICO score of 760 to 779 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	20,747		19,547
Percentage of total credit card loans	9.60%		9.10%
Credit Cards [Member] | FICO score of 780 to 799 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	17,772		16,327
Percentage of total credit card loans	8.20%		7.60%
Credit Cards [Member] | FICO score equal to or greater than 800 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	21,483		16,887
Percentage of total credit card loans	10.00%		7.90%
Credit Cards [Member] | FICO score not refreshed [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	4,826	[1]	582	[1]
Percentage of total credit card loans	2.20%	[1]	0.30%	[1]
Home Equity [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	6,056,718	[2],[3]	6,333,426	[2],[3]
Percent of total home equity loans	100.00%		'
Home Equity [Member] | FICO score not refreshed [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	45,273	[1]	'
Percent of total home equity loans	0.70%	[1]	'
Home Equity [Member] | FICO score less than 600 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	336,713		'
Percent of total home equity loans	5.60%		'
Home Equity [Member] | FICO score of 600 to 639 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	281,186		'
Percent of total home equity loans	4.60%		'
Home Equity [Member] | FICO score of 640 to 679 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	524,937		'
Percent of total home equity loans	8.70%		'
Home Equity [Member] | FICO score of 680 to 719 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	869,460		'
Percent of total home equity loans	14.40%		'
Home Equity [Member] | FICO score of 720 to 759 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	1,223,179		'
Percent of total home equity loans	20.20%		'
Home Equity [Member] | FICO score equal to or greater than 760 [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	$2,775,970		'
Percent of total home equity loans	45.80%		'
[1]	Loans serviced by third parties do not receive refreshed FICO scores.
[2]	CLTV is inclusive of senior lien balances and updated as considered necessary. CLTV ranges represent the unpaid principal balance except for the "N/A" range which represents the unpaid principal balance plus deferred loan origination costs, net of deferred loan fees and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.
[3]	Financing receivables includes LHFS.

Recovered_Sheet4

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Financing Receivables by CLTV Range (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	$49,921,677		$52,388,911
Home Mortgages [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	9,672,080	[1],[2]	11,243,321	[1],[2]
Percentage of total home mortgages	100.00%	[1],[2]	100.00%	[1],[2]
Self-originated Home Equity [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	6,056,718	[1],[2]	6,333,426	[1],[2]
Percentage of total self-originated home equity loans	100.00%	[1],[2]	100.00%	[1],[2]
LTV of Less than or Equal to 80% [Member] | Home Mortgages [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	7,124,926	[1]	7,488,720	[1]
Percentage of total home mortgages	73.70%	[1]	66.60%	[1]
LTV of Less than or Equal to 80% [Member] | Self-originated Home Equity [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	4,061,541	[1]	3,927,163	[1]
Percentage of total self-originated home equity loans	67.00%	[1]	62.00%	[1]
LTV of 80.01% to 90% [Member] | Home Mortgages [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	665,806	[1]	904,376	[1]
Percentage of total home mortgages	6.90%	[1]	8.10%	[1]
LTV of 80.01% to 90% [Member] | Self-originated Home Equity [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	946,933	[1]	1,000,224	[1]
Percentage of total self-originated home equity loans	15.60%	[1]	15.80%	[1]
LTV of 90.01% to 100% [Member] | Home Mortgages [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	647,079	[1]	717,066	[1]
Percentage of total home mortgages	6.70%	[1]	6.40%	[1]
LTV of 90.01% to 100% [Member] | Self-originated Home Equity [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	357,817	[1]	429,240	[1]
Percentage of total self-originated home equity loans	5.90%	[1]	6.80%	[1]
LTV of 100.01% to 120% [Member] | Home Mortgages [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	451,833	[1]	575,915	[1]
Percentage of total home mortgages	4.70%	[1]	5.10%	[1]
LTV of 100.01% to 120% [Member] | Self-originated Home Equity [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	338,194	[1]	476,165	[1]
Percentage of total self-originated home equity loans	5.60%	[1]	7.50%	[1]
LTV of 120.01% to 140% [Member] | Home Mortgages [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	188,201	[1]	239,384	[1]
Percentage of total home mortgages	1.80%	[1]	2.10%	[1]
LTV of 120.01% to 140% [Member] | Self-originated Home Equity [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	125,099	[1]	197,071	[1]
Percentage of total self-originated home equity loans	2.10%	[1]	3.10%	[1]
LTV Greater than 140% [Member] | Home Mortgages [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	199,016	[1]	256,932	[1]
Percentage of total home mortgages	2.10%	[1]	2.30%	[1]
LTV Greater than 140% [Member] | Self-originated Home Equity [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	108,664	[1]	174,055	[1]
Percentage of total self-originated home equity loans	1.80%	[1]	2.80%	[1]
LTV Not Applicable [Member] | Home Mortgages [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	395,219	[1]	1,060,928	[1]
Percentage of total home mortgages	4.10%	[1]	9.40%	[1]
LTV Not Applicable [Member] | Self-originated Home Equity [Member]	'		'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'		'
Financing receivable, including receivable held-for-sale	$118,470	[1]	$129,508	[1]
Percentage of total self-originated home equity loans	2.00%	[1]	2.00%	[1]
[1]	CLTV is inclusive of senior lien balances and updated as considered necessary. CLTV ranges represent the unpaid principal balance except for the "N/A" range which represents the unpaid principal balance plus deferred loan origination costs, net of deferred loan fees and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.
[2]	Financing receivables includes LHFS.

Recovered_Sheet5

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Troubled Debt Restructuring Activity) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
	Contract		Contract
Financing Receivable, Modifications [Line Items]	'		'
Troubled debt restructurings	$1,003,643		$1,091,339
Trouble debt restructurings, number of contracts	487		5,627
Trouble debt restructurings, pre-modification outstanding recorded investment	153,232	[1]	553,027	[1]
Trouble debt restructurings, post-modification outstanding recorded investment	151,942	[2]	514,100	[2]
Corporate Banking [Member]	'		'
Financing Receivable, Modifications [Line Items]	'		'
Trouble debt restructurings, number of contracts	1		19
Trouble debt restructurings, pre-modification outstanding recorded investment	7,796	[1]	103,095	[1]
Trouble debt restructurings, post-modification outstanding recorded investment	18,767	[2]	110,026	[2]
Middle Market Commercial Real Estate [Member]	'		'
Financing Receivable, Modifications [Line Items]	'		'
Trouble debt restructurings, number of contracts	16		19
Trouble debt restructurings, pre-modification outstanding recorded investment	62,151	[1]	141,480	[1]
Trouble debt restructurings, post-modification outstanding recorded investment	49,877	[2]	127,952	[2]
Santander Real Estate Capital [Member]	'		'
Financing Receivable, Modifications [Line Items]	'		'
Trouble debt restructurings, number of contracts	2		3
Trouble debt restructurings, pre-modification outstanding recorded investment	4,040	[1]	12,956	[1]
Trouble debt restructurings, post-modification outstanding recorded investment	3,540	[2]	12,756	[2]
Remaining Commercial [Member]	'		'
Financing Receivable, Modifications [Line Items]	'		'
Trouble debt restructurings, number of contracts	15		'
Trouble debt restructurings, pre-modification outstanding recorded investment	18,244		'
Trouble debt restructurings, post-modification outstanding recorded investment	17,633		'
Home Mortgages [Member]	'		'
Financing Receivable, Modifications [Line Items]	'		'
Trouble debt restructurings, number of contracts	302	[3]	1,207	[3]
Trouble debt restructurings, pre-modification outstanding recorded investment	48,926	[1],[3]	195,497	[1],[3]
Trouble debt restructurings, post-modification outstanding recorded investment	50,036	[2],[3]	192,365	[2],[3]
Trouble debt restructurings, subsequent default, number of contracts	16		23
Trouble debt restructurings, subsequent default, recorded investment	3,416	[4],[5]	3,430	[4],[6]
Self-originated Home Equity [Member]	'		'
Financing Receivable, Modifications [Line Items]	'		'
Trouble debt restructurings, number of contracts	151		1,430
Trouble debt restructurings, pre-modification outstanding recorded investment	12,075	[1]	83,414	[1]
Trouble debt restructurings, post-modification outstanding recorded investment	12,089	[2]	64,754	[2]
Trouble debt restructurings, subsequent default, number of contracts	13		6
Trouble debt restructurings, subsequent default, recorded investment	1,011	[4],[5]	789	[4],[6]
Indirect Purchased [Member]	'		'
Financing Receivable, Modifications [Line Items]	'		'
Trouble debt restructurings, number of contracts	'		335
Trouble debt restructurings, pre-modification outstanding recorded investment	'		7,085	[1]
Trouble debt restructurings, post-modification outstanding recorded investment	'		3,078	[2]
Consumer [Member]	'		'
Financing Receivable, Modifications [Line Items]	'		'
Trouble debt restructurings, subsequent default, number of contracts	29		31
Trouble debt restructurings, subsequent default, recorded investment	4,427	[4],[5]	4,405	[4],[6]
Remaining Consumer [Member]	'		'
Financing Receivable, Modifications [Line Items]	'		'
Trouble debt restructurings, number of contracts	'		2,614
Trouble debt restructurings, pre-modification outstanding recorded investment	'		9,500	[1]
Trouble debt restructurings, post-modification outstanding recorded investment	'		3,169	[2]
Trouble debt restructurings, subsequent default, number of contracts	'		2
Trouble debt restructurings, subsequent default, recorded investment	'		186	[4],[6]
Performing [Member]	'		'
Financing Receivable, Modifications [Line Items]	'		'
Troubled debt restructurings	656,606		673,269
Nonperforming [Member]	'		'
Financing Receivable, Modifications [Line Items]	'		'
Troubled debt restructurings	$347,037		$418,070
[1]	Pre-modification outstanding recorded investment amount is the month-end balance prior to the month the modification occurred.
[2]	Post-modification outstanding recorded investment amount is the month-end balance for the month that the modification occurred.
[3]	The post-modification outstanding recorded investment amounts for home mortgages exclude interest reserves.
[4]	Do not include Chapter 7 Bankruptcy TDRs.
[5]	The recorded investment represents the period-end balance at December 31, 2013.
[6]	The recorded investment represents the period-end balance at December 31, 2012.

PREMISES_AND_EQUIPMENT_Details

PREMISES AND EQUIPMENT (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]	'	'	'
Total premises and equipment	$1,399,950,000	$1,222,854,000	'
Less accumulated depreciation	-584,155,000	-474,085,000	'
Total premises and equipment, net	815,795,000	748,769,000	'
Depreciation expense	154,800,000	106,300,000	91,000,000
Land [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Total premises and equipment	54,690,000	55,921,000	'
Office Buildings [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Total premises and equipment	206,551,000	196,505,000	'
Funiture, Fixtures and Equipment [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Total premises and equipment	167,350,000	126,979,000	'
Leasehold Improvements [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Total premises and equipment	345,754,000	321,335,000	'
Computer Software [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Total premises and equipment	625,069,000	520,908,000	'
Automobiles and Other [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Total premises and equipment	$536,000	$1,206,000	'

EQUITY_METHOD_INVESTMENTS_VARI2

EQUITY METHOD INVESTMENTS, VARIABLE INTEREST ENTITIES AND SECURITIZATIONS - Equity Method Investments (Details) (USD $)

12 Months Ended

12 Months Ended

0 Months Ended

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Jan. 22, 2014

SCUSA [Member]

SCUSA [Member]

Community reinvestment projects [Member]

Community reinvestment projects [Member]

Other [Member]

Other [Member]

Minimum [Member]

Maximum [Member]

SCUSA [Member]

SCUSA [Member]

SCUSA [Member]

Subsequent Event [Member]

Community reinvestment projects [Member]

Community reinvestment projects [Member]

SCUSA [Member]

Schedule of Equity Method Investments [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Equity method investments

$3,085,450,000

$2,834,469,000

'

$2,933,491,000

$2,668,994,000

$73,445,000

$101,663,000

$78,514,000

$63,812,000

'

'

'

'

$2,650,651,000

'

Income/(expense) from equity method investments

426,851,000

428,569,000

972,801,000

'

'

'

'

'

'

'

'

'

'

'

'

Equity method investment, ownership percentage

'

'

'

65.00%

'

'

'

'

'

2.00%

99.90%

'

'

'

'

Sale of stock, number of shares issued in transaction

'

'

'

'

'

'

'

'

'

'

'

'

'

'

13,895,243

Sale of stock, price per share

'

'

'

'

'

'

'

'

'

'

'

'

'

'

$23.04

Proceeds from issuance of common stock

'

'

'

'

'

'

'

'

'

'

'

'

'

'

320,100,000

Percentage of ownership after sale of stock

'

'

'

'

'

'

'

'

'

'

'

'

'

'

61.00%

Cost method investments

21,000,000

22,900,000

'

'

'

'

'

'

'

'

'

'

'

'

'

SCUSA declared and paid in dividends

'

'

'

'

'

'

'

'

'

'

'

290,400,000

735,000,000

'

'

Distributions from equity method investments, net

$182,113,000

$477,502,000

$0

'

'

'

'

'

'

'

'

$188,661,000

$477,502,000

'

'

EQUITY_METHOD_INVESTMENTS_VARI3

EQUITY METHOD INVESTMENTS, VARIABLE INTEREST ENTITIES AND SECURITIZATIONS - VIE and Asset Securitizations (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012
Variable Interest Entity [Line Items]	'		'
Maximum exposure, investment in equity	$73,445,000	[1]	$101,663,000	[1]
Maximum exposure, commitments	141,000		154,000
Total maximum exposure	73,586,000		101,817,000
Equity method investments	3,085,450,000		2,834,469,000
Aggregate amount of assets held by VIEs	'		754,700,000
Aggregate amount of liabilities held by VIEs	'		380,100,000
Low income housing partnerships [Member]	'		'
Variable Interest Entity [Line Items]	'		'
Maximum exposure, investment in equity	34,374,000	[1]	57,929,000	[1]
Maximum exposure, commitments	141,000		0
Total maximum exposure	34,515,000		57,929,000
New market partnerships [Member]	'		'
Variable Interest Entity [Line Items]	'		'
Maximum exposure, investment in equity	39,071,000	[1]	43,734,000	[1]
Maximum exposure, commitments	0		154,000
Total maximum exposure	39,071,000		43,888,000
Securitization entities [Member]	'		'
Variable Interest Entity [Line Items]	'		'
Receivable from securitizations	5,500,000		4,700,000
Securitization entities [Member] | Home Equity Line of Credit [Member]	'		'
Variable Interest Entity [Line Items]	'		'
Principal amount outstanding on loans securitized	41,500,000		48,100,000
Principal amount outstanding on loans securitized, greater than 90 days past due	15,300,000		14,700,000
Net credit losses on securitized loans	300,000		1,100,000
GTS EI Centro Equity Holdings, LLC [Member]	'		'
Variable Interest Entity [Line Items]	'		'
Equity method investments	$33,700,000		'
[1]	Amount represents the carrying value of the VIE's assets and liabilities on the Company's Consolidated Financial Statements which are classified within Equity method investments on the Consolidated Balance Sheet. This amount equals the carrying amount of the VIE's assets at each respective date.

GOODWILL_Goodwill_Details

GOODWILL - Goodwill (Details) (USD $)	3 Months Ended	9 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2013
Goodwill [Line Items]	'	'
Goodwill	$3,431,481	$3,431,481
Reallocation	0	0
Goodwill	3,431,481	3,431,481
Retail Banking [Member]	'	'
Goodwill [Line Items]	'	'
Goodwill	2,259,179	1,894,303
Reallocation	-364,876	-198,217
Goodwill	1,894,303	1,696,086
Auto Finance & Alliances [Member]	'	'
Goodwill [Line Items]	'	'
Reallocation	'	71,522
Goodwill	'	71,522
Investment Services [Member]	'	'
Goodwill [Line Items]	'	'
Reallocation	'	126,695
Goodwill	'	126,695
Real Estate & Commercial Banking [Member]	'	'
Goodwill [Line Items]	'	'
Goodwill	1,172,302	1,406,048
Reallocation	233,746	-242,894
Goodwill	1,406,048	1,163,154
Specialty and Government Finance [Member]	'	'
Goodwill [Line Items]	'	'
Reallocation	'	242,894
Goodwill	'	242,894
GBM & Large Corporate Banking [Member]	'	'
Goodwill [Line Items]	'	'
Goodwill	0	131,130
Reallocation	131,130	0
Goodwill	$131,130	$131,130

OTHER_ASSETS_Details

OTHER ASSETS (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]	'		'
OREO	$88,603		$65,962
Other repossessed assets	3,073		3,301
Prepaid expenses	141,593		239,732
Miscellaneous receivables	546,363		638,172
Derivative assets at fair value	222,491		379,128
MSRs, at fair value	141,787		92,512
Core deposit intangibles and other intangibles, net	34,614		61,949
Miscellaneous assets	30,584		34,743
Total other assets	$1,209,108	[1]	$1,515,499	[1]
[1]	Includes residential mortgage servicing rights ("MSRs") of $141.8 million and $92.5 million at December 31, 2013 and December 31, 2012, respectively, for which the Company has elected the fair value option.

OTHER_ASSETS_Activity_of_Resid

OTHER ASSETS - Activity of Residential MSRs (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Servicing Asset at Amortized Cost [Line Items]	'	'	'
Carrying value at end of period	$141,787	$92,512	'
Residential Mortgages [Member]	'	'	'
Servicing Asset at Amortized Cost [Line Items]	'	'	'
Gross carrying value at beginning of period	92,512	161,291	173,549
Write-off of reserves	0	-70,040	0
Mortgage servicing assets recognized	35,805	43,543	27,230
Principal reductions	-23,009	-36,568	0
Change in fair value due to valuation assumptions	36,479	-5,714	0
Amortization and permanent impairment	0	0	-39,488
Gross carrying value at end of period	141,787	92,512	161,291
Valuation allowance	0	0	-70,040
Carrying value at end of period	$141,787	$92,512	$91,251

OTHER_ASSETS_Narrative_Details

OTHER ASSETS - Narrative (Details) (USD $)

12 Months Ended

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2012

Dec. 31, 2011

Sep. 30, 2013

Jul. 31, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Residential Mortgages [Member]

Residential Mortgages [Member]

Residential Mortgages [Member]

Multi-family Loans [Member]

Multi-family Loans [Member]

Federal National Mortgage Association [Member]

Federal National Mortgage Association [Member]

Loans Receivable Sold with Recourse [Member]

Loans Receivable Sold with Recourse [Member]

Loans Receivable Sold with Recourse [Member]

Multi-family Loans [Member]

Multi-family Loans [Member]

Federal National Mortgage Association [Member]

Federal National Mortgage Association [Member]

Federal National Mortgage Association [Member]

Multi-family Loans [Member]

Multi-family Loans [Member]

Multi-family Loans [Member]

Servicing Assets at Fair Value [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

Principal balance of loans serviced for others

'

'

'

$14,500,000,000

$13,600,000,000

$13,700,000,000

'

'

'

'

$4,300,000,000

$7,500,000,000

$9,300,000,000

Residential servicing rights at fair value

'

'

'

141,787,000

92,512,000

'

'

'

'

'

'

'

'

Change in fair value due to valuation assumptions

'

'

'

36,479,000

-5,714,000

0

'

'

'

'

'

'

'

Impairment on the MSRs

'

'

'

'

'

42,500,000

'

'

'

'

'

'

'

Amortization of Mortgage Servicing Rights (MSRs)

'

'

'

'

'

'

500,000

4,300,000

'

'

'

'

'

Recoveries of servicing assets

'

'

'

'

'

'

100,000

4,800,000

'

'

'

'

'

Loans sold with recourse, repurchase amount

'

'

'

'

'

'

'

'

660,100,000

660,100,000

'

'

'

Bank servicing fees

45,400,000

51,300,000

51,200,000

'

'

'

'

'

'

'

'

'

'

Gain (loss) on sale of mortgage loans

$54,400,000

$48,300,000

$21,000,000

'

'

'

'

'

'

'

'

'

'

DEPOSITS_Details

DEPOSITS (Details) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Deposits [Abstract]	'		'		'
Interest-bearing demand deposits	$10,423,610,000		$9,358,233,000		'
Interest-bearing demand deposits, Percent of total deposits	21.10%		18.40%		'
Noninterest-bearing demand deposits	8,022,529,000		8,224,005,000		'
Noninterest-bearing demand deposits, Percent of total deposits	16.20%		16.20%		'
Savings	3,885,724,000		3,800,469,000		'
Savings, Percent of total deposits	7.80%		7.50%		'
Money market	19,050,473,000		16,738,442,000		'
Money market, Percent of total deposits	38.50%		33.00%		'
Certificates of deposit	8,139,070,000		12,668,889,000		'
Certificates of deposit, Percent of total deposits	16.40%		24.90%		'
Total Deposits	49,521,406,000	[1]	50,790,038,000	[1]	'
Total Deposits, Percent of total deposits	100.00%	[1]	100.00%	[1]	'
Foreign deposits	516,100,000		523,200,000		'
Interest Expense on Deposit Liabilities, Disclosures [Abstract]	'		'		'
Interest-bearing demand deposits	15,281,000		14,699,000		19,217,000
Savings	5,377,000		5,778,000		4,503,000
Money market	78,198,000		83,603,000		99,184,000
Certificates of deposit	112,664,000		133,939,000		125,807,000
Total Deposits	$211,520,000		$238,019,000		$248,711,000
[1]	Includes foreign deposits of $516.1 million and $523.2 million at December 31, 2013 and 2012, respectively.

DEPOSITS_Maturities_of_Certifi

DEPOSITS - Maturities of Certificates of Deposit (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Contractual Maturities, Time Deposits, $100,000 or More [Abstract]	'	'
Three months or less	$643,448	'
Over three through six months	611,655	'
Over six through twelve months	719,745	'
Over twelve months	812,784	'
Total	2,787,632	'
Time Deposits Maturities, after Next Twelve Months [Abstract]	'	'
2014	6,148,217	'
2015	572,893	'
2016	1,281,456	'
2017	82,897	'
2018	50,343	'
Thereafter	3,264	'
Total	$8,139,070	$12,668,889

DEPOSITS_Narrative_Details

DEPOSITS - Narrative (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Millions, unless otherwise specified
Financial Instruments Owned and Pledged as Collateral [Line Items]	'	'
Securities pledged as collateral, fair value	$3,600	$5,300
DD overdrafts reclassified to loans	66.5	38.2
Public Fund Deposits [Member]	'	'
Financial Instruments Owned and Pledged as Collateral [Line Items]	'	'
Securities pledged as collateral, fair value	$2,600	$2,000

BORROWINGS_AND_OTHER_DEBT_OBLI2

BORROWINGS AND OTHER DEBT OBLIGATIONS - Sovereign Bank (Details) (USD $)

0 Months Ended

1 Months Ended

3 Months Ended

12 Months Ended

0 Months Ended

1 Months Ended

0 Months Ended

Jun. 01, 2012

Jan. 31, 2012

Sep. 30, 2013

Mar. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Jun. 01, 2012

Aug. 31, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Aug. 21, 2000

Subordinated Term Loan, due February 2019 [Member]

Subordinated Term Loan, due February 2019 [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Santander Bank [Member]

Sovereign Real Estate Investment Trust [Member]

Overnight Federal Funds Purchased [Member]

Overnight Federal Funds Purchased [Member]

Securities Sold Under Repurchase Agreements [Member]

Securities Sold Under Repurchase Agreements [Member]

5.125% Subordinated Debentures, due March 2013 [Member]

5.125% Subordinated Debentures, due March 2013 [Member]

8.750% Subordinated Debentures due May 2018 [Member]

8.750% Subordinated Debentures due May 2018 [Member]

FHLB Advances, Maturing through August 2018 [Member]

FHLB Advances, Maturing through August 2018 [Member]

Subordinated Term Loan, due February 2019 [Member]

Subordinated Term Loan, due February 2019 [Member]

REIT Preferred, due May 2020 [Member]

REIT Preferred, due May 2020 [Member]

Subordinated Term Loan, due August 2022 [Member]

Subordinated Term Loan, due August 2022 [Member]

Series A Preferred Stock [Member]

Debt Instrument [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Repurchase amount of outstanding borrowings

'

'

'

'

$523,600,000

$481,300,000

$523,600,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Overnight federal funds purchased

'

'

'

'

'

'

'

'

'

'

'

'

0

[1]

340,000,000

[1]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Securities sold under repurchase agreements

'

'

'

'

'

'

'

'

'

'

'

'

'

'

0

[1],[2]

2,107,986,000

[1],[2]

'

'

'

'

'

'

'

'

'

'

'

'

'

Subordinated debentures

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

0

[2]

254,647,000

[2]

497,427,000

[2]

496,971,000

[2]

'

'

'

'

'

'

'

'

'

FHLB advances, maturing through August 2018

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

8,952,012,000

[3]

13,189,396,000

[3]

'

'

'

'

'

'

'

Subordinated term loans

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

150,273,000

[4]

156,350,000

[4]

'

'

35,491,000

[5]

0

[5]

'

REIT preferred, due May 2020

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

151,918,000

[6]

150,434,000

[6]

'

'

'

Total borrowings and other debt obligations

'

'

'

'

19,264,206,000

12,376,624,000

19,264,206,000

'

'

'

9,787,121,000

16,695,784,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Effective Rate

'

'

'

'

'

'

'

'

'

'

3.87%

2.59%

0.00%

[1]

0.17%

[1]

0.00%

[1],[2]

0.48%

[1],[2]

0.00%

[2]

5.14%

[2]

8.91%

[2]

8.80%

[2]

3.36%

[3]

2.55%

[3]

6.06%

[4]

6.39%

[4]

13.83%

[6]

13.95%

[6]

7.78%

[5]

0.00%

[5]

'

Federal Home Loan Bank advances terminated

'

500,000,000

2,000,000,000

40,000,000

290,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Loss on debt extinguishment

'

5,200,000

0

200,000

36,200,000

6,877,000

100,127,000

38,695,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Net proceeds from the issuance of preferred stock

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

140,000,000

Issuance of common stock, value

'

'

'

'

'

'

'

800,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

161,800,000

Preferred stock, dividend rate, percentage

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

12.00%

Face amount of debt issued

'

'

'

'

'

'

'

'

160,000,000

36,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Debt instruments term

'

'

'

'

'

'

'

'

'7 years

'9 years

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Repayments of Related Party Debt

154,900,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Total fees and costs incurred related to assumption of the Term Loan

'

'

'

'

'

'

'

'

$5,700,000

$3,300,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Stated rate

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

5.13%

'

8.75%

'

'

'

'

'

'

'

'

'

'

[1]

Overnight federal funds and securities sold under repurchase agreements are short-term in nature and due within one year.

[2]

The Bank has issued various subordinated notes. These debentures are non-callable fixed-rate notes that are due between March 2013 and May 2018. These notes are not subject to redemption prior to their maturity dates except in the case of the insolvency or liquidation of the Bank.

[3]

In January 2013, the Bank terminated $40.0 million of FHLB callable advances, and incurred costs of $0.2 million through loss on debt extinguishment. During the third quarter of 2013, the Bank terminated $2.0 billion of FHLB callable advances. No costs were incurred as a result of this termination. In January 2012, the Bank terminated $500.0 million of FHLB callable advances. As a consequence, the Bank incurred costs of $5.2 million through loss on debt extinguishment. During the fourth quarter of 2012, the Bank terminated $290.0 million of FHLB callable advances. As a consequence, the Company incurred costs of $36.2 million through loss on debt extinguishment. FHLB advances include the offsetting effect of the value of terminated fair value hedges.

[4]

On June 1, 2012, a subsidiary of the Bank executed a financing agreement with third-party lenders for a $160 million seven-year term loan due February 2, 2019 (the “Term Loan”). The subsidiary used the proceeds at closing to repay the outstanding balance under, and concurrently terminate, its existing $154.9 million loan with Santander. At closing, the existing debt had unamortized debt issuance costs which were recognized as a loss on debt extinguishment in the second quarter of 2012. Total fees and costs incurred related to the assumption of the Term Loan were $5.7 million, which are being deferred and capitalized.

[5]

In August 2013, a subsidiary of the Bank entered into a financing agreement with third party lenders for a $36.0 million 9-year term loan due August 15, 2022. The total fees and costs incurred related to the term loan were $3.3 million, which are being deferred and capitalized.

[6]

On August 21, 2000, the Bank received approximately $140 million of net proceeds from the issuance of $161.8 million of 12% Series A Noncumulative Preferred Interests in Sovereign Real Estate Investment Trust (“SREIT”), a subsidiary of the Bank, that holds primarily residential real estate loans. The preferred stock was issued at a discount, and is being amortized over the life of the preferred shares using the effective yield method. The preferred shares may be redeemed at any time on or after May 16, 2020 at the option of the Bank subject to the approval of the OCC. Under certain circumstances, the preferred shares are automatically exchangeable into preferred stock of the Bank. The offering was made exclusively to institutional investors. The proceeds of this offering were principally used to repay corporate debt.

BORROWINGS_AND_OTHER_DEBT_OBLI3

BORROWINGS AND OTHER DEBT OBLIGATIONS - Holding Company (Details) (USD $)

1 Months Ended

3 Months Ended

12 Months Ended

3 Months Ended

0 Months Ended

1 Months Ended

1 Months Ended

1 Months Ended

Jan. 31, 2012

Sep. 30, 2013

Mar. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Sep. 24, 2012

Dec. 31, 2013

Dec. 31, 2012

Apr. 30, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Mar. 31, 2010

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Oct. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Aug. 31, 2013

Mar. 31, 2010

Mar. 31, 2010

Holding Company [Member]

Holding Company [Member]

3.00% Senior Notes, due September 2015 [Member]

3.00% Senior Notes, due September 2015 [Member]

3.00% Senior Notes, due September 2015 [Member]

4.625% Senior Notes, due April 2016 [Member]

4.625% Senior Notes, due April 2016 [Member]

4.625% Senior Notes, due April 2016 [Member]

3.45% Senior Notes, due August 2018 [Member]

3.45% Senior Notes, due August 2018 [Member]

Subordinated Notes, due March 2020 [Member]

Subordinated Notes, due March 2020 [Member]

Subordinated Notes, due March 2020 [Member]

Junior Subordinated Debentures - Capital Trust IV, due March 2034 [Member]

Junior Subordinated Debentures - Capital Trust IV, due March 2034 [Member]

Common Securities - Capital Trust IV [Member]

Common Securities - Capital Trust IV [Member]

Junior Subordinated Debentures - Capital Trust VI, due June 2036 [Member]

Junior Subordinated Debentures - Capital Trust VI, due June 2036 [Member]

Junior Subordinated Debentures - Capital Trust VI, due June 2036 [Member]

Common Securities - Capital Trust VI [Member]

Common Securities - Capital Trust VI [Member]

Junior Subordinated Debentures - Capital Trust IX, due July 2036 [Member]

Junior Subordinated Debentures - Capital Trust IX, due July 2036 [Member]

Common Securities - Capital Trust IX [Member]

Common Securities - Capital Trust IX [Member]

Senior Notes due August 2018 [Member]

March 2010 to March 2015 [Member]

March 2015 to March 2020 [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Holding Company [Member]

Subordinated Notes, due March 2020 [Member]

Subordinated Notes, due March 2020 [Member]

Holding Company [Member]

Holding Company [Member]

Debt Instrument [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Senior notes

'

'

'

'

'

'

'

'

'

'

$598,965,000

[1]

$597,575,000

[1]

'

$474,306,000

[2]

$474,430,000

[2]

$499,148,000

[3]

$0

[3]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Subordinated notes, due March 2020

'

'

'

'

260,255,000

[4]

'

'

'

'

'

'

'

'

'

'

'

'

756,829,000

[5]

754,895,000

[5]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Subordinated debentures

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

611,000

[6]

476,603,000

[6]

'

'

'

70,262,000

[4],[6]

75,537,000

[4],[6]

'

'

150,000,000

[6]

150,000,000

[6]

'

'

'

'

'

Common securties

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

24,742,000

24,742,000

'

'

'

10,000,000

10,000,000

'

'

4,640,000

4,640,000

'

'

'

Total borrowings and other debt obligations

'

'

'

19,264,206,000

12,376,624,000

19,264,206,000

'

2,589,503,000

2,568,422,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Effective Rate

'

'

'

'

'

'

'

4.50%

6.23%

'

3.28%

[1]

3.28%

[1]

'

4.85%

[2]

4.85%

[2]

3.62%

[3]

0.00%

[3]

5.96%

[5]

5.96%

[5]

'

12.84%

[6]

12.84%

[6]

4.38%

4.38%

'

7.91%

[4],[6]

7.91%

[4],[6]

7.91%

7.91%

2.04%

[6]

2.09%

[6]

2.04%

2.09%

'

'

'

Face amount of debt issued

'

'

'

'

'

'

'

'

'

600,000,000

'

'

500,000,000

'

'

'

'

'

'

750,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

500,000,000

'

'

Stated rate

'

'

'

'

'

'

'

'

'

3.00%

3.00%

'

4.63%

4.63%

'

3.45%

'

'

'

'

4.38%

'

'

'

'

7.91%

'

'

'

'

'

'

'

'

5.75%

6.25%

Total fees and costs incurred related to assumption of the Term Loan

'

'

'

'

'

'

'

'

'

3,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

3,100,000

'

'

Junior subordinated debentures, aggregate liquidation amount

'

'

'

'

'

'

'

475,800,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Debt instruments term

'

'

'

'

'

'

'

'

'

'

'

'

'5 years

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Loss on debt extinguishment

5,200,000

0

200,000

36,200,000

6,877,000

100,127,000

38,695,000

6,100,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

10,100,000

'

'

'

'

'

'

'

'

'

'

'

Aggregate liquidation amount

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

164,000,000

'

'

'

'

'

'

'

'

'

'

'

Price per $1000 liquidation amount

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

1,050

'

'

'

'

'

'

'

'

'

'

'

Unit liquidation amount

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

$1,000

'

'

'

'

'

'

'

'

'

'

'

[1]

On September 24, 2012, SHUSA issued $600.0 million of 3.00% senior notes which mature on September 24, 2015. Deferred issuance costs totaled $3.0 million.

[2]

During April 2011, the Company issued $500.0 million in 5-year fixed-rate senior unsecured notes at a rate of 4.625%, which mature on April 19, 2016.

[3]

In August 2013, SHUSA issued debt securities in the amount of $500.0 million, due August 2018. The total fees and costs incurred related to this issuance were $3.1 million, which are being deferred and capitalized.

[4]

As part of the Company's liability cost management, it executed a fixed-priced cash tender offer of its Sovereign Capital Trust VI 7.908% Capital Securities. Securities with an aggregate liquidation amount totaling $164 million were validly tendered during October 2012 at a price of $1,050 per $1,000 liquidation amount. As a result, the Company incurred costs of $10.1 million, which were recognized as a loss on debt extinguishment in 2012.

[5]

In March 2010, the Company issued a $750 million subordinated note to Santander, which matures in March 2020. This subordinated note bears interest at 5.75% until March 2015 and then bears interest at 6.25% until maturity. These notes were subsequently converted to common stock in February 2014. See further discussion in Note 11 to the Consolidated Financial Statements.

[6]

The total balance of junior subordinated debentures due to Capital Trust entities at December 31, 2013 was $260.3 million. Included in this balance is the remaining amount outstanding of Trust Preferred Income Equity Redeemable Securities ("Trust PIERS").

BORROWINGS_AND_OTHER_DEBT_OBLI4

BORROWINGS AND OTHER DEBT OBLIGATIONS - Narrative and Maturities Schedule (Details) (USD $)	Dec. 31, 2013
In Thousands, unless otherwise specified
Long-term Debt, Fiscal Year Maturity [Abstract]	'
2014	$3,205,349
2015	3,449,829
2016	1,972,133
2017	499,276
2018	1,895,271
Thereafter	1,354,766
Total	$12,376,624

STOCKHOLDERS_EQUITY_Details

STOCKHOLDERS' EQUITY (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	15-May-06	Feb. 28, 2014
In Millions, except Share data, unless otherwise specified			Series C Preferred Stock [Member]	Subsequent Event [Member]
Class of Stock [Line Items]	'	'	'	'
Issuance of common stock, shares	'	'	8,000	'
Preferred stock, dividend rate, percentage	'	'	7.30%	'
Common stock, shares issued	520,307,043	520,307,043	'	10,000,000
Proceeds from issuance of common stock	'	'	'	$1,750
Debt conversion, original debt amount	'	'	'	$750
Common stock shares outstanding	'	'	'	530,307,043

ACCUMULATED_OTHER_COMPREHENSIV2

ACCUMULATED OTHER COMPREHENSIVE INCOME / (LOSS) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Net of Tax [Roll Forward]	'		'		'
Accumulated other comprehensive income (loss), cash flow hedge derivative financial instruments, beginning balance	($79,174)		($107,996)		($124,940)
Change in accumulated gains/(losses) on cash flow hedge derivative financial instruments, Pretax Activity	2,041		-40,085		-66,196
Change in accumulated gains/(losses) on cash flow hedge derivative financial instruments, Tax Effect	-655		15,955		25,514
Change in accumulated gains/(losses) on cash flow hedge derivative financial instruments, Net Activity	1,386		-24,130		-40,682
Reclassification adjustment for net losses on cash flow hedge derivative financial instruments, Pretax Activity	65,145	[1]	87,965	[1]	61,311	[1]
Reclassification adjustment for net losses on cash flow hedge derivative financial instruments, Tax Effect	-26,780	[1]	-35,013	[1]	-23,373	[1]
Reclassification adjustment for net losses on cash flow hedge derivative financial instruments, Net Activity	38,365	[1]	52,952	[1]	37,938	[1]
SCUSA Transaction, Pretax Activity	'		'		31,703
SCUSA Transaction, Tax Effect	'		'		-12,015
SCUSA Transaction, Net Activity	'		'		19,688
Net unrealized gains/(losses) on cash flow hedge derivative financial instruments, Pretax Activity	67,186		47,880		26,818
Net unrealized gains/(losses) on cash flow hedge derivative financial instruments, Tax Effect	-27,435		-19,058		-9,874
Net unrealized gains/(losses) on cash flow hedge derivative financial instruments, Net Activity	39,751		28,822		-2,744
Net unrealized gains/(losses) on cash flow hedge derivative financial instruments, Net Activity	'		'		16,944
Accumulated other comprehensive income (loss), cash flow hedge derivative financial instruments, ending balance	-39,423		-79,174		-107,996
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax [Roll Forward]	'		'		'
Accumulated other comprehensive income (loss), investment securities available-for-sale, beginning balance	160,224		87,753		-92,775
Change in unrealized gains/(losses) on investment securities available-for-sale, Pretax Activity	-584,681		217,556		231,531
Change in unrealized gains/(losses) on investment securities available-for-sale, Tax Effect	230,787		-82,413		-88,091
Change in unrealized gains/(losses) on investment securities available-for-sale, Net Activity	-353,894		135,143		143,440
Reclassification adjustment for net losses included in net income on non-OTTI securities, Pretax Activity	-73,084	[2]	'		'
Reclassification adjustment for net losses included in net income on non-OTTI securities, Tax Effect	28,848	[2]	'		'
Reclassification adjustment for net losses included in net income on non-OTTI securities, Net Activity	-44,236	[2]	'		'
Reclassification adjustment for net gains included in net income on OTTI securities, Pretax Activity	63,630	[3]	'		'
Reclassification adjustment for net gains included in net income on OTTI securities, Tax Effect	-25,116	[3]	'		'
Reclassification adjustment for net gains included in net income on OTTI securities, Net Activity	38,514	[3]	'		'
Reclassification adjustment for net losses included in net income on non-OTTI securities, Pretax Activity	-9,454		-100,891	[2]	74,597	[2]
Reclassification adjustment for net losses included in net income on non-OTTI securities, Tax Effect	3,732		38,219	[2]	-29,317	[2]
Reclassification adjustment for net losses included in net income on non-OTTI securities, Net Activity	-5,722		-62,672	[2]	45,280	[2]
SCUSA Transaction, Pretax Activity	'		'		-13,212
SCUSA Transaction, Tax Effect	'		'		5,020
SCUSA Transaction, Net Activity	'		'		-8,192
Net unrealized gains/(losses) on investment securities available-for-sale, Pretax Activity	-594,135		116,665		292,916
Net unrealized gains/(losses) on investment securities available-for-sale, Tax Effect	234,519		-44,194		-112,388
Net unrealized gains/(losses) on investment securities available-for-sale, Net Activity	-359,616		72,471		188,720
Net unrealized gains/(losses) on investment securities available-for-sale, Net Activity	'		'		180,528
Accumulated other comprehensive income (loss), investment securities available-for-sale, ending balance	-199,392		160,224		87,753
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax [Roll Forward]	'		'		'
Accumulated other comprehensive income (loss), pension and post-retirement actuarial gain/(loss), beginning balance	-26,716	[4]	-26,475	[4]	-16,475	[4]
Pension and post-retirement actuarial gain/(loss), Pretax Activity	18,566	[4]	-396	[4]	-16,473	[4]
Pension and post-retirement actuarial gain/(loss), Tax Effect	-7,403	[4]	155	[4]	6,473	[4]
Pension and post-retirement actuarial gain/(loss), Net Activity	11,163	[4]	-241	[4]	-10,000	[4]
Accumulated other comprehensive income (loss), pension and post-retirement actuarial gain/(loss), beginning balance	-15,553		-26,716	[4]	-26,475	[4]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]	'		'		'
Total accumulated other comprehensive income/(loss), beginning balance	54,334		-46,718		-234,190
Total other comprehensive income, Pretax Activity	-508,383		164,149		303,261
Total other comprehensive income, Tax Effect	199,681		-63,097		-115,789
Total other comprehensive income, Net Activity	-308,702		101,052		175,976
Total other comprehensive income, Net Activity	'		'		187,472
Total accumulated other comprehensive income/(loss), ending balance	($254,368)		$54,334		($46,718)
[1]	Net losses reclassified into Interest on borrowings and other debt obligations in the Consolidated Statement of Operations for settlements of interest rate swap contracts designated as cash flow hedges.
[2]	Net gains reclassified into Net gain on sale of investment security sales in the Consolidated Statement of Operations for the sale of available-for-sale securities.
[3]	Unrealized losses previously recognized in accumulated other comprehensive income on securities for which OTTI was recognized during the period. See further discussion in Note 3 to the Consolidated Financial Statements.
[4]	Included in the computation of net periodic pension costs.

DERIVATIVE_INSTRUMENTS_AND_HED2

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Derivative, Credit Risk Related Contingent Features [Abstract]	'	'
Fair value of derivatives with credit risk contingent feature associated with credit ratings	$33,700,000	'
Fair value of derivatives with credit risk contingent features	198,800,000	395,300,000
Collateral posted	203,900,000	454,800,000
Summary of Fair Value Hedge Activity [Abstract]	'	'
Deferred loss on discontinuation of fair value hedge	13,000,000	'
Amortization of deferred hedge losses	3,300,000	'
Summary of Cash Flow Hedge Activity [Abstract]	'	'
Cash flow hedge loss to be reclassified within next twelve months	18,900,000	'
Designated as Hedging Instrument [Member]	'	'
Summary of Derivative Instruments [Abstract]	'	'
Notional Amount	2,720,307,000	3,728,853,000
Asset, Total	5,876,000	10,976,000
Liability, Total	60,305,000	132,302,000
Weighted Average Receive Rate	0.27%	0.40%
Weighted Average Pay Rate	2.47%	2.36%
Weighted Average Life (Years)	'1 year 10 months 24 days	'2 years 1 month 6 days
Designated as Hedging Instrument [Member] | Fair Value [Member] | Cross Currency Swaps [Member]	'	'
Summary of Derivative Instruments [Abstract]	'	'
Notional Amount	19,995,000	79,765,000
Asset, Cross-currency swaps	1,073,000	10,452,000
Liability, Cross-currency swaps	1,924,000	11,458,000
Weighted Average Receive Rate	4.76%	3.42%
Weighted Average Pay Rate	4.75%	3.41%
Weighted Average Life (Years)	'2 years 1 month 9 days	'3 years 8 months 12 days
Designated as Hedging Instrument [Member] | Cash Flow [Member] | Pay Fixed - Receive Floating Interest Rate Swaps [Member]	'	'
Summary of Derivative Instruments [Abstract]	'	'
Notional Amount	2,700,312,000	3,649,088,000
Asset, Pay Fixed-receive floating interest rate swaps	4,803,000	524,000
Liability, Pay Fixed-receive floating interest rate swaps	58,381,000	120,844,000
Weighted Average Receive Rate	0.24%	0.34%
Weighted Average Pay Rate	2.46%	2.34%
Weighted Average Life (Years)	'1 year 10 months 20 days	'2 years
One Notch Downgrade [Member]	'	'
Derivative, Credit Risk Related Contingent Features [Abstract]	'	'
Additional collateral required	4,300,000	'
Two Notch Downgrade [Member]	'	'
Derivative, Credit Risk Related Contingent Features [Abstract]	'	'
Additional collateral required	$4,500,000	'

DERIVATIVE_INSTRUMENTS_AND_HED3

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Other Derivatives (Details) (Not Designated as Hedging Instrument [Member], USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Derivative Instruments Not Designated as Hedging Instruments [Abstract]	'	'
Notional	$14,748,036	$15,639,736
Asset derivatives, Fair value	251,009	397,765
Liability derivatives, Fair value	213,398	375,565
Foreign Exchange Contracts [Member]	'	'
Derivative Instruments Not Designated as Hedging Instruments [Abstract]	'	'
Notional	1,253,395	951,784
Asset derivatives, Fair value	11,631	9,998
Liability derivatives, Fair value	9,745	7,638
Other [Member]	'	'
Derivative Instruments Not Designated as Hedging Instruments [Abstract]	'	'
Notional	291,437	303,621
Asset derivatives, Fair value	4,764	5,227
Liability derivatives, Fair value	4,496	5,640
Mortgage Banking Derivatives [Member]	'	'
Derivative Instruments Not Designated as Hedging Instruments [Abstract]	'	'
Notional	490,395	2,515,137
Asset derivatives, Fair value	8,803	15,606
Liability derivatives, Fair value	488	4,387
Mortgage Banking Derivatives [Member] | Forward Commitments to Sell Loans [Member]	'	'
Derivative Instruments Not Designated as Hedging Instruments [Abstract]	'	'
Notional	169,608	1,392,892
Asset derivatives, Fair value	2,101	0
Liability derivatives, Fair value	0	3,364
Mortgage Banking Derivatives [Member] | Interest Rate Lock Commitments [Member]	'	'
Derivative Instruments Not Designated as Hedging Instruments [Abstract]	'	'
Notional	75,787	852,245
Asset derivatives, Fair value	547	15,402
Liability derivatives, Fair value	0	0
Mortgage Banking Derivatives [Member] | Mortgage Servicing [Member]	'	'
Derivative Instruments Not Designated as Hedging Instruments [Abstract]	'	'
Notional	245,000	270,000
Asset derivatives, Fair value	6,155	204
Liability derivatives, Fair value	488	1,023
Customer Related Derivatives [Member]	'	'
Derivative Instruments Not Designated as Hedging Instruments [Abstract]	'	'
Notional	12,712,809	11,869,194
Asset derivatives, Fair value	225,811	366,934
Liability derivatives, Fair value	198,669	357,900
Customer Related Derivatives [Member] | Swaps Receive Fixed [Member]	'	'
Derivative Instruments Not Designated as Hedging Instruments [Abstract]	'	'
Notional	5,665,350	5,405,619
Asset derivatives, Fair value	166,871	361,858
Liability derivatives, Fair value	28,561	128
Customer Related Derivatives [Member] | Swaps Pay Fixed [Member]	'	'
Derivative Instruments Not Designated as Hedging Instruments [Abstract]	'	'
Notional	5,661,555	5,464,567
Asset derivatives, Fair value	54,693	616
Liability derivatives, Fair value	166,473	353,830
Customer Related Derivatives [Member] | Other [Member]	'	'
Derivative Instruments Not Designated as Hedging Instruments [Abstract]	'	'
Notional	1,385,904	999,008
Asset derivatives, Fair value	4,247	4,460
Liability derivatives, Fair value	$3,635	$3,942

DERIVATIVE_INSTRUMENTS_AND_HED4

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Income Statement Effect (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net Interest Income [Member] | Cross Currency Swaps [Member] | Fair Value Hedges [Member]	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'
Increase (decrease) in earnings	'	$100	$29
Net Interest Income [Member] | Pay Fixed - Receive Floating Interest Rate Swaps [Member] | Cash Flow Hedges [Member]	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'
Increase (decrease) in earnings	-65,900	-81,000	-137,700
Net Interest Income [Member] | Other [Member]	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'
Increase (decrease) in earnings	3,100	-11,300	-38,700
Capital Markets Revenue [Member] | Cross Currency Swaps [Member] | Fair Value Hedges [Member]	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'
Increase (decrease) in earnings	1,700	-100	'
Capital Markets Revenue [Member] | Customer Related Derivatives [Member]	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'
Increase (decrease) in earnings	17,200	17,300	-21,300
Capital Markets Revenue [Member] | Foreign Exchange [Member]	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'
Increase (decrease) in earnings	-1,000	2,600	-7,300
Capital Markets Revenue [Member] | Other [Member]	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'
Increase (decrease) in earnings	700	1,200	-700
Mortgage Banking Revenue [Member] | Forward Commitments to Sell Loans [Member]	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'
Increase (decrease) in earnings	5,500	5,200	-12,100
Mortgage Banking Revenue [Member] | Interest Rate Lock Commitments [Member]	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'
Increase (decrease) in earnings	-14,900	8,100	6,600
Mortgage Banking Revenue [Member] | Mortgage Servicing Rights [Member]	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'
Increase (decrease) in earnings	6,500	-800	'
Other Non-interest Income [Member] | Other [Member]	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'
Increase (decrease) in earnings	'	$500	($1,400)

DERIVATIVE_INSTRUMENTS_AND_HED5

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Offsetting of Financial Assets (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Offsetting Assets [Line Items]	'		'
Gross Amounts of Recognized Assets	$255,495		$393,339
Gross Amounts Offset in the Consolidated Balance Sheet	34,394		29,613
Net Amounts of Assets Presented in the Consolidated Balance Sheet	221,101		363,726
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments	3,992		14,364
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received	47,706		1,410
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount	169,403		347,952
Total derivatives not subject to a master netting arrangement or similar arrangement	1,390	[1]	15,402	[1]
Gross Amounts of Recognized Assets, Total Derivatives Assets	256,885		408,741
Net Amounts of Assets Presented in the Consolidated Balance Sheet, Total Derivatives Assets	222,491		379,128
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount, Total Derivatives Assets	170,793		363,354
Gross Amounts of Recognized Assets, Reverse repurchase, securities borrowing, and similar arrangement	'		0
Gross Amounts Offset in the Consolidated Balance Sheet, Reverse repurchase, securities borrowing, and similar arrangement	'		0
Net Amounts of Assets Presented in the Consolidated Balance Sheet, Reverse repurchase, securities borrowing, and similar arrangement	'		0
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments, Reverse repurchase, securities borrowing, and similar arrangement	'		0
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received, Reverse repurchase, securities borrowing, and similar arrangement	'		0
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount, Reverse repurchase, securities borrowing, and similar arrangement	'		0
Gross Amounts of Recognized Assets, Total Financial Assets	256,885		408,741
Gross Amounts Offset in the Consolidated Balance Sheet, Total Financial Assets	34,394		29,613
Net Amounts of Assets Presented in the Consolidated Balance Sheet, Total Financial Assets	222,491		379,128
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments, Total Financial Assets	3,992		14,364
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received, Total Financial Assets	47,706		1,410
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount, Total Financial Assets	170,793		363,354
Other Derivative Activities [Member]	'		'
Offsetting Assets [Line Items]	'		'
Gross Amounts of Recognized Assets	249,619	[2]	382,363	[2]
Gross Amounts Offset in the Consolidated Balance Sheet	34,394	[2]	19,161	[2]
Net Amounts of Assets Presented in the Consolidated Balance Sheet	215,225	[2]	363,202	[2]
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments	3,992	[2]	14,364	[2]
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received	47,706	[2]	1,410	[2]
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount	163,527	[2]	347,428	[2]
Fair Value Hedges [Member]	'		'
Offsetting Assets [Line Items]	'		'
Gross Amounts of Recognized Assets	1,073		10,452
Gross Amounts Offset in the Consolidated Balance Sheet	0		10,452
Net Amounts of Assets Presented in the Consolidated Balance Sheet	1,073		0
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments	0		0
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received	0		0
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount	1,073		0
Cash Flow Hedges [Member]	'		'
Offsetting Assets [Line Items]	'		'
Gross Amounts of Recognized Assets	4,803		524
Gross Amounts Offset in the Consolidated Balance Sheet	0		0
Net Amounts of Assets Presented in the Consolidated Balance Sheet	4,803		524
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments	0		0
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received	0		0
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount	$4,803		$524
[1]	Includes mortgage banking derivatives
[2]	Includes customer-related and other derivatives

DERIVATIVE_INSTRUMENTS_AND_HED6

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Offsetting of Financial Liabilities (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012
In Thousands, unless otherwise specified
Offsetting Liabilities [Line Items]	'		'
Gross Amounts of Recognized Liabilities	$273,705		$504,503
Gross Amounts Offset in the Consolidated Balance Sheet	34,394		29,613
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet	239,311		474,890
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments	137,283		46,836
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Pledged	79,666		407,928
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount	22,362		20,126
Total derivatives not subject to a master netting arrangement or similar arrangement(2)	0	[1]	3,364	[1]
Gross Amounts of Recognized Liabilities, Total Derivatives Liabilities	273,705		507,867
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet, Total Derivatives Liabilities	239,311		478,254
Gross Amounts Not Offset in the Consolidated Balance Sheet, Total Derivatives Liabilities	22,362		23,490
Gross Amounts of Recognized Liabilities, Reverse repurchase, securities borrowing, and similar arrangement	'		2,107,986
Gross Amounts Offset in the Consolidated Balance Sheet, Reverse repurchase, securities borrowing, and similar arrangement	'		0
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet, Reverse repurchase, securities borrowing, and similar arrangement	'		2,107,986
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments, Reverse repurchase, securities borrowing, and similar arrangement	'		2,650,823
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Pledged, Reverse repurchase, securities borrowing, and similar arrangement	'		60,259
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount, Reverse repurchase, securities borrowing, and similar arrangement	'		-603,096
Gross Amounts of Recognized Liabilities, Total Financial Liabilities	273,705		2,615,853
Gross Amounts Offset in the Consolidated Balance Sheet, Total Financial Liabilities	34,394		29,613
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet, Total Financial Liabilities	239,311		2,586,240
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments, Total Financial Liabilities	137,283		2,697,659
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Pledged, Total Financial Liabilities	79,666		468,187
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount, Total Financial Liabilities	22,362		-579,606
Other Derivative Activities [Member]	'		'
Offsetting Liabilities [Line Items]	'		'
Gross Amounts of Recognized Liabilities	213,400	[2]	372,201	[2]
Gross Amounts Offset in the Consolidated Balance Sheet	34,394	[2]	19,155	[2]
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet	179,006	[2]	353,046	[2]
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments	102,402	[2]	35,473	[2]
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Pledged	37,538	[2]	296,700	[2]
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount	39,066	[2]	20,873	[2]
Fair Value Hedges [Member]	'		'
Offsetting Liabilities [Line Items]	'		'
Gross Amounts of Recognized Liabilities	1,924		11,458
Gross Amounts Offset in the Consolidated Balance Sheet	0		10,452
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet	1,924		1,006
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments	0		43
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Pledged	1,311		901
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount	613		62
Cash Flow Hedges [Member]	'		'
Offsetting Liabilities [Line Items]	'		'
Gross Amounts of Recognized Liabilities	58,381		120,844
Gross Amounts Offset in the Consolidated Balance Sheet	0		6
Net Amounts of Liabilities Presented in the Consolidated Balance Sheet	58,381		120,838
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments	34,881		11,320
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Pledged	40,817		110,327
Gross Amounts Not Offset in the Consolidated Balance Sheet, Net Amount	($17,317)		($809)
[1]	Includes mortgage banking derivatives
[2]	Includes customer-related and other derivatives

INCOME_TAXES_Components_of_Inc

INCOME TAXES - Components of Income Tax Provision (Benefit) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:	'	'	'
Foreign	$208	$107	$80
Federal	-79,281	12,806	269,797
State	5,099	12,145	141,056
Total current	-73,974	25,058	410,933
Deferred:	'	'	'
Federal	189,274	-125,681	453,456
State	45,000	-5,825	43,890
Total deferred	234,274	-131,506	497,346
Total income tax provision (benefit)	$160,300	($106,448)	$908,279

INCOME_TAXES_Effective_Income_

INCOME TAXES - Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Income Tax Disclosure [Abstract]	'		'		'
Federal income tax at statutory rate	35.00%		35.00%		35.00%
Increase/(decrease) in taxes resulting from:	'		'		'
Valuation allowance	-0.10%		-2.50%		0.30%
Tax-exempt income	-4.10%		-5.30%		-1.00%
Bank owned life insurance	-2.50%		-4.50%		-0.90%
State income taxes, net of federal tax benefit	4.80%		3.50%		5.20%
Investment tax credits	-2.10%	[1]	-19.80%	[1]	0.00%	[1]
Low income housing credits	-2.60%		-5.70%		-1.40%
Accelerated discount accretion	0.00%		0.00%		4.50%
Dividend from SCUSA	-7.10%		-31.20%		0.00%
Other	-1.00%		7.10%		0.30%
Effective tax rate	20.30%		-23.40%		42.00%
[1]	Investment tax credits in 2013 were the result of the Company's investment in a VIE. Investment tax credits in 2012 were the result of the Company's investment in direct financing lease transactions.

INCOME_TAXES_Deferred_Tax_Asse

INCOME TAXES - Deferred Tax Assets and Liabilities (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Deferred tax assets:	'	'
Allowance for loan losses	$328,184	$380,503
Unrealized loss on available-for-sale securities	129,170	0
Unrealized loss on derivatives	22,085	46,333
Net operating loss carry forwards	588,223	454,265
Non-solicitation payments	14,837	24,024
Employee benefits	70,345	66,380
General business credit carry forwards	260,996	243,373
Foreign tax credit carry forwards	60,688	60,688
Broker commissions paid on originated mortgage loans	25,766	26,882
Minimum tax credit carry forward	150,482	192,387
IRC Section 382 recognized built in losses	25,818	31,578
Recourse reserves	49,160	67,704
Deferred interest expense	82,453	207,189
Other	68,501	43,424
Total gross deferred tax assets	1,876,708	1,844,730
Valuation allowance	-94,601	-95,201
Total deferred tax assets	1,782,107	1,749,529
Deferred tax liabilities:	'	'
Purchase accounting adjustments	8,976	15,911
Deferred income	12,539	12,339
Originated mortgage servicing rights	45,228	24,505
Unrealized gain on available-for-sale portfolio	0	105,349
SCUSA Transaction deferred gain	471,762	368,716
Leasing transactions	207,384	156,343
Depreciation and amortization	285,158	258,697
Other	3,102	27,246
Total gross deferred tax liabilities	1,034,149	969,106
Net deferred tax asset	$747,958	$780,423

INCOME_TAXES_Unrecognized_Tax_

INCOME TAXES - Unrecognized Tax Benefits Rollforward (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]	'	'	'
Gross unrecognized tax benefits, beginning balance	$148,488	$127,228	$136,951
SCUSA Transaction	'	'	-5,998
Additions based on tax positions related to 2011	'	'	12,275
Additions for tax positions of prior years	936	26,280	4,178
Additions based on tax positions related to the current year	2,339	2,536	'
Reductions for tax positions of prior years	'	-356	-842
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations	'	-955	-3,784
Settlements	'	-6,245	-15,552
Gross unrecognized tax benefits, ending balance	151,763	148,488	127,228
Less: Federal, state and local income tax benefits	-14,324	'	'
Net unrecognized tax benefits that if recognized would impact the effective tax rate at end of period	137,439	'	'
Federal, State and Local Tax [Member]	'	'	'
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]	'	'	'
Gross unrecognized tax benefits, beginning balance	125,465	107,683	110,363
SCUSA Transaction	'	'	0
Additions based on tax positions related to 2011	'	'	12,275
Additions for tax positions of prior years	0	21,000	2,079
Additions based on tax positions related to the current year	2,339	2,536	'
Reductions for tax positions of prior years	'	-356	0
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations	'	-750	-3,343
Settlements	'	-4,648	-13,691
Gross unrecognized tax benefits, ending balance	127,804	125,465	107,683
Accrued Interest and Penalties [Member]	'	'	'
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]	'	'	'
Gross unrecognized tax benefits, beginning balance	23,023	19,545	26,588
SCUSA Transaction	'	'	-5,998
Additions based on tax positions related to 2011	'	'	0
Additions for tax positions of prior years	936	5,280	2,099
Additions based on tax positions related to the current year	0	0	'
Reductions for tax positions of prior years	'	0	-842
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations	'	-205	-441
Settlements	'	-1,597	-1,861
Gross unrecognized tax benefits, ending balance	$23,959	$23,023	$19,545

INCOME_TAXES_Narrative_Details

INCOME TAXES - Narrative (Details) (USD $)	12 Months Ended	60 Months Ended
	Dec. 31, 2013	Dec. 31, 2007	Dec. 31, 2012
Income Tax Examination [Line Items]	'	'	'
Valuation allowance	$94,601,000	'	$95,201,000
Deferred tax assets, federal net operating loss carry-forwards	531,900,000	'	'
Deferred tax assets, state net operating loss carry-forwards	56,300,000	'	'
Deferred tax assets, tax credit carryforwards	260,996,000	'	243,373,000
Foreign tax credit carry forwards	60,688,000	'	60,688,000
Deferred tax asset related to tax credit carry-forward more likely than not, will not be realized	12,500,000	'	'
Deferred tax liabilities permanently reinvested in a consolidated foreign entity	46,400,000	'	'
Bad debt reserves	112,100,000	'	'
Net unrecognized tax benefits that if recognized would impact the effective tax rate at end of period	137,439,000	'	'
Transaction amount related to lawsuit seeking refund of taxes paid	'	1,200,000,000	'
Disallowed interest expense and transaction costs deductions	'	74,600,000	'
Penalties and interest expense	'	92,500,000	'
Tax reserve	96,900,000	'	'
Reasonably possible decrease in reserve for uncertain tax positions	96,900,000	'	'
Reasonably possible increase in reserve for uncertain tax positions	296,000,000	'	'
income tax examination recharacterization of ordinary gains	95,600,000	'	'
Potential interest owed resulting from the recharacterization adjustment of ordinary losses to capital losses	11,100,000	'	'
Potential penalties owed resulting from the recharacterization adjustment of ordinary losses to capital losses	14,500,000	'	'
State and Local Jurisdiction [Member]	'	'	'
Income Tax Examination [Line Items]	'	'	'
Deferred tax asset related to net operating loss carry-forward more likely than not, will not be realized	8,900,000	'	'
Foreign [Member]	'	'	'
Income Tax Examination [Line Items]	'	'	'
Foreign income taxes paid	'	$264,000,000	'

STOCKBASED_COMPENSATION_Detail

STOCK-BASED COMPENSATION (Details) (USD $)	12 Months Ended
In Millions, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'
Award vesting period	'3 years	'	'
Total compensation cost not yet recognized, amount	$0.50	'	'
Total compensation cost not yet recognized, period for recognition	'6 months	'	'
Performance Shares [Member]	'	'	'
Shares	'	'	'
Total non-vested performance stock at beginning of period (in shares)	1,536,853	'	'
Santander performance shares granted (in shares)	0	'	'
Santander performance shares vested (in shares)	0	'	'
Non-vested shares forfeited (in shares)	-829,480	'	'
Total non-vested performance stock at end of period (in shares)	707,373	1,536,853	'
Weighted average grant date fair value	'	'	'
Total non-vested performance stock at beginning of period (in usd per share)	$8.65	'	'
Santander performance shares granted (in usd per share)	$0	$5.25	$11.99
Santander performance shares vested (in usd per share)	$0	'	'
Non-vested shares forfeited (in usd per share)	$11.54	'	'
Total non-vested performance stock at end of period (in usd per share)	$5.25	$8.65	'
Pre-tax compensation expense	$2.10	$3.10	$4.80

EMPLOYEE_BENEFIT_PLANS_Defined

EMPLOYEE BENEFIT PLANS - Defined Contribution Plans (Details) (USD $)	12 Months Ended
In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Defined Contribution Plans Disclosure [Line Items]	'	'	'
Period of time following completion of service to participate 401(k) plan	'30 days	'	'
Recognized expense for contributions to the 401(k) portion of the Retirement Plan	$15	$13.50	$12.60
3% of Compensation [Member]	'	'	'
Schedule of Defined Contribution Plans Disclosure [Line Items]	'	'	'
Employers matching contribution, percent of match	100.00%	'	'
3% to 5% of Compensation [Member]	'	'	'
Schedule of Defined Contribution Plans Disclosure [Line Items]	'	'	'
Employers matching contribution, percent of match	50.00%	'	'
100% Employer Match [Member]	'	'	'
Schedule of Defined Contribution Plans Disclosure [Line Items]	'	'	'
Employer matching contribution, percent	3.00%	'	'
50% Employer Match [Member] | Minimum [Member]	'	'	'
Schedule of Defined Contribution Plans Disclosure [Line Items]	'	'	'
Employer matching contribution, percent	3.00%	'	'
50% Employer Match [Member] | Maximum [Member]	'	'	'
Schedule of Defined Contribution Plans Disclosure [Line Items]	'	'	'
Employer matching contribution, percent	5.00%	'	'

EMPLOYEE_BENEFIT_PLANS_Defined1

EMPLOYEE BENEFIT PLANS - Defined Benefit Plans (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Defined Benefit Plan Disclosure [Line Items]	'	'		'		'
Unfunded status of plan	$49,200,000	$70,400,000		'		'
Unrecognized actuarial losses, net of tax	-15,553,000	-26,716,000	[1]	-26,475,000	[1]	-16,475,000	[1]
Components of net periodic pension expense:	'	'		'		'
Estimated future employer contributions to the plan in 2014	4,900,000	'		'		'
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation and Net Periodic Benefit Cost [Abstract]	'	'		'		'
Discount rate (in percent)	5.00%	4.00%		'		'
Expected long-term return on plan assets (in percent)	7.00%	7.00%		'		'
Salary increase rate (in percent)	0.00%	0.00%		'		'
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]	'	'		'		'
2014	5,061,179,000	'		'		'
2015	5,158,725,000	'		'		'
2016	5,187,358,000	'		'		'
2017	5,286,105,000	'		'		'
2018	5,443,568,000	'		'		'
2019-2023	28,287,619,000	'		'		'
Total	54,424,554,000	'		'		'
Unrecognized actuarial losses included in accumulated other comprehensive income	27,800,000	45,200,000		'		'
The actuarial loss included in accumulated other comprehensive income and expected to be recognized in net periodic pension cost in 2014	12,500,000	'		'		'
Equity Mutual Funds [Member]	'	'		'		'
Components of net periodic pension expense:	'	'		'		'
Actual plan asset allocations (in percent)	36.30%	'		'		'
Fixed Income Mutual Funds [Member]	'	'		'		'
Components of net periodic pension expense:	'	'		'		'
Actual plan asset allocations (in percent)	31.50%	'		'		'
Money Market Funds [Member]	'	'		'		'
Components of net periodic pension expense:	'	'		'		'
Actual plan asset allocations (in percent)	32.20%	'		'		'
Supplemental Executive Retirement Plan [Member]	'	'		'		'
Change in benefit obligation:	'	'		'		'
Projected benefit obligation at year end	24,600,000	26,300,000		'		'
Other Post-employment Plans [Member]	'	'		'		'
Change in benefit obligation:	'	'		'		'
Projected benefit obligation at year end	8,700,000	9,500,000		'		'
Pension Plan from Acquisition of Independence [Member]	'	'		'		'
Defined Benefit Plan Disclosure [Line Items]	'	'		'		'
Unfunded status of plan	15,900,000	34,600,000		'		'
Change in benefit obligation:	'	'		'		'
Benefit obligation at beginning of year	102,719,000	99,411,000		'		'
Service cost	302,000	287,000		'		'
Interest cost	3,989,000	4,136,000		'		'
Actuarial (loss)/gain	-12,928,000	4,087,000		'		'
Annuity payments	-5,020,000	-5,202,000		'		'
Projected benefit obligation at year end	89,062,000	102,719,000		'		'
Change in plan assets:	'	'		'		'
Fair value at beginning of year	68,079,000	61,641,000		'		'
Employer contributions	4,866,000	7,100,000		'		'
Actual return on plan assets	5,258,000	4,540,000		'		'
Annuity payments	-5,020,000	-5,202,000		'		'
Fair value at year end	73,183,000	68,079,000		'		'
Components of net periodic pension expense:	'	'		'		'
Service cost	302,000	287,000		'		'
Interest cost	3,989,000	4,136,000		'		'
Expected return on plan assets	-4,615,000	-4,469,000		'		'
Amortization of unrecognized actuarial loss	3,858,000	3,975,000		'		'
Net periodic pension expense	$3,534,000	$3,929,000		'		'
[1]	Included in the computation of net periodic pension costs.

FAIR_VALUE_Assets_Disclosure_D

FAIR VALUE - Assets Disclosure (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Restricted cash	$97,397	$488,455
Level 3 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Percentage of level 3 assets to total assets held at fair value	1.60%	'
Percentage of level 3 assets to total assets	0.30%	'
Recurring [Member] | Fair Value [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Assets	12,173,861	20,028,715
Recurring [Member] | Level 1 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Assets	9,841	5,216
Recurring [Member] | Level 2 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Assets	11,968,732	19,872,128
Recurring [Member] | Level 3 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Assets	$195,288	$151,371

FAIR_VALUE_Recurring_Fair_Valu

FAIR VALUE - Recurring Fair Value (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
In Thousands, unless otherwise specified
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	$11,646,240	$18,684,020	'
Loans held for sale	128,949	843,442	352,500
Derivative assets	222,491	379,128	'
Derivative liabilities	239,311	478,254	'
US Treasury and Government Agency Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	24,997	8,996	'
Debentures of FHLB, FNMA and FHLMC [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	'	1,150	'
Corporate Debt [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	2,218,180	2,705,706	'
Asset-backed Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	2,732,230	1,818,837	'
Equity Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	9,841	5,216	'
State and Municipal Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	1,850,149	2,060,292	'
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	9,841	5,216	'
Loans held for sale	0	0	'
Mortgage servicing rights	0	0	'
Derivative assets	0	0	'
Derivative liabilities	0	0	'
Significant Other Observable Inputs (Level 2) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	11,583,459	18,635,430	'
Loans held for sale	128,949	843,442	'
Mortgage servicing rights	0	0	'
Derivative assets	256,324	393,256	'
Derivative liabilities	273,306	507,104	'
Significant Unobservable Inputs (Level 3) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	52,940	43,374	'
Loans held for sale	0	0	'
Mortgage servicing rights	141,787	92,512	'
Derivative assets	561	15,485	'
Derivative liabilities	397	763	'
Total [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	11,646,240	18,684,020	'
Loans held for sale	128,949	843,442	'
Mortgage servicing rights	141,787	92,512	'
Derivative assets	256,885	408,741	'
Derivative liabilities	273,703	507,867	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	9,841	5,216	'
Loans held for sale	0	0	'
Mortgage servicing rights	0	0	'
Total financial assets	9,841	5,216	'
Total financial liabilities	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Mortgage Banking Interest Rate Lock Commitments [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Mortgage Banking Forward Sell Commitments [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	'	'
Derivative liabilities	'	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Customer Related [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	0	'
Derivative liabilities	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Foreign Exchange [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	0	'
Derivative liabilities	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Mortgage Servicing [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	'	'
Derivative liabilities	0	'	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Mortgage Servicing Rights [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	'	0	'
Derivative liabilities	'	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Total Return Swap [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative liabilities	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	0	'
Derivative liabilities	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	0	'
Derivative liabilities	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Cash Flow [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	0	'
Derivative liabilities	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | US Treasury and Government Agency Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Debentures of FHLB, FNMA and FHLMC [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	'	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Corporate Debt [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Asset-backed Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	9,841	5,216	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | State and Municipal Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	0	0	'
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Mortgage Backed Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	0	0	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	11,583,459	18,635,430	'
Loans held for sale	128,949	843,442	'
Mortgage servicing rights	0	0	'
Total financial assets	11,968,732	19,872,128	'
Total financial liabilities	273,306	507,104	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mortgage Banking Interest Rate Lock Commitments [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	0	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mortgage Banking Forward Sell Commitments [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	2,101	'	'
Derivative liabilities	'	3,364	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Customer Related [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	225,811	366,934	'
Derivative liabilities	198,669	357,900	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Foreign Exchange [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	11,631	9,998	'
Derivative liabilities	9,745	7,638	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mortgage Servicing [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	6,155	'	'
Derivative liabilities	488	'	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mortgage Servicing Rights [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	'	204	'
Derivative liabilities	'	1,023	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Total Return Swap [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative liabilities	0	0	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Other [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	4,750	5,144	'
Derivative liabilities	4,099	4,877	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fair Value [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	1,073	10,452	'
Derivative liabilities	1,924	11,458	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Cash Flow [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	4,803	524	'
Derivative liabilities	58,381	120,844	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | US Treasury and Government Agency Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	24,997	8,996	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Debentures of FHLB, FNMA and FHLMC [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	'	1,150	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Corporate Debt [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	2,218,180	2,705,706	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Asset-backed Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	2,679,290	1,775,463	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	0	0	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | State and Municipal Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	1,850,149	2,060,292	'
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mortgage Backed Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	4,810,843	12,083,823	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	52,940	43,374	'
Loans held for sale	0	0	'
Mortgage servicing rights	141,787	92,512	'
Total financial assets	195,288	151,371	'
Total financial liabilities	397	763	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Mortgage Banking Interest Rate Lock Commitments [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	547	15,402	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Mortgage Banking Forward Sell Commitments [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	'	'
Derivative liabilities	'	0	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Customer Related [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	0	'
Derivative liabilities	0	0	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Foreign Exchange [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	0	'
Derivative liabilities	0	0	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Mortgage Servicing [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	'	'
Derivative liabilities	0	'	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Mortgage Servicing Rights [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	'	0	'
Derivative liabilities	'	0	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Total Return Swap [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative liabilities	285	564	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Other [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	14	83	'
Derivative liabilities	112	199	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Fair Value [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	0	'
Derivative liabilities	0	0	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Cash Flow [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	0	0	'
Derivative liabilities	0	0	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | US Treasury and Government Agency Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	0	0	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Debentures of FHLB, FNMA and FHLMC [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	'	0	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Corporate Debt [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	0	0	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Asset-backed Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	52,940	43,374	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	0	0	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | State and Municipal Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	0	0	'
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Mortgage Backed Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	0	0	'
Recurring [Member] | Total [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	11,646,240	18,684,020	'
Loans held for sale	128,949	843,442	'
Mortgage servicing rights	141,787	92,512	'
Total financial assets	12,173,861	20,028,715	'
Total financial liabilities	273,703	507,867	'
Recurring [Member] | Total [Member] | Mortgage Banking Interest Rate Lock Commitments [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	547	15,402	'
Recurring [Member] | Total [Member] | Mortgage Banking Forward Sell Commitments [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	2,101	'	'
Derivative liabilities	'	3,364	'
Recurring [Member] | Total [Member] | Customer Related [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	225,811	366,934	'
Derivative liabilities	198,669	357,900	'
Recurring [Member] | Total [Member] | Foreign Exchange [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	11,631	9,998	'
Derivative liabilities	9,745	7,638	'
Recurring [Member] | Total [Member] | Mortgage Servicing [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	6,155	'	'
Derivative liabilities	488	'	'
Recurring [Member] | Total [Member] | Mortgage Servicing Rights [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	'	204	'
Derivative liabilities	'	1,023	'
Recurring [Member] | Total [Member] | Total Return Swap [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative liabilities	285	564	'
Recurring [Member] | Total [Member] | Other [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	4,764	5,227	'
Derivative liabilities	4,211	5,076	'
Recurring [Member] | Total [Member] | Fair Value [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	1,073	10,452	'
Derivative liabilities	1,924	11,458	'
Recurring [Member] | Total [Member] | Cash Flow [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Derivative assets	4,803	524	'
Derivative liabilities	58,381	120,844	'
Recurring [Member] | Total [Member] | US Treasury and Government Agency Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	24,997	8,996	'
Recurring [Member] | Total [Member] | Debentures of FHLB, FNMA and FHLMC [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	'	1,150	'
Recurring [Member] | Total [Member] | Corporate Debt [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	2,218,180	2,705,706	'
Recurring [Member] | Total [Member] | Asset-backed Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	2,732,230	1,818,837	'
Recurring [Member] | Total [Member] | Equity Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	9,841	5,216	'
Recurring [Member] | Total [Member] | State and Municipal Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	1,850,149	2,060,292	'
Recurring [Member] | Total [Member] | Mortgage Backed Securities [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Available-for-sale investment securities	$4,810,843	$12,083,823	'

FAIR_VALUE_Nonrecurring_Fair_V

FAIR VALUE - Non-recurring Fair Value (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Impaired financing receivable, recorded investment	$1,233,152	$1,390,207	'
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Loans held for investment	0	0	'
Significant Other Observable Inputs (Level 2) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Loans held for investment	149,796	506,637	'
Significant Unobservable Inputs (Level 3) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Loans held for investment	49,158,092	50,176,136	'
Fair Value [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Loans held for investment	49,307,888	50,682,773	'
Nonrecurring [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Fair value adjustment	-34,544	63,631	112,871
Impaired financing receivable, recorded investment	209,100	485,600	'
Nonrecurring [Member] | Impaired Loans Held for Investment [Member] | Provision for Credit Losses [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Fair value adjustment	-29,103	69,446	165,317
Nonrecurring [Member] | Foreclosed Assets [Member] | Other Administrative Expense [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Fair value adjustment	-5,441	-5,903	-14,657
Nonrecurring [Member] | Mortgage Servicing Rights [Member] | Mortgage Banking Income [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Fair value adjustment	0	88	-37,789
Nonrecurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Loans held for investment	0	0	'
Foreclosed assets	0	0	'
Nonrecurring [Member] | Significant Other Observable Inputs (Level 2) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Loans held for investment	149,796	506,637	'
Foreclosed assets	57,431	39,904	'
Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Loans held for investment	137,356	40,674	'
Foreclosed assets	0	0	'
Nonrecurring [Member] | Fair Value [Member]	'	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'	'
Loans held for investment	287,152	547,311	'
Foreclosed assets	$57,431	$39,904	'

FAIR_VALUE_Reconciliation_of_A

FAIR VALUE - Reconciliation of Assets and Liabilities Using Level 3 Inputs (Details) (Recurring [Member], Level 3 [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Fair Value, Assets, Unobservable Input Reconciliation [Roll Forward]	'		'
Balance, beginning of period	$150,608		$145,144
Gains/(losses) in other comprehensive income	11,249		-7,183
(Gains) reclassified from OCI to earnings	'		-556
Gains/(losses) in earnings	21,532		-33,010
Purchases	'		431,166
Issuances	35,805		43,543
Sales	'		-78,875
Settlements	-24,303	[1]	2,709	[1]
Amortization	'		-523
Transfers into level 3	'		576,460
Transfers to level 2	'		-928,267
Balance, end of period	194,891		150,608
Changes in unrealized gains (losses) included in earnings related to balances still held at end of period	36,387		-41,089
Investments Available-for-Sale [Member]	'		'
Fair Value, Assets, Unobservable Input Reconciliation [Roll Forward]	'		'
Balance, beginning of period	43,374		52,315
Gains/(losses) in other comprehensive income	11,249		-7,183
(Gains) reclassified from OCI to earnings	'		-556
Gains/(losses) in earnings	0		0
Purchases	'		431,166
Issuances	0		0
Sales	'		-78,875
Settlements	-1,683	[1]	-1,686	[1]
Amortization	'		0
Transfers into level 3	'		576,460
Transfers to level 2	'		-928,267
Balance, end of period	52,940		43,374
Changes in unrealized gains (losses) included in earnings related to balances still held at end of period	0		0
Mortgage Servicing Rights [Member]	'		'
Fair Value, Assets, Unobservable Input Reconciliation [Roll Forward]	'		'
Balance, beginning of period	92,512		91,686
Gains/(losses) in other comprehensive income	0		0
(Gains) reclassified from OCI to earnings	'		0
Gains/(losses) in earnings	36,479		-42,194
Purchases	'		0
Issuances	35,805		43,543
Sales	'		0
Settlements	-23,009	[1]	0	[1]
Amortization	'		-523
Transfers into level 3	'		0
Transfers to level 2	'		0
Balance, end of period	141,787		92,512
Changes in unrealized gains (losses) included in earnings related to balances still held at end of period	36,479		-42,194
Derivatives [Member]	'		'
Fair Value, Assets, Unobservable Input Reconciliation [Roll Forward]	'		'
Balance, beginning of period	14,722		1,143
Gains/(losses) in other comprehensive income	0		0
(Gains) reclassified from OCI to earnings	'		0
Gains/(losses) in earnings	-14,947		9,184
Purchases	'		0
Issuances	0		0
Sales	'		0
Settlements	389	[1]	4,395	[1]
Amortization	'		0
Transfers into level 3	'		0
Transfers to level 2	'		0
Balance, end of period	164		14,722
Changes in unrealized gains (losses) included in earnings related to balances still held at end of period	($92)		$1,105
[1]	Settlements include prepayments, pay-downs and maturities.

FAIR_VALUE_Sensitivity_Analysi

FAIR VALUE - Sensitivity Analysis of Fair Value, Mortgage Servicing Rights (Details) (Mortgage Servicing Rights [Member], USD $)	Dec. 31, 2013
In Millions, unless otherwise specified
Mortgage Servicing Rights [Member]	'
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]	'
Sensitivity analysis of fair value, impact of 10 percent adverse change in prepayment speed	($4.90)
Sensitivity analysis of fair value, impact of 20 percent adverse change in prepayment speed	-9.4
Sensitivity analysis of fair value, impact of 10 percent adverse change in discount rate	-5.6
Sensitivity analysis of fair value, impact of 20 percent adverse change in discount rate	($10.70)

FAIR_VALUE_Quantitative_Inform

FAIR VALUE - Quantitative Information (Details) (USD $)

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2013

In Thousands, unless otherwise specified

Level 3 [Member]

Level 3 [Member]

Recurring [Member]

Recurring [Member]

Recurring [Member]

Recurring [Member]

Recurring [Member]

Recurring [Member]

Recurring [Member]

Recurring [Member]

Level 3 [Member]

Level 3 [Member]

Level 3 [Member]

Level 3 [Member]

Level 3 [Member]

Level 3 [Member]

Level 3 [Member]

Level 3 [Member]

Asset-backed Securities [Member]

Asset-backed Securities [Member]

Mortgage Servicing Rights [Member]

Mortgage Servicing Rights [Member]

Mortgage Servicing Rights [Member]

Mortgage Servicing Rights [Member]

Consensus Pricing [Member]

Sale-leaseback Securities [Member]

Discounted Cash Flow [Member]

Discounted Cash Flow [Member]

Discounted Cash Flow [Member]

Discounted Cash Flow [Member]

Consensus Pricing [Member]

Minimum [Member]

Maximum [Member]

Weighted Average [Member]

Weighted Average [Member]

Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Available-for-sale investment securities

$11,646,240

$18,684,020

$52,940

$43,374

$52,940

$43,374

$52,940

'

'

'

'

'

Asset value, measurement with unobservable inputs reconciliation

'

'

$141,787

$92,512

$141,787

$92,512

'

'

$141,787

'

'

'

Fair Value Inputs [Abstract]

'

'

'

'

'

'

'

'

'

'

'

'

Offered quotes

'

'

'

'

'

'

'

134.13%

[1],[2]

'

'

'

'

Prepayment rate (CPR)

'

'

'

'

'

'

'

'

'

0.37%

[3]

42.71%

[3]

8.25%

[3]

Discount rate

'

'

'

'

'

'

'

'

9.55%

[4]

'

'

'

[1]

Consensus pricing refers to fair value estimates that are generally developed using information such as dealer quotes or other third-party valuations or comparable asset prices.

[2]

Based on the nature of the input, a range or weighted average does not exist. For sale-leaseback securities, the Company owns one security.

[3]

Average CPR projected from collateral stratified by loan type, note rate and maturity.

[4]

Based on the nature of the input, a range or weighted average does not exist.

FAIR_VALUE_Fair_Value_of_Finan

FAIR VALUE - Fair Value of Financial Instruments (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
In Thousands, unless otherwise specified
Financial assets:	'	'	'
Available-for-sale investment securities	$11,646,240	$18,684,020	'
Loans held for sale	128,949	843,442	352,500
Derivatives	222,491	379,128	'
Financial liabilities:	'	'	'
Derivatives	239,311	478,254	'
Carrying Value [Member]	'	'	'
Financial assets:	'	'	'
Cash and amounts due from depository institutions	4,226,947	2,220,811	'
Available-for-sale investment securities	11,646,240	18,684,020	'
Debentures of FHLB, FNMA and FHLMC	19,862	19,672	'
Loans held for investment, net	49,087,340	51,375,442	'
Loans held for sale	128,949	843,442	'
Restricted Cash	97,397	488,455	'
Mortgage servicing rights	141,787	92,512	'
Derivatives	256,885	408,741	'
Financial liabilities:	'	'	'
Deposits	49,521,406	50,790,038	'
Borrowings and other debt obligations	12,376,624	19,264,206	'
Derivatives	273,703	507,867	'
Fair Value [Member]	'	'	'
Financial assets:	'	'	'
Cash and amounts due from depository institutions	4,226,947	2,220,811	'
Available-for-sale investment securities	11,646,240	18,684,020	'
Debentures of FHLB, FNMA and FHLMC	20,000	20,000	'
Loans held for investment, net	49,307,888	50,682,773	'
Loans held for sale	128,949	843,442	'
Restricted Cash	97,397	488,455	'
Mortgage servicing rights	141,787	92,512	'
Derivatives	256,885	408,741	'
Financial liabilities:	'	'	'
Deposits	49,609,846	50,931,010	'
Borrowings and other debt obligations	13,210,300	20,632,540	'
Derivatives	273,703	507,867	'
Level 1 [Member]	'	'	'
Financial assets:	'	'	'
Cash and amounts due from depository institutions	4,226,947	2,220,811	'
Available-for-sale investment securities	9,841	5,216	'
Debentures of FHLB, FNMA and FHLMC	0	0	'
Loans held for investment, net	0	0	'
Loans held for sale	0	0	'
Restricted Cash	97,397	488,455	'
Mortgage servicing rights	0	0	'
Derivatives	0	0	'
Financial liabilities:	'	'	'
Deposits	41,382,336	38,121,149	'
Borrowings and other debt obligations	0	0	'
Derivatives	0	0	'
Level 2 [Member]	'	'	'
Financial assets:	'	'	'
Cash and amounts due from depository institutions	0	0	'
Available-for-sale investment securities	11,583,459	18,635,430	'
Debentures of FHLB, FNMA and FHLMC	20,000	20,000	'
Loans held for investment, net	149,796	506,637	'
Loans held for sale	128,949	843,442	'
Restricted Cash	0	0	'
Mortgage servicing rights	0	0	'
Derivatives	256,324	393,256	'
Financial liabilities:	'	'	'
Deposits	8,227,510	12,809,861	'
Borrowings and other debt obligations	13,210,300	20,632,540	'
Derivatives	273,306	507,104	'
Level 3 [Member]	'	'	'
Financial assets:	'	'	'
Cash and amounts due from depository institutions	0	0	'
Available-for-sale investment securities	52,940	43,374	'
Debentures of FHLB, FNMA and FHLMC	0	0	'
Loans held for investment, net	49,158,092	50,176,136	'
Loans held for sale	0	0	'
Restricted Cash	0	0	'
Mortgage servicing rights	141,787	92,512	'
Derivatives	561	15,485	'
Financial liabilities:	'	'	'
Deposits	0	0	'
Borrowings and other debt obligations	0	0	'
Derivatives	$397	$763	'

FAIR_VALUE_Fair_Value_Option_D

FAIR VALUE - Fair Value Option Disclosures (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Option, Quantitative Disclosures [Line Items]	'	'	'
Loans held for sale, fair value	$128,949,000	$843,442,000	$352,500,000
Residential Mortgages [Member]	'	'	'
Fair Value, Option, Quantitative Disclosures [Line Items]	'	'	'
Mortgage servicing rights	141,787,000	92,512,000	'
Change in fair value gain (loss)	36,479,000	-5,714,000	0
Loans Held for Sale [Member]	'	'	'
Fair Value, Option, Quantitative Disclosures [Line Items]	'	'	'
Loans held for sale, contractual principal amount	128,900,000	818,400,000	340,000,000
Loans held for sale, difference in fair value and principal balance	$0	$25,100,000	$12,500,000

COMMITMENTS_AND_CONTINGENCIES_1

COMMITMENTS AND CONTINGENCIES - Off-Balance Sheet Risk and Guarantees (Details) (USD $)

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2010

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Sep. 30, 2013

Jul. 31, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Residential Mortgages [Member]

Residential Mortgages [Member]

Residential Mortgages [Member]

FNMA [Member]

FNMA [Member]

FNMA [Member]

Commitments to Extend Credit [Member]

Commitments to Extend Credit [Member]

Credit Card Line of Credit [Member]

Credit Card Line of Credit [Member]

Letter of Credit [Member]

Letter of Credit [Member]

Recourse and Credit Enhancement Exposure on Sold Loans

Recourse and Credit Enhancement Exposure on Sold Loans

Recourse and Credit Enhancement Exposure on Sold Loans

Recourse and Credit Enhancement Exposure on Sold Loans

Recourse and Credit Enhancement Exposure on Sold Loans

Recourse and Credit Enhancement Exposure on Sold Loans

Recourse and Credit Enhancement Exposure on Sold Loans

Commitments to Sell Loans [Member]

Commitments to Sell Loans [Member]

Multi-family Loans [Member]

Multi-family Loans [Member]

Multi-family Loans [Member]

Residential Mortgages [Member]

Residential Mortgages [Member]

FNMA [Member]

FNMA [Member]

FNMA [Member]

Multi-family Loans [Member]

Multi-family Loans [Member]

Multi-family Loans [Member]

Commitments [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

One year or less

'

'

'

'

'

'

'

'

'

'

$5,163,591,000

$7,146,080,000

'

'

$1,680,277,000

$1,808,744,000

'

'

'

'

'

'

'

'

'

Over 1 year to 3 years

'

'

'

'

'

'

'

'

'

'

5,716,759,000

4,615,613,000

'

'

333,769,000

481,867,000

'

'

'

'

'

'

'

'

'

Over 3 years to 5 years

'

'

'

'

'

'

'

'

'

'

6,457,992,000

7,972,885,000

'

'

96,558,000

147,931,000

'

'

'

'

'

'

'

'

'

Over 5 years

'

'

'

'

'

'

'

'

'

'

6,313,449,000

3,420,846,000

'

'

5,623,000

53,215,000

'

'

'

'

'

'

'

'

'

Total commitments

26,771,985,000

26,807,745,000

'

'

'

'

'

'

'

'

23,651,791,000

23,155,424,000

815,573,000

790,174,000

2,116,227,000

2,491,757,000

184,584,000

192,992,000

'

'

'

'

'

3,810,000

177,398,000

Commitments, weighted average term

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'9 months 21 days

'

'

'

'

'

'

'

'

'

'

Maximum exposure

'

'

'

'

'

'

'

'

'

'

'

'

'

'

2,100,000,000

'

'

'

'

'

159,000,000

160,000,000

'

'

'

Liquidation value of underlying collateral

'

'

'

'

'

'

'

'

'

'

'

'

'

'

500,000,000

'

'

'

'

'

'

'

'

'

'

Reserve for unfunded lending commitments

220,000,000

210,000,000

256,485,000

300,621,000

'

'

'

'

'

'

'

'

'

'

129,800,000

138,700,000

'

'

'

'

'

'

'

'

'

Line of credit outstanding

90,200,000

71,300,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Principal balance of loans serviced for others

'

'

'

'

14,500,000,000

13,600,000,000

13,700,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

4,300,000,000

7,500,000,000

9,300,000,000

'

'

Loans sold with recourse, portion of first credit loss position retained, percent

'

'

'

'

'

'

'

100.00%

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Retained credit risk, multifamily servicing

68,000,000

122,700,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Loans sold with recourse, repurchase amount

'

'

'

'

'

'

'

'

660,100,000

660,100,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Loans sold with recourse, unpaid principal balance

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

65,700,000

83,000,000

'

'

'

'

'

Loans sold with recourse, maximum exposure

'

'

'

'

25,600,000

29,900,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Collateral posted

$203,900,000

$454,800,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

$900,000

$900,000

'

'

'

'

'

'

'

COMMITMENTS_AND_CONTINGENCIES_2

COMMITMENTS AND CONTINGENCIES - Representation and Warranty Reserve (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Representation and Warranty Reserve [Roll Forward]	'	'
Beginning Balance	$50,662	$12,273
Provision	20,685	52,240
Recoveries	0	436
Charge-offs	-16,511	-14,287
Ending Balance	$54,836	$50,662

COMMITMENTS_AND_CONTINGENCIES_3

COMMITMENTS AND CONTINGENCIES - Restrictions on Cash and Amounts due from Depository Institutions (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]	'	'
Cash average reserve balances as established by Federal Reserve Board	$333,600,000	$273,800,000
Restricted cash	$97,397,000	$488,455,000

COMMITMENTS_AND_CONTINGENCIES_4

COMMITMENTS AND CONTINGENCIES - Litigation (Details) (USD $)	Dec. 31, 2013	Feb. 28, 2013	Jan. 24, 2013	Jan. 07, 2013	Dec. 31, 2013	Oct. 31, 2007	Jan. 07, 2013	Sep. 30, 2013	Dec. 31, 2012	Apr. 13, 2011
In Millions, unless otherwise specified		Mortgage_Servicer	Mortgage_Servicer	Mortgage_Servicer	General and Administrative Expense [Member]	Fabrikant & Sons Bankruptcy Adversary Proceeding [Member]	Foreclosure Matters [Member]	Foreclosure Matters [Member]	Foreclosure Matters [Member]	Foreclosure Matters [Member]
										Mortgage_Servicer
Loss Contingencies [Line Items]	'	'	'	'	'	'	'	'	'	'
Loss contingency, maximum possible loss	$50	'	'	'	'	'	'	'	'	'
Contracts receivable, claims and uncertain amounts	'	'	'	'	'	22	'	'	'	'
Liability for claims and claims adjustment expense	'	'	'	'	'	9.8	'	'	'	'
Consent order, number of mortgage servicers	'	'	'	'	'	'	'	'	'	14
Number of mortgage servicing companies	'	10	12	9	'	'	'	'	'	'
Amount pay into remediation fund	'	'	'	'	'	'	6.2	'	'	'
Litigation settlement, remediation fund engaging period	'	'	'	'	'	'	'2 years	'	'	'
Aggregate principal amount	'	'	'	'	'	'	9.9	74.1	'	'
Litigation settlement incurred by Sovereign as a percentage of total settlement amount	'	'	'	'	'	'	0.17%	'	'	'
Litigation settlement, gross	'	'	'	'	'	'	9,300	'	16.1	'
Expected fees to be returned to customers	'	'	'	'	30	'	'	'	'	'
Fees returned to customers	'	'	'	'	$11.50	'	'	'	'	'

COMMITMENTS_AND_CONTINGENCIES_5

COMMITMENTS AND CONTINGENCIES - Leases (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Lease Payments	'	'	'
2014	$106,471,000	'	'
2015	99,889,000	'	'
2016	89,858,000	'	'
2017	78,824,000	'	'
2018	61,712,000	'	'
Thereafter	209,545,000	'	'
Total	646,299,000	'	'
Future Minimum Expected Sublease Income	'	'	'
2014	-8,200,000	'	'
2015	-6,885,000	'	'
2016	-5,686,000	'	'
2017	-4,893,000	'	'
2018	-2,960,000	'	'
Thereafter	-6,601,000	'	'
Total	-35,225,000	'	'
Net Payments	'	'	'
2014	98,271,000	'	'
2015	93,004,000	'	'
2016	84,172,000	'	'
2017	73,931,000	'	'
2018	58,752,000	'	'
Thereafter	202,944,000	'	'
Total	611,074,000	'	'
Net rental expense	126,400,000	125,300,000	132,300,000
Sublease income	$11,900,000	$12,400,000	$13,700,000

REGULATORY_MATTERS_Details

REGULATORY MATTERS (Details) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]	'		'
Bank's total distributions within calendar year as percentage of net income during current and prior two years, minimum	100.00%		'
Returned capital	$179,000,000		$184,000,000
Santander Bank [Member]	'		'
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]	'		'
Tier 1 Leverage Capital Ratio - Regulatory capital	8,390,428,000		8,027,173,000
Tier 1 Risk Based Capital - Regulatory capital	8,390,428,000		8,027,173,000
Total Risk-Based Capital Ratio - Regulatory capital	9,550,558,000		9,310,905,000
Tier 1 Common Capital Ratio - Regulatory capital	8,390,428,000	[1]	8,027,173,000	[1]
Tier 1 Leverage Capital Ratio	12.09%		10.52%
Tier 1 Risk Based Capital Ratio	13.96%		12.86%
Total Risk-Based Capital Ratio	15.89%		14.92%
Tier 1 Common Capital Ratio	13.96%	[1]	12.86%	[1]
SHUSA [Member]	'		'
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]	'		'
Tier 1 Leverage Capital Ratio - Regulatory capital	9,210,100,000	[2],[3]	8,496,977,000	[2]
Tier 1 Risk Based Capital - Regulatory capital	9,210,100,000	[2],[3]	8,496,977,000	[2]
Total Risk-Based Capital Ratio - Regulatory capital	10,555,146,000	[2],[3]	10,116,806,000	[2]
Tier 1 Common Capital Ratio - Regulatory capital	$8,794,393,000	[1],[2],[3]	$8,075,995,000	[1],[2]
Tier 1 Leverage Capital Ratio	12.78%	[2],[3]	10.79%	[2]
Tier 1 Risk Based Capital Ratio	14.67%	[2],[3]	13.08%	[2]
Total Risk-Based Capital Ratio	16.81%	[2],[3]	15.57%	[2]
Tier 1 Common Capital Ratio	14.01%	[1],[2],[3]	12.43%	[1],[2]
[1]	Ratio presented due to regulators emphasizing the Tier 1 common capital ratio in their evaluation of bank and BHC capital levels, although this metric is not provided for in bank regulations. For all BHCs undergoing its Comprehensive Capital Analysis and Review, the Federal Reserve has established a 5% minimum Tier 1 common capital ratio under stress scenarios.
[2]	Ratios have been determined using SHUSA's current accounting method for SCUSA as an equity method investment.
[3]	The consolidation of SCUSA (as described in Note 6) will have an impact to SHUSA's regulatory capital ratios during the first quarter.

RELATED_PARTY_TRANSACTIONS_Det

RELATED PARTY TRANSACTIONS (Details) (USD $)

12 Months Ended

12 Months Ended

12 Months Ended

1 Months Ended

12 Months Ended

0 Months Ended

12 Months Ended

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Nov. 30, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Aug. 16, 2013

Dec. 31, 2013

Mar. 31, 2010

Mar. 31, 2010

Mar. 31, 2010

Santander, Affiliate [Member]

Santander, Affiliate [Member]

Executive Officer [Member]

Executive Officer [Member]

NW Services-Aquanima, Affiliate [Member]

NW Services-Aquanima, Affiliate [Member]

NW Services-Aquanima, Affiliate [Member]

Geoban, Affiliate [Member]

Geoban, Affiliate [Member]

Geoban, Affiliate [Member]

Ingenieria De Software Bancario, Affiliate [Member]

Ingenieria De Software Bancario, Affiliate [Member]

Ingenieria De Software Bancario, Affiliate [Member]

Produban Servicios Informaticos Generales, Affiliate [Member]

Produban Servicios Informaticos Generales, Affiliate [Member]

Produban Servicios Informaticos Generales, Affiliate [Member]

Santander Back-Offices, Affiliate [Member]

Santander Global Facilities, Affiliate [Member]

Santander Global Facilities, Affiliate [Member]

Santander Global Facilities, Affiliate [Member]

Santander Securities, Affilidate [Member]

Santander Securities, Affilidate [Member]

SCUSA [Member]

SCUSA [Member]

SCUSA [Member]

Consumer Fees [Member]

Consumer Fees [Member]

Agreement Between Santander and SHUSA [Member]

Agreement Between Santander and SHUSA [Member]

Agreement Between Santander and SHUSA [Member]

Agreement Between Santander and SHUSA [Member]

Agreement Between SHUSA and Abbey [Member]

Agreement Between SHUSA and Abbey [Member]

Agreement Between Santander and Bank [Member]

Agreement Between Santander and Bank [Member]

Agreement Between Santander and Bank [Member]

Purchase of Performing Dealer Loans [Member]

Subordinated Notes, due March 2020 [Member]

Subordinated Notes, due March 2020 [Member]

March 2010 to March 2015 [Member]

March 2015 to March 2020 [Member]

Santander Securities, Affilidate [Member]

Santander Securities, Affilidate [Member]

SCUSA [Member]

Parent Company [Member]

Parent Company [Member]

Subordinated Notes, due March 2020 [Member]

Subordinated Notes, due March 2020 [Member]

Parent Company [Member]

Parent Company [Member]

Related Party Transaction [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Common stock issued during period, shares

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

3,200,000

'

'

'

'

'

'

'

'

'

'

'

'

'

Proceeds from issuance of common stock

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

$800,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

Dividends, common stock

800,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

800,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

Face amount of debt issued

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

750,000,000

'

'

Stated rate

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

5.75%

6.25%

Interest paid to parent

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

43,100,000

'

'

'

Public securities, amount

'

2,000,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Percentage of SHUSA public securities owned by Santander

'

6.00%

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Derivative notional amount

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

2,700,000,000

3,800,000,000

'

3,900,000,000

2,400,000,000

'

'

'

'

'

'

'

'

Line of credit, average unfunded balance outstanding

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

34,800,000

330,700,000

'

'

'

'

'

'

Expenses from transactions with related party

'

'

2,500,000

900,000

'

'

3,300,000

3,700,000

3,400,000

15,700,000

17,200,000

15,300,000

125,800,000

137,100,000

113,700,000

93,900,000

101,300,000

82,600,000

400,000

11,600,000

11,000,000

10,800,000

200,000

3,300,000

10,800,000

27,200,000

39,800,000

'

'

'

'

'

'

'

'

300,000

2,500,000

10,500,000

'

'

'

'

'

Line of credit, maximum borrowing capacity

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

500,000,000

'

'

'

'

'

'

'

'

'

'

Due from related parties

'

'

'

'

9,600,000

6,500,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

3,700,000

3,900,000

39,000,000

59,200,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Accounts payable, related parties

'

'

'

'

'

'

'

'

'

700,000

2,300,000

'

31,400,000

27,900,000

'

1,200,000

5,300,000

'

'

'

'

'

'

'

3,000,000

4,500,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Revenue from related parties

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

49,500,000

8,300,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Purchases of performing dealer loans

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

$204,800,000

'

'

'

'

PARENT_COMPANY_FINANCIAL_INFOR2

PARENT COMPANY FINANCIAL INFORMATION (BALANCE SHEETS) (Details) (USD $)	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011	Dec. 31, 2010
In Thousands, unless otherwise specified
Assets	'		'		'	'
Cash and cash equivalents	$4,226,947		$2,220,811		$2,623,963	$1,705,895
Available-for-sale at fair value	11,646,240		18,684,020		'	'
Investment in subsidiaries:	'		'		'	'
Equity method investments	3,085,450		2,834,469		'	'
Other assets	1,209,108	[1]	1,515,499	[1]	'	'
TOTAL ASSETS	77,144,021		85,790,202		'	'
Liabilities and stockholder's equity	'		'		'	'
Borrowings and other debt obligations	12,376,624		19,264,206		'	'
Other liabilities	467,652		636,368		'	'
TOTAL LIABILITIES	63,599,038		72,548,200		'	'
Stockholder's equity	13,544,983		13,242,002		'	'
TOTAL LIABILITIES AND STOCKHOLDER’S EQUITY	77,144,021		85,790,202		'	'
Parent Company [Member]	'		'		'	'
Assets	'		'		'	'
Cash and cash equivalents	295,031		332,821		283,251	304,786
Available-for-sale at fair value	39,382		39,382		'	'
Loans to non-bank subsidiaries	0		0		'	'
Investment in subsidiaries:	'		'		'	'
Bank subsidiary	8,450,766		8,697,439		'	'
Non-bank subsidiaries	4,519,452		4,325,650		'	'
Equity method investments	2,961,938		2,701,426		'	'
Other assets	294,905		257,045		'	'
TOTAL ASSETS	16,561,474		16,353,763		'	'
Liabilities and stockholder's equity	'		'		'	'
Borrowings and other debt obligations	2,589,503		2,568,422		'	'
Borrowings from non-bank subsidiaries	138,495		137,600		'	'
Other liabilities	288,493		405,739		'	'
TOTAL LIABILITIES	3,016,491		3,111,761		'	'
Stockholder's equity	13,544,983		13,242,002		'	'
TOTAL LIABILITIES AND STOCKHOLDER’S EQUITY	$16,561,474		$16,353,763		'	'
[1]	Includes residential mortgage servicing rights ("MSRs") of $141.8 million and $92.5 million at December 31, 2013 and December 31, 2012, respectively, for which the Company has elected the fair value option.

PARENT_COMPANY_FINANCIAL_INFOR3

PARENT COMPANY FINANCIAL INFORMATION (STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Condensed Income Statements, Captions [Line Items]	'		'		'
Income/(expense) from equity method investments	$426,851		$428,569		$972,801
Interest expense	782,120		873,758		1,388,199
Other expense	104,538		484,884		517,937
Income tax provision/(benefit)	160,300		-106,448		908,279
Equity in undistributed earnings of:	'		'		'
NET INCOME	628,103		561,235		1,258,246
Other comprehensive income, net of tax:	'		'		'
Net unrealized gains/(losses) on cash flow hedge derivative financial instruments	39,751		28,822		-2,744
Net unrealized (losses)/gains recognized on investment securities	-359,616		72,471		188,720
Pension and post-retirement actuarial gain/(loss)	11,163	[1]	-241	[1]	-10,000	[1]
TOTAL OTHER COMPREHENSIVE INCOME/(LOSS)	-308,702		101,052		175,976
COMPREHENSIVE INCOME	319,401		662,287		1,434,222
Gain on SCUSA transaction	'		'		987,650
Equity method investments	3,085,450		2,834,469		'
Parent Company [Member]	'		'		'
Condensed Income Statements, Captions [Line Items]	'		'		'
Dividends from bank subsidiary	0		148,747		0
Dividends from non-bank subsidiaries	0		35,253		425,762
Interest income	3,365		2,749		3,676
Income/(expense) from equity method investments	449,357	[2]	444,326	[2]	982,913	[2]
Other income	2,009		2,018		677
Total income	454,731		633,093		1,413,028
Interest expense	161,812		162,659		148,937
Other expense	44,678		344,019		376,092
Total expense	206,490		506,678		525,029
Income before income taxes and equity in earnings of subsidiaries	248,241		126,415		887,999
Income tax provision/(benefit)	54,235		-177,105		307,412
Income before equity in earnings of subsidiaries	194,006		303,520		580,587
Equity in undistributed earnings of:	'		'		'
Bank subsidiary	344,994		203,735		316,934
Non-bank subsidiaries	89,103		53,980		360,725
NET INCOME	628,103		561,235		1,258,246
Other comprehensive income, net of tax:	'		'		'
Net unrealized gains/(losses) on cash flow hedge derivative financial instruments	39,751		28,822		-2,744
Net unrealized (losses)/gains recognized on investment securities	-359,616		72,471		188,720
Pension and post-retirement actuarial gain/(loss)	11,163		-241		-10,000
TOTAL OTHER COMPREHENSIVE INCOME/(LOSS)	-308,702		101,052		175,976
COMPREHENSIVE INCOME	319,401		662,287		1,434,222
Equity method investments	2,961,938		2,701,426		'
SCUSA [Member]	'		'		'
Other comprehensive income, net of tax:	'		'		'
Equity method investments	'		'		$2,650,651
[1]	Included in the computation of net periodic pension costs.
[2]	In the year ended December 31, 2011, a pre-tax gain of $987.7 million was recognized in Other income related to the SCUSA Transaction and an equity method investment of $2.65 billion was recognized in Other assets.

PARENT_COMPANY_FINANCIAL_INFOR4

PARENT COMPANY FINANCIAL INFORMATION (STATEMENT OF CASH FLOWS) (Details) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:	'		'		'
Net income	$628,103		$561,235		$1,258,246
Equity in undistributed earnings of:	'		'		'
Stock-based compensation	-1,820		-1,848		-279
Distributions from equity method investments, net	182,113		477,502		0
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,361,585		1,610,656		2,212,553
CASH FLOWS FROM INVESTING ACTIVITIES:	'		'		'
Cash paid related to the SCUSA Transaction	0	[1]	0	[1]	-64,409	[1]
NET CASH PROVIDED BY/(USED IN) INVESTING ACTIVITIES	9,025,778		-5,739,201		-7,768,692
CASH FLOWS FROM FINANCIAL ACTIVITIES:	'		'		'
Repayment of other debt obligations	-958,162		-2,468,411		-16,339,117
Net proceeds received from senior notes and senior credit facility	528,749		902,332		17,359,371
Dividends to preferred stockholders	-14,600		-14,600		-14,600
Dividends to non-controlling interest	0		0		-73,552
NET CASH PROVIDED BY/(USED IN) FINANCING ACTIVITIES	-8,381,227		3,725,393		6,474,207
NET CHANGE IN CASH AND CASH EQUIVALENTS	2,006,136		-403,152		918,068
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	2,220,811		2,623,963		1,705,895
CASH AND CASH EQUIVALENTS, END OF PERIOD	4,226,947		2,220,811		2,623,963
Parent Company [Member]	'		'		'
CASH FLOWS FROM OPERATING ACTIVITIES:	'		'		'
Net income	628,103		561,235		1,258,246
Equity in undistributed earnings of:	'		'		'
Bank subsidiary	-344,994		-203,735		-316,934
Non-bank subsidiaries	-89,103		-53,980		-360,725
Stock-based compensation	2,057		3,720		4,054
Remittance to Santander for stock based compensation	-3,877		-5,568		-4,333
Equity earnings from equity method investments	-449,357		-444,326		-987,650
Distributions from equity method investments, net	188,661		477,502		0
Net change in other assets and other liabilities	-152,575		-87,677		550,541
NET CASH PROVIDED BY OPERATING ACTIVITIES	-221,085		247,171		143,199
CASH FLOWS FROM INVESTING ACTIVITIES:	'		'		'
Net capital returned from/(contributed to) subsidiaries	178,266		-1,765		806,094
Net (increase)/decrease in loans to subsidiaries	0		2,000		8,000
Cash paid related to the SCUSA Transaction	0		0		-10,000
NET CASH PROVIDED BY/(USED IN) INVESTING ACTIVITIES	178,266		235		804,094
CASH FLOWS FROM FINANCIAL ACTIVITIES:	'		'		'
Repayment of other debt obligations	-481,267		-764,383		-463,740
Net proceeds received from senior notes and senior credit facility	500,000		598,242		500,000
Net change in commercial paper	0		-18,090		-951,502
Net change in borrowings	896		995		566
Dividends to preferred stockholders	-14,600		-14,600		-14,600
Dividends to non-controlling interest	0		0		-39,552
Net proceeds from the issuance of preferred stock	0		0		0
NET CASH PROVIDED BY/(USED IN) FINANCING ACTIVITIES	5,029		-197,836		-968,828
NET CHANGE IN CASH AND CASH EQUIVALENTS	-37,790		49,570		-21,535
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	332,821		283,251		304,786
CASH AND CASH EQUIVALENTS, END OF PERIOD	$295,031		$332,821		$283,251
[1]	Represents the cash paid as part of the SCUSA Transaction and the deconsolidation of SCUSA’s cash also related to the SCUSA Transaction.

BUSINESS_SEGMENT_INFORMATION_E

BUSINESS SEGMENT INFORMATION - Equity Method Investment, SCUSA (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Schedule of Equity Method Investments [Line Items]	'	'
Equity method investments	$3,085,450	$2,834,469
SCUSA [Member]	'	'
Schedule of Equity Method Investments [Line Items]	'	'
Ownership percentage	65.00%	'
Equity method investments	$2,933,491	$2,668,994

BUSINESS_SEGMENT_INFORMATION_S

BUSINESS SEGMENT INFORMATION - Segment Reporting Information (Details) (USD $)

12 Months Ended

3 Months Ended

12 Months Ended

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2011

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Residential Mortgages [Member]

Residential Mortgages [Member]

Operating Segments [Member]

Operating Segments [Member]

Operating Segments [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

SCUSA [Member]

SCUSA [Member]

SCUSA [Member]

SCUSA [Member]

SCUSA [Member]

SCUSA [Member]

Retail Banking [Member]

Retail Banking [Member]

Retail Banking [Member]

Retail Banking [Member]

Retail Banking [Member]

Retail Banking [Member]

Auto Finance & Alliances [Member]

Auto Finance & Alliances [Member]

Auto Finance & Alliances [Member]

Auto Finance & Alliances [Member]

Auto Finance & Alliances [Member]

Auto Finance & Alliances [Member]

Investment Services [Member]

Investment Services [Member]

Investment Services [Member]

Investment Services [Member]

Investment Services [Member]

Investment Services [Member]

Real Estate & Commercial Banking [Member]

Real Estate & Commercial Banking [Member]

Real Estate & Commercial Banking [Member]

Real Estate & Commercial Banking [Member]

Real Estate & Commercial Banking [Member]

Real Estate & Commercial Banking [Member]

Specialty & Government Banking [Member]

Specialty & Government Banking [Member]

Specialty & Government Banking [Member]

Specialty & Government Banking [Member]

Specialty & Government Banking [Member]

Specialty & Government Banking [Member]

GBM & Large Corporate Banking [Member]

GBM & Large Corporate Banking [Member]

GBM & Large Corporate Banking [Member]

GBM & Large Corporate Banking [Member]

GBM & Large Corporate Banking [Member]

GBM & Large Corporate Banking [Member]

Non-Strategic Assets [Member]

Non-Strategic Assets [Member]

Non-Strategic Assets [Member]

Non-Strategic Assets [Member]

Non-Strategic Assets [Member]

Non-Strategic Assets [Member]

Other [Member]

Other [Member]

Other [Member]

Other [Member]

Other [Member]

Other [Member]

Operating Segments [Member]

Operating Segments [Member]

Operating Segments [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Operating Segments [Member]

Operating Segments [Member]

Operating Segments [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Operating Segments [Member]

Operating Segments [Member]

Operating Segments [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Operating Segments [Member]

Operating Segments [Member]

Operating Segments [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Operating Segments [Member]

Operating Segments [Member]

Operating Segments [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Operating Segments [Member]

Operating Segments [Member]

Operating Segments [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Operating Segments [Member]

Operating Segments [Member]

Operating Segments [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Operating Segments [Member]

Operating Segments [Member]

Operating Segments [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Operating Segments [Member]

Operating Segments [Member]

Operating Segments [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Intersegment Eliminations [Member]

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

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'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Loans charged off, amount

'

'

'

$103,700,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Net interest income

1,513,771,000

1,674,123,000

3,864,814,000

'

'

1,513,771,000

1,674,123,000

3,864,814,000

'

'

'

0

0

2,185,315,000

'

'

'

759,103,000

716,252,000

[1]

726,718,000

'

'

'

17,849,000

15,238,000

18,633,000

'

'

'

5,000

3,000

4,000

'

'

'

401,097,000

408,188,000

330,887,000

'

'

'

93,492,000

90,854,000

78,009,000

'

'

'

164,790,000

136,989,000

88,021,000

'

'

'

26,338,000

40,798,000

55,643,000

'

'

'

51,097,000

[2]

265,801,000

[2]

381,584,000

[2],[3]

'

'

'

Total non-interest income

1,088,083,000

1,139,596,000

1,981,823,000

'

'

1,088,083,000

1,139,596,000

1,981,823,000

'

'

'

453,157,000

447,572,000

440,525,000

'

'

'

344,094,000

366,930,000

[1]

395,554,000

'

'

'

867,000

998,000

1,189,000

'

'

'

49,330,000

44,693,000

5,083,000

'

'

'

104,993,000

72,185,000

62,708,000

'

'

'

15,257,000

11,900,000

12,460,000

'

'

'

81,670,000

60,985,000

43,460,000

'

'

'

10,063,000

14,131,000

16,490,000

'

'

'

28,652,000

[2]

120,202,000

[2]

1,004,354,000

[2],[3]

'

'

'

Provision for credit losses

46,850,000

392,800,000

1,319,951,000

'

'

46,850,000

392,800,000

1,319,951,000

[4]

'

'

'

0

0

819,221,000

[4]

'

'

'

148,162,000

271,926,000

[1]

225,916,000

[4]

'

'

'

1,892,000

-537,000

1,103,000

[4]

'

'

'

0

0

0

[4]

'

'

'

-49,650,000

-7,776,000

175,458,000

[4]

'

'

'

2,453,000

-3,832,000

1,128,000

[4]

'

'

'

-893,000

14,983,000

24,151,000

[4]

'

'

'

-11,939,000

765,000

73,158,000

[4]

'

'

'

-43,175,000

[2]

117,271,000

[2]

-184,000

[2],[3],[4]

'

'

'

Total expenses

'

'

'

'

'

1,766,601,000

1,966,132,000

2,360,161,000

'

'

'

0

0

554,387,000

'

'

'

861,380,000

831,970,000

[1]

789,731,000

'

'

'

6,132,000

2,130,000

985,000

'

'

'

35,078,000

32,335,000

26,179,000

'

'

'

154,789,000

130,833,000

121,354,000

'

'

'

31,168,000

25,249,000

14,992,000

'

'

'

56,884,000

48,585,000

16,536,000

'

'

'

33,802,000

27,729,000

27,700,000

'

'

'

587,368,000

[2]

867,301,000

[2]

808,297,000

[2],[3]

'

'

'

Income/(loss) before income taxes

788,403,000

454,787,000

2,166,525,000

'

'

788,403,000

454,787,000

2,166,525,000

'

'

'

453,157,000

447,572,000

1,252,232,000

'

'

'

93,655,000

-20,714,000

[1]

106,625,000

'

'

'

10,692,000

14,643,000

17,734,000

'

'

'

14,257,000

12,361,000

-21,092,000

'

'

'

400,951,000

357,316,000

96,783,000

'

'

'

75,128,000

81,337,000

74,349,000

'

'

'

190,469,000

134,406,000

90,794,000

'

'

'

14,538,000

26,435,000

-28,725,000

'

'

'

-464,444,000

[2]

-598,569,000

[2]

577,825,000

[2],[3]

'

'

'

Intersegment (expense)/revenue

'

'

'

'

'

'

'

'

0

[5]

0

[5]

0

[5]

'

'

'

0

[5]

0

[5]

0

[5]

'

'

'

115,248,000

[5]

-21,292,000

[1],[5]

-47,371,000

[5]

'

'

'

-3,755,000

[5]

-6,906,000

[5]

-4,973,000

[5]

'

'

'

5,000

[5]

3,000

[5]

4,000

[5]

'

'

'

-381,907,000

[5]

-433,033,000

[5]

-556,961,000

[5]

'

'

'

-3,358,000

[5]

-377,000

[5]

-6,337,000

[5]

'

'

'

-48,247,000

[5]

-58,428,000

[5]

-19,382,000

[5]

'

'

'

-26,150,000

[5]

-53,291,000

[5]

-109,328,000

[5]

'

'

'

348,164,000

[2],[5]

573,324,000

[2],[5]

744,348,000

[2],[3],[5]

Total average assets

'

'

'

'

'

79,827,648,000

83,044,676,000

[6]

92,078,048,000

[6]

'

'

'

0

0

[6]

15,815,394,000

[6]

'

'

'

19,570,351,000

21,996,224,000

[1],[6]

21,941,330,000

[6]

'

'

'

772,851,000

836,082,000

[6]

755,114,000

[6]

'

'

'

1,455,000

127,000

[6]

24,000

[6]

'

'

'

20,060,250,000

19,720,608,000

[6]

19,594,169,000

[6]

'

'

'

2,760,241,000

2,204,482,000

[6]

1,954,356,000

[6]

'

'

'

8,150,883,000

7,529,074,000

[6]

4,843,020,000

[6]

'

'

'

878,976,000

1,491,259,000

[6]

2,545,113,000

[6]

'

'

'

27,632,641,000

[2]

29,266,820,000

[2],[6]

24,629,528,000

[2],[3],[6]

'

'

'

Impairment on the MSRs

'

'

'

'

42,500,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

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'

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'

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'

'

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'

'

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'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Gain on SCUSA transaction

'

'

$987,650,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

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'

'

'

'

'

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'

'

'

'

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'

'

'

'

'

'

'

'

'

'

[1]

Income/(loss) before income taxes reflects the impact of two main items, Chapter 7 bankruptcy loans described in Note 4 and GSE reserves that have been fully allocated to the Retail Banking reportable segment.

[2]

Other is not considered a segment and includes earnings from the investment portfolio, interest expense on the Bank’s borrowings and other debt obligations, amortization of intangible assets and certain unallocated corporate income and indirect expenses.

[3]

In 2011, fees and other income in the Other category included a $987.7 million gain related to the SCUSA Transaction.

[4]

In certain circumstances, specific valuation allowances ("SVAs") were permitted to be used instead of partial charge-offs by the OTS, the Company's former regulator. The OCC does not permit the establishment of SVAs. Accordingly, the Bank charged off $103.7 million of mortgage loans during the third quarter of 2011. These charge-offs did not have an impact on the results of operations for the segment or in consolidation.

[5]

Intersegment revenue/(expense) represents charges or credits for funds used or provided by each of the segments and are included in net interest income.

[6]

Average assets for Other in 2012 includes a full year of equity investment in SCUSA, while average assets in 2011 only included one day of the investment.