The Charles Schwab Corporation (SCHW) 10-Q 7 Nov 19 2019 Q3 Quarterly report Financial data

COVER PAGE

COVER PAGE - shares	9 Months Ended
	Sep. 30, 2019	Oct. 31, 2019
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Entity File Number	1-9700
Entity Registrant Name	SCHWAB CHARLES CORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-3025021
Entity Address, Address Line One	211 Main Street
Entity Address, City or Town	San Francisco
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94105
City Area Code	415
Local Phone Number	667-7000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		1,282,287,840
Entity Central Index Key	0000316709
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Common Stock [Member]
Entity Information [Line Items]
Title of 12(b) Security	Common Stock – $.01 par value per share
Trading Symbol	SCHW
Security Exchange Name	NYSE
Series C Preferred Stock [Member]
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shares, each representing a 1/40th ownership interest in a share of 6.00% Non-Cumulative Preferred Stock, Series C
Trading Symbol	SCHW PrC
Security Exchange Name	NYSE
Series D Preferred Stock [Member]
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shares, each representing a 1/40th ownership interest in a share of 5.95% Non-Cumulative Preferred Stock, Series D
Trading Symbol	SCHW PrD
Security Exchange Name	NYSE

Condensed Consolidated Statemen

Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net Revenues
Interest revenue		$ 1,892	$ 1,755	$ 5,817	$ 4,766
Interest expense		(261)	(228)	(896)	(569)
Net interest revenue		1,631	1,527	4,921	4,197
Other		83	67	297	235
Total net revenues		2,711	2,579	8,115	7,463
Expenses Excluding Interest
Compensation and benefits		857	737	2,514	2,252
Professional services		168	164	516	476
Occupancy and equipment		144	124	408	368
Advertising and market development		71	70	217	220
Communications		63	59	187	179
Depreciation and amortization		88	78	255	226
Regulatory fees and assessments		30	57	92	158
Other		54	71	190	232
Total expenses excluding interest		1,475	1,360	4,379	4,111
Income before taxes on income		1,236	1,219	3,736	3,352
Taxes on income		285	296	884	780
Net Income		951	923	2,852	2,572
Preferred stock dividends and other	[1]	38	38	127	128
Net Income Available to Common Stockholders		$ 913	$ 885	$ 2,725	$ 2,444
Weighted-Average Common Shares Outstanding:
Basic (shares)		1,300	1,351	1,320	1,349
Diluted (shares)	[2]	1,308	1,364	1,329	1,363
Earnings Per Common Shares Outstanding:
Basic (USD per share)		$ 0.70	$ 0.66	$ 2.06	$ 1.81
Diluted (USD per share)	[2]	$ 0.70	$ 0.65	$ 2.05	$ 1.79
Antidilutive stock options and restricted stock awards excluded from the calculation of diluted EPS (in shares)		17	11	18	12
Asset management and administration fees [Member]
Net Revenues
Asset management and administration fees and Trading revenue		$ 825	$ 809	$ 2,366	$ 2,474
Trading revenue [Member]
Net Revenues
Asset management and administration fees and Trading revenue		$ 172	$ 176	$ 531	$ 557
[1]	Includes preferred stock dividends and undistributed earnings and dividends allocated to non-vested restricted stock units.
[2]	Antidilutive stock options and restricted stock units excluded from the calculation of diluted EPS totaled 17 million and 11 million shares for the third quarters of 2019 and 2018 , respectively, and 18 million and 12 million shares for the first nine months of 2019 and 2018 , respectively.

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 951	$ 923	$ 2,852	$ 2,572
Change in net unrealized gain (loss) on available for sale securities:
Net unrealized gain (loss)	51	(43)	496	(184)
Other reclassifications included in other revenue	(1)	0	(5)	0
Amortization of amounts previously recorded upon transfer to held to maturity from available for sale	10	8	30	26
Other comprehensive income (loss), before tax	60	(35)	521	(158)
Income tax effect	(15)	9	(125)	39
Other comprehensive income (loss), net of tax	45	(26)	396	(119)
Comprehensive Income	$ 996	$ 897	$ 3,248	$ 2,453

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2019		Dec. 31, 2018
Assets
Cash and cash equivalents	$ 20,252	[1]	$ 27,938
Cash and investments segregated and on deposit for regulatory purposes (including resale agreements of $9,707 at September 30, 2019 and $7,195 at December 31, 2018)	16,164		13,563
Receivables from brokers, dealers, and clearing organizations	1,317		553
Receivables from brokerage clients — net	21,069		21,651
Other securities owned — at fair value	497		539
Available for sale securities	56,483		66,578
Held to maturity securities	140,194		144,009
Bank loans — net	16,895		16,609
Equipment, office facilities, and property — net	2,017		1,769
Goodwill	1,227		1,227
Other assets	2,872		2,046
Total assets	278,987		296,482
Liabilities and Stockholders’ Equity
Bank deposits	209,327		231,423
Payables to brokers, dealers, and clearing organizations	1,736		1,831
Payables to brokerage clients	35,622		32,726
Accrued expenses and other liabilities	3,521		2,954
Long-term debt	7,427		6,878
Total liabilities	257,633		275,812
Stockholders’ equity:
Preferred stock — $.01 par value per share; aggregate liquidation preference of $2,850	2,793		2,793
Common stock — 3 billion shares authorized; $.01 par value per share; 1,487,543,446 shares issued	15		15
Additional paid-in capital	4,640		4,499
Retained earnings	19,374		17,329
Treasury stock, at cost — 198,611,926 shares at September 30, 2019 and 155,116,695 shares at December 31, 2018	(5,612)		(3,714)
Accumulated other comprehensive income (loss)	144		(252)
Total stockholders’ equity	21,354		20,670
Total liabilities and stockholders’ equity	$ 278,987		$ 296,482
[1]	For more information on the nature of restrictions on restricted cash and cash equivalents, see Note 15.

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Cash and investments segregated and on deposit for regulatory purposes, resale agreements	$ 9,707	$ 7,195
Preferred stock, par value (USD per share)	$ 0.01	$ 0.01
Preferred stock, aggregate liquidation preference	$ 2,850	$ 2,850
Common stock, shares authorized (shares)	3,000,000,000	3,000,000,000
Common stock, par value (USD per share)	$ 0.01	$ 0.01
Common stock, shares issued (shares)	1,487,543,446	1,487,543,446
Treasury stock (shares)	198,611,926	155,116,695

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, at cost [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Increase (Decrease) in Stockholders' Equity
Adoption of accounting standards	$ 167				$ 200		$ (33)
Beginning balance at Dec. 31, 2017	18,525	$ 2,793	$ 15	$ 4,353	14,408	$ (2,892)	(152)
Beginning balance (shares) at Dec. 31, 2017			1,488
Increase (Decrease) in Stockholders' Equity
Net income	2,572				2,572
Other comprehensive income (loss), net of tax	(119)						(119)
Dividends declared on preferred stock	(117)				(117)
Dividends declared on common stock	(448)				(448)
Stock option exercises and other	108			(8)		116
Share-based compensation	106			106
Other	40			33		7
Ending balance (shares) at Sep. 30, 2018			1,488
Ending balance at Sep. 30, 2018	20,834	2,793	$ 15	4,484	16,615	(2,769)	(304)
Beginning balance at Jun. 30, 2018	20,097	2,793	$ 15	4,447	15,903	(2,783)	(278)
Beginning balance (shares) at Jun. 30, 2018			1,488
Increase (Decrease) in Stockholders' Equity
Net income	923				923
Other comprehensive income (loss), net of tax	(26)						(26)
Dividends declared on preferred stock	(34)				(34)
Dividends declared on common stock	(177)				(177)
Stock option exercises and other	9			0		9
Share-based compensation	28			28
Other	14			9		5
Ending balance (shares) at Sep. 30, 2018			1,488
Ending balance at Sep. 30, 2018	20,834	2,793	$ 15	4,484	16,615	(2,769)	(304)
Beginning balance at Dec. 31, 2018	20,670	2,793	$ 15	4,499	17,329	(3,714)	(252)
Beginning balance (shares) at Dec. 31, 2018			1,488
Increase (Decrease) in Stockholders' Equity
Net income	2,852				2,852
Other comprehensive income (loss), net of tax	396						396
Dividends declared on preferred stock	(115)				(115)
Dividends declared on common stock	(679)				(679)
Repurchase of common stock	(1,991)					(1,991)
Stock option exercises and other	65			(15)		80
Share-based compensation	121			121
Other	35			35	(13)	13
Ending balance (shares) at Sep. 30, 2019			1,488
Ending balance at Sep. 30, 2019	21,354	2,793	$ 15	4,640	19,374	(5,612)	144
Beginning balance at Jun. 30, 2019	21,320	2,793	$ 15	4,599	18,680	(4,866)	99
Beginning balance (shares) at Jun. 30, 2019			1,488
Increase (Decrease) in Stockholders' Equity
Net income	951				951
Other comprehensive income (loss), net of tax	45						45
Dividends declared on preferred stock	(34)				(34)
Dividends declared on common stock	(223)				(223)
Repurchase of common stock	(771)					(771)
Stock option exercises and other	17			(2)		19
Share-based compensation	33			33
Other	16			10	0	6
Ending balance (shares) at Sep. 30, 2019			1,488
Ending balance at Sep. 30, 2019	$ 21,354	$ 2,793	$ 15	$ 4,640	$ 19,374	$ (5,612)	$ 144

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Stockholders' Equity [Abstract]
Dividends declared on common stock (USD per share)	$ 0.17	$ 0.13	$ 0.51	$ 0.33

Condensed Consolidated Statem_5

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018
Cash Flows from Operating Activities
Net income		$ 2,852	$ 2,572
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Share-based compensation		131	113
Depreciation and amortization		255	226
Premium amortization, net, on available for sale and held to maturity securities		282	276
Other		127	108
Net change in:
Investments segregated and on deposit for regulatory purposes		(858)	6,973
Receivables from brokers, dealers, and clearing organizations		(756)	(147)
Receivables from brokerage clients		576	(1,858)
Other securities owned		42	39
Other assets		(28)	(143)
Payables to brokers, dealers, and clearing organizations		(95)	43
Payables to brokerage clients		2,896	(3,392)
Accrued expenses and other liabilities		(403)	(155)
Net cash provided by (used for) operating activities		5,021	4,655
Cash Flows from Investing Activities
Purchases of available for sale securities		(20,744)	(19,781)
Proceeds from sales of available for sale securities		21,710	115
Principal payments on available for sale securities		18,374	12,091
Purchases of held to maturity securities		(18,861)	(30,639)
Principal payments on held to maturity securities		13,653	12,382
Net change in bank loans		(338)	(86)
Purchases of equipment, office facilities, and property		(515)	(400)
Purchases of Federal Home Loan Bank stock		(2)	(156)
Proceeds from sales of Federal Home Loan Bank stock		0	528
Other investing activities		(18)	(74)
Net cash provided by (used for) investing activities		13,259	(26,020)
Cash Flows from Financing Activities
Net change in bank deposits	[1]	(22,096)	43,752
Net change in short-term borrowings		0	(15,000)
Issuance of long-term debt		593	1,936
Repayment of long-term debt		0	(906)
Dividends paid		(808)	(579)
Proceeds from stock options exercised		65	108
Repurchases of common stock		(1,964)	0
Other financing activities		(13)	(12)
Net cash provided by (used for) financing activities		(24,223)	29,299
Increase (Decrease) in Cash and Cash Equivalents, including Amounts Restricted		(5,943)	7,934
Cash and Cash Equivalents, including Amounts Restricted at Beginning of Year		38,227	19,160
Cash and Cash Equivalents, including Amounts Restricted at End of Period	[2]	32,284	27,094
Non-cash investing activity:
Securities purchased during the period but settled after period end		0	221
Non-cash financing activity:
Extinguishment of finance lease obligation through an assignment agreement		52	0
Common stock repurchased during the period but settled after period end		27	0
Cash paid during the period for:
Interest		922	550
Income taxes		907	649
Amounts included in the measurement of lease liabilities	[3]	99
Leased assets obtained in exchange for new operating lease liabilities	[3]	87
Transfers from other sweep features to bank sweep		$ 10,300	$ 67,800
[1]	Includes transfers from other sweep features to bank sweep of $10.3 billion and $ 67.8 billion for the nine months ended September 30, 2019 and 2018, respectively.
[2]	For more information on the nature of restrictions on restricted cash and cash equivalents, see Note 15.
[3]	These amounts are presented beginning in 2019 as part of the adoption of ASU 2016-02. See Notes 2 and 9 for additional information related to this adoption.

Condensed Consolidated Statem_6

Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions		Sep. 30, 2019	Sep. 30, 2018
Reconciliation of cash, cash equivalents and amounts reported within the balance sheet
Cash and cash equivalents	[1]	$ 20,252	$ 21,830
Restricted cash and cash equivalents amounts included in cash and investments segregated and on deposit for regulatory purposes	[1]	12,032	5,264
Total cash and cash equivalents, including amounts restricted shown in the statement of cash flows	[1]	$ 32,284	$ 27,094
[1]	For more information on the nature of restrictions on restricted cash and cash equivalents, see Note 15.

Introduction and Basis of Prese

Introduction and Basis of Presentation	9 Months Ended
	Sep. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Introduction and Basis of Presentation	Introduction and Basis of Presentation The Charles Schwab Corporation (CSC) is a savings and loan holding company and engages, through its subsidiaries, in wealth management, securities brokerage, banking, asset management, custody, and financial advisory services. Significant business subsidiaries of CSC include the following: • Charles Schwab & Co., Inc. (CS&Co), a securities broker-dealer; • Charles Schwab Bank (CSB), a federal savings bank; and • Charles Schwab Investment Management, Inc. (CSIM), the investment advisor for Schwab’s proprietary mutual funds (Schwab Funds ® ) and for Schwab’s exchange-traded funds (Schwab ETFs™). Unless otherwise indicated, the terms “Schwab,” “the Company,” “we,” “us,” or “our” mean CSC together with its consolidated subsidiaries. These unaudited condensed consolidated financial statements have been prepared in conformity with generally accepted accounting principles in the U.S. (GAAP), which require management to make certain estimates and assumptions that affect the reported amounts in the accompanying financial statements, and in the related disclosures. These estimates are based on information available as of the date of the condensed consolidated financial statements. While management makes its best judgment, actual amounts or results could differ from these estimates. In the opinion of management, all normal, recurring adjustments have been included for a fair statement of this interim financial information. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto, included in Schwab’s 2018 Form 10-K. The significant accounting policies are included in Note 2 in the 2018 Form 10-K. There have been no significant changes to these accounting policies during the first nine months of 2019 , except as described in Note 2 below.

New Accounting Standards

New Accounting Standards	9 Months Ended
	Sep. 30, 2019
Accounting Changes and Error Corrections [Abstract]
New Accounting Standards	New Accounting Standards Adoption of New Accounting Standards Standard Description Date of Adoption Effects on the Financial Statements or Other Significant Matters Accounting Standards Update (ASU) 2016-02, “Leases (Topic 842)” Amends the accounting for leases by lessees and lessors. The primary change from the new guidance is the recognition of right-of-use (ROU) assets and lease liabilities by lessees for those leases classified as operating leases. Additional changes include accounting for lease origination and executory costs, required lessee reassessments during the lease term due to changes in circumstances, and expanded lease disclosures. Adoption provides for modified retrospective transition as of the beginning of the earliest comparative period presented in the financial statements in which the entity first applies the new standard or, optionally, through another transition method by which a cumulative-effect adjustment is recorded to retained earnings as of the beginning of the period of adoption. Certain transition relief is permitted if elected by the entity. January 1, 2019 The Company adopted the new lease accounting guidance as of January 1, 2019 under the optional transition method provided electing not to recast its comparative periods. In addition, the Company elected the package of practical expedients permitted under the transition guidance within the new standard, which among other things, allowed the Company to carry forward the historical lease classification. The adoption resulted in a gross up of the consolidated balance sheet due to recognition of ROU assets and lease liabilities primarily related to the CS&Co leases of office space and branches. The amounts were based on the present value of our remaining operating lease payments. The Company’s ROU assets and related lease liabilities upon adoption were $596 million and $662 million, respectively. Further details on the impact of adoption are included below in this Note as well as in Note 9. ASU 2017-08, “Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities” Shortens the amortization period for the premium on certain callable debt securities to the earliest call date. The amendments are applicable to any purchased individual debt security with an explicit and noncontingent call feature with a fixed price on a preset date. ASU 2017-08 does not impact the accounting for callable debt securities held at a discount. Adoption requires modified retrospective transition as of the beginning of the period of adoption through a cumulative-effect adjustment to retained earnings. January 1, 2019 The Company adopted this guidance as of January 1, 2019 using the modified retrospective method. Adoption resulted in an immaterial cumulative-effect adjustment to retained earnings as of the date of adoption. ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities” This ASU amends hedge accounting guidance to better align hedge accounting with risk management activities, while reducing the complexity of applying and reporting on hedge accounting. In addition, for a closed pool of prepayable financial assets, entities will be able to hedge an amount that is not expected to be affected by prepayments, defaults and other events under the “last-of-layer” method. The guidance also permits a one-time reclassification of debt securities eligible to be hedged under the “last-of-layer” method from held to maturity (HTM) to available for sale (AFS) upon adoption. January 1, 2019 The Company adopted this ASU on January 1, 2019. As part of its adoption, the Company made a one-time election to reclassify a portion of its HTM securities eligible to be hedged under the “last-of-layer” method to AFS. As of January 1, 2019, the securities reclassified had a fair value of $8.8 billion and resulted in a net of tax increase to AOCI of $19 million. The adoption of this standard had no other impact on the Company’s financial statements. New Accounting Standards Not Yet Adopted Standard Description Required Date of Adoption Effects on the Financial Statements or Other Significant Matters ASU 2016-13, “Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments” Provides guidance for recognizing impairment of most debt instruments measured at amortized cost, including loans and HTM debt securities. Requires estimating current expected credit losses (CECL) over the remaining life of an instrument or a portfolio of instruments with similar risk characteristics based on relevant information about past events, current conditions, and reasonable forecasts. The initial estimate of, and the subsequent changes in, CECL will be recognized as credit loss expense through current earnings and will be reflected as an allowance for credit losses offsetting the carrying value of the financial instrument(s) on the balance sheet. Amends the other-than-temporary impairment (OTTI) model for AFS debt securities by requiring the use of an allowance, rather than directly reducing the carrying value of the security, and eliminating consideration of the length of time such security has been in an unrealized loss position as a factor in concluding whether a credit loss exists. January 1, 2020 (early adoption permitted) The Company expects that its allowance for credit losses will increase when CECL is adopted, primarily due to an incremental allowance that will be recorded on its HTM corporate debt securities. The incremental allowance at adoption is expected to be immaterial, but the impact of adoption will depend on, among other things, the economic environment, the proportion of securities classified as AFS versus HTM, and the size and type of loan and securities portfolios held by the Company on the date of adoption. A large portion of the securities in the Company’s portfolio will have zero expectation of credit losses based on industry views and regulatory guidance for U.S. Treasury and U.S. agency mortgage-backed securities. Further, we expect to apply the practical expedient based on continuous collateral replenishment to the Company’s pledged asset lines (PALs) and margin loans. The Company has completed the development of credit loss estimation methods for loans and the securities in its portfolio that do not have zero expectation of credit losses, including corporate debt securities and structured products. We are continuing the development of CECL policies and processes and testing and validation of credit loss estimation methods. We have also completed the first of the two planned quarterly CECL parallel runs. Standard Description Required Date of Adoption Effects on the Financial Statements or Other Significant Matters ASU 2018-15, “Intangibles–Goodwill and Other–Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force)” Aligns the criteria for capitalizing implementation costs for cloud computing arrangements (CCA) that are service contracts with internal-use software that is developed or purchased and CCAs that include an internal-use software license. This guidance requires that the capitalized implementation costs be recognized over the period of the CCA service contract, subject to impairment evaluation on an ongoing basis. The guidance prescribes the balance sheet, income statement, and statement of cash flow classification of the capitalized implementation costs and related amortization expense, and requires additional quantitative and qualitative disclosures. Adoption provides for retrospective or prospective application to all implementation costs incurred after the date of adoption. January 1, 2020 (early adoption permitted) Historically, Schwab has expensed implementation costs as they are incurred for CCAs that are service contracts. Therefore, adopting this guidance will change the Company’s accounting treatment for these types of implementation costs. The Company plans to adopt this guidance on a prospective basis and continues to evaluate the impacts of this guidance on its financial statements, including EPS. The cumulative effect of the changes made to our consolidated January 1, 2019 balance sheet for the adoption of ASU 2016-02, Leases (Topic 842) were as follows: Balance at Adjustments Due to ASU 2016-02 Balance at Assets Other assets (1) $ 2,046 $ 588 $ 2,634 Liabilities Accrued expenses and other liabilities (2) $ 2,954 $ 588 $ 3,542 (1) The adoption adjustment is comprised of two parts: 1) an increase of $596 million for the recognition of the January 1, 2019 ROU asset and 2) an $8 million decrease related to prepaid rent and initial direct costs, which were reclassified to the ROU asset upon adoption of ASU 2016-02. (2) The adoption adjustment is comprised of two parts: 1) an increase of $662 million for the recognition of the January 1, 2019 lease liability and 2) a $74 million decrease related to deferred rent and lease incentives, which were reclassified to the ROU asset upon adoption of ASU 2016-02.

Revenue Recognition

Revenue Recognition	9 Months Ended
	Sep. 30, 2019
Revenue from Contract with Customer [Abstract]
Revenue Recognition	Revenue Recognition Disaggregated Revenue Disaggregation of Schwab’s revenue by major source is as follows: Three Months Ended Nine Months Ended 2019 2018 2019 2018 Net interest revenue Interest revenue $ 1,892 $ 1,755 $ 5,817 $ 4,766 Interest expense (261 ) (228 ) (896 ) (569 ) Net interest revenue 1,631 1,527 4,921 4,197 Asset management and administration fees Mutual funds, ETFs, and CTFs (1) 445 446 1,287 1,419 Advice solutions 305 294 878 859 Other (1) 75 69 201 196 Asset management and administration fees 825 809 2,366 2,474 Trading revenue Commissions 159 155 477 501 Principal transactions 13 21 54 56 Trading revenue 172 176 531 557 Other 83 67 297 235 Total net revenues $ 2,711 $ 2,579 $ 8,115 $ 7,463 (1) Beginning in the first quarter of 2019, a change was made to move CTFs from other asset management and administration fees. Prior periods have been recast to reflect this change. For a summary of revenue provided by our reportable segments, see Note 16. The recognition of revenue is not impacted by the operating segment in which revenue is generated. Contract balances Receivables from contracts with customers within the scope of Accounting Standards Codification (ASC) 606, Revenue From Contracts With Customers (ASC 606) were $338 million at September 30, 2019 and $307 million at December 31, 2018 and were recorded in other assets on the condensed consolidated balance sheets. Schwab does not have any other significant contract assets or contract liability balances as of September 30, 2019 . Unsatisfied performance obligations

Investment Securities

Investment Securities	9 Months Ended
	Sep. 30, 2019
Investments, Debt and Equity Securities [Abstract]
Investment Securities	Investment Securities The amortized cost, gross unrealized gains and losses, and fair value of AFS and HTM securities are as follows: September 30, 2019 Amortized Gross Gross Fair Available for sale securities U.S. agency mortgage-backed securities $ 40,179 $ 299 $ 47 $ 40,431 U.S. Treasury securities 5,034 3 10 5,027 Asset-backed securities (1) 4,773 35 7 4,801 Corporate debt securities (2) 4,630 57 1 4,686 Certificates of deposit 1,000 4 — 1,004 Commercial paper (2,3) 520 1 — 521 Non-agency commercial mortgage-backed securities 13 — — 13 Total available for sale securities $ 56,149 $ 399 $ 65 $ 56,483 Held to maturity securities U.S. agency mortgage-backed securities $ 114,276 $ 1,974 $ 238 $ 116,012 Asset-backed securities (1) 18,323 74 38 18,359 Corporate debt securities (2) 4,659 58 2 4,715 U.S. state and municipal securities 1,306 107 — 1,413 Non-agency commercial mortgage-backed securities 1,136 28 — 1,164 U.S. Treasury securities 224 6 — 230 Certificates of deposit 200 — — 200 Foreign government agency securities 50 — — 50 Other 20 — — 20 Total held to maturity securities $ 140,194 $ 2,247 $ 278 $ 142,163 December 31, 2018 Available for sale securities U.S. agency mortgage-backed securities $ 25,594 $ 44 $ 82 $ 25,556 U.S. Treasury securities 18,410 — 108 18,302 Asset-backed securities (1) 10,086 14 15 10,085 Corporate debt securities (2) 7,477 10 20 7,467 Certificates of deposit 3,682 4 1 3,685 U.S. agency notes 900 — 2 898 Commercial paper (2,3) 522 — — 522 Foreign government agency securities 50 — 1 49 Non-agency commercial mortgage-backed securities 14 — — 14 Total available for sale securities $ 66,735 $ 72 $ 229 $ 66,578 Held to maturity securities U.S. agency mortgage-backed securities $ 118,064 $ 217 $ 2,188 $ 116,093 Asset-backed securities (1) 18,502 83 39 18,546 Corporate debt securities (2) 4,477 2 47 4,432 U.S. state and municipal securities 1,327 24 3 1,348 Non-agency commercial mortgage-backed securities 1,156 3 17 1,142 U.S. Treasury securities 223 — 6 217 Certificates of deposit 200 1 — 201 Foreign government agency securities 50 — 1 49 Other 10 — — 10 Total held to maturity securities $ 144,009 $ 330 $ 2,301 $ 142,038 (1) Approximately 43% and 36% of asset-backed securities held as of September 30, 2019 and December 31, 2018 , respectively, were Federal Family Education Loan Program Asset-Backed Securities. Asset-backed securities collateralized by credit card receivables represented approximately 42% of the asset-backed securities held as of September 30, 2019 and December 31, 2018 . (2) As of September 30, 2019 and December 31, 2018 , approximately 35% and 26% , respectively, of the total AFS and HTM investments in corporate debt securities and commercial paper were issued by institutions in the financial services industry. Approximately 18% of the holdings of these securities were issued by institutions in the information technology industry as of September 30, 2019 and December 31, 2018 . (3) Included in cash and cash equivalents on the condensed consolidated balance sheets, but excluded from this table is $0.9 billion and $4.9 billion of AFS commercial paper as of September 30, 2019 and December 31, 2018 , respectively. These holdings have maturities of three months or less at the time of acquisition and an aggregate market value equal to amortized cost. On January 1, 2019 the Company transferred certain U.S. agency mortgage-backed securities with a fair value of $8.8 billion from the HTM category to the AFS category as permitted by ASU 2017-12. For additional information on the transfer, see Notes 2 and 14. At September 30, 2019 , our banking subsidiaries had pledged securities with a fair value of $26.8 billion as collateral to secure borrowing capacity on secured credit facilities with the FHLB (see Note 8). Certain banking subsidiaries also pledge investment securities as collateral to secure borrowing capacity at the Federal Reserve Bank discount window, and had pledged securities with a fair value of $8.3 billion as collateral for this facility at September 30, 2019 . CSB also pledges securities issued by federal agencies to secure certain trust deposits. The fair value of these pledged securities was $918 million at September 30, 2019 . Securities with unrealized losses, aggregated by category and period of continuous unrealized loss, are as follows: Less than 12 months 12 months or longer Total September 30, 2019 Fair Unrealized Fair Unrealized Fair Unrealized Available for sale securities U.S. agency mortgage-backed securities $ 12,063 $ 24 $ 6,317 $ 23 $ 18,380 $ 47 U.S. Treasury securities 377 — 3,161 10 3,538 10 Asset-backed securities 763 1 398 6 1,161 7 Corporate debt securities 149 1 499 — 648 1 Total $ 13,352 $ 26 $ 10,375 $ 39 $ 23,727 $ 65 Held to maturity securities U.S. agency mortgage-backed securities $ 11,838 $ 37 $ 20,897 $ 201 $ 32,735 $ 238 Asset-backed securities 7,638 34 556 4 8,194 38 Corporate debt securities 416 1 354 1 770 2 Total $ 19,892 $ 72 $ 21,807 $ 206 $ 41,699 $ 278 Total securities with unrealized losses (1) $ 33,244 $ 98 $ 32,182 $ 245 $ 65,426 $ 343 December 31, 2018 Available for sale securities U.S. agency mortgage-backed securities $ 9,529 $ 32 $ 4,257 $ 50 $ 13,786 $ 82 U.S. Treasury securities 4,951 6 7,037 102 11,988 108 Asset-backed securities 4,050 9 837 6 4,887 15 Corporate debt securities 3,561 19 254 1 3,815 20 Certificates of deposit 1,217 1 150 — 1,367 1 U.S. agency notes 195 — 304 2 499 2 Foreign government agency securities — — 49 1 49 1 Total $ 23,503 $ 67 $ 12,888 $ 162 $ 36,391 $ 229 Held to maturity securities U.S. agency mortgage-backed securities $ 29,263 $ 222 $ 56,435 $ 1,966 $ 85,698 $ 2,188 Asset-backed securities 6,795 35 376 4 7,171 39 Corporate debt securities 2,909 29 1,066 18 3,975 47 U.S. state and municipal securities 77 2 18 1 95 3 Non-agency commercial mortgage-backed securities 283 2 632 15 915 17 U.S. Treasury securities — — 218 6 218 6 Foreign government agency securities — — 49 1 49 1 Total $ 39,327 $ 290 $ 58,794 $ 2,011 $ 98,121 $ 2,301 Total securities with unrealized losses (2) $ 62,830 $ 357 $ 71,682 $ 2,173 $ 134,512 $ 2,530 (1) The number of investment positions with unrealized losses totaled 343 for AFS securities and 625 for HTM securities. (2) The number of investment positions with unrealized losses totaled 441 for AFS securities and 1,524 for HTM securities. At September 30, 2019 , substantially all rated securities in the investment portfolios were investment grade. U.S. agency mortgage-backed securities do not have explicit credit ratings; however, management considers these to be of the highest credit quality and rating given the guarantee of principal and interest by the U.S. government or U.S. government-sponsored enterprises. Management evaluates whether investment securities are other-than-temporarily impaired on a quarterly basis as described in Note 2 in the 2018 Form 10-K. No amounts were recognized as OTTI in earnings or other comprehensive income during the nine months ended September 30, 2019 or the year ended December 31, 2018 . As of September 30, 2019 and December 31, 2018 , Schwab did not hold any securities on which OTTI was previously recognized. In the table below, mortgage-backed securities and other asset-backed securities have been allocated to maturity groupings based on final contractual maturities. As borrowers may have the right to call or prepay certain obligations underlying our investment securities, actual maturities may differ from the scheduled contractual maturities presented below. The maturities of AFS and HTM securities are as follows: September 30, 2019 Within After 1 year After 5 years After Total Available for sale securities U.S. agency mortgage-backed securities $ 51 $ 1,909 $ 11,061 $ 27,410 $ 40,431 U.S. Treasury securities 3,541 1,486 — — 5,027 Asset-backed securities 35 3,752 794 220 4,801 Corporate debt securities 1,100 3,415 171 — 4,686 Certificates of deposit 501 503 — — 1,004 Commercial paper 521 — — — 521 Non-agency commercial mortgage-backed securities — — — 13 13 Total fair value $ 5,749 $ 11,065 $ 12,026 $ 27,643 $ 56,483 Total amortized cost $ 5,743 $ 10,994 $ 11,996 $ 27,416 $ 56,149 Held to maturity securities U.S. agency mortgage-backed securities $ 663 $ 15,472 $ 35,048 $ 64,829 $ 116,012 Asset-backed securities — 3,227 7,940 7,192 18,359 Corporate debt securities 778 3,079 858 — 4,715 U.S. state and municipal securities — 99 452 862 1,413 Non-agency commercial mortgage-backed securities — 367 — 797 1,164 U.S. Treasury securities — — 230 — 230 Certificates of deposit 200 — — — 200 Foreign government agency securities — 50 — — 50 Other — — — 20 20 Total fair value $ 1,641 $ 22,294 $ 44,528 $ 73,700 $ 142,163 Total amortized cost $ 1,637 $ 21,989 $ 43,368 $ 73,200 $ 140,194 Proceeds and gross realized gains and losses from sales of AFS securities are as follows: Three Months Ended Nine Months Ended September 30, 2019 2018 2019 2018 Proceeds $ 5,436 $ — $ 21,710 $ 115 Gross realized gains 5 — 15 — Gross realized losses 4 — 10 —

Bank Loans and Related Allowanc

Bank Loans and Related Allowance for Loan Losses	9 Months Ended
	Sep. 30, 2019
Receivables [Abstract]
Bank Loans and Related Allowance for Loan Losses	Bank Loans and Related Allowance for Loan Losses The composition of bank loans and delinquency analysis by loan type is as follows: September 30, 2019 Current 30-59 days 60-89 days > 90 days past (3) Total past due Total Allowance Total First Mortgages (1,2) $ 10,607 $ 20 $ 2 $ 11 $ 33 $ 10,640 $ 10 $ 10,630 HELOCs (1,2) 1,208 3 1 8 12 1,220 4 1,216 Pledged asset lines 4,876 2 — — 2 4,878 — 4,878 Other 172 — — 2 2 174 3 171 Total bank loans $ 16,863 $ 25 $ 3 $ 21 $ 49 $ 16,912 $ 17 $ 16,895 December 31, 2018 First Mortgages (1,2) $ 10,349 $ 21 $ 2 $ 12 $ 35 $ 10,384 $ 14 $ 10,370 HELOCs (1,2) 1,493 3 1 8 12 1,505 5 1,500 Pledged asset lines 4,558 3 — — 3 4,561 — 4,561 Other 180 — — — — 180 2 178 Total bank loans $ 16,580 $ 27 $ 3 $ 20 $ 50 $ 16,630 $ 21 $ 16,609 (1) First Mortgages and HELOCs include unamortized premiums and discounts and direct origination costs of $71 million and $73 million at September 30, 2019 and December 31, 2018 , respectively. (2) At September 30, 2019 and December 31, 2018 , 46% and 47% , respectively, of the First Mortgage and HELOC portfolios were concentrated in California. These loans have performed in a manner consistent with the portfolio as a whole. (3) There were no loans accruing interest that were contractually 90 days or more past due at September 30, 2019 or December 31, 2018 . At September 30, 2019 , CSB had pledged $10.8 billion of First Mortgages and HELOCs as collateral to secure borrowing capacity on a secured credit facility with the FHLB (see Note 8). Substantially all of the bank loans were collectively evaluated for impairment at both September 30, 2019 and December 31, 2018 . Changes in the allowance for loan losses were as follows: September 30, 2019 September 30, 2018 Three Months Ended First Mortgages HELOCs Other Total (1) First Mortgages HELOCs Other Total (1) Balance at beginning of period $ 12 $ 5 $ 2 $ 19 $ 17 $ 7 $ 2 $ 26 Charge-offs — — — — — — — — Recoveries — — — — — 1 — 1 Provision for loan losses (2 ) (1 ) 1 (2 ) — (1 ) — (1 ) Balance at end of period $ 10 $ 4 $ 3 $ 17 $ 17 $ 7 $ 2 $ 26 September 30, 2019 September 30, 2018 Nine Months Ended First Mortgages HELOCs Other Total (1) First Mortgages HELOCs Other Total (1) Balance at beginning of period $ 14 $ 5 $ 2 $ 21 $ 16 $ 8 $ 2 $ 26 Charge-offs — — — — — — (1 ) (1 ) Recoveries 1 1 — 2 — 2 — 2 Provision for loan losses (5 ) (2 ) 1 (6 ) 1 (3 ) 1 (1 ) Balance at end of period $ 10 $ 4 $ 3 $ 17 $ 17 $ 7 $ 2 $ 26 (1) All PALs were fully collateralized by securities with fair values in excess of borrowings as of each period presented. A summary of impaired bank loan-related assets is as follows: September 30, 2019 December 31, 2018 Nonaccrual loans (1) $ 21 $ 21 Other real estate owned (2) 2 3 Total nonperforming assets 23 24 Troubled debt restructurings 2 4 Total impaired assets $ 25 $ 28 (1) Nonaccrual loans include nonaccrual troubled debt restructurings. (2) Included in other assets on the condensed consolidated balance sheets. Credit Quality In addition to monitoring delinquency, Schwab monitors the credit quality of First Mortgages and HELOCs by stratifying the portfolios by the following: • Year of origination; • Borrower FICO scores at origination (Origination FICO); • Updated borrower FICO scores (Updated FICO); • Loan-to-value (LTV) ratios at origination (Origination LTV); and • Estimated current LTV ratios (Estimated Current LTV). Borrowers’ FICO scores are provided by an independent third-party credit reporting service and updated quarterly. The Origination LTV and Estimated Current LTV for a HELOC include any first lien mortgage outstanding on the same property at the time of the HELOC’s origination. The Estimated Current LTV for each loan is updated on a monthly basis by reference to a home price appreciation index. The credit quality indicators of the Company’s bank loan portfolio are detailed below: September 30, 2019 Balance Weighted Average Percent of First Mortgages Estimated Current LTV < 70% $ 9,574 776 0.03 % >70% – < 90% 1,061 770 0.28 % >90% – < 100% 4 756 — >100% 1 768 — Total $ 10,640 776 0.05 % HELOCs Estimated Current LTV (1) < 70% $ 1,157 769 0.25 % >70% – < 90% 58 751 0.83 % >90% – < 100% 3 716 5.06 % >100% 2 659 — Total $ 1,220 768 0.29 % Pledged asset lines Weighted-Average LTV (1) =70% $ 4,878 767 — December 31, 2018 Balance Weighted Average Percent of First Mortgages Estimated Current LTV < 70% $ 9,396 776 0.04 % >70% – < 90% 985 769 0.41 % >90% – < 100% 2 717 — >100% 1 753 — Total $ 10,384 775 0.07 % HELOCs Estimated Current LTV (1) < 70% $ 1,416 770 0.13 % >70% – < 90% 80 752 0.60 % >90% – < 100% 6 729 3.36 % >100% 3 702 — Total $ 1,505 769 0.17 % Pledged asset lines Weighted-Average LTV (1) =70% $ 4,561 766 — (1) Represents the LTV for the full line of credit (drawn and undrawn). September 30, 2019 First Mortgages HELOCs Year of origination Pre-2015 $ 1,815 $ 872 2015 889 85 2016 2,382 82 2017 2,137 90 2018 1,611 67 2019 1,806 24 Total $ 10,640 $ 1,220 Origination FICO <620 $ 4 $ — 620 – 679 76 6 680 – 739 1,624 236 > 740 8,936 978 Total $ 10,640 $ 1,220 Origination LTV < 70% $ 7,980 $ 869 >70% – < 90% 2,656 346 >90% – < 100% 4 5 Total $ 10,640 $ 1,220 December 31, 2018 First Mortgages HELOCs Year of origination Pre-2015 $ 2,387 $ 1,140 2015 1,050 106 2016 2,606 95 2017 2,366 99 2018 1,975 65 Total $ 10,384 $ 1,505 Origination FICO <620 $ 5 $ — 620 – 679 83 8 680 – 739 1,626 282 > 740 8,670 1,215 Total $ 10,384 $ 1,505 Origination LTV < 70% $ 7,815 $ 1,064 >70% – < 90% 2,564 434 >90% – < 100% 5 7 Total $ 10,384 $ 1,505 At September 30, 2019 , First Mortgage loans of $9.6 billion had adjustable interest rates. Substantially all of these mortgages have initial fixed interest rates for three to ten years and interest rates that adjust annually thereafter. Approximately 29% of the balance of these mortgages consisted of loans with interest-only payment terms. The interest rates on approximately 65% of the balance of these interest-only loans are not scheduled to reset for three or more years. Schwab’s mortgage loans do not include interest terms described as temporary introductory rates below current market rates. The HELOC product has a 30 -year loan term with an initial draw period of ten years from the date of origination. After the initial draw period, the balance outstanding at such time is converted to a 20 -year amortizing loan. The interest rate during the initial draw period and the 20 -year amortizing period is a floating rate based on the prime rate plus a margin. The following table presents when current outstanding HELOCs will convert to amortizing loans: September 30, 2019 Balance Converted to an amortizing loan by period end $ 551 Within 1 year 52 > 1 year – 3 years 84 > 3 years – 5 years 170 > 5 years 363 Total $ 1,220 At September 30, 2019 , $1.0 billion of the HELOC portfolio was secured by second liens on the associated properties. Second lien mortgage loans typically possess a higher degree of credit risk given the subordination to the first lien holder in the event of default. In addition to the credit monitoring activities described previously, Schwab also monitors credit risk by reviewing the delinquency status of the first lien loan on the associated property. At September 30, 2019 , the borrowers on approximately 54% of HELOC loan balances outstanding only paid the minimum amount due.

Variable Interest Entities

Variable Interest Entities	9 Months Ended
	Sep. 30, 2019
Variable Interest Entities [Abstract]
Variable Interest Entities	Variable Interest Entities As of September 30, 2019 and December 31, 2018 , all of Schwab’s involvement with variable interest entities (VIEs) is through CSB’s Community Reinvestment Act (CRA)-related investments and most of those are related to Low-Income Housing Tax Credit (LIHTC) investments. As part of CSB’s community reinvestment initiatives, CSB invests in funds that make equity investments in multifamily affordable housing properties. CSB receives tax credits and other tax benefits for these investments. Aggregate assets, liabilities and maximum exposure to loss The aggregate assets, liabilities, and maximum exposure to loss from those VIEs in which Schwab holds a variable interest, but is not the primary beneficiary, are summarized in the table below: September 30, 2019 December 31, 2018 Aggregate Aggregate Maximum Aggregate Aggregate Maximum LIHTC investments (1) $ 498 $ 298 $ 498 $ 338 $ 188 $ 338 Other CRA investments (2) 91 — 125 70 — 124 Total $ 589 $ 298 $ 623 $ 408 $ 188 $ 462 (1) Aggregate assets and aggregate liabilities are included in other assets and accrued expenses and other liabilities, respectively, on the condensed consolidated balance sheets. (2) Other CRA investments are recorded using either the adjusted cost method, equity method, or as HTM securities. Aggregate assets are included in HTM securities, bank loans – net, or other assets on the condensed consolidated balance sheets. Schwab’s maximum exposure to loss would result from the loss of the investments, including any committed amounts. CSB’s funding of these remaining commitments is dependent upon the occurrence of certain conditions, and CSB expects to pay substantially all of these commitments between 2019 and 2022 . During the nine months ended September 30, 2019 and year ended December 31, 2018

Bank Deposits

Bank Deposits	9 Months Ended
	Sep. 30, 2019
Banking and Thrift [Abstract]
Bank Deposits	Bank Deposits Bank deposits consist of interest-bearing and non-interest-bearing deposits as follows: September 30, 2019 December 31, 2018 Interest-bearing deposits: Deposits swept from brokerage accounts $ 191,456 $ 212,311 Checking 12,020 12,523 Savings and other 5,146 5,827 Total interest-bearing deposits 208,622 230,661 Non-interest-bearing deposits 705 762 Total bank deposits $ 209,327 $ 231,423

Borrowings

Borrowings	9 Months Ended
	Sep. 30, 2019
Debt Disclosure [Abstract]
Borrowings	Borrowings CSC’s Senior Notes are unsecured obligations. CSC may redeem some or all of the Senior Notes of each series prior to their maturity, subject to certain restrictions, and the payment of an applicable make-whole premium in certain instances. Interest is payable semi-annually for the fixed-rate Senior Notes and quarterly for the floating-rate Senior Notes. The following table lists long-term debt by instrument outstanding as of September 30, 2019 and December 31, 2018 : Date of Principal Amount Outstanding Issuance September 30, 2019 December 31, 2018 Fixed-rate Senior Notes: 4.450% due July 22, 2020 07/22/10 $ 700 $ 700 3.250% due May 21, 2021 05/22/18 600 600 3.225% due September 1, 2022 08/29/12 256 256 2.650% due January 25, 2023 12/07/17 800 800 3.550% due February 1, 2024 10/31/18 500 500 3.000% due March 10, 2025 03/10/15 375 375 3.850% due May 21, 2025 05/22/18 750 750 3.450% due February 13, 2026 11/13/15 350 350 3.200% due March 2, 2027 03/02/17 650 650 3.200% due January 25, 2028 12/07/17 700 700 4.000% due February 1, 2029 10/31/18 600 600 3.250% due May 22, 2029 05/22/19 600 — Floating-rate Senior Notes: Three-month LIBOR + 0.32% due May 21, 2021 05/22/18 600 600 Total Senior Notes 7,481 6,881 5.450% Finance lease obligation (1) 06/04/04 — 52 Unamortized discount — net (14 ) (15 ) Debt issuance costs (40 ) (40 ) Total long-term debt $ 7,427 $ 6,878 (1) The finance lease obligation was extinguished through an assignment agreement during the first quarter of 2019. Annual maturities on long-term debt outstanding at September 30, 2019 are as follows: Maturities 2019 $ — 2020 700 2021 1,200 2022 256 2023 800 Thereafter 4,525 Total maturities 7,481 Unamortized discount — net (14 ) Debt issuance costs (40 ) Total long-term debt $ 7,427 Short-term borrowings: Our banking subsidiaries maintain secured credit facilities with the FHLB. Amounts available under these facilities are dependent on the amount of our First Mortgages, HELOCs, and the fair value of certain of their investment securities that are pledged as collateral. As of September 30, 2019 and December 31, 2018 , the collateral pledged provided a total borrowing capacity of $35.2 billion and $35.5 billion , respectively, of which no amounts were outstanding at the end of either period. As a condition of the FHLB borrowings, we are required to hold FHLB stock, which was recorded in other assets on the condensed consolidated balance sheets. The investment in FHLB was $34 million at September 30, 2019 and $32 million at December 31, 2018

Leases

Leases	9 Months Ended
	Sep. 30, 2019
Leases [Abstract]
Leases	Leases The Company has operating leases for corporate offices, branch locations, and server equipment and determines if an arrangement is a lease at inception. Leases with an initial term of 12 months or less are not recorded on the balance sheet; we recognize lease expense for these leases on a straight-line basis over the lease term. ROU assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. Operating lease ROU assets and lease liabilities are recognized at commencement date based on the present value of lease payments over the lease term. The lease liability may include payments that depend on a rate or index (such as the Consumer Price Index), measured using the rate or index at the commencement date. Payments that vary because of changes in facts or circumstances occurring after the commencement date are considered variable. These payments are not recognized as part of the lease liability and are expensed in the period incurred. The Company’s lease agreements do not contain any material residual value guarantees or material restrictive covenants. We have lease agreements with lease and non-lease components. For the majority of our leases (real estate leases), the Company has elected the practical expedient to account for the lease and non-lease components as a single lease component. We have not elected the practical expedient for equipment leases and account for lease and non-lease components separately for those classes of leases. As our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. Our lease terms may include periods covered by options to extend when it is reasonably certain that we will exercise those options. The lease terms may also include periods covered by options to terminate when it is reasonably certain that we will not exercise that option. Lease expense for operating lease payments is recognized on a straight-line basis over the lease term. The Company does not have any finance leases and had an immaterial amount of sublease income for all periods presented. The following table details the amounts and locations of lease assets and liabilities on the condensed consolidated balance sheet: Leases Balance Sheet Classification September 30, 2019 Assets Operating lease assets Other assets $ 596 Liabilities Operating lease liabilities Accrued expenses and other liabilities $ 665 The components of lease expense are as follows: Lease Cost Three Months Ended Nine Months Ended Operating lease cost (1) $ 34 $ 100 Variable lease cost (2) 8 25 (1) Includes short-term leases, which are immaterial. (2) Includes payments that are entirely variable and amounts that represent the difference between payments based on an index or rate that would be reflected in the lease liability and what is actually incurred. The following tables present supplemental lease information as of September 30, 2019 : Lease Term and Discount Rate Weighted-average remaining lease term (years) 7.18 Weighted-average discount rate 3.47 % Maturity of Lease Liabilities Operating Leases (1) 2019 $ 26 2020 136 2021 113 2022 92 2023 84 Thereafter 309 Total lease payments 760 Less: Interest 95 Present value of lease liabilities $ 665 (1) Operating lease payments exclude $41 million of legally binding minimum lease payments for leases signed but not yet commenced. These leases will commence between 2019 and 2020 with lease terms of five years to 20 years. In accordance with the disclosure requirements for our adoption of ASU 2016-02, the Company is presenting the operating leases commitment table as of December 31, 2018. The following table is unchanged from the disclosure in Note 14 in the 2018 Form 10-K: Operating Subleases Net 2019 $ 131 $ 4 $ 127 2020 125 4 121 2021 101 4 97 2022 79 2 77 2023 72 1 71 Thereafter 282 — 282 Total $ 790 $ 15 $ 775

Commitments and Contingencies

Commitments and Contingencies	9 Months Ended
	Sep. 30, 2019
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Loan Portfolio: CSB provides a co-branded loan origination program for CSB clients (the Program) with Quicken Loans, Inc. (Quicken Loans ® ). Pursuant to the Program, Quicken Loans originates and services First Mortgages and HELOCs for CSB clients. Under the Program, CSB purchases certain First Mortgages and HELOCs that are originated by Quicken Loans. CSB purchased First Mortgages of $842 million and $491 million during the third quarters of 2019 and 2018 , respectively, and $2.0 billion and $1.6 billion during the first nine months of 2019 and 2018 , respectively. CSB purchased HELOCs with commitments of $52 million and $104 million during the third quarters of 2019 and 2018 , respectively, and $180 million and $311 million during the first nine months of 2019 and 2018 , respectively. The Company’s commitments to extend credit on bank lines of credit and to purchase First Mortgages are as follows: September 30, 2019 December 31, 2018 Commitments to extend credit related to unused HELOCs, PALs, and other lines of credit $ 11,234 $ 11,046 Commitments to purchase First Mortgage loans 1,976 268 Total $ 13,210 $ 11,314 In the third quarter of 2019, volume in new and refinanced First Mortgages increased as a result of lower interest rates and enhancements to customer incentives, leading to additional purchases during the third quarter and an increase in commitments to purchase First Mortgages as of September 30, 2019. Guarantees and indemnifications: Schwab has clients that sell (i.e., write) listed option contracts that are cleared by the Options Clearing Corporation – a clearing house that establishes margin requirements on these transactions. We partially satisfy the margin requirements by arranging unsecured standby letter of credit agreements (LOCs), in favor of the Options Clearing Corporation, which are issued by several banks. At September 30, 2019 , the aggregate face amount of these LOCs totaled $225 million . There were no funds drawn under any of these LOCs at September 30, 2019 . In connection with its securities lending activities, Schwab is required to provide collateral to certain brokerage clients. The Company satisfies the collateral requirements by providing cash as collateral. Schwab also provides guarantees to securities clearing houses and exchanges under standard membership agreements, which require members to guarantee the performance of other members. Under the agreements, if another member becomes unable to satisfy its obligations to the clearing houses and exchanges, other members would be required to meet shortfalls. Schwab’s liability under these arrangements is not quantifiable and may exceed the cash and securities it has posted as collateral. The potential requirement for the Company to make payments under these arrangements is remote. Accordingly, no liability has been recognized for these guarantees. Acquisition of USAA-IMCO: On July 25, 2019, the Company announced a definitive agreement to acquire assets of USAA-IMCO, including over one million brokerage and managed portfolio accounts with approximately $90 billion in client assets, for $1.8 billion in cash. The companies have also agreed to enter into a long-term referral agreement, effective at closing of the acquisition, that would make Schwab the exclusive wealth management and brokerage provider for USAA members. The transaction is expected to close in mid-2020, subject to satisfaction of closing conditions, including regulatory approvals and the implementation of conversion plans. Legal contingencies: Schwab is subject to claims and lawsuits in the ordinary course of business, including arbitrations, class actions and other litigation, some of which include claims for substantial or unspecified damages. The Company is also the subject of inquiries, investigations, and proceedings by regulatory and other governmental agencies. Predicting the outcome of a litigation or regulatory matter is inherently difficult, requiring significant judgment and evaluation of various factors, including the procedural status of the matter and any recent developments; prior experience and the experience of others in similar cases; available defenses, including potential opportunities to dispose of a case on the merits or procedural grounds before trial (e.g., motions to dismiss or for summary judgment); the progress of fact discovery; the opinions of counsel and experts regarding potential damages; and potential opportunities for settlement and the status of any settlement discussions. It may not be reasonably possible to estimate a range of potential liability until the matter is closer to resolution – pending, for example, further proceedings, the outcome of key motions or appeals, or discussions among the parties. Numerous issues may have to be developed, such as discovery of important factual matters and determination of threshold legal issues, which may include novel or unsettled questions of law. Reserves are established or adjusted or further disclosure and estimates of potential loss are provided as the matter progresses and more information becomes available. Schwab believes it has strong defenses in all significant matters currently pending and is contesting liability and any damages claimed. Nevertheless, some of these matters may result in adverse judgments or awards, including penalties, injunctions or other relief, and the Company may also determine to settle a matter because of the uncertainty and risks of litigation. Described below is a certain matter in which there is a reasonable possibility that a material loss could be incurred or where the matter may otherwise be of significant interest to stockholders. Unless otherwise noted, the Company is unable to provide a reasonable estimate of any potential liability given the stage of proceedings in the matter. With respect to all other pending matters, based on current information and consultation with counsel, it does not appear reasonably possible that the outcome of any such matter would be material to the financial condition, operating results, or cash flows of the Company. Crago Order Routing Litigation : On July 13, 2016, a securities class action lawsuit was filed in the U.S. District Court for the Northern District of California on behalf of a putative class of customers executing equity orders through CS&Co. The lawsuit names CS&Co and CSC as defendants and alleges that an agreement under which CS&Co routed orders to UBS Securities LLC between July 13, 2011 and December 31, 2014 violated CS&Co’s duty to seek best execution. Plaintiffs seek unspecified damages, interest, injunctive and equitable relief, and attorneys’ fees and costs. After a first amended complaint was dismissed with leave to amend, plaintiffs filed a second amended complaint on August 14, 2017. Defendants again moved to dismiss, and in a decision issued December 5, 2017, the court denied the motion. Defendants have answered the complaint to deny all allegations, and are vigorously contesting the lawsuit.

Financial Instruments Subject t

Financial Instruments Subject to Off-Balance Sheet Credit Risk	9 Months Ended
	Sep. 30, 2019
Offsetting [Abstract]
Financial Instruments Subject to Off-Balance Sheet Credit Risk	Financial Instruments Subject to Off-Balance Sheet Credit Risk Resale agreements: Schwab enters into collateralized resale agreements principally with other broker-dealers, which could result in losses in the event the counterparty fails to purchase the securities held as collateral for the cash advanced and the fair value of the securities declines. To mitigate this risk, Schwab requires that the counterparty deliver securities to a custodian, to be held as collateral, with a fair value at or in excess of the resale price. Schwab also sets standards for the credit quality of the counterparty, monitors the fair value of the underlying securities as compared to the related receivable, including accrued interest, and requires additional collateral where deemed appropriate. The collateral provided under these resale agreements is utilized to meet obligations under broker-dealer client protection rules, which place limitations on our ability to access such segregated securities. For Schwab to repledge or sell this collateral, we would be required to deposit cash and/or securities of an equal amount into our segregated reserve bank accounts in order to meet our segregated cash and investment requirement. Schwab’s resale agreements are not subject to master netting arrangements. Securities lending: Schwab loans brokerage client securities temporarily to other brokers and clearing houses in connection with its securities lending activities and receives cash as collateral for the securities loaned. Increases in security prices may cause the fair value of the securities loaned to exceed the amount of cash received as collateral. In the event the counterparty to these transactions does not return the loaned securities or provide additional cash collateral, we may be exposed to the risk of acquiring the securities at prevailing market prices in order to satisfy our client obligations. Schwab mitigates this risk by requiring credit approvals for counterparties, monitoring the fair value of securities loaned, and requiring additional cash as collateral when necessary. We also borrow securities from other broker-dealers to fulfill short sales by brokerage clients and deliver cash to the lender in exchange for the securities. The fair value of these borrowed securities was $860 million and $99 million at September 30, 2019 and December 31, 2018 , respectively. Substantially all of our securities lending transactions are through a program with a clearing organization, which guarantees the return of cash to us and is subject to enforceable master netting arrangements with other broker-dealers; however, we do not net securities lending transactions. Therefore, the securities loaned and securities borrowed are presented gross in the condensed consolidated balance sheets. The following table presents information about our resale agreements and securities lending activity depicting the potential effect of rights of setoff between these recognized assets and recognized liabilities at September 30, 2019 and December 31, 2018 : Gross Gross Amounts Net Amounts Gross Amounts Not Offset in the Net Counterparty Collateral September 30, 2019 Assets Resale agreements (1) $ 9,707 $ — $ 9,707 $ — $ (9,707 ) (2) $ — Securities borrowed (3) 877 — 877 (871 ) (6 ) — Total $ 10,584 $ — $ 10,584 $ (871 ) $ (9,713 ) $ — Liabilities Securities loaned (4,5) $ 1,471 $ — $ 1,471 $ (871 ) $ (489 ) $ 111 Total $ 1,471 $ — $ 1,471 $ (871 ) $ (489 ) $ 111 December 31, 2018 Assets Resale agreements (1) $ 7,195 $ — $ 7,195 $ — $ (7,195 ) (2) $ — Securities borrowed (3) 101 — 101 (98 ) (3 ) — Total $ 7,296 $ — $ 7,296 $ (98 ) $ (7,198 ) $ — Liabilities Securities loaned (4,5) $ 1,184 $ — $ 1,184 $ (98 ) $ (975 ) $ 111 Total $ 1,184 $ — $ 1,184 $ (98 ) $ (975 ) $ 111 (1) Included in cash and investments segregated and on deposit for regulatory purposes in the condensed consolidated balance sheets. (2) Actual collateral was greater than or equal to 102% of the related assets. At September 30, 2019 and December 31, 2018 , the fair value of collateral received in connection with resale agreements that are available to be repledged or sold was $9.9 billion and $7.4 billion , respectively. (3) Included in receivables from brokers, dealers, and clearing organizations in the condensed consolidated balance sheets. (4) Included in payables to brokers, dealers, and clearing organizations in the condensed consolidated balance sheets. The cash collateral received from counterparties under securities lending transactions was equal to or greater than the market value of the securities loaned at September 30, 2019 and December 31, 2018 . (5) Securities loaned are predominantly comprised of equity securities held in client brokerage accounts with overnight and continuous remaining contractual maturities. Margin lending: Clients with margin loans have agreed to allow Schwab to pledge securities in their brokerage accounts in accordance with federal regulations. The following table summarizes the fair value of client securities that were available, under such regulations, that could have been used as collateral, and the amounts that we had pledged: September 30, 2019 December 31, 2018 Fair value of client securities available to be pledged $ 26,614 $ 26,628 Fair value of client securities pledged for: Fulfillment of requirements with the Options Clearing Corporation (1) 1,778 2,315 Fulfillment of client short sales 2,023 1,292 Securities lending to other broker-dealers 1,204 974 Total collateral pledged $ 5,005 $ 4,581 Note: Excludes amounts available and pledged for securities lending from fully-paid client securities. The fair value of fully-paid client securities available and pledged was $139 million as of September 30, 2019 and $97 million as of December 31, 2018 . (1)

Fair Values of Assets and Liabi

Fair Values of Assets and Liabilities	9 Months Ended
	Sep. 30, 2019
Fair Value Disclosures [Abstract]
Fair Values of Assets and Liabilities	Fair Values of Assets and Liabilities Assets and liabilities measured at fair value on a recurring basis Schwab’s assets and liabilities measured at fair value on a recurring basis include: certain cash equivalents, certain investments segregated and on deposit for regulatory purposes, other securities owned, and AFS securities. The Company uses the market approach to determine the fair value of assets and liabilities. When available, the Company uses quoted prices in active markets to measure the fair value of assets and liabilities. When utilizing market data and bid-ask spread, the Company uses the price within the bid-ask spread that best represents fair value. When quoted prices do not exist, the Company uses prices obtained from independent third-party pricing services to measure the fair value of investment assets. We generally obtain prices from three independent third-party pricing sources for assets recorded at fair value. Our primary independent pricing service provides prices based on observable trades and discounted cash flows that incorporate observable information such as yields for similar types of securities (a benchmark interest rate plus observable spreads) and weighted-average maturity for the same or similar “to-be-issued” securities. We compare the prices obtained from the primary independent pricing service to the prices obtained from the additional independent pricing services to determine if the price obtained from the primary independent pricing service is reasonable. Schwab does not adjust the prices received from independent third-party pricing services unless such prices are inconsistent with the definition of fair value and result in material differences in the amounts recorded. For a description of the fair value hierarchy and Schwab’s fair value methodologies, see Note 2 in the 2018 Form 10-K. We did not transfer any assets or liabilities between Level 1, Level 2, or Level 3 during the nine months ended September 30, 2019 , or the year ended December 31, 2018 . In addition, the Company did not adjust prices received from the primary independent third-party pricing service at September 30, 2019 or December 31, 2018 . Assets and Liabilities Measured at Fair Value on a Recurring Basis The following tables present the fair value hierarchy for assets measured at fair value on a recurring basis. Liabilities recorded at fair value were not material, and therefore are not included in the following tables: September 30, 2019 Level 1 Level 2 Level 3 Balance at Cash equivalents: Money market funds $ 4,193 $ — $ — $ 4,193 Commercial paper — 923 — 923 Total cash equivalents 4,193 923 — 5,116 Investments segregated and on deposit for regulatory purposes: Certificates of deposit — 1,951 — 1,951 U.S. Government securities — 1,605 — 1,605 Total investments segregated and on deposit for regulatory purposes — 3,556 — 3,556 Other securities owned: Equity and bond mutual funds 378 — — 378 State and municipal debt obligations — 32 — 32 Equity, U.S. Government and corporate debt, and other securities 3 74 — 77 Schwab Funds ® money market funds 10 — — 10 Total other securities owned 391 106 — 497 Available for sale securities: U.S. agency mortgage-backed securities — 40,431 — 40,431 U.S. Treasury securities — 5,027 — 5,027 Asset-backed securities — 4,801 — 4,801 Corporate debt securities — 4,686 — 4,686 Certificates of deposit — 1,004 — 1,004 Commercial paper — 521 — 521 Non-agency commercial mortgage-backed securities — 13 — 13 Total available for sale securities — 56,483 — 56,483 Total $ 4,584 $ 61,068 $ — $ 65,652 December 31, 2018 Level 1 Level 2 Level 3 Balance at Cash equivalents: Money market funds $ 3,429 $ — $ — $ 3,429 Commercial paper — 4,863 — 4,863 Total cash equivalents 3,429 4,863 — 8,292 Investments segregated and on deposit for regulatory purposes: Certificates of deposit — 1,396 — 1,396 U.S. Government securities — 3,275 — 3,275 Total investments segregated and on deposit for regulatory purposes — 4,671 — 4,671 Other securities owned: Equity and bond mutual funds 441 — — 441 State and municipal debt obligations — 39 — 39 Equity, U.S. Government and corporate debt, and other securities 3 30 — 33 Schwab Funds ® money market funds 26 — — 26 Total other securities owned 470 69 — 539 Available for sale securities: U.S. agency mortgage-backed securities — 25,556 — 25,556 U.S. Treasury securities — 18,302 — 18,302 Asset-backed securities — 10,085 — 10,085 Corporate debt securities — 7,467 — 7,467 Certificates of deposit — 3,685 — 3,685 U.S. agency notes — 898 — 898 Commercial paper — 522 — 522 Foreign government agency securities — 49 — 49 Non-agency commercial mortgage-backed securities — 14 — 14 Total available for sale securities — 66,578 — 66,578 Total $ 3,899 $ 76,181 $ — $ 80,080 Fair Value of Other Financial Instruments The following tables present the fair value hierarchy for other financial instruments: September 30, 2019 Carrying Level 1 Level 2 Level 3 Balance at Assets Cash and cash equivalents $ 15,136 $ — $ 15,136 $ — $ 15,136 Cash and investments segregated and on deposit for 12,595 — 12,595 — 12,595 Receivables from brokers, dealers, and clearing 1,317 — 1,317 — 1,317 Receivables from brokerage clients — net 21,061 — 21,061 — 21,061 Held to maturity securities: U.S. agency mortgage-backed securities 114,276 — 116,012 — 116,012 Asset-backed securities 18,323 — 18,359 — 18,359 Corporate debt securities 4,659 — 4,715 — 4,715 U.S. state and municipal securities 1,306 — 1,413 — 1,413 Non-agency commercial mortgage-backed securities 1,136 — 1,164 — 1,164 U.S. Treasury securities 224 — 230 — 230 Certificates of deposit 200 — 200 — 200 Foreign government agency securities 50 — 50 — 50 Other 20 — 20 — 20 Total held to maturity securities 140,194 — 142,163 — 142,163 Bank loans — net: First Mortgages 10,630 — 10,682 — 10,682 HELOCs 1,216 — 1,255 — 1,255 Pledged asset lines 4,878 — 4,878 — 4,878 Other 171 — 171 — 171 Total bank loans — net 16,895 — 16,986 — 16,986 Other assets 617 — 617 — 617 Total $ 207,815 $ — $ 209,875 $ — $ 209,875 Liabilities Bank deposits $ 209,327 $ — $ 209,327 $ — $ 209,327 Payables to brokers, dealers, and clearing organizations 1,736 — 1,736 — 1,736 Payables to brokerage clients 35,622 — 35,622 — 35,622 Accrued expenses and other liabilities 1,252 — 1,252 — 1,252 Long-term debt 7,427 — 7,771 — 7,771 Total $ 255,364 $ — $ 255,708 $ — $ 255,708 December 31, 2018 Carrying Level 1 Level 2 Level 3 Balance at Assets Cash and cash equivalents $ 19,646 $ — $ 19,646 $ — $ 19,646 Cash and investments segregated and on deposit for 8,886 — 8,886 — 8,886 Receivables from brokers, dealers, and clearing 553 — 553 — 553 Receivables from brokerage clients — net 21,641 — 21,641 — 21,641 Held to maturity securities: U.S. agency mortgage-backed securities 118,064 — 116,093 — 116,093 Asset-backed securities 18,502 — 18,546 — 18,546 Corporate debt securities 4,477 — 4,432 — 4,432 U.S. state and municipal securities 1,327 — 1,348 — 1,348 Non-agency commercial mortgage-backed securities 1,156 — 1,142 — 1,142 U.S. Treasury securities 223 — 217 — 217 Certificates of deposit 200 — 201 — 201 Foreign government agency securities 50 — 49 — 49 Other 10 — 10 — 10 Total held to maturity securities 144,009 — 142,038 — 142,038 Bank loans — net: First Mortgages 10,370 — 10,193 — 10,193 HELOCs 1,500 — 1,583 — 1,583 Pledged asset lines 4,561 — 4,561 — 4,561 Other 178 — 178 — 178 Total bank loans — net 16,609 — 16,515 — 16,515 Other assets 460 — 460 — 460 Total $ 211,804 $ — $ 209,739 $ — $ 209,739 Liabilities Bank deposits $ 231,423 $ — $ 231,423 $ — $ 231,423 Payables to brokers, dealers, and clearing organizations 1,831 — 1,831 — 1,831 Payables to brokerage clients 32,726 — 32,726 — 32,726 Accrued expenses and other liabilities 1,370 — 1,370 — 1,370 Long-term debt 6,878 — 6,827 — 6,827 Total $ 274,228 $ — $ 274,177 $ — $ 274,177

Stockholders' Equity

Stockholders' Equity	9 Months Ended
	Sep. 30, 2019
Equity [Abstract]
Stockholders' Equity	Stockholders’ Equity On January 30, 2019, CSC publicly announced that its Board of Directors authorized a new Share Repurchase Program to repurchase up to $4.0 billion of common stock. The share repurchase authorization does not have an expiration date. During the third quarter and first nine months of 2019, CSC repurchased 20 million and 49 million shares of its common stock under this authorization for $771 million and $2.0 billion , respectively. The Company’s preferred stock issued and outstanding is as follows: Liquidation Preference Per Share Dividend Rate in Effect at September 30, 2019 Earliest Redemption Date Date at Which Dividend Rate Becomes Floating Floating Annual Rate of Three-Month LIBOR plus: Shares Issued and Outstanding (in thousands) at Carrying Value at September 30, (1) December 31, 2018 (1) September 30, 2019 December 31, 2018 Issue Date Fixed-rate: Series C 600 600 $ 1,000 $ 585 $ 585 08/03/15 6.000 % 12/01/20 N/A N/A Series D 750 750 1,000 728 728 03/07/16 5.950 % 06/01/21 N/A N/A Fixed-to-floating-rate: Series A 400 400 1,000 397 397 01/26/12 7.000 % 02/01/22 02/01/22 4.820 % Series E 6 6 100,000 591 591 10/31/16 4.625 % 03/01/22 03/01/22 3.315 % Series F 5 5 100,000 492 492 10/31/17 5.000 % 12/01/27 12/01/27 2.575 % Total preferred stock 1,761 1,761 $ 2,793 $ 2,793 (1) Represented by depositary shares, except for Series A. N/A Not applicable. Dividends declared on the Company’s preferred stock are as follows: Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Total Per Share Total Per Share Total Per Share Total Per Share Series A $ — $ — $ — $ — $ 14 $ 35.00 $ 14 $ 35.00 Series C 9 15.00 9 15.00 27 45.00 27 45.00 Series D 11 14.88 11 14.88 33 44.64 33 44.64 Series E 14 2,312.50 14 2,312.50 28 4,625.00 28 4,625.00 Series F — — — — 13 2,500.00 15 2,930.56 Total $ 34 $ 34 $ 115 $ 117

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income	9 Months Ended
	Sep. 30, 2019
Equity [Abstract]
Accumulated Other Comprehensive Income	Accumulated Other Comprehensive Income The components of other comprehensive income (loss) are as follows: 2019 2018 Three Months Ended September 30, Before Tax Net of Before Tax Net of Change in net unrealized gain (loss) on available for sale securities: Net unrealized gain (loss) $ 51 $ (12 ) $ 39 $ (43 ) $ 11 $ (32 ) Other reclassifications included in other revenue (1 ) — (1 ) — — — Amortization of amounts previously recorded upon transfer to held to maturity 10 (3 ) 7 8 (2 ) 6 Other comprehensive income (loss) $ 60 $ (15 ) $ 45 $ (35 ) $ 9 $ (26 ) 2019 2018 Nine Months Ended September 30, Before Tax Net of Before Tax Net of Change in net unrealized gain (loss) on available for sale securities: Net unrealized gain (loss) $ 496 $ (119 ) $ 377 $ (184 ) $ 45 $ (139 ) Other reclassifications included in other revenue (5 ) 1 (4 ) — — — Amortization of amounts previously recorded upon transfer to held to maturity 30 (7 ) 23 26 (6 ) 20 Other comprehensive income (loss) $ 521 $ (125 ) $ 396 $ (158 ) $ 39 $ (119 ) AOCI balances are as follows: Total AOCI Balance at June 30, 2018 $ (278 ) Available for sale securities: Net unrealized gain (loss) (32 ) Held to maturity securities: Amortization of amounts previously recorded upon transfer to held to maturity from available for sale 6 Balance at September 30, 2018 $ (304 ) Balance at June 30, 2019 $ 99 Available for sale securities: Net unrealized gain (loss), excluding transfers to available for sale from held to maturity 39 Other reclassifications included in other revenue (1 ) Held to maturity securities: Amortization of amounts previously recorded upon transfer to held to maturity from available for sale 7 Balance at September 30, 2019 $ 144 Total AOCI Balance at December 31, 2017 $ (152 ) Adoption of accounting standards (33 ) Available for sale securities: Net unrealized gain (loss) (139 ) Held to maturity securities: Amortization of amounts previously recorded upon transfer to held to maturity from available for sale 20 Balance at September 30, 2018 $ (304 ) Balance at December 31, 2018 $ (252 ) Available for sale securities: Net unrealized gain (loss), excluding transfers to available for sale from held to maturity 358 Net unrealized gain on securities transferred to available for sale from held to maturity (1) 19 Other reclassifications included in other revenue (4 ) Held to maturity securities: Amortization of amounts previously recorded upon transfer to held to maturity from available for sale 23 Balance at September 30, 2019 $ 144 (1) As part of the adoption of ASU 2017-12, in the first quarter of 2019, the Company made a one-time election to transfer a portion of its HTM securities to AFS. The transfer resulted in a net of tax increase to AOCI of $19 million . See Notes 2 and 4 for additional discussion on the transfer of HTM securities to AFS.

Regulatory Requirements

Regulatory Requirements	9 Months Ended
	Sep. 30, 2019
Banking and Thrift [Abstract]
Regulatory Requirements	Regulatory Requirements At September 30, 2019 , CSC and CSB met all of their respective capital requirements. The regulatory capital and ratios for CSC (consolidated) and CSB are as follows: Actual (1) Minimum to be Minimum Capital Requirement September 30, 2019 Amount Ratio Amount Ratio Amount Ratio (2) CSC Common Equity Tier 1 Risk-Based Capital $ 17,264 20.0 % N/A $ 3,877 4.5 % Tier 1 Risk-Based Capital 20,057 23.3 % N/A 5,170 6.0 % Total Risk-Based Capital 20,075 23.3 % N/A 6,893 8.0 % Tier 1 Leverage 20,057 7.3 % N/A 10,945 4.0 % Supplementary Leverage Ratio (1) 20,057 7.1 % N/A 8,418 3.0 % CSB Common Equity Tier 1 Risk-Based Capital $ 15,577 22.9 % $ 4,430 6.5 % $ 3,067 4.5 % Tier 1 Risk-Based Capital 15,577 22.9 % 5,452 8.0 % 4,089 6.0 % Total Risk-Based Capital 15,594 22.9 % 6,815 10.0 % 5,452 8.0 % Tier 1 Leverage 15,577 7.4 % 10,537 5.0 % 8,429 4.0 % Supplementary Leverage Ratio (1) 15,577 7.2 % N/A N/A 6,524 3.0 % December 31, 2018 CSC Common Equity Tier 1 Risk-Based Capital $ 16,813 17.6 % N/A $ 4,295 4.5 % Tier 1 Risk-Based Capital 19,606 20.5 % N/A 5,726 6.0 % Total Risk-Based Capital 19,628 20.6 % N/A 7,635 8.0 % Tier 1 Leverage 19,606 7.1 % N/A 11,058 4.0 % CSB Common Equity Tier 1 Risk-Based Capital $ 15,832 19.7 % $ 5,233 6.5 % $ 3,623 4.5 % Tier 1 Risk-Based Capital 15,832 19.7 % 6,441 8.0 % 4,831 6.0 % Total Risk-Based Capital 15,853 19.7 % 8,051 10.0 % 6,441 8.0 % Tier 1 Leverage 15,832 7.2 % 11,044 5.0 % 8,836 4.0 % (1) Beginning in 2019, CSC and CSB are subject to the “advanced approaches” framework under the Basel III capital rule. As a result, we are now required to include all components of AOCI in regulatory capital and report our supplementary leverage ratio, which is calculated as Tier 1 capital divided by total leverage exposure. Total leverage exposure includes all on-balance sheet assets and certain off-balance sheet exposures, including unused commitments. Prior to 2019, CSC and CSB elected to opt-out of the requirement to include most components of AOCI in Common Equity Tier 1 Capital; the amounts and ratios for December 31, 2018 are presented on this basis. (2) Under the Basel III capital rule, CSC and CSB are also required to maintain a capital conservation buffer and, beginning in 2019, a countercyclical capital buffer above the regulatory minimum risk-based capital ratios. The capital conservation buffer became 2.5% on January 1, 2019 (1.875% at December 31, 2018). At September 30, 2019 , the countercyclical capital buffer was zero percent. If either buffer falls below the minimum requirement, the Company would be subject to limits on capital distributions and discretionary bonus payments to executive officers. At September 30, 2019 the minimum capital requirement plus capital conservation buffer and countercyclical capital buffer for Common Equity Tier 1 Risk-Based Capital, Tier 1 Risk-Based Capital, and Total Risk-Based Capital ratios were 7.0%, 8.5%, and 10.5%, respectively. N/A Not applicable. Based on its regulatory capital ratios at September 30, 2019 , CSB is considered well capitalized (the highest category) under its respective regulatory capital rules. There are no conditions or events since September 30, 2019 that management believes have changed CSB’s capital category. In late 2017, Schwab acquired a federal savings bank charter which is now called Charles Schwab Premier Bank. At September 30, 2019 , the balance sheet of Charles Schwab Premier Bank consisted primarily of investment securities, and held total assets of $13.5 billion . Charles Schwab Premier Bank is subject to similar regulatory guidelines and requirements, and seeks to maintain a Tier 1 Leverage Ratio similar to CSB. Net capital and net capital requirements for CS&Co are as follows: September 30, 2019 December 31, 2018 Net Capital $ 2,235 $ 2,304 Minimum net capital required 0.250 0.250 2% of aggregate debit balances 440 436 Net Capital in excess of required net capital $ 1,795 $ 1,868 In accordance with the SEC Customer Protection Rule, CS&Co had portions of its cash and investments segregated for the exclusive benefit of clients at September 30, 2019 . The SEC Customer Protection Rule requires broker-dealers to segregate client fully-paid securities and cash balances not collateralizing margin positions and not swept to money market funds or bank deposit accounts. Amounts included in cash and investments segregated and on deposit for regulatory purposes represent actual balances on deposit. Cash and cash equivalents included in cash and investments segregated and on deposit for regulatory purposes are presented as part of Schwab’s cash balances in the consolidated statements of cash flows.

Segment Information

Segment Information	9 Months Ended
	Sep. 30, 2019
Segment Reporting [Abstract]
Segment Information	Segment Information Schwab’s two reportable segments are Investor Services and Advisor Services. Schwab structures the operating segments according to its clients and the services provided to those clients. The Investor Services segment provides retail brokerage and banking services to individual investors, and retirement plan services, as well as other corporate brokerage services, to businesses and their employees. The Advisor Services segment provides custodial, trading, banking, and support services, as well as retirement business services, to independent RIAs, independent retirement advisors, and recordkeepers. Revenues and expenses are allocated to the two segments based on which segment services the client. Management evaluates the performance of the segments on a pre-tax basis. Segment assets and liabilities are not used for evaluating segment performance or in deciding how to allocate resources to segments. There are no revenues from transactions between the segments. Financial information for the segments is presented in the following tables: Investor Services Advisor Services Total Three Months Ended September 30, 2019 2018 2019 2018 2019 2018 Net Revenues Net interest revenue $ 1,182 $ 1,138 $ 449 $ 389 $ 1,631 $ 1,527 Asset management and administration fees 586 565 239 244 825 809 Trading revenue 108 112 64 64 172 176 Other 68 53 15 14 83 67 Total net revenues 1,944 1,868 767 711 2,711 2,579 Expenses Excluding Interest 1,070 1,015 405 345 1,475 1,360 Income before taxes on income $ 874 $ 853 $ 362 $ 366 $ 1,236 $ 1,219 Investor Services Advisor Services Total Nine Months Ended September 30, 2019 2018 2019 2018 2019 2018 Net Revenues Net interest revenue $ 3,531 $ 3,158 $ 1,390 $ 1,039 $ 4,921 $ 4,197 Asset management and administration fees 1,679 1,727 687 747 2,366 2,474 Trading revenue 329 354 202 203 531 557 Other 207 182 90 53 297 235 Total net revenues 5,746 5,421 2,369 2,042 8,115 7,463 Expenses Excluding Interest 3,189 3,069 1,190 1,042 4,379 4,111 Income before taxes on income $ 2,557 $ 2,352 $ 1,179 $ 1,000 $ 3,736 $ 3,352

New Accounting Standards (Polic

New Accounting Standards (Policy)	9 Months Ended
	Sep. 30, 2019
Accounting Changes and Error Corrections [Abstract]
Basis of Presentation	These unaudited condensed consolidated financial statements have been prepared in conformity with generally accepted accounting principles in the U.S. (GAAP), which require management to make certain estimates and assumptions that affect the reported amounts in the accompanying financial statements, and in the related disclosures. These estimates are based on information available as of the date of the condensed consolidated financial statements. While management makes its best judgment, actual amounts or results could differ from these estimates. In the opinion of management, all normal, recurring adjustments have been included for a fair statement of this interim financial information. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto, included in Schwab’s 2018 Form 10-K.
Adoption of New Accounting Standards and New Accounting Standards Not Yet Adopted	Adoption of New Accounting Standards Standard Description Date of Adoption Effects on the Financial Statements or Other Significant Matters Accounting Standards Update (ASU) 2016-02, “Leases (Topic 842)” Amends the accounting for leases by lessees and lessors. The primary change from the new guidance is the recognition of right-of-use (ROU) assets and lease liabilities by lessees for those leases classified as operating leases. Additional changes include accounting for lease origination and executory costs, required lessee reassessments during the lease term due to changes in circumstances, and expanded lease disclosures. Adoption provides for modified retrospective transition as of the beginning of the earliest comparative period presented in the financial statements in which the entity first applies the new standard or, optionally, through another transition method by which a cumulative-effect adjustment is recorded to retained earnings as of the beginning of the period of adoption. Certain transition relief is permitted if elected by the entity. January 1, 2019 The Company adopted the new lease accounting guidance as of January 1, 2019 under the optional transition method provided electing not to recast its comparative periods. In addition, the Company elected the package of practical expedients permitted under the transition guidance within the new standard, which among other things, allowed the Company to carry forward the historical lease classification. The adoption resulted in a gross up of the consolidated balance sheet due to recognition of ROU assets and lease liabilities primarily related to the CS&Co leases of office space and branches. The amounts were based on the present value of our remaining operating lease payments. The Company’s ROU assets and related lease liabilities upon adoption were $596 million and $662 million, respectively. Further details on the impact of adoption are included below in this Note as well as in Note 9. ASU 2017-08, “Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities” Shortens the amortization period for the premium on certain callable debt securities to the earliest call date. The amendments are applicable to any purchased individual debt security with an explicit and noncontingent call feature with a fixed price on a preset date. ASU 2017-08 does not impact the accounting for callable debt securities held at a discount. Adoption requires modified retrospective transition as of the beginning of the period of adoption through a cumulative-effect adjustment to retained earnings. January 1, 2019 The Company adopted this guidance as of January 1, 2019 using the modified retrospective method. Adoption resulted in an immaterial cumulative-effect adjustment to retained earnings as of the date of adoption. ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities” This ASU amends hedge accounting guidance to better align hedge accounting with risk management activities, while reducing the complexity of applying and reporting on hedge accounting. In addition, for a closed pool of prepayable financial assets, entities will be able to hedge an amount that is not expected to be affected by prepayments, defaults and other events under the “last-of-layer” method. The guidance also permits a one-time reclassification of debt securities eligible to be hedged under the “last-of-layer” method from held to maturity (HTM) to available for sale (AFS) upon adoption. January 1, 2019 The Company adopted this ASU on January 1, 2019. As part of its adoption, the Company made a one-time election to reclassify a portion of its HTM securities eligible to be hedged under the “last-of-layer” method to AFS. As of January 1, 2019, the securities reclassified had a fair value of $8.8 billion and resulted in a net of tax increase to AOCI of $19 million. The adoption of this standard had no other impact on the Company’s financial statements. New Accounting Standards Not Yet Adopted Standard Description Required Date of Adoption Effects on the Financial Statements or Other Significant Matters ASU 2016-13, “Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments” Provides guidance for recognizing impairment of most debt instruments measured at amortized cost, including loans and HTM debt securities. Requires estimating current expected credit losses (CECL) over the remaining life of an instrument or a portfolio of instruments with similar risk characteristics based on relevant information about past events, current conditions, and reasonable forecasts. The initial estimate of, and the subsequent changes in, CECL will be recognized as credit loss expense through current earnings and will be reflected as an allowance for credit losses offsetting the carrying value of the financial instrument(s) on the balance sheet. Amends the other-than-temporary impairment (OTTI) model for AFS debt securities by requiring the use of an allowance, rather than directly reducing the carrying value of the security, and eliminating consideration of the length of time such security has been in an unrealized loss position as a factor in concluding whether a credit loss exists. January 1, 2020 (early adoption permitted) The Company expects that its allowance for credit losses will increase when CECL is adopted, primarily due to an incremental allowance that will be recorded on its HTM corporate debt securities. The incremental allowance at adoption is expected to be immaterial, but the impact of adoption will depend on, among other things, the economic environment, the proportion of securities classified as AFS versus HTM, and the size and type of loan and securities portfolios held by the Company on the date of adoption. A large portion of the securities in the Company’s portfolio will have zero expectation of credit losses based on industry views and regulatory guidance for U.S. Treasury and U.S. agency mortgage-backed securities. Further, we expect to apply the practical expedient based on continuous collateral replenishment to the Company’s pledged asset lines (PALs) and margin loans. The Company has completed the development of credit loss estimation methods for loans and the securities in its portfolio that do not have zero expectation of credit losses, including corporate debt securities and structured products. We are continuing the development of CECL policies and processes and testing and validation of credit loss estimation methods. We have also completed the first of the two planned quarterly CECL parallel runs. Standard Description Required Date of Adoption Effects on the Financial Statements or Other Significant Matters ASU 2018-15, “Intangibles–Goodwill and Other–Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force)” Aligns the criteria for capitalizing implementation costs for cloud computing arrangements (CCA) that are service contracts with internal-use software that is developed or purchased and CCAs that include an internal-use software license. This guidance requires that the capitalized implementation costs be recognized over the period of the CCA service contract, subject to impairment evaluation on an ongoing basis. The guidance prescribes the balance sheet, income statement, and statement of cash flow classification of the capitalized implementation costs and related amortization expense, and requires additional quantitative and qualitative disclosures. Adoption provides for retrospective or prospective application to all implementation costs incurred after the date of adoption. January 1, 2020 (early adoption permitted) Historically, Schwab has expensed implementation costs as they are incurred for CCAs that are service contracts. Therefore, adopting this guidance will change the Company’s accounting treatment for these types of implementation costs. The Company plans to adopt this guidance on a prospective basis and continues to evaluate the impacts of this guidance on its financial statements, including EPS.

New Accounting Standards (Table

New Accounting Standards (Tables)	9 Months Ended
	Sep. 30, 2019
Accounting Changes and Error Corrections [Abstract]
Schedule of New Accounting Pronouncements	Adoption of New Accounting Standards Standard Description Date of Adoption Effects on the Financial Statements or Other Significant Matters Accounting Standards Update (ASU) 2016-02, “Leases (Topic 842)” Amends the accounting for leases by lessees and lessors. The primary change from the new guidance is the recognition of right-of-use (ROU) assets and lease liabilities by lessees for those leases classified as operating leases. Additional changes include accounting for lease origination and executory costs, required lessee reassessments during the lease term due to changes in circumstances, and expanded lease disclosures. Adoption provides for modified retrospective transition as of the beginning of the earliest comparative period presented in the financial statements in which the entity first applies the new standard or, optionally, through another transition method by which a cumulative-effect adjustment is recorded to retained earnings as of the beginning of the period of adoption. Certain transition relief is permitted if elected by the entity. January 1, 2019 The Company adopted the new lease accounting guidance as of January 1, 2019 under the optional transition method provided electing not to recast its comparative periods. In addition, the Company elected the package of practical expedients permitted under the transition guidance within the new standard, which among other things, allowed the Company to carry forward the historical lease classification. The adoption resulted in a gross up of the consolidated balance sheet due to recognition of ROU assets and lease liabilities primarily related to the CS&Co leases of office space and branches. The amounts were based on the present value of our remaining operating lease payments. The Company’s ROU assets and related lease liabilities upon adoption were $596 million and $662 million, respectively. Further details on the impact of adoption are included below in this Note as well as in Note 9. ASU 2017-08, “Receivables – Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities” Shortens the amortization period for the premium on certain callable debt securities to the earliest call date. The amendments are applicable to any purchased individual debt security with an explicit and noncontingent call feature with a fixed price on a preset date. ASU 2017-08 does not impact the accounting for callable debt securities held at a discount. Adoption requires modified retrospective transition as of the beginning of the period of adoption through a cumulative-effect adjustment to retained earnings. January 1, 2019 The Company adopted this guidance as of January 1, 2019 using the modified retrospective method. Adoption resulted in an immaterial cumulative-effect adjustment to retained earnings as of the date of adoption. ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities” This ASU amends hedge accounting guidance to better align hedge accounting with risk management activities, while reducing the complexity of applying and reporting on hedge accounting. In addition, for a closed pool of prepayable financial assets, entities will be able to hedge an amount that is not expected to be affected by prepayments, defaults and other events under the “last-of-layer” method. The guidance also permits a one-time reclassification of debt securities eligible to be hedged under the “last-of-layer” method from held to maturity (HTM) to available for sale (AFS) upon adoption. January 1, 2019 The Company adopted this ASU on January 1, 2019. As part of its adoption, the Company made a one-time election to reclassify a portion of its HTM securities eligible to be hedged under the “last-of-layer” method to AFS. As of January 1, 2019, the securities reclassified had a fair value of $8.8 billion and resulted in a net of tax increase to AOCI of $19 million. The adoption of this standard had no other impact on the Company’s financial statements. New Accounting Standards Not Yet Adopted Standard Description Required Date of Adoption Effects on the Financial Statements or Other Significant Matters ASU 2016-13, “Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments” Provides guidance for recognizing impairment of most debt instruments measured at amortized cost, including loans and HTM debt securities. Requires estimating current expected credit losses (CECL) over the remaining life of an instrument or a portfolio of instruments with similar risk characteristics based on relevant information about past events, current conditions, and reasonable forecasts. The initial estimate of, and the subsequent changes in, CECL will be recognized as credit loss expense through current earnings and will be reflected as an allowance for credit losses offsetting the carrying value of the financial instrument(s) on the balance sheet. Amends the other-than-temporary impairment (OTTI) model for AFS debt securities by requiring the use of an allowance, rather than directly reducing the carrying value of the security, and eliminating consideration of the length of time such security has been in an unrealized loss position as a factor in concluding whether a credit loss exists. January 1, 2020 (early adoption permitted) The Company expects that its allowance for credit losses will increase when CECL is adopted, primarily due to an incremental allowance that will be recorded on its HTM corporate debt securities. The incremental allowance at adoption is expected to be immaterial, but the impact of adoption will depend on, among other things, the economic environment, the proportion of securities classified as AFS versus HTM, and the size and type of loan and securities portfolios held by the Company on the date of adoption. A large portion of the securities in the Company’s portfolio will have zero expectation of credit losses based on industry views and regulatory guidance for U.S. Treasury and U.S. agency mortgage-backed securities. Further, we expect to apply the practical expedient based on continuous collateral replenishment to the Company’s pledged asset lines (PALs) and margin loans. The Company has completed the development of credit loss estimation methods for loans and the securities in its portfolio that do not have zero expectation of credit losses, including corporate debt securities and structured products. We are continuing the development of CECL policies and processes and testing and validation of credit loss estimation methods. We have also completed the first of the two planned quarterly CECL parallel runs. Standard Description Required Date of Adoption Effects on the Financial Statements or Other Significant Matters ASU 2018-15, “Intangibles–Goodwill and Other–Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force)” Aligns the criteria for capitalizing implementation costs for cloud computing arrangements (CCA) that are service contracts with internal-use software that is developed or purchased and CCAs that include an internal-use software license. This guidance requires that the capitalized implementation costs be recognized over the period of the CCA service contract, subject to impairment evaluation on an ongoing basis. The guidance prescribes the balance sheet, income statement, and statement of cash flow classification of the capitalized implementation costs and related amortization expense, and requires additional quantitative and qualitative disclosures. Adoption provides for retrospective or prospective application to all implementation costs incurred after the date of adoption. January 1, 2020 (early adoption permitted) Historically, Schwab has expensed implementation costs as they are incurred for CCAs that are service contracts. Therefore, adopting this guidance will change the Company’s accounting treatment for these types of implementation costs. The Company plans to adopt this guidance on a prospective basis and continues to evaluate the impacts of this guidance on its financial statements, including EPS. The cumulative effect of the changes made to our consolidated January 1, 2019 balance sheet for the adoption of ASU 2016-02, Leases (Topic 842) were as follows: Balance at Adjustments Due to ASU 2016-02 Balance at Assets Other assets (1) $ 2,046 $ 588 $ 2,634 Liabilities Accrued expenses and other liabilities (2) $ 2,954 $ 588 $ 3,542 (1) The adoption adjustment is comprised of two parts: 1) an increase of $596 million for the recognition of the January 1, 2019 ROU asset and 2) an $8 million decrease related to prepaid rent and initial direct costs, which were reclassified to the ROU asset upon adoption of ASU 2016-02. (2) The adoption adjustment is comprised of two parts: 1) an increase of $662 million for the recognition of the January 1, 2019 lease liability and 2) a $74 million decrease related to deferred rent and lease incentives, which were reclassified to the ROU asset upon adoption of ASU 2016-02.

Revenue Recognition (Tables)

Revenue Recognition (Tables)	9 Months Ended
	Sep. 30, 2019
Revenue from Contract with Customer [Abstract]
Disaggregation of Schwab's Revenue	Disaggregation of Schwab’s revenue by major source is as follows: Three Months Ended Nine Months Ended 2019 2018 2019 2018 Net interest revenue Interest revenue $ 1,892 $ 1,755 $ 5,817 $ 4,766 Interest expense (261 ) (228 ) (896 ) (569 ) Net interest revenue 1,631 1,527 4,921 4,197 Asset management and administration fees Mutual funds, ETFs, and CTFs (1) 445 446 1,287 1,419 Advice solutions 305 294 878 859 Other (1) 75 69 201 196 Asset management and administration fees 825 809 2,366 2,474 Trading revenue Commissions 159 155 477 501 Principal transactions 13 21 54 56 Trading revenue 172 176 531 557 Other 83 67 297 235 Total net revenues $ 2,711 $ 2,579 $ 8,115 $ 7,463 (1) Beginning in the first quarter of 2019, a change was made to move CTFs from other asset management and administration fees. Prior periods have been recast to reflect this change.

Investment Securities (Tables)

Investment Securities (Tables)	9 Months Ended
	Sep. 30, 2019
Investments, Debt and Equity Securities [Abstract]
Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Securities Available for Sale and Securities Held to Maturity	The amortized cost, gross unrealized gains and losses, and fair value of AFS and HTM securities are as follows: September 30, 2019 Amortized Gross Gross Fair Available for sale securities U.S. agency mortgage-backed securities $ 40,179 $ 299 $ 47 $ 40,431 U.S. Treasury securities 5,034 3 10 5,027 Asset-backed securities (1) 4,773 35 7 4,801 Corporate debt securities (2) 4,630 57 1 4,686 Certificates of deposit 1,000 4 — 1,004 Commercial paper (2,3) 520 1 — 521 Non-agency commercial mortgage-backed securities 13 — — 13 Total available for sale securities $ 56,149 $ 399 $ 65 $ 56,483 Held to maturity securities U.S. agency mortgage-backed securities $ 114,276 $ 1,974 $ 238 $ 116,012 Asset-backed securities (1) 18,323 74 38 18,359 Corporate debt securities (2) 4,659 58 2 4,715 U.S. state and municipal securities 1,306 107 — 1,413 Non-agency commercial mortgage-backed securities 1,136 28 — 1,164 U.S. Treasury securities 224 6 — 230 Certificates of deposit 200 — — 200 Foreign government agency securities 50 — — 50 Other 20 — — 20 Total held to maturity securities $ 140,194 $ 2,247 $ 278 $ 142,163 December 31, 2018 Available for sale securities U.S. agency mortgage-backed securities $ 25,594 $ 44 $ 82 $ 25,556 U.S. Treasury securities 18,410 — 108 18,302 Asset-backed securities (1) 10,086 14 15 10,085 Corporate debt securities (2) 7,477 10 20 7,467 Certificates of deposit 3,682 4 1 3,685 U.S. agency notes 900 — 2 898 Commercial paper (2,3) 522 — — 522 Foreign government agency securities 50 — 1 49 Non-agency commercial mortgage-backed securities 14 — — 14 Total available for sale securities $ 66,735 $ 72 $ 229 $ 66,578 Held to maturity securities U.S. agency mortgage-backed securities $ 118,064 $ 217 $ 2,188 $ 116,093 Asset-backed securities (1) 18,502 83 39 18,546 Corporate debt securities (2) 4,477 2 47 4,432 U.S. state and municipal securities 1,327 24 3 1,348 Non-agency commercial mortgage-backed securities 1,156 3 17 1,142 U.S. Treasury securities 223 — 6 217 Certificates of deposit 200 1 — 201 Foreign government agency securities 50 — 1 49 Other 10 — — 10 Total held to maturity securities $ 144,009 $ 330 $ 2,301 $ 142,038 (1) Approximately 43% and 36% of asset-backed securities held as of September 30, 2019 and December 31, 2018 , respectively, were Federal Family Education Loan Program Asset-Backed Securities. Asset-backed securities collateralized by credit card receivables represented approximately 42% of the asset-backed securities held as of September 30, 2019 and December 31, 2018 . (2) As of September 30, 2019 and December 31, 2018 , approximately 35% and 26% , respectively, of the total AFS and HTM investments in corporate debt securities and commercial paper were issued by institutions in the financial services industry. Approximately 18% of the holdings of these securities were issued by institutions in the information technology industry as of September 30, 2019 and December 31, 2018 . (3) Included in cash and cash equivalents on the condensed consolidated balance sheets, but excluded from this table is $0.9 billion and $4.9 billion of AFS commercial paper as of September 30, 2019 and December 31, 2018 , respectively. These holdings have maturities of three months or less at the time of acquisition and an aggregate market value equal to amortized cost.
Securities with Unrealized Losses, Aggregated by Category and Period of Continuous Unrealized Loss	Securities with unrealized losses, aggregated by category and period of continuous unrealized loss, are as follows: Less than 12 months 12 months or longer Total September 30, 2019 Fair Unrealized Fair Unrealized Fair Unrealized Available for sale securities U.S. agency mortgage-backed securities $ 12,063 $ 24 $ 6,317 $ 23 $ 18,380 $ 47 U.S. Treasury securities 377 — 3,161 10 3,538 10 Asset-backed securities 763 1 398 6 1,161 7 Corporate debt securities 149 1 499 — 648 1 Total $ 13,352 $ 26 $ 10,375 $ 39 $ 23,727 $ 65 Held to maturity securities U.S. agency mortgage-backed securities $ 11,838 $ 37 $ 20,897 $ 201 $ 32,735 $ 238 Asset-backed securities 7,638 34 556 4 8,194 38 Corporate debt securities 416 1 354 1 770 2 Total $ 19,892 $ 72 $ 21,807 $ 206 $ 41,699 $ 278 Total securities with unrealized losses (1) $ 33,244 $ 98 $ 32,182 $ 245 $ 65,426 $ 343 December 31, 2018 Available for sale securities U.S. agency mortgage-backed securities $ 9,529 $ 32 $ 4,257 $ 50 $ 13,786 $ 82 U.S. Treasury securities 4,951 6 7,037 102 11,988 108 Asset-backed securities 4,050 9 837 6 4,887 15 Corporate debt securities 3,561 19 254 1 3,815 20 Certificates of deposit 1,217 1 150 — 1,367 1 U.S. agency notes 195 — 304 2 499 2 Foreign government agency securities — — 49 1 49 1 Total $ 23,503 $ 67 $ 12,888 $ 162 $ 36,391 $ 229 Held to maturity securities U.S. agency mortgage-backed securities $ 29,263 $ 222 $ 56,435 $ 1,966 $ 85,698 $ 2,188 Asset-backed securities 6,795 35 376 4 7,171 39 Corporate debt securities 2,909 29 1,066 18 3,975 47 U.S. state and municipal securities 77 2 18 1 95 3 Non-agency commercial mortgage-backed securities 283 2 632 15 915 17 U.S. Treasury securities — — 218 6 218 6 Foreign government agency securities — — 49 1 49 1 Total $ 39,327 $ 290 $ 58,794 $ 2,011 $ 98,121 $ 2,301 Total securities with unrealized losses (2) $ 62,830 $ 357 $ 71,682 $ 2,173 $ 134,512 $ 2,530 (1) The number of investment positions with unrealized losses totaled 343 for AFS securities and 625 for HTM securities. (2) The number of investment positions with unrealized losses totaled 441 for AFS securities and 1,524
Maturities of Securities Available for Sale and Securities Held to Maturity	The maturities of AFS and HTM securities are as follows: September 30, 2019 Within After 1 year After 5 years After Total Available for sale securities U.S. agency mortgage-backed securities $ 51 $ 1,909 $ 11,061 $ 27,410 $ 40,431 U.S. Treasury securities 3,541 1,486 — — 5,027 Asset-backed securities 35 3,752 794 220 4,801 Corporate debt securities 1,100 3,415 171 — 4,686 Certificates of deposit 501 503 — — 1,004 Commercial paper 521 — — — 521 Non-agency commercial mortgage-backed securities — — — 13 13 Total fair value $ 5,749 $ 11,065 $ 12,026 $ 27,643 $ 56,483 Total amortized cost $ 5,743 $ 10,994 $ 11,996 $ 27,416 $ 56,149 Held to maturity securities U.S. agency mortgage-backed securities $ 663 $ 15,472 $ 35,048 $ 64,829 $ 116,012 Asset-backed securities — 3,227 7,940 7,192 18,359 Corporate debt securities 778 3,079 858 — 4,715 U.S. state and municipal securities — 99 452 862 1,413 Non-agency commercial mortgage-backed securities — 367 — 797 1,164 U.S. Treasury securities — — 230 — 230 Certificates of deposit 200 — — — 200 Foreign government agency securities — 50 — — 50 Other — — — 20 20 Total fair value $ 1,641 $ 22,294 $ 44,528 $ 73,700 $ 142,163 Total amortized cost $ 1,637 $ 21,989 $ 43,368 $ 73,200 $ 140,194
Proceeds and Gross Realized Gains And Losses from Sales of Securities Available for Sale	Proceeds and gross realized gains and losses from sales of AFS securities are as follows: Three Months Ended Nine Months Ended September 30, 2019 2018 2019 2018 Proceeds $ 5,436 $ — $ 21,710 $ 115 Gross realized gains 5 — 15 — Gross realized losses 4 — 10 —

Bank Loans and Related Allowa_2

Bank Loans and Related Allowance for Loan Losses (Tables)	9 Months Ended
	Sep. 30, 2019
Receivables [Abstract]
Composition of Bank Loans and Delinquency Analysis by Loan Segment	The composition of bank loans and delinquency analysis by loan type is as follows: September 30, 2019 Current 30-59 days 60-89 days > 90 days past (3) Total past due Total Allowance Total First Mortgages (1,2) $ 10,607 $ 20 $ 2 $ 11 $ 33 $ 10,640 $ 10 $ 10,630 HELOCs (1,2) 1,208 3 1 8 12 1,220 4 1,216 Pledged asset lines 4,876 2 — — 2 4,878 — 4,878 Other 172 — — 2 2 174 3 171 Total bank loans $ 16,863 $ 25 $ 3 $ 21 $ 49 $ 16,912 $ 17 $ 16,895 December 31, 2018 First Mortgages (1,2) $ 10,349 $ 21 $ 2 $ 12 $ 35 $ 10,384 $ 14 $ 10,370 HELOCs (1,2) 1,493 3 1 8 12 1,505 5 1,500 Pledged asset lines 4,558 3 — — 3 4,561 — 4,561 Other 180 — — — — 180 2 178 Total bank loans $ 16,580 $ 27 $ 3 $ 20 $ 50 $ 16,630 $ 21 $ 16,609 (1) First Mortgages and HELOCs include unamortized premiums and discounts and direct origination costs of $71 million and $73 million at September 30, 2019 and December 31, 2018 , respectively. (2) At September 30, 2019 and December 31, 2018 , 46% and 47% , respectively, of the First Mortgage and HELOC portfolios were concentrated in California. These loans have performed in a manner consistent with the portfolio as a whole. (3) There were no loans accruing interest that were contractually 90 days or more past due at September 30, 2019 or December 31, 2018 .
Changes in Allowance for Loan Losses	Changes in the allowance for loan losses were as follows: September 30, 2019 September 30, 2018 Three Months Ended First Mortgages HELOCs Other Total (1) First Mortgages HELOCs Other Total (1) Balance at beginning of period $ 12 $ 5 $ 2 $ 19 $ 17 $ 7 $ 2 $ 26 Charge-offs — — — — — — — — Recoveries — — — — — 1 — 1 Provision for loan losses (2 ) (1 ) 1 (2 ) — (1 ) — (1 ) Balance at end of period $ 10 $ 4 $ 3 $ 17 $ 17 $ 7 $ 2 $ 26 September 30, 2019 September 30, 2018 Nine Months Ended First Mortgages HELOCs Other Total (1) First Mortgages HELOCs Other Total (1) Balance at beginning of period $ 14 $ 5 $ 2 $ 21 $ 16 $ 8 $ 2 $ 26 Charge-offs — — — — — — (1 ) (1 ) Recoveries 1 1 — 2 — 2 — 2 Provision for loan losses (5 ) (2 ) 1 (6 ) 1 (3 ) 1 (1 ) Balance at end of period $ 10 $ 4 $ 3 $ 17 $ 17 $ 7 $ 2 $ 26 (1) All PALs were fully collateralized by securities with fair values in excess of borrowings as of each period presented.
Impaired Bank Loan Related Assets	A summary of impaired bank loan-related assets is as follows: September 30, 2019 December 31, 2018 Nonaccrual loans (1) $ 21 $ 21 Other real estate owned (2) 2 3 Total nonperforming assets 23 24 Troubled debt restructurings 2 4 Total impaired assets $ 25 $ 28 (1) Nonaccrual loans include nonaccrual troubled debt restructurings. (2) Included in other assets on the condensed consolidated balance sheets.
Credit Quality Indicators of Bank Loan Portfolio	The credit quality indicators of the Company’s bank loan portfolio are detailed below: September 30, 2019 Balance Weighted Average Percent of First Mortgages Estimated Current LTV < 70% $ 9,574 776 0.03 % >70% – < 90% 1,061 770 0.28 % >90% – < 100% 4 756 — >100% 1 768 — Total $ 10,640 776 0.05 % HELOCs Estimated Current LTV (1) < 70% $ 1,157 769 0.25 % >70% – < 90% 58 751 0.83 % >90% – < 100% 3 716 5.06 % >100% 2 659 — Total $ 1,220 768 0.29 % Pledged asset lines Weighted-Average LTV (1) =70% $ 4,878 767 — December 31, 2018 Balance Weighted Average Percent of First Mortgages Estimated Current LTV < 70% $ 9,396 776 0.04 % >70% – < 90% 985 769 0.41 % >90% – < 100% 2 717 — >100% 1 753 — Total $ 10,384 775 0.07 % HELOCs Estimated Current LTV (1) < 70% $ 1,416 770 0.13 % >70% – < 90% 80 752 0.60 % >90% – < 100% 6 729 3.36 % >100% 3 702 — Total $ 1,505 769 0.17 % Pledged asset lines Weighted-Average LTV (1) =70% $ 4,561 766 — (1) Represents the LTV for the full line of credit (drawn and undrawn). September 30, 2019 First Mortgages HELOCs Year of origination Pre-2015 $ 1,815 $ 872 2015 889 85 2016 2,382 82 2017 2,137 90 2018 1,611 67 2019 1,806 24 Total $ 10,640 $ 1,220 Origination FICO <620 $ 4 $ — 620 – 679 76 6 680 – 739 1,624 236 > 740 8,936 978 Total $ 10,640 $ 1,220 Origination LTV < 70% $ 7,980 $ 869 >70% – < 90% 2,656 346 >90% – < 100% 4 5 Total $ 10,640 $ 1,220 December 31, 2018 First Mortgages HELOCs Year of origination Pre-2015 $ 2,387 $ 1,140 2015 1,050 106 2016 2,606 95 2017 2,366 99 2018 1,975 65 Total $ 10,384 $ 1,505 Origination FICO <620 $ 5 $ — 620 – 679 83 8 680 – 739 1,626 282 > 740 8,670 1,215 Total $ 10,384 $ 1,505 Origination LTV < 70% $ 7,815 $ 1,064 >70% – < 90% 2,564 434 >90% – < 100% 5 7 Total $ 10,384 $ 1,505
Converting to Amortizing Loans	The following table presents when current outstanding HELOCs will convert to amortizing loans: September 30, 2019 Balance Converted to an amortizing loan by period end $ 551 Within 1 year 52 > 1 year – 3 years 84 > 3 years – 5 years 170 > 5 years 363 Total $ 1,220

Variable Interest Entities (Tab

Variable Interest Entities (Tables)	9 Months Ended
	Sep. 30, 2019
Variable Interest Entities [Abstract]
Aggregate Assets, Liabilities and Maximum Exposure to Loss	The aggregate assets, liabilities, and maximum exposure to loss from those VIEs in which Schwab holds a variable interest, but is not the primary beneficiary, are summarized in the table below: September 30, 2019 December 31, 2018 Aggregate Aggregate Maximum Aggregate Aggregate Maximum LIHTC investments (1) $ 498 $ 298 $ 498 $ 338 $ 188 $ 338 Other CRA investments (2) 91 — 125 70 — 124 Total $ 589 $ 298 $ 623 $ 408 $ 188 $ 462 (1) Aggregate assets and aggregate liabilities are included in other assets and accrued expenses and other liabilities, respectively, on the condensed consolidated balance sheets. (2) Other CRA investments are recorded using either the adjusted cost method, equity method, or as HTM securities. Aggregate assets are included in HTM securities, bank loans – net, or other assets on the condensed consolidated balance sheets.

Bank Deposits (Tables)

Bank Deposits (Tables)	9 Months Ended
	Sep. 30, 2019
Banking and Thrift [Abstract]
Deposits from Banking Clients Consisting of Interest Bearing and Noninterest Bearing Deposits	Bank deposits consist of interest-bearing and non-interest-bearing deposits as follows: September 30, 2019 December 31, 2018 Interest-bearing deposits: Deposits swept from brokerage accounts $ 191,456 $ 212,311 Checking 12,020 12,523 Savings and other 5,146 5,827 Total interest-bearing deposits 208,622 230,661 Non-interest-bearing deposits 705 762 Total bank deposits $ 209,327 $ 231,423

Borrowings (Tables)

Borrowings (Tables)	9 Months Ended
	Sep. 30, 2019
Debt Disclosure [Abstract]
Long-term Debt Including Unamortized Debt Discounts and Premiums	The following table lists long-term debt by instrument outstanding as of September 30, 2019 and December 31, 2018 : Date of Principal Amount Outstanding Issuance September 30, 2019 December 31, 2018 Fixed-rate Senior Notes: 4.450% due July 22, 2020 07/22/10 $ 700 $ 700 3.250% due May 21, 2021 05/22/18 600 600 3.225% due September 1, 2022 08/29/12 256 256 2.650% due January 25, 2023 12/07/17 800 800 3.550% due February 1, 2024 10/31/18 500 500 3.000% due March 10, 2025 03/10/15 375 375 3.850% due May 21, 2025 05/22/18 750 750 3.450% due February 13, 2026 11/13/15 350 350 3.200% due March 2, 2027 03/02/17 650 650 3.200% due January 25, 2028 12/07/17 700 700 4.000% due February 1, 2029 10/31/18 600 600 3.250% due May 22, 2029 05/22/19 600 — Floating-rate Senior Notes: Three-month LIBOR + 0.32% due May 21, 2021 05/22/18 600 600 Total Senior Notes 7,481 6,881 5.450% Finance lease obligation (1) 06/04/04 — 52 Unamortized discount — net (14 ) (15 ) Debt issuance costs (40 ) (40 ) Total long-term debt $ 7,427 $ 6,878 (1) The finance lease obligation was extinguished through an assignment agreement during the first quarter of 2019.
Annual Maturities on Long-term Debt Outstanding	Annual maturities on long-term debt outstanding at September 30, 2019 are as follows: Maturities 2019 $ — 2020 700 2021 1,200 2022 256 2023 800 Thereafter 4,525 Total maturities 7,481 Unamortized discount — net (14 ) Debt issuance costs (40 ) Total long-term debt $ 7,427

Leases (Tables)

Leases (Tables)	9 Months Ended
	Sep. 30, 2019
Leases [Abstract]
Schedule of Leases	The following table details the amounts and locations of lease assets and liabilities on the condensed consolidated balance sheet: Leases Balance Sheet Classification September 30, 2019 Assets Operating lease assets Other assets $ 596 Liabilities Operating lease liabilities Accrued expenses and other liabilities $ 665
Schedule of Lease Cost and Lease Term and Discount Rate	The components of lease expense are as follows: Lease Cost Three Months Ended Nine Months Ended Operating lease cost (1) $ 34 $ 100 Variable lease cost (2) 8 25 (1) Includes short-term leases, which are immaterial. (2) Includes payments that are entirely variable and amounts that represent the difference between payments based on an index or rate that would be reflected in the lease liability and what is actually incurred. The following tables present supplemental lease information as of September 30, 2019 : Lease Term and Discount Rate Weighted-average remaining lease term (years) 7.18 Weighted-average discount rate 3.47 %
Schedule of Maturity of Lease Liabilities	Maturity of Lease Liabilities Operating Leases (1) 2019 $ 26 2020 136 2021 113 2022 92 2023 84 Thereafter 309 Total lease payments 760 Less: Interest 95 Present value of lease liabilities $ 665 (1) Operating lease payments exclude $41 million of legally binding minimum lease payments for leases signed but not yet commenced. These leases will commence between 2019 and 2020 with lease terms of five years to 20 years.
Schedule of Maturity of Lease Liabilities, Before 842	In accordance with the disclosure requirements for our adoption of ASU 2016-02, the Company is presenting the operating leases commitment table as of December 31, 2018. The following table is unchanged from the disclosure in Note 14 in the 2018 Form 10-K: Operating Subleases Net 2019 $ 131 $ 4 $ 127 2020 125 4 121 2021 101 4 97 2022 79 2 77 2023 72 1 71 Thereafter 282 — 282 Total $ 790 $ 15 $ 775

Commitments and Contingencies (

Commitments and Contingencies (Tables)	9 Months Ended
	Sep. 30, 2019
Commitments and Contingencies Disclosure [Abstract]
Schedule of Commitments to Purchase or Sell	The Company’s commitments to extend credit on bank lines of credit and to purchase First Mortgages are as follows: September 30, 2019 December 31, 2018 Commitments to extend credit related to unused HELOCs, PALs, and other lines of credit $ 11,234 $ 11,046 Commitments to purchase First Mortgage loans 1,976 268 Total $ 13,210 $ 11,314

Financial Instruments Subject_2

Financial Instruments Subject to Off-Balance Sheet Credit Risk (Tables)	9 Months Ended
	Sep. 30, 2019
Offsetting [Abstract]
Offsetting Assets and Liabilities	The following table presents information about our resale agreements and securities lending activity depicting the potential effect of rights of setoff between these recognized assets and recognized liabilities at September 30, 2019 and December 31, 2018 : Gross Gross Amounts Net Amounts Gross Amounts Not Offset in the Net Counterparty Collateral September 30, 2019 Assets Resale agreements (1) $ 9,707 $ — $ 9,707 $ — $ (9,707 ) (2) $ — Securities borrowed (3) 877 — 877 (871 ) (6 ) — Total $ 10,584 $ — $ 10,584 $ (871 ) $ (9,713 ) $ — Liabilities Securities loaned (4,5) $ 1,471 $ — $ 1,471 $ (871 ) $ (489 ) $ 111 Total $ 1,471 $ — $ 1,471 $ (871 ) $ (489 ) $ 111 December 31, 2018 Assets Resale agreements (1) $ 7,195 $ — $ 7,195 $ — $ (7,195 ) (2) $ — Securities borrowed (3) 101 — 101 (98 ) (3 ) — Total $ 7,296 $ — $ 7,296 $ (98 ) $ (7,198 ) $ — Liabilities Securities loaned (4,5) $ 1,184 $ — $ 1,184 $ (98 ) $ (975 ) $ 111 Total $ 1,184 $ — $ 1,184 $ (98 ) $ (975 ) $ 111 (1) Included in cash and investments segregated and on deposit for regulatory purposes in the condensed consolidated balance sheets. (2) Actual collateral was greater than or equal to 102% of the related assets. At September 30, 2019 and December 31, 2018 , the fair value of collateral received in connection with resale agreements that are available to be repledged or sold was $9.9 billion and $7.4 billion , respectively. (3) Included in receivables from brokers, dealers, and clearing organizations in the condensed consolidated balance sheets. (4) Included in payables to brokers, dealers, and clearing organizations in the condensed consolidated balance sheets. The cash collateral received from counterparties under securities lending transactions was equal to or greater than the market value of the securities loaned at September 30, 2019 and December 31, 2018 . (5) Securities loaned are predominantly comprised of equity securities held in client brokerage accounts with overnight and continuous remaining contractual maturities.
Summary of the Fair Value of Client Securities Available to Utilize as Collateral and Amounts Pledged	The following table summarizes the fair value of client securities that were available, under such regulations, that could have been used as collateral, and the amounts that we had pledged: September 30, 2019 December 31, 2018 Fair value of client securities available to be pledged $ 26,614 $ 26,628 Fair value of client securities pledged for: Fulfillment of requirements with the Options Clearing Corporation (1) 1,778 2,315 Fulfillment of client short sales 2,023 1,292 Securities lending to other broker-dealers 1,204 974 Total collateral pledged $ 5,005 $ 4,581 Note: Excludes amounts available and pledged for securities lending from fully-paid client securities. The fair value of fully-paid client securities available and pledged was $139 million as of September 30, 2019 and $97 million as of December 31, 2018 . (1) Client securities pledged to fulfill client margin requirements for open option contracts established with the Options Clearing Corporation.

Fair Values of Assets and Lia_2

Fair Values of Assets and Liabilities (Tables)	9 Months Ended
	Sep. 30, 2019
Fair Value Disclosures [Abstract]
Assets and Liabilities Measured at Fair Value on a Recurring Basis	The following tables present the fair value hierarchy for assets measured at fair value on a recurring basis. Liabilities recorded at fair value were not material, and therefore are not included in the following tables: September 30, 2019 Level 1 Level 2 Level 3 Balance at Cash equivalents: Money market funds $ 4,193 $ — $ — $ 4,193 Commercial paper — 923 — 923 Total cash equivalents 4,193 923 — 5,116 Investments segregated and on deposit for regulatory purposes: Certificates of deposit — 1,951 — 1,951 U.S. Government securities — 1,605 — 1,605 Total investments segregated and on deposit for regulatory purposes — 3,556 — 3,556 Other securities owned: Equity and bond mutual funds 378 — — 378 State and municipal debt obligations — 32 — 32 Equity, U.S. Government and corporate debt, and other securities 3 74 — 77 Schwab Funds ® money market funds 10 — — 10 Total other securities owned 391 106 — 497 Available for sale securities: U.S. agency mortgage-backed securities — 40,431 — 40,431 U.S. Treasury securities — 5,027 — 5,027 Asset-backed securities — 4,801 — 4,801 Corporate debt securities — 4,686 — 4,686 Certificates of deposit — 1,004 — 1,004 Commercial paper — 521 — 521 Non-agency commercial mortgage-backed securities — 13 — 13 Total available for sale securities — 56,483 — 56,483 Total $ 4,584 $ 61,068 $ — $ 65,652 December 31, 2018 Level 1 Level 2 Level 3 Balance at Cash equivalents: Money market funds $ 3,429 $ — $ — $ 3,429 Commercial paper — 4,863 — 4,863 Total cash equivalents 3,429 4,863 — 8,292 Investments segregated and on deposit for regulatory purposes: Certificates of deposit — 1,396 — 1,396 U.S. Government securities — 3,275 — 3,275 Total investments segregated and on deposit for regulatory purposes — 4,671 — 4,671 Other securities owned: Equity and bond mutual funds 441 — — 441 State and municipal debt obligations — 39 — 39 Equity, U.S. Government and corporate debt, and other securities 3 30 — 33 Schwab Funds ® money market funds 26 — — 26 Total other securities owned 470 69 — 539 Available for sale securities: U.S. agency mortgage-backed securities — 25,556 — 25,556 U.S. Treasury securities — 18,302 — 18,302 Asset-backed securities — 10,085 — 10,085 Corporate debt securities — 7,467 — 7,467 Certificates of deposit — 3,685 — 3,685 U.S. agency notes — 898 — 898 Commercial paper — 522 — 522 Foreign government agency securities — 49 — 49 Non-agency commercial mortgage-backed securities — 14 — 14 Total available for sale securities — 66,578 — 66,578 Total $ 3,899 $ 76,181 $ — $ 80,080
Fair Value of Other Financial Instruments	The following tables present the fair value hierarchy for other financial instruments: September 30, 2019 Carrying Level 1 Level 2 Level 3 Balance at Assets Cash and cash equivalents $ 15,136 $ — $ 15,136 $ — $ 15,136 Cash and investments segregated and on deposit for 12,595 — 12,595 — 12,595 Receivables from brokers, dealers, and clearing 1,317 — 1,317 — 1,317 Receivables from brokerage clients — net 21,061 — 21,061 — 21,061 Held to maturity securities: U.S. agency mortgage-backed securities 114,276 — 116,012 — 116,012 Asset-backed securities 18,323 — 18,359 — 18,359 Corporate debt securities 4,659 — 4,715 — 4,715 U.S. state and municipal securities 1,306 — 1,413 — 1,413 Non-agency commercial mortgage-backed securities 1,136 — 1,164 — 1,164 U.S. Treasury securities 224 — 230 — 230 Certificates of deposit 200 — 200 — 200 Foreign government agency securities 50 — 50 — 50 Other 20 — 20 — 20 Total held to maturity securities 140,194 — 142,163 — 142,163 Bank loans — net: First Mortgages 10,630 — 10,682 — 10,682 HELOCs 1,216 — 1,255 — 1,255 Pledged asset lines 4,878 — 4,878 — 4,878 Other 171 — 171 — 171 Total bank loans — net 16,895 — 16,986 — 16,986 Other assets 617 — 617 — 617 Total $ 207,815 $ — $ 209,875 $ — $ 209,875 Liabilities Bank deposits $ 209,327 $ — $ 209,327 $ — $ 209,327 Payables to brokers, dealers, and clearing organizations 1,736 — 1,736 — 1,736 Payables to brokerage clients 35,622 — 35,622 — 35,622 Accrued expenses and other liabilities 1,252 — 1,252 — 1,252 Long-term debt 7,427 — 7,771 — 7,771 Total $ 255,364 $ — $ 255,708 $ — $ 255,708 December 31, 2018 Carrying Level 1 Level 2 Level 3 Balance at Assets Cash and cash equivalents $ 19,646 $ — $ 19,646 $ — $ 19,646 Cash and investments segregated and on deposit for 8,886 — 8,886 — 8,886 Receivables from brokers, dealers, and clearing 553 — 553 — 553 Receivables from brokerage clients — net 21,641 — 21,641 — 21,641 Held to maturity securities: U.S. agency mortgage-backed securities 118,064 — 116,093 — 116,093 Asset-backed securities 18,502 — 18,546 — 18,546 Corporate debt securities 4,477 — 4,432 — 4,432 U.S. state and municipal securities 1,327 — 1,348 — 1,348 Non-agency commercial mortgage-backed securities 1,156 — 1,142 — 1,142 U.S. Treasury securities 223 — 217 — 217 Certificates of deposit 200 — 201 — 201 Foreign government agency securities 50 — 49 — 49 Other 10 — 10 — 10 Total held to maturity securities 144,009 — 142,038 — 142,038 Bank loans — net: First Mortgages 10,370 — 10,193 — 10,193 HELOCs 1,500 — 1,583 — 1,583 Pledged asset lines 4,561 — 4,561 — 4,561 Other 178 — 178 — 178 Total bank loans — net 16,609 — 16,515 — 16,515 Other assets 460 — 460 — 460 Total $ 211,804 $ — $ 209,739 $ — $ 209,739 Liabilities Bank deposits $ 231,423 $ — $ 231,423 $ — $ 231,423 Payables to brokers, dealers, and clearing organizations 1,831 — 1,831 — 1,831 Payables to brokerage clients 32,726 — 32,726 — 32,726 Accrued expenses and other liabilities 1,370 — 1,370 — 1,370 Long-term debt 6,878 — 6,827 — 6,827 Total $ 274,228 $ — $ 274,177 $ — $ 274,177

Stockholders' Equity (Tables)

Stockholders' Equity (Tables)	9 Months Ended
	Sep. 30, 2019
Equity [Abstract]
Preferred Stock Issued and Outstanding	The Company’s preferred stock issued and outstanding is as follows: Liquidation Preference Per Share Dividend Rate in Effect at September 30, 2019 Earliest Redemption Date Date at Which Dividend Rate Becomes Floating Floating Annual Rate of Three-Month LIBOR plus: Shares Issued and Outstanding (in thousands) at Carrying Value at September 30, (1) December 31, 2018 (1) September 30, 2019 December 31, 2018 Issue Date Fixed-rate: Series C 600 600 $ 1,000 $ 585 $ 585 08/03/15 6.000 % 12/01/20 N/A N/A Series D 750 750 1,000 728 728 03/07/16 5.950 % 06/01/21 N/A N/A Fixed-to-floating-rate: Series A 400 400 1,000 397 397 01/26/12 7.000 % 02/01/22 02/01/22 4.820 % Series E 6 6 100,000 591 591 10/31/16 4.625 % 03/01/22 03/01/22 3.315 % Series F 5 5 100,000 492 492 10/31/17 5.000 % 12/01/27 12/01/27 2.575 % Total preferred stock 1,761 1,761 $ 2,793 $ 2,793 (1) Represented by depositary shares, except for Series A. N/A Not applicable.
Dividends Declared	Dividends declared on the Company’s preferred stock are as follows: Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 Total Per Share Total Per Share Total Per Share Total Per Share Series A $ — $ — $ — $ — $ 14 $ 35.00 $ 14 $ 35.00 Series C 9 15.00 9 15.00 27 45.00 27 45.00 Series D 11 14.88 11 14.88 33 44.64 33 44.64 Series E 14 2,312.50 14 2,312.50 28 4,625.00 28 4,625.00 Series F — — — — 13 2,500.00 15 2,930.56 Total $ 34 $ 34 $ 115 $ 117

Accumulated Other Comprehensi_2

Accumulated Other Comprehensive Income (Tables)	9 Months Ended
	Sep. 30, 2019
Equity [Abstract]
Components of Other Comprehensive Income (Loss)	The components of other comprehensive income (loss) are as follows: 2019 2018 Three Months Ended September 30, Before Tax Net of Before Tax Net of Change in net unrealized gain (loss) on available for sale securities: Net unrealized gain (loss) $ 51 $ (12 ) $ 39 $ (43 ) $ 11 $ (32 ) Other reclassifications included in other revenue (1 ) — (1 ) — — — Amortization of amounts previously recorded upon transfer to held to maturity 10 (3 ) 7 8 (2 ) 6 Other comprehensive income (loss) $ 60 $ (15 ) $ 45 $ (35 ) $ 9 $ (26 ) 2019 2018 Nine Months Ended September 30, Before Tax Net of Before Tax Net of Change in net unrealized gain (loss) on available for sale securities: Net unrealized gain (loss) $ 496 $ (119 ) $ 377 $ (184 ) $ 45 $ (139 ) Other reclassifications included in other revenue (5 ) 1 (4 ) — — — Amortization of amounts previously recorded upon transfer to held to maturity 30 (7 ) 23 26 (6 ) 20 Other comprehensive income (loss) $ 521 $ (125 ) $ 396 $ (158 ) $ 39 $ (119 )
Accumulated Other Comprehensive Income Balances	AOCI balances are as follows: Total AOCI Balance at June 30, 2018 $ (278 ) Available for sale securities: Net unrealized gain (loss) (32 ) Held to maturity securities: Amortization of amounts previously recorded upon transfer to held to maturity from available for sale 6 Balance at September 30, 2018 $ (304 ) Balance at June 30, 2019 $ 99 Available for sale securities: Net unrealized gain (loss), excluding transfers to available for sale from held to maturity 39 Other reclassifications included in other revenue (1 ) Held to maturity securities: Amortization of amounts previously recorded upon transfer to held to maturity from available for sale 7 Balance at September 30, 2019 $ 144 Total AOCI Balance at December 31, 2017 $ (152 ) Adoption of accounting standards (33 ) Available for sale securities: Net unrealized gain (loss) (139 ) Held to maturity securities: Amortization of amounts previously recorded upon transfer to held to maturity from available for sale 20 Balance at September 30, 2018 $ (304 ) Balance at December 31, 2018 $ (252 ) Available for sale securities: Net unrealized gain (loss), excluding transfers to available for sale from held to maturity 358 Net unrealized gain on securities transferred to available for sale from held to maturity (1) 19 Other reclassifications included in other revenue (4 ) Held to maturity securities: Amortization of amounts previously recorded upon transfer to held to maturity from available for sale 23 Balance at September 30, 2019 $ 144 (1) As part of the adoption of ASU 2017-12, in the first quarter of 2019, the Company made a one-time election to transfer a portion of its HTM securities to AFS. The transfer resulted in a net of tax increase to AOCI of $19 million . See Notes 2 and 4 for additional discussion on the transfer of HTM securities to AFS.

Regulatory Requirements (Tables

Regulatory Requirements (Tables)	9 Months Ended
	Sep. 30, 2019
Banking and Thrift [Abstract]
Regulatory Capital and Ratios	The regulatory capital and ratios for CSC (consolidated) and CSB are as follows: Actual (1) Minimum to be Minimum Capital Requirement September 30, 2019 Amount Ratio Amount Ratio Amount Ratio (2) CSC Common Equity Tier 1 Risk-Based Capital $ 17,264 20.0 % N/A $ 3,877 4.5 % Tier 1 Risk-Based Capital 20,057 23.3 % N/A 5,170 6.0 % Total Risk-Based Capital 20,075 23.3 % N/A 6,893 8.0 % Tier 1 Leverage 20,057 7.3 % N/A 10,945 4.0 % Supplementary Leverage Ratio (1) 20,057 7.1 % N/A 8,418 3.0 % CSB Common Equity Tier 1 Risk-Based Capital $ 15,577 22.9 % $ 4,430 6.5 % $ 3,067 4.5 % Tier 1 Risk-Based Capital 15,577 22.9 % 5,452 8.0 % 4,089 6.0 % Total Risk-Based Capital 15,594 22.9 % 6,815 10.0 % 5,452 8.0 % Tier 1 Leverage 15,577 7.4 % 10,537 5.0 % 8,429 4.0 % Supplementary Leverage Ratio (1) 15,577 7.2 % N/A N/A 6,524 3.0 % December 31, 2018 CSC Common Equity Tier 1 Risk-Based Capital $ 16,813 17.6 % N/A $ 4,295 4.5 % Tier 1 Risk-Based Capital 19,606 20.5 % N/A 5,726 6.0 % Total Risk-Based Capital 19,628 20.6 % N/A 7,635 8.0 % Tier 1 Leverage 19,606 7.1 % N/A 11,058 4.0 % CSB Common Equity Tier 1 Risk-Based Capital $ 15,832 19.7 % $ 5,233 6.5 % $ 3,623 4.5 % Tier 1 Risk-Based Capital 15,832 19.7 % 6,441 8.0 % 4,831 6.0 % Total Risk-Based Capital 15,853 19.7 % 8,051 10.0 % 6,441 8.0 % Tier 1 Leverage 15,832 7.2 % 11,044 5.0 % 8,836 4.0 % (1) Beginning in 2019, CSC and CSB are subject to the “advanced approaches” framework under the Basel III capital rule. As a result, we are now required to include all components of AOCI in regulatory capital and report our supplementary leverage ratio, which is calculated as Tier 1 capital divided by total leverage exposure. Total leverage exposure includes all on-balance sheet assets and certain off-balance sheet exposures, including unused commitments. Prior to 2019, CSC and CSB elected to opt-out of the requirement to include most components of AOCI in Common Equity Tier 1 Capital; the amounts and ratios for December 31, 2018 are presented on this basis. (2) Under the Basel III capital rule, CSC and CSB are also required to maintain a capital conservation buffer and, beginning in 2019, a countercyclical capital buffer above the regulatory minimum risk-based capital ratios. The capital conservation buffer became 2.5% on January 1, 2019 (1.875% at December 31, 2018). At September 30, 2019 , the countercyclical capital buffer was zero percent. If either buffer falls below the minimum requirement, the Company would be subject to limits on capital distributions and discretionary bonus payments to executive officers. At September 30, 2019 the minimum capital requirement plus capital conservation buffer and countercyclical capital buffer for Common Equity Tier 1 Risk-Based Capital, Tier 1 Risk-Based Capital, and Total Risk-Based Capital ratios were 7.0%, 8.5%, and 10.5%, respectively. N/A Not applicable.
Net Capital and Net Capital Requirements	Net capital and net capital requirements for CS&Co are as follows: September 30, 2019 December 31, 2018 Net Capital $ 2,235 $ 2,304 Minimum net capital required 0.250 0.250 2% of aggregate debit balances 440 436 Net Capital in excess of required net capital $ 1,795 $ 1,868

Segment Information (Tables)

Segment Information (Tables)	9 Months Ended
	Sep. 30, 2019
Segment Reporting [Abstract]
Financial Information for Reportable Segments	Financial information for the segments is presented in the following tables: Investor Services Advisor Services Total Three Months Ended September 30, 2019 2018 2019 2018 2019 2018 Net Revenues Net interest revenue $ 1,182 $ 1,138 $ 449 $ 389 $ 1,631 $ 1,527 Asset management and administration fees 586 565 239 244 825 809 Trading revenue 108 112 64 64 172 176 Other 68 53 15 14 83 67 Total net revenues 1,944 1,868 767 711 2,711 2,579 Expenses Excluding Interest 1,070 1,015 405 345 1,475 1,360 Income before taxes on income $ 874 $ 853 $ 362 $ 366 $ 1,236 $ 1,219 Investor Services Advisor Services Total Nine Months Ended September 30, 2019 2018 2019 2018 2019 2018 Net Revenues Net interest revenue $ 3,531 $ 3,158 $ 1,390 $ 1,039 $ 4,921 $ 4,197 Asset management and administration fees 1,679 1,727 687 747 2,366 2,474 Trading revenue 329 354 202 203 531 557 Other 207 182 90 53 297 235 Total net revenues 5,746 5,421 2,369 2,042 8,115 7,463 Expenses Excluding Interest 3,189 3,069 1,190 1,042 4,379 4,111 Income before taxes on income $ 2,557 $ 2,352 $ 1,179 $ 1,000 $ 3,736 $ 3,352

New Accounting Standards (Detai

New Accounting Standards (Details) - USD ($) $ in Millions	Jan. 01, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use asset		$ 596
Operating lease liability		665
Accumulated other comprehensive income (loss)		$ 144	$ 99	$ (252)	$ (304)	$ (278)	$ (152)
ASU 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use asset	$ 596
Operating lease liability	662
ASU 2017-12 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Fair value of securities transferred from held to maturity	8,800
Accumulated other comprehensive income (loss)	$ 19

New Accounting Standards (Cumul

New Accounting Standards (Cumulative Effect of Changes for the Adoption of ASU 2016-02) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Assets
Other assets		$ 2,634	$ 2,046
Operating lease right-of-use asset	$ 596
Liabilities
Accrued expenses and other liabilities		3,542	$ 2,954
Operating lease liability	$ 665
ASU 2016-02 [Member]
Assets
Operating lease right-of-use asset		596
Prepaid rent and initial direct costs		8
Liabilities
Operating lease liability		662
Deferred rent and lease incentives		74
ASU 2016-02 [Member] | Adjustments [Member]
Assets
Other assets		588
Liabilities
Accrued expenses and other liabilities		$ 588

Revenue Recognition (Disaggrega

Revenue Recognition (Disaggregated Revenue) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Interest revenue	$ 1,892	$ 1,755	$ 5,817	$ 4,766
Interest expense	(261)	(228)	(896)	(569)
Net interest revenue	1,631	1,527	4,921	4,197
Other	83	67	297	235
Total net revenues	2,711	2,579	8,115	7,463
Mutual funds, ETFs, and CTFs [Member]
Disaggregation of Revenue [Line Items]
Asset management and administration fees and Trading revenue	445	446	1,287	1,419
Advice solutions [Member]
Disaggregation of Revenue [Line Items]
Asset management and administration fees and Trading revenue	305	294	878	859
Other [Member]
Disaggregation of Revenue [Line Items]
Asset management and administration fees and Trading revenue	75	69	201	196
Asset management and administration fees [Member]
Disaggregation of Revenue [Line Items]
Asset management and administration fees and Trading revenue	825	809	2,366	2,474
Commissions [Member]
Disaggregation of Revenue [Line Items]
Asset management and administration fees and Trading revenue	159	155	477	501
Principal Transactions [Member]
Disaggregation of Revenue [Line Items]
Asset management and administration fees and Trading revenue	13	21	54	56
Trading revenue [Member]
Disaggregation of Revenue [Line Items]
Asset management and administration fees and Trading revenue	$ 172	$ 176	$ 531	$ 557

Revenue Recognition (Capitalize

Revenue Recognition (Capitalized Contract Costs and Contract Balances) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Revenue from Contract with Customer [Abstract]
Receivables from contracts with customers	$ 338	$ 307

Investment Securities (Amortize

Investment Securities (Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Securities Available for Sale and Held to Maturity Securities) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Available for sale securities:
Amortized Cost	$ 56,149	$ 66,735
Gross Unrealized Gains	399	72
Gross Unrealized Losses	65	229
Fair Value	56,483	66,578
Held to maturity securities:
Amortized Cost	140,194	144,009
Gross Unrealized Gains	2,247	330
Gross Unrealized Losses	278	2,301
Fair Value	142,163	142,038
U.S. agency mortgage-backed securities [Member]
Available for sale securities:
Amortized Cost	40,179	25,594
Gross Unrealized Gains	299	44
Gross Unrealized Losses	47	82
Fair Value	40,431	25,556
Held to maturity securities:
Amortized Cost	114,276	118,064
Gross Unrealized Gains	1,974	217
Gross Unrealized Losses	238	2,188
Fair Value	116,012	116,093
U.S. Treasury securities [Member]
Available for sale securities:
Amortized Cost	5,034	18,410
Gross Unrealized Gains	3	0
Gross Unrealized Losses	10	108
Fair Value	5,027	18,302
Held to maturity securities:
Amortized Cost	224	223
Gross Unrealized Gains	6	0
Gross Unrealized Losses	0	6
Fair Value	230	217
Asset-backed securities [Member]
Available for sale securities:
Amortized Cost	4,773	10,086
Gross Unrealized Gains	35	14
Gross Unrealized Losses	7	15
Fair Value	4,801	10,085
Held to maturity securities:
Amortized Cost	18,323	18,502
Gross Unrealized Gains	74	83
Gross Unrealized Losses	38	39
Fair Value	18,359	18,546
Corporate debt securities [Member]
Available for sale securities:
Amortized Cost	4,630	7,477
Gross Unrealized Gains	57	10
Gross Unrealized Losses	1	20
Fair Value	4,686	7,467
Held to maturity securities:
Amortized Cost	4,659	4,477
Gross Unrealized Gains	58	2
Gross Unrealized Losses	2	47
Fair Value	4,715	4,432
Certificates of deposit [Member]
Available for sale securities:
Amortized Cost	1,000	3,682
Gross Unrealized Gains	4	4
Gross Unrealized Losses	0	1
Fair Value	1,004	3,685
Held to maturity securities:
Amortized Cost	200	200
Gross Unrealized Gains	0	1
Gross Unrealized Losses	0	0
Fair Value	200	201
U.S. agency notes [Member]
Available for sale securities:
Amortized Cost		900
Gross Unrealized Gains		0
Gross Unrealized Losses		2
Fair Value		898
U.S. state and municipal securities [Member]
Held to maturity securities:
Amortized Cost	1,306	1,327
Gross Unrealized Gains	107	24
Gross Unrealized Losses	0	3
Fair Value	1,413	1,348
Commercial paper [Member]
Available for sale securities:
Amortized Cost	520	522
Gross Unrealized Gains	1	0
Gross Unrealized Losses	0	0
Fair Value	521	522
Available-for-sale securities, current	900	4,900
Foreign government agency securities [Member]
Available for sale securities:
Amortized Cost		50
Gross Unrealized Gains		0
Gross Unrealized Losses		1
Fair Value		49
Held to maturity securities:
Amortized Cost	50	50
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	1
Fair Value	50	49
Non-agency commercial mortgage-backed securities [Member]
Available for sale securities:
Amortized Cost	13	14
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	13	14
Held to maturity securities:
Amortized Cost	1,136	1,156
Gross Unrealized Gains	28	3
Gross Unrealized Losses	0	17
Fair Value	1,164	1,142
Other [Member]
Held to maturity securities:
Amortized Cost	20	10
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	$ 20	$ 10
Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member]
Held to maturity securities:
Asset-backed securities percentage	43.00%	36.00%
Collateralized Credit Card Securities [Member]
Held to maturity securities:
Asset-backed securities percentage	42.00%	42.00%
Corporate debt securities issued by financial services industry [Member]
Held to maturity securities:
AFS and HTM securities percentage	35.00%	26.00%
Corporate debt securities, information technology [Member]
Held to maturity securities:
AFS and HTM securities percentage	18.00%	18.00%

Investment Securities (Narrativ

Investment Securities (Narrative) (Details) - USD ($)	Jan. 01, 2019	Sep. 30, 2019	Dec. 31, 2018
Schedule of Held-to-maturity Securities [Line Items]
OTTI recognized in earnings or other comprehensive income		$ 0	$ 0
Deposits [Member]
Schedule of Held-to-maturity Securities [Line Items]
Fair value of pledged securities		918,000,000
Federal Reserve Bank Advances [Member]
Schedule of Held-to-maturity Securities [Line Items]
Fair value of pledged securities		8,300,000,000
Federal Home Loan Bank of San Francisco [Member]
Schedule of Held-to-maturity Securities [Line Items]
Fair value of pledged securities		$ 26,800,000,000
ASU 2017-12 [Member]
Schedule of Held-to-maturity Securities [Line Items]
Fair value of securities transferred from held to maturity	$ 8,800,000,000

Investment Securities (Availabl

Investment Securities (Available For Sale and Held to Maturity Securities with Unrealized Losses, Aggregated by Category and Period of Continuous Unrealized Loss) (Details) $ in Millions	Sep. 30, 2019USD ($)security	Dec. 31, 2018USD ($)security
Available for sale securities:
Less than 12 months Fair Value	$ 13,352	$ 23,503
Less than 12 months Unrealized Losses	26	67
12 months or longer Fair Value	10,375	12,888
12 months or longer Unrealized Losses	39	162
Total Fair Value	23,727	36,391
Total Unrealized Losses	65	229
Held to maturity securities:
Less than 12 months Fair Value	19,892	39,327
Less than 12 months Unrealized Losses	72	290
12 months or longer Fair Value	21,807	58,794
12 months or longer Unrealized Losses	206	2,011
Total Fair Value	41,699	98,121
Total Unrealized Losses	278	2,301
Total securities with unrealized losses
Less than 12 months Fair Value	33,244	62,830
Less than 12 months Unrealized Losses	98	357
12 months or longer Fair Value	32,182	71,682
12 months or longer Unrealized Losses	245	2,173
Total Fair Value	65,426	134,512
Total Unrealized Losses	$ 343	$ 2,530
Number of available for sale securities in unrealized loss positions | security	343	441
Number of held to maturity securities in unrealized loss positions | security	625	1,524
U.S. agency mortgage-backed securities [Member]
Available for sale securities:
Less than 12 months Fair Value	$ 12,063	$ 9,529
Less than 12 months Unrealized Losses	24	32
12 months or longer Fair Value	6,317	4,257
12 months or longer Unrealized Losses	23	50
Total Fair Value	18,380	13,786
Total Unrealized Losses	47	82
Held to maturity securities:
Less than 12 months Fair Value	11,838	29,263
Less than 12 months Unrealized Losses	37	222
12 months or longer Fair Value	20,897	56,435
12 months or longer Unrealized Losses	201	1,966
Total Fair Value	32,735	85,698
Total Unrealized Losses	238	2,188
U.S. Treasury securities [Member]
Available for sale securities:
Less than 12 months Fair Value	377	4,951
Less than 12 months Unrealized Losses	0	6
12 months or longer Fair Value	3,161	7,037
12 months or longer Unrealized Losses	10	102
Total Fair Value	3,538	11,988
Total Unrealized Losses	10	108
Held to maturity securities:
Less than 12 months Fair Value		0
Less than 12 months Unrealized Losses		0
12 months or longer Fair Value		218
12 months or longer Unrealized Losses		6
Total Fair Value		218
Total Unrealized Losses		6
Asset-backed securities [Member]
Available for sale securities:
Less than 12 months Fair Value	763	4,050
Less than 12 months Unrealized Losses	1	9
12 months or longer Fair Value	398	837
12 months or longer Unrealized Losses	6	6
Total Fair Value	1,161	4,887
Total Unrealized Losses	7	15
Held to maturity securities:
Less than 12 months Fair Value	7,638	6,795
Less than 12 months Unrealized Losses	34	35
12 months or longer Fair Value	556	376
12 months or longer Unrealized Losses	4	4
Total Fair Value	8,194	7,171
Total Unrealized Losses	38	39
Corporate debt securities [Member]
Available for sale securities:
Less than 12 months Fair Value	149	3,561
Less than 12 months Unrealized Losses	1	19
12 months or longer Fair Value	499	254
12 months or longer Unrealized Losses	0	1
Total Fair Value	648	3,815
Total Unrealized Losses	1	20
Held to maturity securities:
Less than 12 months Fair Value	416	2,909
Less than 12 months Unrealized Losses	1	29
12 months or longer Fair Value	354	1,066
12 months or longer Unrealized Losses	1	18
Total Fair Value	770	3,975
Total Unrealized Losses	$ 2	47
U.S. state and municipal securities [Member]
Held to maturity securities:
Less than 12 months Fair Value		77
Less than 12 months Unrealized Losses		2
12 months or longer Fair Value		18
12 months or longer Unrealized Losses		1
Total Fair Value		95
Total Unrealized Losses		3
Certificates of deposit [Member]
Available for sale securities:
Less than 12 months Fair Value		1,217
Less than 12 months Unrealized Losses		1
12 months or longer Fair Value		150
12 months or longer Unrealized Losses		0
Total Fair Value		1,367
Total Unrealized Losses		1
Non-agency commercial mortgage-backed securities [Member]
Held to maturity securities:
Less than 12 months Fair Value		283
Less than 12 months Unrealized Losses		2
12 months or longer Fair Value		632
12 months or longer Unrealized Losses		15
Total Fair Value		915
Total Unrealized Losses		17
U.S. agency notes [Member]
Available for sale securities:
Less than 12 months Fair Value		195
Less than 12 months Unrealized Losses		0
12 months or longer Fair Value		304
12 months or longer Unrealized Losses		2
Total Fair Value		499
Total Unrealized Losses		2
Foreign government agency securities [Member]
Available for sale securities:
Less than 12 months Fair Value		0
Less than 12 months Unrealized Losses		0
12 months or longer Fair Value		49
12 months or longer Unrealized Losses		1
Total Fair Value		49
Total Unrealized Losses		1
Held to maturity securities:
Less than 12 months Fair Value		0
Less than 12 months Unrealized Losses		0
12 months or longer Fair Value		49
12 months or longer Unrealized Losses		1
Total Fair Value		49
Total Unrealized Losses		$ 1

Investment Securities (Maturiti

Investment Securities (Maturities of Securities Available for Sale and Held to Maturity) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Available for sale securities, fair value
Within 1 year	$ 5,749
After 1 year through 5 years	11,065
After 5 years through 10 years	12,026
After 10 years	27,643
Fair Value	56,483	$ 66,578
Available for sale securities, amortized cost
Within 1 year	5,743
After 1 year through 5 years	10,994
After 5 years through 10 years	11,996
After 10 years	27,416
Amortized Cost	56,149	66,735
Held to maturity securities, fair value
Within 1 year	1,641
After 1 year through 5 years	22,294
After 5 years through 10 years	44,528
After 10 years	73,700
Fair Value	142,163	142,038
Held to maturity securities, amortized cost
Within 1 year	1,637
After 1 year through 5 years	21,989
After 5 years through 10 years	43,368
After 10 years	73,200
Amortized Cost	140,194	144,009
U.S. agency mortgage-backed securities [Member]
Available for sale securities, fair value
Within 1 year	51
After 1 year through 5 years	1,909
After 5 years through 10 years	11,061
After 10 years	27,410
Fair Value	40,431	25,556
Available for sale securities, amortized cost
Amortized Cost	40,179	25,594
Held to maturity securities, fair value
Within 1 year	663
After 1 year through 5 years	15,472
After 5 years through 10 years	35,048
After 10 years	64,829
Fair Value	116,012	116,093
Held to maturity securities, amortized cost
Amortized Cost	114,276	118,064
U.S. Treasury securities [Member]
Available for sale securities, fair value
Within 1 year	3,541
After 1 year through 5 years	1,486
After 5 years through 10 years	0
After 10 years	0
Fair Value	5,027	18,302
Available for sale securities, amortized cost
Amortized Cost	5,034	18,410
Held to maturity securities, fair value
Within 1 year	0
After 1 year through 5 years	0
After 5 years through 10 years	230
After 10 years	0
Fair Value	230	217
Held to maturity securities, amortized cost
Amortized Cost	224	223
Asset-backed securities [Member]
Available for sale securities, fair value
Within 1 year	35
After 1 year through 5 years	3,752
After 5 years through 10 years	794
After 10 years	220
Fair Value	4,801	10,085
Available for sale securities, amortized cost
Amortized Cost	4,773	10,086
Held to maturity securities, fair value
Within 1 year	0
After 1 year through 5 years	3,227
After 5 years through 10 years	7,940
After 10 years	7,192
Fair Value	18,359	18,546
Held to maturity securities, amortized cost
Amortized Cost	18,323	18,502
Corporate debt securities [Member]
Available for sale securities, fair value
Within 1 year	1,100
After 1 year through 5 years	3,415
After 5 years through 10 years	171
After 10 years	0
Fair Value	4,686	7,467
Available for sale securities, amortized cost
Amortized Cost	4,630	7,477
Held to maturity securities, fair value
Within 1 year	778
After 1 year through 5 years	3,079
After 5 years through 10 years	858
After 10 years	0
Fair Value	4,715	4,432
Held to maturity securities, amortized cost
Amortized Cost	4,659	4,477
Certificates of deposit [Member]
Available for sale securities, fair value
Within 1 year	501
After 1 year through 5 years	503
After 5 years through 10 years	0
After 10 years	0
Fair Value	1,004	3,685
Available for sale securities, amortized cost
Amortized Cost	1,000	3,682
Held to maturity securities, fair value
Within 1 year	200
After 1 year through 5 years	0
After 5 years through 10 years	0
After 10 years	0
Fair Value	200	201
Held to maturity securities, amortized cost
Amortized Cost	200	200
U.S. state and municipal securities [Member]
Held to maturity securities, fair value
Within 1 year	0
After 1 year through 5 years	99
After 5 years through 10 years	452
After 10 years	862
Fair Value	1,413	1,348
Held to maturity securities, amortized cost
Amortized Cost	1,306	1,327
Commercial paper [Member]
Available for sale securities, fair value
Within 1 year	521
After 1 year through 5 years	0
After 5 years through 10 years	0
After 10 years	0
Fair Value	521	522
Available for sale securities, amortized cost
Amortized Cost	520	522
Foreign government agency securities [Member]
Available for sale securities, fair value
Fair Value		49
Available for sale securities, amortized cost
Amortized Cost		50
Held to maturity securities, fair value
Within 1 year	0
After 1 year through 5 years	50
After 5 years through 10 years	0
After 10 years	0
Fair Value	50	49
Held to maturity securities, amortized cost
Amortized Cost	50	50
Non-agency commercial mortgage-backed securities [Member]
Available for sale securities, fair value
Within 1 year	0
After 1 year through 5 years	0
After 5 years through 10 years	0
After 10 years	13
Fair Value	13	14
Available for sale securities, amortized cost
Amortized Cost	13	14
Held to maturity securities, fair value
Within 1 year	0
After 1 year through 5 years	367
After 5 years through 10 years	0
After 10 years	797
Fair Value	1,164	1,142
Held to maturity securities, amortized cost
Amortized Cost	1,136	1,156
Other [Member]
Held to maturity securities, fair value
Within 1 year	0
After 1 year through 5 years	0
After 5 years through 10 years	0
After 10 years	20
Fair Value	20	10
Held to maturity securities, amortized cost
Amortized Cost	$ 20	$ 10

Investment Securities (Proceeds

Investment Securities (Proceeds and Gross Realized Gains And Losses from Sales of Securities Available for Sale) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Investments, Debt and Equity Securities [Abstract]
Proceeds from sales of available for sale securities	$ 5,436	$ 0	$ 21,710	$ 115
Gross realized gains	5	0	15	0
Gross realized losses	$ 4	$ 0	$ 10	$ 0

Bank Loans and Related Allowa_3

Bank Loans and Related Allowance for Loan Losses (Composition of Bank Loans and Delinquency Analysis by Loan Segment) (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018	Jun. 30, 2019	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Past Due [Line Items]
Current	$ 16,863,000,000	$ 16,580,000,000
Past due and other nonaccrual loans	49,000,000	50,000,000
Total loans	16,912,000,000	16,630,000,000
Allowance for loan losses	17,000,000	21,000,000	$ 19,000,000	$ 26,000,000	$ 26,000,000	$ 26,000,000
Total bank loans – net	16,895,000,000	16,609,000,000
Loans 90 days past due and still accruing	0	0
30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	25,000,000	27,000,000
60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	3,000,000	3,000,000
More Than 90 Days Past Due and Other Nonaccrual Loans [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	21,000,000	20,000,000
First Mortgage [Member]
Financing Receivable, Past Due [Line Items]
Current	10,607,000,000	10,349,000,000
Past due and other nonaccrual loans	33,000,000	35,000,000
Total loans	10,640,000,000	10,384,000,000
Allowance for loan losses	10,000,000	14,000,000	12,000,000	17,000,000	17,000,000	16,000,000
Total bank loans – net	10,630,000,000	10,370,000,000
First Mortgage [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	20,000,000	21,000,000
First Mortgage [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	2,000,000	2,000,000
First Mortgage [Member] | More Than 90 Days Past Due and Other Nonaccrual Loans [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	11,000,000	12,000,000
HELOCs [Member]
Financing Receivable, Past Due [Line Items]
Current	1,208,000,000	1,493,000,000
Past due and other nonaccrual loans	12,000,000	12,000,000
Total loans	1,220,000,000	1,505,000,000
Allowance for loan losses	4,000,000	5,000,000	5,000,000	7,000,000	7,000,000	8,000,000
Total bank loans – net	1,216,000,000	1,500,000,000
HELOCs [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	3,000,000	3,000,000
HELOCs [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	1,000,000	1,000,000
HELOCs [Member] | More Than 90 Days Past Due and Other Nonaccrual Loans [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	8,000,000	8,000,000
Pledged asset lines [Member]
Financing Receivable, Past Due [Line Items]
Current	4,876,000,000	4,558,000,000
Past due and other nonaccrual loans	2,000,000	3,000,000
Total loans	4,878,000,000	4,561,000,000
Allowance for loan losses	0	0
Total bank loans – net	4,878,000,000	4,561,000,000
Pledged asset lines [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	2,000,000	3,000,000
Pledged asset lines [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	0	0
Pledged asset lines [Member] | More Than 90 Days Past Due and Other Nonaccrual Loans [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	0	0
Other [Member]
Financing Receivable, Past Due [Line Items]
Current	172,000,000	180,000,000
Past due and other nonaccrual loans	2,000,000	0
Total loans	174,000,000	180,000,000
Allowance for loan losses	3,000,000	2,000,000	$ 2,000,000	$ 2,000,000	$ 2,000,000	$ 2,000,000
Total bank loans – net	171,000,000	178,000,000
Other [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	0	0
Other [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	0	0
Other [Member] | More Than 90 Days Past Due and Other Nonaccrual Loans [Member]
Financing Receivable, Past Due [Line Items]
Past due and other nonaccrual loans	2,000,000	0
First Mortgage and HELOC [Member]
Financing Receivable, Past Due [Line Items]
Unamortized premiums and discounts and direct origination costs	$ 71,000,000	$ 73,000,000
First Mortgage and HELOC [Member] | Loans, Geographic Area [Member] | California [Member]
Financing Receivable, Past Due [Line Items]
Concentration risk percentage	46.00%	47.00%

Bank Loans and Related Allowa_4

Bank Loans and Related Allowance for Loan Losses (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total bank loans	$ 16,912	$ 16,630
First Mortgage and HELOC [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans pledged as collateral	10,800
Adjustable Rate First Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Bank loans	$ 9,600
Percent of loans with interest-only payments	29.00%
Percent of interest only adjustable rate	65.00%
Adjustable Rate First Mortgage [Member] | Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed rate interest rate period	3 years
Interest-only reset period	3 years
Adjustable Rate First Mortgage [Member] | Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fixed rate interest rate period	10 years
HELOCs [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan term	30 years
Initial draw period	10 years
Converting to amortizing loans period	20 years
Total bank loans	$ 1,220	$ 1,505
Percent of loan balance outstanding, borrowers paid only minimum due	54.00%
Home Equity Secured By Second Liens [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total bank loans	$ 1,000

Bank Loans and Related Allowa_5

Bank Loans and Related Allowance for Loan Losses (Changes in Allowance for Loan Losses) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	$ 19	$ 26	$ 21	$ 26
Charge-offs	0	0	0	(1)
Recoveries	0	1	2	2
Provision for loan losses	(2)	(1)	(6)	(1)
Balance at end of period	17	26	17	26
First Mortgage [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	12	17	14	16
Charge-offs	0	0	0	0
Recoveries	0	0	1	0
Provision for loan losses	(2)	0	(5)	1
Balance at end of period	10	17	10	17
HELOCs [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	5	7	5	8
Charge-offs	0	0	0	0
Recoveries	0	1	1	2
Provision for loan losses	(1)	(1)	(2)	(3)
Balance at end of period	4	7	4	7
Other [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	2	2	2	2
Charge-offs	0	0	0	(1)
Recoveries	0	0	0	0
Provision for loan losses	1	0	1	1
Balance at end of period	$ 3	$ 2	$ 3	$ 2

Bank Loans and Related Allowa_6

Bank Loans and Related Allowance for Loan Losses (Impaired Assets) (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled debt restructurings	$ 2	$ 4
Total impaired assets	25	28
Nonperforming Financial Instruments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonperforming assets	23	24
Nonperforming Financial Instruments [Member] | Nonaccrual Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonperforming assets	21	21
Nonperforming Financial Instruments [Member] | Other Real Estate Owned [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonperforming assets	$ 2	$ 3

Bank Loans and Related Allowa_7

Bank Loans and Related Allowance for Loan Losses (Credit Quality Indicators of Bank Loan Portfolio) (Details) $ in Millions	Sep. 30, 2019USD ($)credit_rating	Dec. 31, 2018USD ($)credit_rating
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 16,912	$ 16,630
First Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 10,640	$ 10,384
Weighted Average Updated FICO | credit_rating	776	775
Percent of Loans on Nonaccrual Status	0.05%	0.07%
First Mortgage [Member] | Origination FICO Score Below 620 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 4	$ 5
First Mortgage [Member] | Origination FICO Score 620 Through 679 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	76	83
First Mortgage [Member] | Origination FICO Score 680 Through 739 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	1,624	1,626
First Mortgage [Member] | Origination FICO Score 740 and Above [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	8,936	8,670
First Mortgage [Member] | Year of origination Pre 2015 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	1,815	2,387
First Mortgage [Member] | Year of origination 2015 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	889	1,050
First Mortgage [Member] | Year of origination 2016 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	2,382	2,606
First Mortgage [Member] | Year of origination 2017 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	2,137	2,366
First Mortgage [Member] | Year of origination 2018 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	1,611	1,975
First Mortgage [Member] | Year of origination 2019 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	1,806
First Mortgage [Member] | Estimated Current LTV 70% and Below [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 9,574	$ 9,396
Weighted Average Updated FICO | credit_rating	776	776
Percent of Loans on Nonaccrual Status	0.03%	0.04%
First Mortgage [Member] | Estimated Current LTV Greater Than 70% through 90% [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 1,061	$ 985
Weighted Average Updated FICO | credit_rating	770	769
Percent of Loans on Nonaccrual Status	0.28%	0.41%
First Mortgage [Member] | Estimated Current LTV Greater Than 90% through 100% [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 4	$ 2
Weighted Average Updated FICO | credit_rating	756	717
Percent of Loans on Nonaccrual Status	0.00%	0.00%
First Mortgage [Member] | Estimated Current LTV Greater Than 100% [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 1	$ 1
Weighted Average Updated FICO | credit_rating	768	753
Percent of Loans on Nonaccrual Status	0.00%	0.00%
First Mortgage [Member] | Origination Loan to Value Ratio 70% and Below [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 7,980	$ 7,815
First Mortgage [Member] | Origination Loan to Value Ratio Greater Than 70% Through 90% [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	2,656	2,564
First Mortgage [Member] | Origination Loan to Value Ratio Greater Than 90% Through 100% [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	4	5
HELOCs [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 1,220	$ 1,505
Weighted Average Updated FICO | credit_rating	768	769
Percent of Loans on Nonaccrual Status	0.29%	0.17%
HELOCs [Member] | Origination FICO Score Below 620 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 0	$ 0
HELOCs [Member] | Origination FICO Score 620 Through 679 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	6	8
HELOCs [Member] | Origination FICO Score 680 Through 739 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	236	282
HELOCs [Member] | Origination FICO Score 740 and Above [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	978	1,215
HELOCs [Member] | Year of origination Pre 2015 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	872	1,140
HELOCs [Member] | Year of origination 2015 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	85	106
HELOCs [Member] | Year of origination 2016 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	82	95
HELOCs [Member] | Year of origination 2017 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	90	99
HELOCs [Member] | Year of origination 2018 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	67	65
HELOCs [Member] | Year of origination 2019 [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	24
HELOCs [Member] | Estimated Current LTV 70% and Below [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 1,157	$ 1,416
Weighted Average Updated FICO | credit_rating	769	770
Percent of Loans on Nonaccrual Status	0.25%	0.13%
HELOCs [Member] | Estimated Current LTV Greater Than 70% through 90% [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 58	$ 80
Weighted Average Updated FICO | credit_rating	751	752
Percent of Loans on Nonaccrual Status	0.83%	0.60%
HELOCs [Member] | Estimated Current LTV Greater Than 90% through 100% [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 3	$ 6
Weighted Average Updated FICO | credit_rating	716	729
Percent of Loans on Nonaccrual Status	5.06%	3.36%
HELOCs [Member] | Estimated Current LTV Greater Than 100% [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 2	$ 3
Weighted Average Updated FICO | credit_rating	659	702
Percent of Loans on Nonaccrual Status	0.00%	0.00%
HELOCs [Member] | Origination Loan to Value Ratio 70% and Below [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 869	$ 1,064
HELOCs [Member] | Origination Loan to Value Ratio Greater Than 70% Through 90% [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	346	434
HELOCs [Member] | Origination Loan to Value Ratio Greater Than 90% Through 100% [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	5	7
Pledged asset lines [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	4,878	4,561
Pledged asset lines [Member] | Weighted Average Loan to Value Ratio =70% [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Balance	$ 4,878	$ 4,561
Weighted Average Updated FICO | credit_rating	767	766
Percent of Loans on Nonaccrual Status	0.00%	0.00%

Bank Loans and Related Allowa_8

Bank Loans and Related Allowance for Loan Losses (Convert to Amortizing Loans) (Details) - HELOCs [Member] $ in Millions	Sep. 30, 2019USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Converted to an amortizing loan by period end	$ 551
Within 1 year	52
1 year – 3 years	84
3 years – 5 years	170
5 years	363
Total	$ 1,220

Variable Interest Entities (Agg

Variable Interest Entities (Aggregate Assets, Liabilities and Maximum Exposure to Loss) (Details) - Variable Interest Entity, Not Primary Beneficiary [Member] - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Variable Interest Entity [Line Items]
Aggregate assets	$ 589	$ 408
Aggregate liabilities	298	188
Maximum exposure to loss	623	462
LIHTC Investments [Member]
Variable Interest Entity [Line Items]
Aggregate assets	498	338
Aggregate liabilities	298	188
Maximum exposure to loss	498	338
Other CRA Investments [Member]
Variable Interest Entity [Line Items]
Aggregate assets	91	70
Aggregate liabilities	0	0
Maximum exposure to loss	$ 125	$ 124

Bank Deposits (Details)

Bank Deposits (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Interest-bearing deposits:
Deposits swept from brokerage accounts	$ 191,456	$ 212,311
Checking	12,020	12,523
Savings and other	5,146	5,827
Total interest-bearing deposits	208,622	230,661
Non-interest-bearing deposits	705	762
Total bank deposits	$ 209,327	$ 231,423

Borrowings (Long-term Debt Incl

Borrowings (Long-term Debt Including Unamortized Debt Discounts and Premiums) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Fixed Interest Rate	5.45%
Senior Notes	$ 7,481	$ 6,881
Finance lease obligation	0	52
Unamortized discount — net	(14)	(15)
Debt issuance costs	(40)	(40)
Total long-term debt	$ 7,427	6,878
Senior Notes [Member] | Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	4.45%
Senior Notes	$ 700	700
Senior Notes [Member] | Senior Notes Due 2021 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	3.25%
Senior Notes	$ 600	600
Senior Notes [Member] | Senior Notes Due 2022 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	3.225%
Senior Notes	$ 256	256
Senior Notes [Member] | Senior Notes Due 2023 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	2.65%
Senior Notes	$ 800	800
Senior Notes [Member] | Senior Notes Due 2024 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	3.55%
Senior Notes	$ 500	500
Senior Notes [Member] | Senior Notes Due 2025 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	3.00%
Senior Notes	$ 375	375
Senior Notes [Member] | Senior Notes Due May 2025 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	3.85%
Senior Notes	$ 750	750
Senior Notes [Member] | Senior Notes Due 2026 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	3.45%
Senior Notes	$ 350	350
Senior Notes [Member] | Senior Notes Due 2027 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	3.20%
Senior Notes	$ 650	650
Senior Notes [Member] | Senior Notes Due 2028 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	3.20%
Senior Notes	$ 700	700
Senior Notes [Member] | Senior Notes Due 2029 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	4.00%
Senior Notes	$ 600	600
Senior Notes [Member] | Senior Notes Due May 2029 [Member]
Debt Instrument [Line Items]
Fixed Interest Rate	3.25%
Senior Notes	$ 600	0
Senior Notes [Member] | Floating Rate Senior Notes Due 2021 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 600	$ 600
Senior Notes [Member] | Floating Rate Senior Notes Due 2021 [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Basis spread rate	0.32%

Borrowings (Annual Maturities o

Borrowings (Annual Maturities on Long-term Debt Outstanding) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Debt Disclosure [Abstract]
2019	$ 0
2020	700
2021	1,200
2022	256
2023	800
Thereafter	4,525
Total maturities	7,481
Unamortized discount, net	(14)	$ (15)
Debt issuance costs	(40)	(40)
Total long-term debt	$ 7,427	$ 6,878

Borrowings (Narrative) (Details

Borrowings (Narrative) (Details) - Federal Home Loan Bank Advances [Member] - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Line of Credit Facility [Line Items]
FHLB stock	$ 34,000,000	$ 32,000,000
Secured Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, current borrowing capacity	35,200,000,000	35,500,000,000
Amounts outstanding	$ 0	$ 0

Leases (Leases) (Details)

Leases (Leases) (Details) $ in Millions	Sep. 30, 2019USD ($)
Leases [Abstract]
Operating lease assets	$ 596
Operating lease liabilities	$ 665

Leases (Lease Cost) (Details)

Leases (Lease Cost) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Leases [Abstract]
Operating lease cost	$ 34	$ 100
Variable lease cost	$ 8	$ 25

Leases (Lease Term and Discount

Leases (Lease Term and Discount Rate) (Details)	Sep. 30, 2019
Leases [Abstract]
Weighted-average remaining lease term (years)	7 years 2 months 4 days
Weighted-average discount rate	3.47%

Leases (Maturity of Lease Liabi

Leases (Maturity of Lease Liabilities) (Details) $ in Millions	Sep. 30, 2019USD ($)
Lessor, Lease, Description [Line Items]
2019	$ 26
2020	136
2021	113
2022	92
2023	84
Thereafter	309
Total lease payments	760
Less: Interest	95
Operating lease liability	665
Lease not yet commenced	$ 41
Minimum [Member]
Lessor, Lease, Description [Line Items]
Lease not yet commenced, term	5 years
Maximum [Member]
Lessor, Lease, Description [Line Items]
Lease not yet commenced, term	20 years

Leases (Maturity of Lease Lia_2

Leases (Maturity of Lease Liabilities Before 842) (Details) $ in Millions	Dec. 31, 2018USD ($)
Operating Leases
2019	$ 131
2020	125
2021	101
2022	79
2023	72
Thereafter	282
Total	790
Subleases
2019	4
2020	4
2021	4
2022	2
2023	1
Thereafter	0
Total	15
Net
2019	127
2020	121
2021	97
2022	77
2023	71
Thereafter	282
Total	$ 775

Commitments and Contingencies_2

Commitments and Contingencies (Commitments to Extend/Purchase) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commitments to purchase			$ 13,210		$ 11,314
First Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchased during period	$ 842	$ 491	2,000	$ 1,600
Commitments to purchase			1,976		268
HELOCs [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Purchased during period	52	$ 104	180	$ 311
Home Equity Loans and Lines of Credit Pledged Asset Lines and Other Lines of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commitments to extend credit related to unused HELOCs, PALs, and other lines of credit	$ 11,234		$ 11,234		$ 11,046

Commitments and Contingencies_3

Commitments and Contingencies (Details) account in Millions	Jul. 25, 2019USD ($)account	Sep. 30, 2019USD ($)
Loss Contingencies [Line Items]
Aggregate face amount of letter of credit agreements		$ 225,000,000
Number of brokerage and managed portfolio accounts acquired | account	1,000,000
Client assets acquired	$ 90,000,000,000
Payments to acquire businesses	$ 1,800,000,000
Performance Guarantee [Member]
Loss Contingencies [Line Items]
Liability for guarantees		0
Margin Requirements [Member]
Loss Contingencies [Line Items]
Funds drawn under LOC's		$ 0

Financial Instruments Subject_3

Financial Instruments Subject to Off-Balance Sheet Credit Risk (Narrative) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Securities Financing Transaction, Fair Value [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair value of borrowed securities from other broker-dealers to fulfill short sales by clients	$ 860	$ 99

Financial Instruments Subject_4

Financial Instruments Subject to Off-Balance Sheet Credit Risk (Offsetting Assets and Liabilities) (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Resale agreements
Gross Assets	$ 9,707	$ 7,195
Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Net Amounts Presented in the Condensed Consolidated Balance Sheets	9,707	7,195
Counterparty Offsetting	0	0
Collateral	(9,707)	(7,195)
Net Amount	0	0
Securities borrowed
Gross Assets	877	101
Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Net Amounts Presented in the Condensed Consolidated Balance Sheets	877	101
Counterparty Offsetting	(871)	(98)
Collateral	(6)	(3)
Net Amount	0	0
Total Gross Assets	10,584	7,296
Total Assets, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Total Assets, Net Amounts Presented in the Condensed Consolidated Balance Sheets	10,584	7,296
Total Assets, Gross Amounts Not Offset in the Consolidated Balance Sheet, Counterparty Offsetting	(871)	(98)
Total Assets, Gross Amounts Not Offset in the Consolidated Balance Sheet, Collateral	(9,713)	(7,198)
Total Assets, Net Amount	0	0
Securities loaned
Gross Liabilities	1,471	1,184
Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Net Amounts Presented in the Condensed Consolidated Balance Sheets	1,471	1,184
Counterparty Offsetting	(871)	(98)
Collateral	(489)	(975)
Net Amount	111	111
Total Gross Liabilities	1,471	1,184
Total Liabilities, Net Amounts Presented in the Consolidated Balance Sheet	1,471	1,184
Total Liabilities, Gross Amounts Not Offset in the Consolidated Balance Sheet, Counterparty Offsetting	(871)	(98)
Total Liabilities, Gross Amounts Not Offset in the Consolidated Balance Sheet, Collateral	(489)	(975)
Total Liabilities, Net Amount	111	111
Offsetting Assets [Line Items]
Fair value of client securities available to be pledged	$ 26,614	$ 26,628
Resale And Repurchase Agreements [Member]
Offsetting Assets [Line Items]
Percentage of collateral to related assets	102.00%	102.00%
Fair value of client securities available to be pledged	$ 9,900	$ 7,400

Financial Instruments Subject_5

Financial Instruments Subject to Off-Balance Sheet Credit Risk (Summary of the Fair Value of Client Securities Available to Utilize as Collateral and Amounts Pledged) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Securities Financing Transaction [Line Items]
Fair value of client securities available to be pledged	$ 26,614	$ 26,628
Total collateral pledged	5,005	4,581
Fulfillment of Requirements with the Options Clearing Corporation [Member]
Securities Financing Transaction [Line Items]
Total collateral pledged	1,778	2,315
Fulfillment of Client Short Sales [Member]
Securities Financing Transaction [Line Items]
Total collateral pledged	2,023	1,292
Securities Lending to Other Broker-Dealers [Member]
Securities Financing Transaction [Line Items]
Total collateral pledged	1,204	974
Fully Paid Client Securities [Member]
Securities Financing Transaction [Line Items]
Total collateral pledged	$ 139	$ 97

Fair Values of Assets and Lia_3

Fair Values of Assets and Liabilities (Fair Value Hierarchy for Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	$ 497	$ 539
Available for sale securities	56,483	66,578
Commercial paper [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	521	522
Certificates of deposit [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	1,004	3,685
U.S. agency mortgage-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	40,431	25,556
U.S. Treasury securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	5,027	18,302
Asset-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	4,801	10,085
Corporate debt securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	4,686	7,467
U.S. agency notes [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities		898
Foreign government agency securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities		49
Non-agency commercial mortgage-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	13	14
Fair Value, Recurring [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	5,116	8,292
Investments segregated and on deposit for regulatory purposes	3,556	4,671
Other securities owned	497	539
Available for sale securities	56,483	66,578
Total	65,652	80,080
Fair Value, Recurring [Member] | Money market funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	4,193	3,429
Fair Value, Recurring [Member] | Commercial paper [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	923	4,863
Available for sale securities	521	522
Fair Value, Recurring [Member] | Certificates of deposit [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Investments segregated and on deposit for regulatory purposes	1,951	1,396
Available for sale securities	1,004	3,685
Fair Value, Recurring [Member] | U.S. Government securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Investments segregated and on deposit for regulatory purposes	1,605	3,275
Fair Value, Recurring [Member] | Equity and bond mutual funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	378	441
Fair Value, Recurring [Member] | State and municipal debt obligations [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	32	39
Fair Value, Recurring [Member] | Equity, U.S. Government and corporate debt, and other securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	77	33
Fair Value, Recurring [Member] | Schwab Funds money market funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	10	26
Fair Value, Recurring [Member] | U.S. agency mortgage-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	40,431	25,556
Fair Value, Recurring [Member] | U.S. Treasury securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	5,027	18,302
Fair Value, Recurring [Member] | Asset-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	4,801	10,085
Fair Value, Recurring [Member] | Corporate debt securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	4,686	7,467
Fair Value, Recurring [Member] | U.S. agency notes [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities		898
Fair Value, Recurring [Member] | Foreign government agency securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities		49
Fair Value, Recurring [Member] | Non-agency commercial mortgage-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	13	14
Fair Value, Recurring [Member] | Level 1 [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	4,193	3,429
Investments segregated and on deposit for regulatory purposes	0	0
Other securities owned	391	470
Available for sale securities	0	0
Total	4,584	3,899
Fair Value, Recurring [Member] | Level 1 [Member] | Money market funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	4,193	3,429
Fair Value, Recurring [Member] | Level 1 [Member] | Commercial paper [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 1 [Member] | Certificates of deposit [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Investments segregated and on deposit for regulatory purposes	0	0
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 1 [Member] | U.S. Government securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Investments segregated and on deposit for regulatory purposes	0	0
Fair Value, Recurring [Member] | Level 1 [Member] | Equity and bond mutual funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	378	441
Fair Value, Recurring [Member] | Level 1 [Member] | State and municipal debt obligations [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	0	0
Fair Value, Recurring [Member] | Level 1 [Member] | Equity, U.S. Government and corporate debt, and other securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	3	3
Fair Value, Recurring [Member] | Level 1 [Member] | Schwab Funds money market funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	10	26
Fair Value, Recurring [Member] | Level 1 [Member] | U.S. agency mortgage-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 1 [Member] | U.S. Treasury securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 1 [Member] | Asset-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 1 [Member] | Corporate debt securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 1 [Member] | U.S. agency notes [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities		0
Fair Value, Recurring [Member] | Level 1 [Member] | Foreign government agency securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities		0
Fair Value, Recurring [Member] | Level 1 [Member] | Non-agency commercial mortgage-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 2 [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	923	4,863
Investments segregated and on deposit for regulatory purposes	3,556	4,671
Other securities owned	106	69
Available for sale securities	56,483	66,578
Total	61,068	76,181
Fair Value, Recurring [Member] | Level 2 [Member] | Money market funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Fair Value, Recurring [Member] | Level 2 [Member] | Commercial paper [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	923	4,863
Available for sale securities	521	522
Fair Value, Recurring [Member] | Level 2 [Member] | Certificates of deposit [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Investments segregated and on deposit for regulatory purposes	1,951	1,396
Available for sale securities	1,004	3,685
Fair Value, Recurring [Member] | Level 2 [Member] | U.S. Government securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Investments segregated and on deposit for regulatory purposes	1,605	3,275
Fair Value, Recurring [Member] | Level 2 [Member] | Equity and bond mutual funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	0	0
Fair Value, Recurring [Member] | Level 2 [Member] | State and municipal debt obligations [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	32	39
Fair Value, Recurring [Member] | Level 2 [Member] | Equity, U.S. Government and corporate debt, and other securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	74	30
Fair Value, Recurring [Member] | Level 2 [Member] | Schwab Funds money market funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	0	0
Fair Value, Recurring [Member] | Level 2 [Member] | U.S. agency mortgage-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	40,431	25,556
Fair Value, Recurring [Member] | Level 2 [Member] | U.S. Treasury securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	5,027	18,302
Fair Value, Recurring [Member] | Level 2 [Member] | Asset-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	4,801	10,085
Fair Value, Recurring [Member] | Level 2 [Member] | Corporate debt securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	4,686	7,467
Fair Value, Recurring [Member] | Level 2 [Member] | U.S. agency notes [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities		898
Fair Value, Recurring [Member] | Level 2 [Member] | Foreign government agency securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities		49
Fair Value, Recurring [Member] | Level 2 [Member] | Non-agency commercial mortgage-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	13	14
Fair Value, Recurring [Member] | Level 3 [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Investments segregated and on deposit for regulatory purposes	0	0
Other securities owned	0	0
Available for sale securities	0	0
Total	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | Money market funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | Commercial paper [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | Certificates of deposit [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Investments segregated and on deposit for regulatory purposes	0	0
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | U.S. Government securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Investments segregated and on deposit for regulatory purposes	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | Equity and bond mutual funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | State and municipal debt obligations [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | Equity, U.S. Government and corporate debt, and other securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | Schwab Funds money market funds [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Other securities owned	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | U.S. agency mortgage-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | U.S. Treasury securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | Asset-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | Corporate debt securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	0	0
Fair Value, Recurring [Member] | Level 3 [Member] | U.S. agency notes [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities		0
Fair Value, Recurring [Member] | Level 3 [Member] | Foreign government agency securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities		0
Fair Value, Recurring [Member] | Level 3 [Member] | Non-agency commercial mortgage-backed securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	$ 0	$ 0

Fair Values of Assets and Lia_4

Fair Values of Assets and Liabilities (Fair Value of Other Financial Instruments) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Assets
Held to maturity securities	$ 142,163	$ 142,038
U.S. agency mortgage-backed securities [Member]
Assets
Held to maturity securities	116,012	116,093
Asset-backed securities [Member]
Assets
Held to maturity securities	18,359	18,546
Corporate debt securities [Member]
Assets
Held to maturity securities	4,715	4,432
U.S. state and municipal securities [Member]
Assets
Held to maturity securities	1,413	1,348
Non-agency commercial mortgage-backed securities [Member]
Assets
Held to maturity securities	1,164	1,142
U.S. Treasury securities [Member]
Assets
Held to maturity securities	230	217
Certificates of deposit [Member]
Assets
Held to maturity securities	200	201
Foreign government agency securities [Member]
Assets
Held to maturity securities	50	49
Carrying Amount [Member]
Assets
Cash and cash equivalents	15,136	19,646
Cash and investments segregated and on deposit for regulatory purposes	12,595	8,886
Receivables from brokers, dealers, and clearing organizations	1,317	553
Receivables from brokerage clients — net	21,061	21,641
Held to maturity securities	140,194	144,009
Bank loans – net	16,895	16,609
Other assets	617	460
Total	207,815	211,804
Liabilities
Bank deposits	209,327	231,423
Payables to brokers, dealers, and clearing organizations	1,736	1,831
Payables to brokerage clients	35,622	32,726
Accrued expenses and other liabilities	1,252	1,370
Long-term debt	7,427	6,878
Total	255,364	274,228
Carrying Amount [Member] | First Mortgage [Member]
Assets
Bank loans – net	10,630	10,370
Carrying Amount [Member] | HELOCs [Member]
Assets
Bank loans – net	1,216	1,500
Carrying Amount [Member] | Pledged asset lines [Member]
Assets
Bank loans – net	4,878	4,561
Carrying Amount [Member] | Other [Member]
Assets
Bank loans – net	171	178
Carrying Amount [Member] | U.S. agency mortgage-backed securities [Member]
Assets
Held to maturity securities	114,276	118,064
Carrying Amount [Member] | Asset-backed securities [Member]
Assets
Held to maturity securities	18,323	18,502
Carrying Amount [Member] | Corporate debt securities [Member]
Assets
Held to maturity securities	4,659	4,477
Carrying Amount [Member] | U.S. state and municipal securities [Member]
Assets
Held to maturity securities	1,306	1,327
Carrying Amount [Member] | Non-agency commercial mortgage-backed securities [Member]
Assets
Held to maturity securities	1,136	1,156
Carrying Amount [Member] | U.S. Treasury securities [Member]
Assets
Held to maturity securities	224	223
Carrying Amount [Member] | Certificates of deposit [Member]
Assets
Held to maturity securities	200	200
Carrying Amount [Member] | Foreign government agency securities [Member]
Assets
Held to maturity securities	50	50
Carrying Amount [Member] | Other [Member]
Assets
Held to maturity securities	20	10
Portion at Other than Fair Value Measurement [Member]
Assets
Cash and cash equivalents	15,136	19,646
Cash and investments segregated and on deposit for regulatory purposes	12,595	8,886
Receivables from brokers, dealers, and clearing organizations	1,317	553
Receivables from brokerage clients — net	21,061	21,641
Held to maturity securities	142,163	142,038
Bank loans – net	16,986	16,515
Other assets	617	460
Total	209,875	209,739
Liabilities
Bank deposits	209,327	231,423
Payables to brokers, dealers, and clearing organizations	1,736	1,831
Payables to brokerage clients	35,622	32,726
Accrued expenses and other liabilities	1,252	1,370
Long-term debt	7,771	6,827
Total	255,708	274,177
Portion at Other than Fair Value Measurement [Member] | First Mortgage [Member]
Assets
Bank loans – net	10,682	10,193
Portion at Other than Fair Value Measurement [Member] | HELOCs [Member]
Assets
Bank loans – net	1,255	1,583
Portion at Other than Fair Value Measurement [Member] | Pledged asset lines [Member]
Assets
Bank loans – net	4,878	4,561
Portion at Other than Fair Value Measurement [Member] | Other [Member]
Assets
Bank loans – net	171	178
Portion at Other than Fair Value Measurement [Member] | U.S. agency mortgage-backed securities [Member]
Assets
Held to maturity securities	116,012	116,093
Portion at Other than Fair Value Measurement [Member] | Asset-backed securities [Member]
Assets
Held to maturity securities	18,359	18,546
Portion at Other than Fair Value Measurement [Member] | Corporate debt securities [Member]
Assets
Held to maturity securities	4,715	4,432
Portion at Other than Fair Value Measurement [Member] | U.S. state and municipal securities [Member]
Assets
Held to maturity securities	1,413	1,348
Portion at Other than Fair Value Measurement [Member] | Non-agency commercial mortgage-backed securities [Member]
Assets
Held to maturity securities	1,164	1,142
Portion at Other than Fair Value Measurement [Member] | U.S. Treasury securities [Member]
Assets
Held to maturity securities	230	217
Portion at Other than Fair Value Measurement [Member] | Certificates of deposit [Member]
Assets
Held to maturity securities	200	201
Portion at Other than Fair Value Measurement [Member] | Foreign government agency securities [Member]
Assets
Held to maturity securities	50	49
Portion at Other than Fair Value Measurement [Member] | Other [Member]
Assets
Held to maturity securities	20	10
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member]
Assets
Cash and cash equivalents	0	0
Cash and investments segregated and on deposit for regulatory purposes	0	0
Receivables from brokers, dealers, and clearing organizations	0	0
Receivables from brokerage clients — net	0	0
Held to maturity securities	0	0
Bank loans – net	0	0
Other assets	0	0
Total	0	0
Liabilities
Bank deposits	0	0
Payables to brokers, dealers, and clearing organizations	0	0
Payables to brokerage clients	0	0
Accrued expenses and other liabilities	0	0
Long-term debt	0	0
Total	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | First Mortgage [Member]
Assets
Bank loans – net	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | HELOCs [Member]
Assets
Bank loans – net	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | Pledged asset lines [Member]
Assets
Bank loans – net	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | Other [Member]
Assets
Bank loans – net	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | U.S. agency mortgage-backed securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | Asset-backed securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | Corporate debt securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | U.S. state and municipal securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | Non-agency commercial mortgage-backed securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | U.S. Treasury securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | Certificates of deposit [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | Foreign government agency securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 1 [Member] | Other [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member]
Assets
Cash and cash equivalents	15,136	19,646
Cash and investments segregated and on deposit for regulatory purposes	12,595	8,886
Receivables from brokers, dealers, and clearing organizations	1,317	553
Receivables from brokerage clients — net	21,061	21,641
Held to maturity securities	142,163	142,038
Bank loans – net	16,986	16,515
Other assets	617	460
Total	209,875	209,739
Liabilities
Bank deposits	209,327	231,423
Payables to brokers, dealers, and clearing organizations	1,736	1,831
Payables to brokerage clients	35,622	32,726
Accrued expenses and other liabilities	1,252	1,370
Long-term debt	7,771	6,827
Total	255,708	274,177
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | First Mortgage [Member]
Assets
Bank loans – net	10,682	10,193
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | HELOCs [Member]
Assets
Bank loans – net	1,255	1,583
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | Pledged asset lines [Member]
Assets
Bank loans – net	4,878	4,561
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | Other [Member]
Assets
Bank loans – net	171	178
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | U.S. agency mortgage-backed securities [Member]
Assets
Held to maturity securities	116,012	116,093
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | Asset-backed securities [Member]
Assets
Held to maturity securities	18,359	18,546
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | Corporate debt securities [Member]
Assets
Held to maturity securities	4,715	4,432
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | U.S. state and municipal securities [Member]
Assets
Held to maturity securities	1,413	1,348
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | Non-agency commercial mortgage-backed securities [Member]
Assets
Held to maturity securities	1,164	1,142
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | U.S. Treasury securities [Member]
Assets
Held to maturity securities	230	217
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | Certificates of deposit [Member]
Assets
Held to maturity securities	200	201
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | Foreign government agency securities [Member]
Assets
Held to maturity securities	50	49
Portion at Other than Fair Value Measurement [Member] | Level 2 [Member] | Other [Member]
Assets
Held to maturity securities	20	10
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member]
Assets
Cash and cash equivalents	0	0
Cash and investments segregated and on deposit for regulatory purposes	0	0
Receivables from brokers, dealers, and clearing organizations	0	0
Receivables from brokerage clients — net	0	0
Held to maturity securities	0	0
Bank loans – net	0	0
Other assets	0	0
Total	0	0
Liabilities
Bank deposits	0	0
Payables to brokers, dealers, and clearing organizations	0	0
Payables to brokerage clients	0	0
Accrued expenses and other liabilities	0	0
Long-term debt	0	0
Total	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | First Mortgage [Member]
Assets
Bank loans – net	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | HELOCs [Member]
Assets
Bank loans – net	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | Pledged asset lines [Member]
Assets
Bank loans – net	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | Other [Member]
Assets
Bank loans – net	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | U.S. agency mortgage-backed securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | Asset-backed securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | Corporate debt securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | U.S. state and municipal securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | Non-agency commercial mortgage-backed securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | U.S. Treasury securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | Certificates of deposit [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | Foreign government agency securities [Member]
Assets
Held to maturity securities	0	0
Portion at Other than Fair Value Measurement [Member] | Level 3 [Member] | Other [Member]
Assets
Held to maturity securities	$ 0	$ 0

Stockholders' Equity (Narrative

Stockholders' Equity (Narrative) (Details) - USD ($) shares in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Jan. 30, 2019
Class of Stock [Line Items]
Shares repurchased	$ 771,000,000	$ 1,991,000,000
Common Stock [Member]
Class of Stock [Line Items]
Share repurchase, authorized amount			$ 4,000,000,000
Shares repurchased (in shares)	20	49
Shares repurchased	$ 771,000,000	$ 2,000,000,000

Stockholders' Equity (Preferred

Stockholders' Equity (Preferred Stock Issued and Outstanding) (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Shares issued (in shares)	1,761,000	1,761,000
Shares outstanding (in shares)	1,761,000	1,761,000
Carrying Value	$ 2,793	$ 2,793
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Shares issued (in shares)	600,000	600,000
Shares outstanding (in shares)	600,000	600,000
Liquidation preference per share (USD per share)	$ 1,000
Carrying Value	$ 585	$ 585
Dividend Rate in Effect	6.00%
Series D Preferred Stock [Member]
Class of Stock [Line Items]
Shares issued (in shares)	750,000	750,000
Shares outstanding (in shares)	750,000	750,000
Liquidation preference per share (USD per share)	$ 1,000
Carrying Value	$ 728	$ 728
Dividend Rate in Effect	5.95%
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Shares issued (in shares)	400,000	400,000
Shares outstanding (in shares)	400,000	400,000
Liquidation preference per share (USD per share)	$ 1,000
Carrying Value	$ 397	$ 397
Dividend Rate in Effect	7.00%
Series A Preferred Stock [Member] | LIBOR [Member]
Class of Stock [Line Items]
Floating Annual Rate	4.82%
Series E Preferred Stock [Member]
Class of Stock [Line Items]
Shares issued (in shares)	6,000	6,000
Shares outstanding (in shares)	6,000	6,000
Liquidation preference per share (USD per share)	$ 100,000
Carrying Value	$ 591	$ 591
Dividend Rate in Effect	4.625%
Series E Preferred Stock [Member] | LIBOR [Member]
Class of Stock [Line Items]
Floating Annual Rate	3.315%
Series F Preferred Stock [Member]
Class of Stock [Line Items]
Shares issued (in shares)	5,000	5,000
Shares outstanding (in shares)	5,000	5,000
Liquidation preference per share (USD per share)	$ 100,000
Carrying Value	$ 492	$ 492
Dividend Rate in Effect	5.00%
Series F Preferred Stock [Member] | LIBOR [Member]
Class of Stock [Line Items]
Floating Annual Rate	2.575%

Stockholders' Equity (Dividends

Stockholders' Equity (Dividends Declared) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Class of Stock [Line Items]
Dividends declared	$ 34	$ 34	$ 115	$ 117
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Dividends declared	$ 0	$ 0	$ 14	$ 14
Dividends declared, per share amount (USD per share)	$ 0	$ 0	$ 35	$ 35
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Dividends declared	$ 9	$ 9	$ 27	$ 27
Dividends declared, per share amount (USD per share)	$ 15	$ 15	$ 45	$ 45
Series D Preferred Stock [Member]
Class of Stock [Line Items]
Dividends declared	$ 11	$ 11	$ 33	$ 33
Dividends declared, per share amount (USD per share)	$ 14.88	$ 14.88	$ 44.64	$ 44.64
Series E Preferred Stock [Member]
Class of Stock [Line Items]
Dividends declared	$ 14	$ 14	$ 28	$ 28
Dividends declared, per share amount (USD per share)	$ 2,312.50	$ 2,312.50	$ 4,625	$ 4,625
Series F Preferred Stock [Member]
Class of Stock [Line Items]
Dividends declared	$ 0	$ 0	$ 13	$ 15
Dividends declared, per share amount (USD per share)	$ 0	$ 0	$ 2,500	$ 2,930.56

Accumulated Other Comprehensi_3

Accumulated Other Comprehensive Income (Components of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Other comprehensive income (loss) before tax
Net unrealized gain (loss)	$ 51	$ (43)	$ 496	$ (184)
Other reclassifications included in other revenue	(1)	0	(5)	0
Amortization of amounts previously recorded upon transfer to held to maturity from available for sale	10	8	30	26
Other comprehensive income (loss), before tax	60	(35)	521	(158)
Tax Effect
Net unrealized gain (loss)	(12)	11	(119)	45
Other reclassifications included in other revenue	0	0	1	0
Amortization of amounts previously recorded upon transfer to held to maturity from available for sale	(3)	(2)	(7)	(6)
Other comprehensive income (loss)	(15)	9	(125)	39
Net of Tax
Net unrealized gain (loss)	39	(32)	377	(139)
Other reclassifications included in other revenue	(1)	0	(4)	0
Amortization of amounts previously recorded upon transfer from available for sale	7	6	23	20
Other comprehensive income (loss), net of tax	$ 45	$ (26)	$ 396	$ (119)

Accumulated Other Comprehensi_4

Accumulated Other Comprehensive Income (Accumulated Other Comprehensive Income Balances) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Accumulated Other Comprehensive Income
Beginning Balance	$ 99	$ (278)	$ (252)	$ (152)
Other net changes	45	(26)	396	(119)
Ending Balance	144	(304)	144	(304)
Adoption of accounting standards [Member] | ASU 2018-02 [Member]
Accumulated Other Comprehensive Income
Other net changes				(33)
Net unrealized gain (loss) on available for sale securities [Member]
Accumulated Other Comprehensive Income
Other net changes	39	(32)	358	(139)
Net unrealized gain on securities transferred to available for sale from held to maturity [Member]
Accumulated Other Comprehensive Income
Other net changes			19
Other reclassifications included in other revenue [Member]
Accumulated Other Comprehensive Income
Other net changes	(1)		(4)
Amortization of amounts previously recorded upon transfer to held to maturity from available for sale [Member]
Accumulated Other Comprehensive Income
Other net changes	$ 7	$ 6	$ 23	$ 20

Regulatory Requirements (Regula

Regulatory Requirements (Regulatory Capital and Ratios) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
CSC [Member]
Common Equity Tier 1 Risk-Based Capital
Actual Amount	$ 17,264	$ 16,813
Actual Ratio	20.00%	17.60%
Minimum Capital Requirement Amount	$ 3,877	$ 4,295
Minimum Capital Requirement Ratio	4.50%	4.50%
Tier 1 Risk-Based Capital
Actual Amount	$ 20,057	$ 19,606
Actual Ratio	23.30%	20.50%
Minimum Capital Requirement Amount	$ 5,170	$ 5,726
Minimum Capital Requirement Ratio	6.00%	6.00%
Total Risk-Based Capital
Actual Amount	$ 20,075	$ 19,628
Actual Ratio	23.30%	20.60%
Minimum Capital Requirement Amount	$ 6,893	$ 7,635
Minimum Capital Requirement Ratio	8.00%	8.00%
Tier 1 Leverage
Actual Amount	$ 20,057	$ 19,606
Actual Ratio	7.30%	7.10%
Minimum Capital Requirement Amount	$ 10,945	$ 11,058
Minimum Capital Requirement Ratio	4.00%	4.00%
Supplemental Leverage Ratio
Actual Amount	$ 20,057
Actual Ratio	7.10%
Minimum Capital Requirement Amount	$ 8,418
Minimum Capital Requirement Ratio	3.00%
CSB [Member]
Common Equity Tier 1 Risk-Based Capital
Actual Amount	$ 15,577	$ 15,832
Actual Ratio	22.90%	19.70%
Minimum to be Well Capitalized Amount	$ 4,430	$ 5,233
Minimum to be Well Capitalized Ratio	6.50%	6.50%
Minimum Capital Requirement Amount	$ 3,067	$ 3,623
Minimum Capital Requirement Ratio	4.50%	4.50%
Tier 1 Risk-Based Capital
Actual Amount	$ 15,577	$ 15,832
Actual Ratio	22.90%	19.70%
Minimum to be Well Capitalized Amount	$ 5,452	$ 6,441
Minimum to be Well Capitalized Ratio	8.00%	8.00%
Minimum Capital Requirement Amount	$ 4,089	$ 4,831
Minimum Capital Requirement Ratio	6.00%	6.00%
Total Risk-Based Capital
Actual Amount	$ 15,594	$ 15,853
Actual Ratio	22.90%	19.70%
Minimum to be Well Capitalized Amount	$ 6,815	$ 8,051
Minimum to be Well Capitalized Ratio	10.00%	10.00%
Minimum Capital Requirement Amount	$ 5,452	$ 6,441
Minimum Capital Requirement Ratio	8.00%	8.00%
Tier 1 Leverage
Actual Amount	$ 15,577	$ 15,832
Actual Ratio	7.40%	7.20%
Minimum to be Well Capitalized Amount	$ 10,537	$ 11,044
Minimum to be Well Capitalized Ratio	5.00%	5.00%
Minimum Capital Requirement Amount	$ 8,429	$ 8,836
Minimum Capital Requirement Ratio	4.00%	4.00%
Supplemental Leverage Ratio
Actual Amount	$ 15,577
Actual Ratio	7.20%
Minimum Capital Requirement Amount	$ 6,524
Minimum Capital Requirement Ratio	3.00%

Regulatory Requirements (Narrat

Regulatory Requirements (Narrative) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total assets	$ 278,987	$ 296,482
Charles Schwab Premier Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total assets	$ 13,500

Regulatory Requirements (Net Ca

Regulatory Requirements (Net Capital and Net Capital Requirements) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Banking and Thrift [Abstract]
Net Capital	$ 2,235,000	$ 2,304,000
Minimum net capital required	250	250
2% of aggregate debit balances	440,000	436,000
Net Capital in excess of required net capital	$ 1,795,000	$ 1,868,000

Segment Information (Narrative)

Segment Information (Narrative) (Details)	9 Months Ended
	Sep. 30, 2019segment
Segment Reporting [Abstract]
Number of reportable segments	2

Segment Information (Financial

Segment Information (Financial Information for Reportable Segments) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net Revenues
Net interest revenue	$ 1,631	$ 1,527	$ 4,921	$ 4,197
Other	83	67	297	235
Total net revenues	2,711	2,579	8,115	7,463
Expenses Excluding Interest	1,475	1,360	4,379	4,111
Income before taxes on income	1,236	1,219	3,736	3,352
Asset management and administration fees [Member]
Net Revenues
Asset management and administration fees and Trading revenue	825	809	2,366	2,474
Trading revenue [Member]
Net Revenues
Asset management and administration fees and Trading revenue	172	176	531	557
Investor Services [Member]
Net Revenues
Net interest revenue	1,182	1,138	3,531	3,158
Other	68	53	207	182
Total net revenues	1,944	1,868	5,746	5,421
Expenses Excluding Interest	1,070	1,015	3,189	3,069
Income before taxes on income	874	853	2,557	2,352
Investor Services [Member] | Asset management and administration fees [Member]
Net Revenues
Asset management and administration fees and Trading revenue	586	565	1,679	1,727
Investor Services [Member] | Trading revenue [Member]
Net Revenues
Asset management and administration fees and Trading revenue	108	112	329	354
Advisor Services [Member]
Net Revenues
Net interest revenue	449	389	1,390	1,039
Other	15	14	90	53
Total net revenues	767	711	2,369	2,042
Expenses Excluding Interest	405	345	1,190	1,042
Income before taxes on income	362	366	1,179	1,000
Advisor Services [Member] | Asset management and administration fees [Member]
Net Revenues
Asset management and administration fees and Trading revenue	239	244	687	747
Advisor Services [Member] | Trading revenue [Member]
Net Revenues
Asset management and administration fees and Trading revenue	$ 64	$ 64	$ 202	$ 203