Comerica (CMA) 10-Q 26 Jul 24 2024 Q2 Quarterly report Financial data

Cover

Cover - shares	6 Months Ended
	Jun. 30, 2024	Jul. 24, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2024
Document Transition Report	false
Entity File Number	1-10706
Entity Registrant Name	Comerica Incorporated
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	38-1998421
Entity Address, Address Line One	1717 Main Street, MC 6404
Entity Address, City or Town	Dallas
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75201
City Area Code	(833)
Local Phone Number	571-0486
Title of 12(b) Security	Common Stock, $5 par value
Trading Symbol	CMA
Security Exchange Name	NYSE
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		132,669,896
Entity Central Index Key	0000028412
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2
Amendment Flag	false

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
ASSETS
Cash and due from banks	$ 719	$ 1,443
Interest-bearing deposits with banks	4,093	8,059
Other short-term investments	396	399
Investment securities available-for-sale	15,656	16,869
Commercial loans	27,113	27,251
Real estate construction loans	4,554	5,083
Commercial mortgage loans	14,156	13,686
Lease financing	806	807
International loans	1,087	1,102
Residential mortgage loans	1,896	1,889
Consumer loans	2,238	2,295
Total loans	51,850	52,113
Allowance for loan losses	(686)	(688)
Net loans	51,164	51,425
Premises and equipment	474	445
Accrued income and other assets	7,095	7,194
Total assets	79,597	85,834
LIABILITIES AND SHAREHOLDERS’ EQUITY
Noninterest-bearing deposits	24,522	27,849
Money market and interest-bearing checking deposits	29,016	28,246
Savings deposits	2,247	2,381
Customer certificates of deposit	3,775	3,723
Other time deposits	2,879	4,550
Foreign office time deposits	20	13
Total interest-bearing deposits	37,937	38,913
Total deposits	62,459	66,762
Short-term borrowings	1,250	3,565
Accrued expenses and other liabilities	2,615	2,895
Medium- and long-term debt	7,112	6,206
Total liabilities	73,436	79,428
Fixed rate reset non-cumulative perpetual preferred stock, series A, no par value, $100,000, liquidation preference per share: Issued - 4,000 shares	394	394
Common stock - $5 par value: Issued - 228,164,824 shares	1,141	1,141
Capital surplus	2,210	2,224
Accumulated other comprehensive loss	(3,463)	(3,048)
Retained earnings	11,867	11,727
Less cost of common stock in treasury - 95,559,986 shares at 6/30/2024 and 96,266,568 shares at 12/31/2023	(5,988)	(6,032)
Total shareholders’ equity	6,161	6,406
Total liabilities and shareholders’ equity	$ 79,597	$ 85,834

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Preferred stock, no par value (in dollars per share)	$ 0	$ 0
Preferred stock, liquidation preference (in dollars per share)	$ 100,000	$ 100,000
Preferred stock, authorized (in shares)	4,000	4,000
Preferred stock, issued (in shares)	4,000	4,000
Common stock, par value (usd per share)	$ 5	$ 5
Common stock, authorized (in shares)	325,000,000	325,000,000
Common stock, issued (in shares)	228,164,824	228,164,824
Common stock, treasury (in shares)	95,559,986	96,266,568

Consolidated Statements Of Comp

Consolidated Statements Of Comprehensive Income (unaudited) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
INTEREST INCOME
Interest and fees on loans		$ 803	$ 852	$ 1,611	$ 1,629
Interest on investment securities		101	108	203	221
Interest on short-term investments		67	114	176	173
Total interest income		971	1,074	1,990	2,023
INTEREST EXPENSE
Interest on deposits		305	201	622	319
Interest on short-term borrowings		9	142	46	208
Interest on medium- and long-term debt	[1]	124	110	241	167
Total interest expense		438	453	909	694
Net interest income		533	621	1,081	1,329
Provision for credit losses		0	33	14	63
Net interest income after provision for credit losses		533	588	1,067	1,266
NONINTEREST INCOME
Card fees		64	72	130	141
Fiduciary income		58	62	109	120
Service charges on deposit accounts		46	47	91	93
Capital markets income		37	39	67	78
Commercial lending fees		17	18	33	36
Risk management hedging (loss) income		17	7	(8)	15
Brokerage fees		14	8	24	16
Bank-owned life insurance		11	14	21	24
Letter of credit fees		10	11	20	21
Other noninterest income		17	25	40	41
Total noninterest income		291	303	527	585
NONINTEREST EXPENSES
Salaries and benefits expense		323	306	671	632
Outside processing fee expense		68	68	136	132
Software expense		45	43	89	83
Occupancy expense		44	41	88	82
FDIC insurance expense		19	16	55	29
Equipment expense		13	12	25	24
Advertising expense		12	10	20	18
Other noninterest expenses		31	39	74	86
Total noninterest expenses		555	535	1,158	1,086
Income before income taxes		269	356	436	765
Provision for income taxes		63	83	92	168
NET INCOME		206	273	344	597
Less:
Income allocated to participating securities		1	2	2	3
Preferred stock dividends		5	5	11	11
Net income attributable to common shares		$ 200	$ 266	$ 331	$ 583
Earnings per common share:
Basic (in dollars per share)		$ 1.50	$ 2.02	$ 2.49	$ 4.43
Diluted (in dollars per share)		$ 1.49	$ 2.01	$ 2.47	$ 4.40
Comprehensive income (loss)		$ 200	$ (312)	$ (71)	$ 583
Cash dividends declared on common stock		$ 95	$ 94	$ 189	$ 188
Cash dividends declared per common share (in dollars per share)		$ 0.71	$ 0.71	$ 1.42	$ 1.42
[1]Includes the effects of hedging.

Consolidated Statements Of Chan

Consolidated Statements Of Changes In Shareholders' Equity (unaudited) - USD ($) shares in Millions, $ in Millions		Total	Nonredeemable Preferred Stock	Common Stock	Capital Surplus	Accumulated Other Comprehensive Loss	Retained Earnings	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2022				131
Balance at Dec. 31, 2022		$ 5,181	$ 394	$ 1,141	$ 2,220	$ (3,742)	$ 11,258	$ (6,090)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		597					597
Other comprehensive income (loss), net of tax		(14)				(14)
Cash dividends declared on common stock		(188)					(188)
Cash dividends declared on preferred stock		(11)					(11)
Net issuance of common stock under employee stock plans (in shares)				0.7
Net issuance of common stock under employee stock plans		(5)			(43)		(8)	46
Share-based compensation		35			35
Ending balance at Jun. 30, 2023		5,595	394	$ 1,141	2,212	(3,756)	11,648	(6,044)
Ending Balance (in shares) at Jun. 30, 2023				131.7
Beginning balance (in shares) at Mar. 31, 2023				131.5
Balance at Mar. 31, 2023		5,994	394	$ 1,141	2,209	(3,171)	11,476	(6,055)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		273					273
Other comprehensive income (loss), net of tax		(585)				(585)
Cash dividends declared on common stock		(94)					(94)
Cash dividends declared on preferred stock		(5)					(5)
Net issuance of common stock under employee stock plans (in shares)				0.2
Net issuance of common stock under employee stock plans		5			(4)		(2)	11
Share-based compensation		7			7
Ending balance at Jun. 30, 2023		5,595	394	$ 1,141	2,212	(3,756)	11,648	(6,044)
Ending Balance (in shares) at Jun. 30, 2023				131.7
Beginning balance (in shares) at Dec. 31, 2023				131.9
Balance at Dec. 31, 2023		6,406	394	$ 1,141	2,224	(3,048)	11,727	(6,032)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principle	[1]	(4)					(4)
Net income		344					344
Other comprehensive income (loss), net of tax		(415)				(415)
Cash dividends declared on common stock		(189)					(189)
Cash dividends declared on preferred stock		(11)					(11)
Net issuance of common stock under employee stock plans (in shares)				0.7
Net issuance of common stock under employee stock plans		(6)			(50)		0	44
Share-based compensation		36			36
Ending balance at Jun. 30, 2024		6,161	394	$ 1,141	2,210	(3,463)	11,867	(5,988)
Ending Balance (in shares) at Jun. 30, 2024				132.6
Beginning balance (in shares) at Mar. 31, 2024				132.5
Balance at Mar. 31, 2024		6,050	394	$ 1,141	2,202	(3,457)	11,765	(5,995)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		206					206
Other comprehensive income (loss), net of tax		(6)				(6)
Cash dividends declared on common stock		(95)					(95)
Cash dividends declared on preferred stock		(5)					(5)
Net issuance of common stock under employee stock plans (in shares)				0.1
Net issuance of common stock under employee stock plans		2			(1)		(4)	7
Share-based compensation		9			9
Ending balance at Jun. 30, 2024		$ 6,161	$ 394	$ 1,141	$ 2,210	$ (3,463)	$ 11,867	$ (5,988)
Ending Balance (in shares) at Jun. 30, 2024				132.6
[1] Effective January 1, 2024, the Corporation adopted ASU 2023-02, which expanded the permitted use of the proportional amortization method to certain tax credit investments.

Consolidated Statements Of Ch_2

Consolidated Statements Of Changes In Shareholders' Equity (unaudited) (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Stockholders' Equity [Abstract]
Cash dividends declared (in dollars per share)	$ 0.71	$ 0.71	$ 1.42	$ 1.42

Consolidated Statements Of Cash

Consolidated Statements Of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
OPERATING ACTIVITIES
Net income	$ 344	$ 597
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Provision for credit losses	14	63
Benefit for deferred income taxes	(1)	(15)
Depreciation and amortization	47	42
Net periodic defined benefit credit	(24)	(14)
Share-based compensation expense	36	35
Net amortization of securities	6	10
Net gain on sale of foreclosed property	(1)	0
Accrued income receivable	15	(74)
Accrued expenses payable	(181)	48
Other, net	(349)	(385)
Net cash (used in) provided by operating activities	(94)	307
INVESTING ACTIVITIES
Maturities and redemptions	959	1,684
Purchases	(34)	0
Net change in loans	217	(2,361)
Proceeds from sales of foreclosed property	1	0
Net increase in premises and equipment	(84)	(54)
Purchases	(400)	(504)
Redemptions	494	79
Proceeds from bank-owned life insurance settlements	18	11
Net cash provided by (used in) investing activities	1,171	(1,145)
FINANCING ACTIVITIES
Deposits	(4,247)	(5,366)
Short-term borrowings	(2,315)	6,347
Issuances and advances of medium- and long-term debt	1,000	4,000
Cash dividends paid on preferred stock	(11)	(11)
Stock tendered for payment of withholding taxes	(13)	(16)
Cash dividends paid	(185)	(182)
Issuances under employee stock plans	4	7
Net cash (used in) provided by financing activities	(5,767)	4,779
Net (decrease) increase in cash and cash equivalents	(4,690)	3,941
Cash and cash equivalents at beginning of period	9,502	6,282
Cash and cash equivalents at end of period	4,812	10,223
Interest paid	1,025	538
Income taxes paid	$ 62	$ 172

Basis of Presentation and Accou

Basis of Presentation and Accounting Policies	6 Months Ended
	Jun. 30, 2024
Accounting Policies [Abstract]
Basis of Presentation and Accounting Policies	BASIS OF PRESENTATION AND ACCOUNTING POLICIES Organization The accompanying unaudited consolidated financial statements were prepared in accordance with United States (U.S.) generally accepted accounting principles (GAAP) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, the statements do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation were included. The results of operations for the three and six months ended June 30, 2024 are not necessarily indicative of the results that may be expected for the year ending December 31, 2024. Certain items in prior periods were reclassified to conform to the current presentation. The accompanying unaudited financial statements should be read in conjunction with the consolidated financial statements and footnotes included in the Annual Report on Form 10-K of Comerica Incorporated and Subsidiaries (the Corporation) for the year ended December 31, 2023 (2023 Annual Report). Accounting Pronouncements Recently Adopted Effective January 1, 2024, the Corporation adopted the provisions of Financial Accounting Standards Board (FASB) Accounting Standards Update (ASU) No. 2023-02, "Investments-Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method (a consensus of the Emerging Issues Task Force)" (ASU 2023-02). ASU 2023-02 expanded the permitted use of the proportional amortization method, which was previously only available to low-income housing tax credit investments, to other tax equity investments if certain conditions are met. Under the proportional amortization method, the initial cost of an investment is amortized in proportion to the income tax benefits received and both the amortization of the investment and the income tax benefits received are recognized as a component of income tax expense. ASU 2023-02 was adopted on a modified retrospective basis of transition or, for certain changes, a prospective basis and resulted in a reduction to retained earnings as of January 1, 2024 of $4 million. Recently Issued Accounting Pronouncements In November 2023, the FASB issued ASU No. 2023-07 "Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures" (ASU 2023-07). The update requires enhanced disclosures about significant segment expenses, enhanced interim disclosure requirements, clarification for when multiple segment measures of profit or loss can be disclosed and other requirements intended to improve overall reportable segment disclosures in annual and interim periods. ASU 2023-07 is effective for the Corporation in the annual period beginning on January 1, 2024 and interim periods beginning on January 1, 2025 with retrospective application to all prior periods presented. Early adoption is permitted. The Corporation is evaluating the impact of ASU 2023-07 on its reportable segment disclosures.

Fair Value Measurements

Fair Value Measurements	6 Months Ended
	Jun. 30, 2024
Fair Value Disclosures [Abstract]
Fair Value Measurements	FAIR VALUE MEASUREMENTS The Corporation utilizes fair value measurements to record fair value adjustments to certain assets and liabilities and to determine fair value disclosures. The determination of fair values of financial instruments often requires the use of estimates. In cases where quoted market values in an active market are not available, the Corporation uses present value techniques and other valuation methods to estimate the fair values of its financial instruments. These valuation methods require considerable judgment and the resulting estimates of fair value can be significantly affected by the assumptions made and methods used. Investment securities available-for-sale, derivatives, deferred compensation plans and equity securities with readily determinable fair values (primarily money market mutual funds) are recorded at fair value on a recurring basis. Additionally, from time to time, the Corporation may be required to record other assets and liabilities at fair value on a nonrecurring basis, such as impaired loans, loans held for sale, other real estate (primarily foreclosed property), nonmarketable equity securities and certain other assets and liabilities. These nonrecurring fair value adjustments typically involve write-downs of individual assets or application of lower of cost or fair value accounting. Refer to Note 1 to the consolidated financial statements in the Corporation's 2023 Annual Report for further information about the fair value hierarchy, descriptions of the valuation methodologies and key inputs used to measure financial assets and liabilities recorded at fair value, as well as a description of the methods and significant assumptions used to estimate fair value disclosures for financial instruments not recorded at fair value in their entirety on a recurring basis. Assets and Liabilities Recorded at Fair Value on a Recurring Basis The following tables present the recorded amount of assets and liabilities measured at fair value on a recurring basis as of June 30, 2024 and December 31, 2023. (in millions) Total Level 1 Level 2 Level 3 June 30, 2024 Deferred compensation plan assets $ 110 $ 110 $ — $ — Equity securities 46 46 — — Investment securities available-for-sale: U.S. Treasury securities 1,304 1,304 — — Residential mortgage-backed securities (a) 9,678 — 9,678 — Commercial mortgage-backed securities (a) 4,674 — 4,674 — Total investment securities available-for-sale 15,656 1,304 14,352 — Derivative assets: Interest rate contracts 203 — 203 — Energy contracts 565 — 565 — Foreign exchange contracts 32 — 32 — Total derivative assets 800 — 800 — Total assets at fair value $ 16,612 $ 1,460 $ 15,152 $ — Derivative liabilities: Interest rate contracts $ 480 $ — $ 480 $ — Energy contracts 558 — 558 — Foreign exchange contracts 22 — 22 — Other financial derivative liabilities 6 — — 6 Total derivative liabilities 1,066 — 1,060 6 Deferred compensation plan liabilities 110 110 — — Total liabilities at fair value $ 1,176 $ 110 $ 1,060 $ 6 December 31, 2023 Deferred compensation plan assets $ 104 $ 104 $ — $ — Equity securities 39 39 — — Investment securities available-for-sale: U.S. Treasury securities 1,605 1,605 — — Residential mortgage-backed securities (a) 10,519 — 10,519 — Commercial mortgage-backed securities (a) 4,745 — 4,745 — Total investment securities available-for-sale 16,869 1,605 15,264 — Derivative assets: Interest rate contracts 225 — 225 — Energy contracts 758 — 758 — Foreign exchange contracts 36 — 36 — Total derivative assets 1,019 — 1,019 — Total assets at fair value $ 18,031 $ 1,748 $ 16,283 $ — Derivative liabilities: Interest rate contracts $ 435 $ — $ 435 $ — Energy contracts 736 — 736 — Foreign exchange contracts 35 — 35 — Other financial derivative liabilities 12 — — 12 Total derivative liabilities 1,218 — 1,206 12 Deferred compensation plan liabilities 104 104 — — Total liabilities at fair value $ 1,322 $ 104 $ 1,206 $ 12 (a) Issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises. There were no transfers of assets or liabilities recorded at fair value on a recurring basis into or out of Level 3 fair value measurements during the three- and six-month periods ended June 30, 2024 and 2023. The following table summarizes the changes in Level 3 assets and liabilities measured at fair value on a recurring basis for the three- and six-month periods ended June 30, 2024 and 2023. Net Realized/Unrealized Gains (Losses) (Pretax) Recorded in Earnings (a) (in millions) Balance at Beginning of Period Realized Unrealized Balance at End of Period Three Months Ended June 30, 2024 Derivative liabilities: Other financial derivative liabilities $ (12) $ 6 $ — $ (6) Three Months Ended June 30, 2023 Derivative liabilities: Other financial derivative liabilities (12) — (2) (14) Six Months Ended June 30, 2024 Derivative liabilities: Other financial derivative liabilities (12) 6 — (6) Six Months Ended June 30, 2023 Derivative liabilities: Other financial derivative liabilities (12) — (2) (14) (a) Realized and unrealized gains and losses due to changes in fair value are recorded in other noninterest income on the Consolidated Statements of Comprehensive Income. Assets and Liabilities Recorded at Fair Value on a Nonrecurring Basis The Corporation may be required to record certain assets and liabilities at fair value on a nonrecurring basis. These include assets that are recorded at the lower of cost or fair value, and were recognized at fair value since it was less than cost at the end of the period. The following table presents assets recorded at fair value on a nonrecurring basis at June 30, 2024 and December 31, 2023. No liabilities were recorded at fair value on a nonrecurring basis at June 30, 2024 and December 31, 2023. (in millions) Level 3 June 30, 2024 Loans: Commercial $ 21 Commercial mortgage 46 International 7 Residential mortgage 8 Total loans 82 Loans held-for-sale 217 Other real estate 7 Total assets at fair value $ 306 December 31, 2023 Loans: Commercial $ 12 Commercial mortgage 16 International 16 Total loans 44 Loans held-for-sale 231 Other real estate 5 Total assets at fair value $ 280 Level 3 assets recorded at fair value on a nonrecurring basis at June 30, 2024 and December 31, 2023 included loans with a specific allowance and certain bank property held for sale, both measured based on the fair value of collateral. The unobservable inputs were the additional adjustments applied by management to the appraised values to reflect such factors as non-current appraisals and revisions to estimated time to sell. These adjustments are determined based on qualitative judgments made by management on a case-by-case basis and are not observable inputs, although they are used in the determination of fair value. At June 30, 2024 and December 31, 2023, loans held-for-sale classified as Level 3 represented loans held-for-sale in less liquid markets requiring significant management assumptions when determining fair value. Estimated Fair Values of Financial Instruments Not Recorded at Fair Value on a Recurring Basis The Corporation typically holds the majority of its financial instruments until maturity and thus does not expect to realize many of the estimated fair value amounts disclosed. The disclosures do not include estimated fair value amounts for items that are not defined as financial instruments, but which have significant value. These include such items as core deposit intangibles, the future earnings potential of significant customer relationships and the value of trust operations and other fee generating businesses. The Corporation believes the imprecision of an estimate could be significant. The disclosures also do not include a limited amount of nonmarketable equity securities (primarily indirect private equity and venture capital investments) that do not have a readily determinable fair value and whose fair values are based on net asset value. The carrying amount and estimated fair value of financial instruments not recorded at fair value in their entirety on a recurring basis on the Corporation’s Consolidated Balance Sheets are as follows: Carrying Estimated Fair Value (in millions) Total Level 1 Level 2 Level 3 June 30, 2024 Assets Cash and due from banks $ 719 $ 719 $ 719 $ — $ — Interest-bearing deposits with banks 4,093 4,093 4,093 — — Other short-term investments 21 21 21 — — Total loans, net of allowance for loan losses (a) 51,164 50,412 — — 50,412 Liabilities Demand deposits 55,785 55,785 — 55,785 — Time deposits 6,674 6,682 — 6,682 — Total deposits 62,459 62,467 — 62,467 — Short-term borrowings 1,250 1,250 1,250 — — Medium- and long-term debt 7,112 7,190 — 7,190 — Credit-related financial instruments (63) (63) — — (63) December 31, 2023 Assets Cash and due from banks $ 1,443 $ 1,443 $ 1,443 $ — $ — Interest-bearing deposits with banks 8,059 8,059 8,059 — — Other short-term investments 24 24 24 — — Total loans, net of allowance for loan losses (a) 51,425 50,633 — — 50,633 Liabilities Demand deposits 58,476 58,476 — 58,476 — Time deposits 8,286 8,391 — 8,391 — Total deposits 66,762 66,867 — 66,867 — Short-term borrowings 3,565 3,565 3,565 — — Medium- and long-term debt 6,206 6,207 — 6,207 — Credit-related financial instruments (72) (72) — — (72) (a) Included $82 million and $44 million of loans recorded at fair value on a nonrecurring basis at June 30, 2024 and December 31, 2023, respectively.

Investment Securities

Investment Securities	6 Months Ended
	Jun. 30, 2024
Investments, Debt and Equity Securities [Abstract]
Investment Securities	INVESTMENT SECURITIES A summary of the Corporation’s investment securities follows: (in millions) Amortized Gross Gross Fair Value June 30, 2024 Investment securities available-for-sale: U.S. Treasury securities $ 1,354 $ — $ 50 $ 1,304 Residential mortgage-backed securities (a) 12,005 — 2,327 9,678 Commercial mortgage-backed securities (a) 5,251 — 577 4,674 Total investment securities available-for-sale $ 18,610 $ — $ 2,954 $ 15,656 December 31, 2023 Investment securities available-for-sale: U.S. Treasury securities $ 1,681 $ — $ 76 $ 1,605 Residential mortgage-backed securities (a) 12,607 — 2,088 10,519 Commercial mortgage-backed securities (a) 5,253 — 508 4,745 Total investment securities available-for-sale $ 19,541 $ — $ 2,672 $ 16,869 (a) Issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises. A summary of the Corporation’s investment securities in an unrealized loss position as of June 30, 2024 and December 31, 2023 follows: Less than 12 Months 12 Months or more Total (in millions, except securities count) Fair Unrealized Fair Unrealized Fair Unrealized Count June 30, 2024 U.S. Treasury securities $ 35 $ — $ 1,269 $ 50 $ 1,304 $ 50 16 Residential mortgage-backed securities (a) 2 — 9,675 2,327 9,677 2,327 947 Commercial mortgage-backed securities (a) — — 4,674 577 4,674 577 252 Total temporarily impaired securities $ 37 $ — $ 15,618 $ 2,954 $ 15,655 $ 2,954 1,215 December 31, 2023 U.S. Treasury securities $ — $ — $ 1,605 $ 76 $ 1,605 $ 76 19 Residential mortgage-backed securities (a) 10 — 10,507 2,088 10,517 2,088 978 Commercial mortgage-backed securities (a) — — 4,745 508 4,745 508 253 Total temporarily impaired securities $ 10 $ — $ 16,857 $ 2,672 $ 16,867 $ 2,672 1,250 (a) Issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises. Unrealized losses on investment securities resulted from changes in market interest rates. The Corporation’s portfolio is comprised of securities issued or guaranteed by U.S. government agencies or government-sponsored enterprises. As such, it is expected that the securities would not be settled at a price less than the amortized cost of the investments. Further, the Corporation does not intend to sell the investments, and it is not more-likely-than-not that it will be required to sell the investments before recovery of amortized costs. No allowance for credit losses was recorded on securities in an unrealized loss position at June 30, 2024 or December 31, 2023. Interest receivable on investment securities totaled $37 million at June 30, 2024 and $40 million at December 31, 2023 and was included in accrued income and other assets on the Consolidated Balance Sheets. There were no sales, calls or write-downs of investment securities available-for-sale during the three- and six-month periods ended June 30, 2024 or June 30, 2023. The following table summarizes the amortized cost and fair values of investment securities by contractual maturity. Securities with multiple maturity dates are classified in the period of final maturity. The actual cash flows of mortgage-backed securities may differ as borrowers of the underlying loans may exercise prepayment options. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. (in millions) June 30, 2024 Amortized Cost Fair Value Contractual maturity One year or less $ 893 $ 869 After one year through five years 777 731 After five years through ten years 5,206 4,637 After ten years 11,734 9,419 Total investment securities $ 18,610 $ 15,656 At June 30, 2024, investment securities with a carrying value of $7.5 billion were pledged where permitted or required by law. Pledges included $6.2 billion to the Federal Home Loan Bank (FHLB) as collateral for current advances and potential future borrowings as well as $1.3 billion to secure $378 million of liabilities, consisting of trust deposits, deposits of public entities and state and local government agencies as well as derivative instruments. For information on FHLB borrowings, refer to Note 7.

Credit Quality And Allowance Fo

Credit Quality And Allowance For Credit Losses	6 Months Ended
	Jun. 30, 2024
Credit Loss [Abstract]
Credit Quality And Allowance For Credit Losses	CREDIT QUALITY AND ALLOWANCE FOR CREDIT LOSSES The following table presents an aging analysis of the amortized cost basis of loans. Loans Past Due and Still Accruing (in millions) 30-59 60-89 90 Days Total Nonaccrual Current Total June 30, 2024 Business loans: Commercial $ 69 $ 8 $ 5 $ 82 $ 94 $ 26,937 $ 27,113 Real estate construction: Commercial Real Estate business line (a) — — — — — 4,230 4,230 Other business lines (b) 18 — — 18 — 306 324 Total real estate construction 18 — — 18 — 4,536 4,554 Commercial mortgage: Commercial Real Estate business line (a) 9 — — 9 18 5,339 5,366 Other business lines (b) 33 3 3 39 51 8,700 8,790 Total commercial mortgage 42 3 3 48 69 14,039 14,156 Lease financing 5 — — 5 1 800 806 International — — — — 13 1,074 1,087 Total business loans 134 11 8 153 177 47,386 47,716 Retail loans: Residential mortgage 26 3 — 29 23 1,844 1,896 Consumer: Home equity 11 2 2 15 26 1,733 1,774 Other consumer 1 2 1 4 — 460 464 Total consumer 12 4 3 19 26 2,193 2,238 Total retail loans 38 7 3 48 49 4,037 4,134 Total loans $ 172 $ 18 $ 11 $ 201 $ 226 $ 51,423 $ 51,850 December 31, 2023 Business loans: Commercial $ 48 $ 14 $ 10 $ 72 $ 75 $ 27,104 $ 27,251 Real estate construction: Commercial Real Estate business line (a) — — — — — 4,570 4,570 Other business lines (b) 3 — — 3 2 508 513 Total real estate construction 3 — — 3 2 5,078 5,083 Commercial mortgage: Commercial Real Estate business line (a) 5 — — 5 18 4,704 4,727 Other business lines (b) 49 12 9 70 23 8,866 8,959 Total commercial mortgage 54 12 9 75 41 13,570 13,686 Lease financing 4 — — 4 — 803 807 International — — 1 1 20 1,081 1,102 Total business loans 109 26 20 155 138 47,636 47,929 Retail loans: Residential mortgage 10 6 — 16 19 1,854 1,889 Consumer: Home equity 11 5 — 16 21 1,755 1,792 Other consumer 31 — — 31 — 472 503 Total consumer 42 5 — 47 21 2,227 2,295 Total retail loans 52 11 — 63 40 4,081 4,184 Total loans $ 161 $ 37 $ 20 $ 218 $ 178 $ 51,717 $ 52,113 (a) Primarily loans to real estate developers. (b) Primarily loans secured by owner-occupied real estate. The following table presents loans by credit quality indicator and vintage year. Credit quality indicator is based on internal risk ratings assigned to each business loan at the time of approval and subjected to subsequent reviews, generally at least annually, and to pools of retail loans with similar risk characteristics. Vintage year is the year of origination or major modification. June 30, 2024 Vintage Year (in millions) 2024 2023 2022 2021 2020 Prior Revolvers Revolvers Converted to Term Total Business loans: Commercial Pass (a) $ 1,572 $ 2,661 $ 2,307 $ 1,578 $ 505 $ 1,457 $ 15,690 $ 13 $ 25,783 Criticized (b) 32 85 197 195 36 91 689 5 1,330 Total commercial 1,604 2,746 2,504 1,773 541 1,548 16,379 18 27,113 Commercial gross charge-offs — 1 6 15 9 6 1 1 39 Real estate construction Pass (a) 74 623 2,124 1,238 138 50 272 — 4,519 Criticized (b) — — 35 — — — — — 35 Total real estate construction 74 623 2,159 1,238 138 50 272 — 4,554 Commercial mortgage Pass (a) 660 1,613 3,310 2,407 1,537 2,867 797 — 13,191 Criticized (b) 36 171 287 76 55 334 6 — 965 Total commercial mortgage 696 1,784 3,597 2,483 1,592 3,201 803 — 14,156 Commercial mortgage gross charge-offs — — 6 — — — — — 6 Lease financing Pass (a) 129 234 190 101 36 100 — — 790 Criticized (b) 1 5 2 — 3 5 — — 16 Total lease financing 130 239 192 101 39 105 — — 806 Lease financing gross charge-offs — — 3 — — — — — 3 International Pass (a) 219 105 140 68 29 29 471 — 1,061 Criticized (b) 2 7 2 8 — 4 3 — 26 Total international 221 112 142 76 29 33 474 — 1,087 Total business loans 2,725 5,504 8,594 5,671 2,339 4,937 17,928 18 47,716 Retail loans: Residential mortgage Pass (a) 63 244 287 362 436 478 — — 1,870 Criticized (b) 3 — 1 2 — 20 — — 26 Total residential mortgage 66 244 288 364 436 498 — — 1,896 Consumer: Home equity Pass (a) — — — — — 7 1,668 69 1,744 Criticized (b) — — — — — — 27 3 30 Total home equity — — — — — 7 1,695 72 1,774 Other consumer Pass (a) 9 12 33 17 8 53 330 — 462 Criticized (b) 1 — — — — — 1 — 2 Total other consumer 10 12 33 17 8 53 331 — 464 Other consumer gross charge-offs — — — — — 1 — — 1 Total consumer 10 12 33 17 8 60 2,026 72 2,238 Total retail loans 76 256 321 381 444 558 2,026 72 4,134 Total loans $ 2,801 $ 5,760 $ 8,915 $ 6,052 $ 2,783 $ 5,495 $ 19,954 $ 90 $ 51,850 Table continues on the following page. December 31, 2023 Vintage Year 2023 2022 2021 2020 2019 Prior Revolvers Revolvers Converted to Term Total Business loans: Commercial Pass (a) $ 3,105 $ 3,013 $ 2,072 $ 593 $ 610 $ 1,033 $ 15,394 $ 13 $ 25,833 Criticized (b) 85 169 226 42 59 75 760 2 1,418 Total commercial 3,190 3,182 2,298 635 669 1,108 16,154 15 27,251 Commercial gross charge-offs 1 11 2 1 11 12 3 1 42 Real estate construction Pass (a) 503 2,205 1,581 329 43 36 288 — 4,985 Criticized (b) 2 53 34 2 7 — — — 98 Total real estate construction 505 2,258 1,615 331 50 36 288 — 5,083 Commercial mortgage Pass (a) 1,680 3,129 2,173 1,786 981 2,271 893 — 12,913 Criticized (b) 15 232 99 34 248 141 4 — 773 Total commercial mortgage 1,695 3,361 2,272 1,820 1,229 2,412 897 — 13,686 Commercial mortgage gross charge-offs — — — — 3 1 — — 4 Lease financing Pass (a) 173 319 110 47 34 94 — — 777 Criticized (b) 5 8 3 3 7 4 — — 30 Total lease financing 178 327 113 50 41 98 — — 807 International Pass (a) 286 168 89 35 76 2 415 — 1,071 Criticized (b) 15 2 7 — — 6 1 — 31 Total international 301 170 96 35 76 8 416 — 1,102 International gross charge-offs 12 — — — — 1 — — 13 Total business loans 5,869 9,298 6,394 2,871 2,065 3,662 17,755 15 47,929 Retail loans: Residential mortgage Pass (a) 254 296 373 450 131 360 — — 1,864 Criticized (b) 2 — 1 — — 22 — — 25 Total residential mortgage 256 296 374 450 131 382 — — 1,889 Consumer: Home equity Pass (a) — — — — — 8 1,695 59 1,762 Criticized (b) — — — — — — 28 2 30 Total home equity — — — — — 8 1,723 61 1,792 Home equity gross charge-offs — — — — — — 2 — 2 Other consumer Pass (a) 23 38 22 8 4 46 362 — 503 Total other consumer 23 38 22 8 4 46 362 — 503 Other consumer gross charge-offs — — — — 1 — — — 1 Total consumer 23 38 22 8 4 54 2,085 61 2,295 Total retail loans 279 334 396 458 135 436 2,085 61 4,184 Total loans $ 6,148 $ 9,632 $ 6,790 $ 3,329 $ 2,200 $ 4,098 $ 19,840 $ 76 $ 52,113 (a) Includes all loans not included in the categories of special mention, substandard or nonaccrual. (b) Includes loans with an internal rating of special mention, substandard loans for which the accrual of interest has not been discontinued and nonaccrual loans. Special mention loans have potential credit weaknesses that deserve management’s close attention, such as loans to borrowers who may be experiencing financial difficulties that may result in deterioration of repayment prospects from the borrower at some future date. Accruing substandard loans have a well-defined weakness, or weaknesses, such as loans to borrowers who may be experiencing losses from operations or inadequate liquidity of a degree and duration that jeopardizes the orderly repayment of the loan. Substandard loans are also distinguished by the distinct possibility of loss in the future if these weaknesses are not corrected. Nonaccrual loans are loans for which the accrual of interest has been discontinued. For further information regarding nonaccrual loans, refer to the Nonperforming Assets subheading in Note 1 - Basis of Presentation and Accounting Policies on page F-52 in the Corporation's 2023 Annual Report. These categories are generally consistent with the "special mention" and "substandard" categories as defined by regulatory authorities. A minority of nonaccrual loans are consistent with the "doubtful" category. Loan interest receivable totaled $274 million and $313 million at June 30, 2024 and December 31, 2023, respectively, and was included in accrued income and other assets on the Consolidated Balance Sheets. Allowance for Credit Losses The following table details the changes in the allowance for credit losses. 2024 2023 (in millions) Business Loans Retail Loans Total Business Loans Retail Loans Total Three Months Ended June 30 Balance at beginning of period: Allowance for loan losses $ 626 $ 65 $ 691 $ 570 $ 71 $ 641 Allowance for credit losses on lending-related commitments 28 9 37 39 13 52 Allowance for credit losses 654 74 728 609 84 693 Loan charge-offs (28) — (28) (10) (1) (11) Recoveries on loans previously charged-off 16 1 17 13 — 13 Net loan (charge-offs) recoveries (12) 1 (11) 3 (1) 2 Provision for credit losses: Provision for loan losses 6 — 6 41 — 41 Provision for credit losses on lending-related commitments (5) (1) (6) (5) (3) (8) Provision for credit losses 1 (1) — 36 (3) 33 Balance at end of period: Allowance for loan losses 620 66 686 614 70 684 Allowance for credit losses on lending-related commitments 23 8 31 34 10 44 Allowance for credit losses $ 643 $ 74 $ 717 $ 648 $ 80 $ 728 Six Months Ended June 30 Balance at beginning of period Allowance for loan losses $ 620 $ 68 $ 688 $ 541 $ 69 $ 610 Allowance for credit losses on lending-related commitments 31 9 40 40 11 51 Allowance for credit losses 651 77 728 581 80 661 Loan charge-offs (48) (1) (49) (21) (2) (23) Recoveries on loans previously charged-off 22 2 24 26 1 27 Net loan (charge-offs) recoveries (26) 1 (25) 5 (1) 4 Provision for credit losses: Provision for loan losses 26 (3) 23 68 2 70 Provision for credit losses on lending-related commitments (8) (1) (9) (6) (1) (7) Provision for credit losses 18 (4) 14 62 1 63 Balance at end of period: Allowance for loan losses 620 66 686 614 70 684 Allowance for credit losses on lending-related commitments 23 8 31 34 10 44 Allowance for credit losses $ 643 $ 74 $ 717 $ 648 $ 80 $ 728 Allowance for loan losses as a percentage of total loans 1.30 % 1.59 % 1.32 % 1.19 % 1.70 % 1.23 % Allowance for credit losses as a percentage of total loans 1.35 1.79 1.38 1.26 1.95 1.31 Nonaccrual Loans The following table presents additional information regarding nonaccrual loans. Interest income of $6 million and $2 million was recognized on nonaccrual loans for the three-month periods ended June 30, 2024 and 2023, respectively. For the six-month periods ended June 30, 2024 and 2023, the Corporation recognized interest income of $8 million and $6 million, respectively, on nonaccrual loans. (in millions) Nonaccrual Loans with No Related Allowance Nonaccrual Loans with Related Allowance Total Nonaccrual Loans June 30, 2024 Business loans: Commercial $ 35 $ 59 $ 94 Commercial mortgage: Commercial Real Estate business line (a) — 18 18 Other business lines (b) 8 43 51 Total commercial mortgage 8 61 69 Lease financing — 1 1 International 3 10 13 Total business loans 46 131 177 Retail loans: Residential mortgage 23 — 23 Consumer: Home equity 26 — 26 Total retail loans 49 — 49 Total nonaccrual loans $ 95 $ 131 $ 226 December 31, 2023 Business loans: Commercial $ 47 $ 28 $ 75 Real estate construction: Other business lines (b) 2 — 2 Commercial mortgage: Commercial Real Estate business line (a) — 18 18 Other business lines (b) 17 6 23 Total commercial mortgage 17 24 41 International 3 17 20 Total business loans 69 69 138 Retail loans: Residential mortgage 19 — 19 Consumer: Home equity 21 — 21 Total consumer 21 — 21 Total retail loans 40 — 40 Total nonaccrual loans $ 109 $ 69 $ 178 (a) Primarily loans to real estate developers. (b) Primarily loans secured by owner-occupied real estate. Foreclosed Properties Foreclosed properties were insignificant at both June 30, 2024 and December 31, 2023. Retail loans secured by residential real estate properties in process of foreclosure included in nonaccrual loans were $1 million at June 30, 2024 and insignificant at December 31, 2023. Loan Modifications Made to Borrowers Experiencing Financial Difficulty As part of its loss mitigation efforts, the Corporation may modify loans to borrowers experiencing financial difficulty in a manner resulting in an interest rate reduction, other-than-insignificant payment delay, a term extension, principal forgiveness or a combination thereof (collectively referred to as Financially Distressed Modifications, or FDMs). The following table displays the amortized cost basis of FDMs at June 30, 2024 and 2023 that were restructured during the three- and six-month periods ended June 30, 2024 and 2023 by type of modification. (in millions) Term Extension (a) Payment Delay (a) Interest Rate Reduction Combinations (b) Total Percent of Total Class Three Months Ended June 30, 2024 Business loans: Commercial $ 91 $ — $ 7 $ 3 $ 101 0.38 % Commercial mortgage: Other business lines (c) 9 — — — 9 0.10 Total commercial mortgage 9 — — — 9 0.06 International 8 — — — 8 0.71 Total business loans 108 — 7 3 118 0.25 Retail loans: Consumer: Home equity — — 1 — 1 0.07 Total consumer — — 1 — 1 0.05 Total retail loans — — 1 — 1 0.03 Total loans $ 108 $ — $ 8 $ 3 $ 119 0.23 % Three Months Ended June 30, 2023 Business loans: Commercial $ 25 $ 22 $ — $ — $ 47 0.15 % Commercial mortgage: Other business lines (c) 2 — 2 — 4 0.05 Total commercial mortgage 2 — 2 — 4 0.03 International — — — 1 1 0.10 Total business loans 27 22 2 1 52 0.10 Total loans $ 27 $ 22 $ 2 $ 1 $ 52 0.09 % Six Months Ended June 30, 2024 Business loans: Commercial $ 149 $ — $ 7 $ 10 $ 166 0.61 % Commercial mortgage: Other business lines (c) 15 — — — 15 0.16 Total commercial mortgage 15 — — — 15 0.10 International 9 — — — 9 0.84 Total business loans 173 — 7 10 190 0.40 Retail loans: Consumer: Home equity — — 2 1 3 0.19 Total consumer — — 2 1 3 0.15 Total retail loans — — 2 1 3 0.08 Total loans $ 173 $ — $ 9 $ 11 $ 193 0.37 % Six Months Ended June 30, 2023 Business loans: Commercial $ 30 $ 22 $ — $ 1 $ 53 0.17 % Commercial mortgage: Commercial Real Estate business line (d) 1 — — — 1 0.02 Other business lines (c) 4 — 2 5 11 0.11 Total commercial mortgage 5 — 2 5 12 0.08 International — — — 1 1 0.10 Total business loans 35 22 2 7 66 0.13 Total loans $ 35 $ 22 $ 2 $ 7 $ 66 0.12 % (a) Represents loan balances where terms were extended or payments were delayed by a more than an insignificant time period, typically more than 180 days, at or above contractual interest rates. (b) Relates to FDMs where more than one type of modification was made. For the three- and six-month periods ended June 30, 2024 and 2023, this primarily related to modifications where the interest rate was reduced and the term was extended. (c) Primarily loans secured by owner-occupied real estate. (d) Primarily loans to real estate developers. There were no commitments to lend additional funds to borrowers experiencing financial difficulty whose terms had been restructured at June 30, 2024 and December 31, 2023. The following table summarizes the financial impacts of loan modifications made during the three- and six-month periods ended June 30, 2024 and 2023. Weighted-Average Term Extension Weighted-Average Interest Rate Reduction Three Months Ended June 30, 2024 Business loans: Commercial 13.2 (1.03) % Commercial mortgage: Other business lines (a) 7.2 — Total commercial mortgage 7.2 — International 7.9 — Total business loans 12.3 (1.03) Retail loans: Consumer: Home equity — (4.17) Total consumer — (4.17) Total retail loans — (4.17) Total loans 12.3 (1.31) % Three Months Ended June 30, 2023 Business loans: Commercial 6.6 — % Commercial mortgage: Other business lines (a) 60.1 (1.92) Total commercial mortgage 60.1 (1.92) Total business loans 11.5 (1.92) Total loans 11.5 (1.92) % Six Months Ended June 30, 2024 Business loans: Commercial 12.3 (1.06) % Commercial mortgage: Other business lines (a) 9.0 — Total commercial mortgage 9.0 — International 8.6 — Total business loans 11.9 (1.06) Retail loans: Consumer: Home equity 118.3 (3.54) Total consumer 118.3 (3.54) Total retail loans 118.3 (3.54) Total loans 12.7 (1.34) % Six Months Ended June 30, 2023 Business loans: Commercial 9.2 (0.44) % Commercial mortgage: Commercial Real Estate business line (b) 6.0 — Other business lines (a) 31.9 (0.71) Total commercial mortgage 29.5 (0.71) Total business loans 13.8 (0.67) Total loans 13.8 (0.67) % (a) Primarily loans secured by owner-occupied real estate. (b) Primarily loans to real estate developers. On an ongoing basis, the Corporation monitors the performance of modified loans related to their restructured terms. Loans restructured during the three- and six-month periods ended June 30, 2024 and 2023 were current under modified terms at June 30, 2024 and June 30, 2023. Nonperforming restructured loans are classified as nonaccrual loans and are individually evaluated for the allowance for loan losses. For restructured loans, a subsequent payment default is defined in terms of delinquency, when a principal or interest payment is 90 days past due or classified into nonaccrual status during the reporting period. Of the loans restructured during the six-month period ended June 30, 2024 there were $3 million of commercial loans that subsequently defaulted. There were no subsequent defaults on loans restructured during the three-month period ended June 30, 2024 and three- and six-month periods ended June 30, 2023.

Derivative And Credit-Related F

Derivative And Credit-Related Financial Instruments	6 Months Ended
	Jun. 30, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative And Credit-Related Financial Instruments	DERIVATIVES AND CREDIT-RELATED FINANCIAL INSTRUMENTS In the normal course of business, the Corporation enters into various transactions involving derivative and credit-related financial instruments to manage exposure to fluctuations in interest rate, foreign currency and other market risks and to meet the financing needs of customers (customer-initiated derivatives). These financial instruments involve, to varying degrees, elements of market and credit risk. Market and credit risk are included in the determination of fair value. Market risk is the potential loss that may result from movements in interest rates, foreign currency exchange rates or energy commodity prices that cause an unfavorable change in the value of a financial instrument. The Corporation manages this risk by establishing monetary exposure limits and monitoring compliance with those limits. Market risk inherent in interest rate and energy contracts entered into on behalf of customers is mitigated by taking offsetting positions, except in those circumstances when the amount, tenor and/or contract rate level results in negligible economic risk, whereby the cost of purchasing an offsetting contract is not economically justifiable. The Corporation mitigates most of the inherent market risk in foreign exchange contracts entered into on behalf of customers by taking offsetting positions and manages the remainder through individual foreign currency position limits and aggregate value-at-risk limits. Position and value-at-risk limits are established annually and monitored daily. Market risk inherent in derivative instruments held or issued for risk management purposes is typically offset by changes in the fair value of the assets or liabilities being hedged. Credit risk is the possible loss that may occur in the event of nonperformance by the counterparty to a financial instrument. The Corporation attempts to minimize credit risk arising from customer-initiated derivatives by evaluating the creditworthiness of each customer, adhering to the same credit approval process used for traditional lending activities and obtaining collateral as deemed necessary. Derivatives with dealer counterparties are either cleared through a clearinghouse or settled directly with a single counterparty. For derivatives settled directly with dealer counterparties, the Corporation utilizes counterparty risk limits and monitoring procedures as well as master netting arrangements and bilateral collateral agreements to facilitate the management of credit risk. Included in the fair value of derivative instruments are credit valuation adjustments reflecting counterparty credit risk. These adjustments are determined by applying a credit spread for the counterparty or the Corporation, as appropriate, to the total expected exposure of the derivative. Master netting arrangements effectively reduce credit valuation adjustments by permitting settlement of positive and negative positions and offset cash collateral held with the same counterparty on a net basis. Bilateral collateral agreements require daily exchange of cash or highly rated securities issued by the U.S. Treasury or other U.S. government entities to collateralize amounts due to either party. At June 30, 2024, counterparties with bilateral collateral agreements deposited $86 million of cash with the Corporation to secure the fair value of contracts in an unrealized gain position, and the Corporation had pledged $84 million of marketable investment securities and posted $5 million of cash as collateral for contracts in an unrealized loss position. For those counterparties not covered under bilateral collateral agreements, collateral is obtained, if deemed necessary, based on the results of management’s credit evaluation of the counterparty. Collateral varies, but may include cash, investment securities, accounts receivable, equipment or real estate. Derivative Instruments Derivative instruments utilized by the Corporation are negotiated over-the-counter and primarily include swaps, caps and floors, forward contracts and options, each of which may relate to interest rates, energy commodity prices or foreign currency exchange rates. Swaps are agreements in which two parties periodically exchange cash payments based on specified indices applied to a specified notional amount until a stated maturity. Caps and floors are agreements which entitle the buyer to receive cash payments based on the difference between a specified reference rate or price and an agreed strike rate or price, applied to a specified notional amount until a stated maturity. Forward contracts are over-the-counter agreements to buy or sell an asset at a specified future date and price. Options are similar to forward contracts except the purchaser has the right, but not the obligation, to buy or sell the asset during a specified period or at a specified future date. Over-the-counter contracts are tailored to meet the needs of the counterparties involved and, therefore, contain a greater degree of credit risk and liquidity risk than exchange-traded contracts, which have standardized terms and readily available price information. The Corporation reduces exposure to market and liquidity risks from over-the-counter derivative instruments entered into for risk management purposes, and transactions entered into to mitigate the market risk associated with customer-initiated transactions, by taking offsetting positions with investment grade domestic and foreign financial institutions and subjecting counterparties to credit approvals, limits and collateral monitoring procedures similar to those used in making other extensions of credit. In addition, certain derivative contracts executed bilaterally with a dealer counterparty in the over-the-counter market are cleared through a clearinghouse, whereby the clearinghouse becomes the counterparty to the transaction. The following table presents the composition of the Corporation’s derivative instruments held or issued for risk management purposes or in connection with customer-initiated and other activities at June 30, 2024 and December 31, 2023. The table excludes a derivative related to the Corporation's 2008 sale of its remaining ownership of Visa shares and includes accrued interest receivable and payable. June 30, 2024 December 31, 2023 Fair Value Fair Value (in millions) Notional/ Gross Derivative Assets Gross Derivative Liabilities Notional/ Gross Derivative Assets Gross Derivative Liabilities Risk management purposes Derivatives designated as hedging instruments Interest rate contracts: Fair value swaps - receive fixed/pay floating $ 7,300 $ — $ 3 $ 6,300 $ — $ — Cash flow swaps - receive fixed/pay floating (b) 24,150 — 45 24,850 — 8 Derivatives used as economic hedges Foreign exchange contracts: Spot, forwards and swaps 637 1 — 560 1 3 Total risk management purposes 32,087 1 48 31,710 1 11 Customer-initiated and other activities Interest rate contracts: Caps and floors written 1,607 — 14 1,577 — 18 Caps and floors purchased 1,607 14 — 1,577 18 — Swaps 18,895 189 418 19,316 207 409 Total interest rate contracts 22,109 203 432 22,470 225 427 Energy contracts: Caps and floors written 4,161 2 243 3,719 3 291 Caps and floors purchased 4,161 229 2 3,719 292 3 Swaps 7,302 334 313 6,368 463 442 Total energy contracts 15,624 565 558 13,806 758 736 Foreign exchange contracts: Spot, forwards, options and swaps 2,948 31 22 2,751 35 32 Total customer-initiated and other activities 40,681 799 1,012 39,027 1,018 1,195 Total gross derivatives $ 72,768 800 1,060 $ 70,737 1,019 1,206 Amounts offset in the Consolidated Balance Sheets: Netting adjustment - Offsetting derivative assets/liabilities (283) (283) (311) (311) Netting adjustment - Cash collateral received/posted (85) (3) (143) (13) Net derivatives included in the Consolidated Balance Sheets (c) 432 774 565 882 Amounts not offset in the Consolidated Balance Sheets: Marketable securities pledged under bilateral collateral agreements (287) (78) (501) (4) Net derivatives after deducting amounts not offset in the Consolidated Balance Sheets $ 145 $ 696 $ 64 $ 878 (a) Notional or contractual amounts, which represent the extent of involvement in the derivatives market, are used to determine the contractual cash flows required in accordance with the terms of the agreement. These amounts are typically not exchanged, significantly exceed amounts subject to credit or market risk and are not reflected in the Consolidated Balance Sheets. (b) June 30, 2024 included $750 million of forward starting swaps that will become effective on their contractual start dates in 2024. (c) Net derivative assets are included in accrued income and other assets and net derivative liabilities are included in accrued expenses and other liabilities on the Consolidated Balance Sheets. Included in the fair value of net derivative assets and net derivative liabilities are credit valuation adjustments reflecting counterparty credit risk and credit risk of the Corporation. The fair value of net derivative assets included credit valuation adjustments for counterparty credit risk of $2 million and $3 million at June 30, 2024 and December 31, 2023, respectively. Risk Management The Corporation's derivative instruments used for managing interest rate risk include cash flow hedging strategies that convert variable-rate loans to fixed rates and fair value hedging strategies that convert fixed-rate medium- and long-term debt to variable rates. Interest and fees on loans included $174 million and $150 million of cash flow hedge losses for the three-month periods ended June 30, 2024 and 2023, respectively, and $344 million and $269 million of cash flow hedge losses for the six-month periods ended June 30, 2024 and 2023, respectively. The following table details the effects of fair value hedging on the Consolidated Statements of Comprehensive Income. Interest on Medium- and Long-Term Debt Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2023 2024 2023 Total interest on medium- and long-term debt (a) $ 124 $ 110 $ 241 $ 167 Fair value hedging relationships: Interest rate contracts: Hedged items 87 79 168 120 Derivatives designated as hedging instruments 37 31 73 47 (a) Includes the effects of hedging. The following tables summarize the expected weighted average remaining maturity of the notional amount of risk management interest rate swaps, the weighted average interest rates associated with amounts expected to be received or paid on interest rate swap agreements, and for fair value swaps, the weighted average carrying amount of the related hedged items, as of June 30, 2024 and December 31, 2023. Cash flow swaps - receive fixed/pay floating rate on variable-rate loans June 30, 2024 December 31, 2023 Weighted average: Time to maturity (in years) 3.5 3.9 Receive rate (a) 2.50 % 2.43 % Pay rate (a), (b) 5.36 5.38 (a) Excludes forward starting swaps not effective as of the period shown. June 30, 2024 excluded $750 million of forward starting swaps. December 31, 2023 excluded $2.0 billion of forward starting swaps. (b) Variable rates paid on receive fixed swaps designated as cash flow hedges are based on BSBY or Secured Overnight Financing Rate (SOFR) rates in effect at June 30, 2024 and December 31, 2023. Fair value swaps - receive fixed/pay floating rate on medium- and long-term debt (dollar amounts in millions) June 30, 2024 December 31, 2023 Carrying value of hedged items (a) $ 7,112 $ 6,206 Weighted average: Time to maturity (in years) 2.9 3.1 Receive rate (b) 3.68 % 3.67 % Pay rate (b) 5.65 5.74 (a) Included $(183) million and $(93) million of cumulative hedging adjustments at June 30, 2024 and December 31, 2023, respectively, which included $2 million and $3 million, respectively, of hedging adjustment on a discontinued hedging relationship. (b) Floating rates paid on receive fixed swaps designated as fair value hedges are based on SOFR rates in effect at June 30, 2024 and December 31, 2023. Re-designated Interest Rate Swaps and Price Alignment Income On November 15, 2023, the Bloomberg Index Services Limited (Bloomberg) announced that it will discontinue publishing the Bloomberg Short-Term Bank Yield Index (BSBY) on November 15, 2024; accordingly, the Corporation was required to “de-designate” $7.0 billion of interest rate swaps used in cash flow hedges of certain BSBY-indexed loans and reclassify amounts recognized in accumulated other comprehensive income into earnings. For each de-designated swap, settlement of interest payments and changes in fair value were recorded as risk management hedging losses within noninterest income instead of net interest income until re-designation. As all impacted swaps were re-designated as of April 1, 2024, there was no impact to noninterest income for the three months ended June 30, 2024. A total of $130 million in net losses were included in noninterest income as a result of the de-designations, consisting of $39 million during the first quarter 2024 and $91 million during the fourth quarter 2023. Amounts in accumulated other comprehensive income related to cash flows that continued to be probable of occurring were amortized out of accumulated other comprehensive income and into earnings, which resulted in pre-tax losses of $52 million recorded in interest and fees on loans during both three-month periods ended June 30, 2024 and March 31, 2024. Additionally, the fair value of swaps at re-designation date were accreted back into accumulated other comprehensive income, resulting in benefits of $49 million for the three months ended June 30, 2024 and $41 million for the three months ended March 31, 2024. The amortization of probable cash flows and fair value accretion resulted in a net loss of $3 million included in net interest income for the three months ended June 30, 2024. The impact to net interest income was a benefit of $3 million for the three months ended March 31, 2024, which excluded settlements of interest payments for non-designated swaps. BSBY cessation and the related de-designation and re-designation of interest rate swaps led to net increases in accumulated other comprehensive income of $2 million and $27 million for the three months ended June 30, 2024 and March 31, 2024, respectively. For more information on accumulated net losses on cash flow hedges, refer to Note 8. Risk management hedging (loss) income also includes price alignment income, which is income received on payments made to a central clearing party for centrally cleared derivatives. Positions are settled daily based on derivative fair values and the party receiving net settlement amounts pays price alignment, based on an earning rate, to the party making settlement payments. Price alignment income totaled $17 million and $7 million for the three-month periods ended June 30, 2024 and 2023, respectively, and $30 million and $15 million for the six-month periods ended June 30, 2024 and 2023. Customer-Initiated and Other The Corporation enters into derivative transactions at the request of customers and generally takes offsetting positions with dealer counterparties to help mitigate the inherent market risk. Income primarily results from the spread between the customer derivative and the offsetting dealer position. For customer-initiated foreign exchange contracts where offsetting positions have not been taken, the Corporation manages the remaining inherent market risk through individual foreign currency position limits and aggregate value-at-risk limits. Position and value-at-risk limits are established annually and monitored daily. For foreign exchange derivative contracts which were not offset or where the Corporation holds a position within the limits described above, the Corporation recognized a net loss of $1 million in noninterest income for the three- and six-month periods ended June 30, 2023 and did not recognize net gains or losses for the same periods in 2024. Fair values of customer-initiated and other derivative instruments represent the net unrealized gains or losses on such contracts and are recorded on the Consolidated Balance Sheets. Changes in fair value are recognized on the Consolidated Statements of Comprehensive Income. The net gains recognized in income on customer-initiated derivative instruments, net of the impact of offsetting positions included in capital markets income, were as follows: Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2023 2024 2023 Interest rate contracts $ 3 $ 7 $ 8 $ 12 Energy contracts 5 5 8 13 Foreign exchange contracts 13 14 24 28 Total $ 21 $ 26 $ 40 $ 53 Credit-Related Financial Instruments The Corporation issues off-balance sheet financial instruments in connection with commercial and consumer lending activities. The Corporation’s credit risk associated with these instruments is represented by the contractual amounts indicated in the following table. (in millions) June 30, 2024 December 31, 2023 Unused commitments to extend credit: Commercial and other $ 24,130 $ 27,303 Bankcard, revolving credit and home equity loan commitments 4,053 4,082 Total unused commitments to extend credit $ 28,183 $ 31,385 Standby letters of credit $ 3,754 $ 3,586 Commercial letters of credit 49 48 The Corporation maintains an allowance to cover current expected credit losses inherent in lending-related commitments, including unused commitments to extend credit, letters of credit and financial guarantees. The allowance for credit losses on lending-related commitments, included in accrued expenses and other liabilities on the Consolidated Balance Sheets, was $31 million and $40 million at June 30, 2024 and December 31, 2023, respectively. Unused Commitments to Extend Credit Commitments to extend credit are legally binding agreements to lend to a customer, provided there is no violation of any condition established in the contract. These commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many commitments expire without being drawn upon, the total contractual amount of commitments does not necessarily represent future cash requirements of the Corporation. Commercial and other unused commitments are primarily variable rate commitments. The allowance for credit losses on lending-related commitments included $30 million at June 30, 2024 and $38 million at December 31, 2023 for expected credit losses inherent in the Corporation’s unused commitments to extend credit. Standby and Commercial Letters of Credit Standby letters of credit represent conditional obligations of the Corporation which guarantee the performance of a customer to a third party. Standby letters of credit are primarily issued to support public and private borrowing arrangements, including commercial paper, bond financing and similar transactions. Commercial letters of credit are issued to finance foreign or domestic trade transactions. These contracts expire in decreasing amounts through the year. The Corporation may enter into participation arrangements with third parties that effectively reduce the maximum amount of future payments which may be required under standby and commercial letters of credit. These risk participations covered $75 million and $85 million at June 30, 2024 and December 31, 2023, respectively, of the $3.8 billion and $3.6 billion of standby and commercial letters of credit outstanding at June 30, 2024 and December 31, 2023, respectively. The carrying value of the Corporation’s standby and commercial letters of credit, included in accrued expenses and other liabilities on the Consolidated Balance Sheets, totaled $33 million at June 30, 2024, including $32 million in deferred fees and $1 million in the allowance for credit losses on lending-related commitments. At December 31, 2023, the comparable amounts were $34 million, $32 million and $2 million, respectively. The following table presents a summary of criticized standby and commercial letters of credit at June 30, 2024 and December 31, 2023. The Corporation's criticized list is consistent with the Special Mention, Substandard and Doubtful categories defined by regulatory authorities. The Corporation manages credit risk through underwriting, periodically reviewing and approving its credit exposures using Board committee approved credit policies and guidelines. (dollar amounts in millions) June 30, 2024 December 31, 2023 Total criticized standby and commercial letters of credit $ 30 $ 50 As a percentage of total outstanding standby and commercial letters of credit 0.8 % 1.4 % Other Credit-Related Financial Instruments The Corporation enters into credit risk participation agreements, under which the Corporation assumes credit exposure associated with a borrower’s performance related to certain interest rate derivative contracts. The Corporation is not a party to the interest rate derivative contracts and only enters into these credit risk participation agreements in instances in which the Corporation is also a party to the related loan participation agreements for such borrowers. The Corporation manages its credit risk on the credit risk participation agreements by monitoring the creditworthiness of the borrowers, which is based on the normal credit review process as if the Corporation had entered into the derivative instruments directly with the borrower. The notional amount of such credit risk participation agreements reflects the pro-rata share of the derivative instrument, consistent with its share of the related participated loan. The total notional amount of the credit risk participation agreements was approximately $1.0 billion at both June 30, 2024 and December 31, 2023, and the fair value was insignificant at both June 30, 2024 and December 31, 2023. The maximum estimated exposure to these agreements, as measured by projecting a maximum value of the guaranteed derivative instruments, assuming 100 percent default by all obligors on the maximum values, was insignificant and $2 million at June 30, 2024 and December 31, 2023, respectively. In the event of default, the lead bank has the ability to liquidate the assets of the borrower, in which case the lead bank would be required to return a percentage of the recouped assets to the participating banks. As of June 30, 2024, the weighted average remaining maturity of outstanding credit risk participation agreements was 4.1 years. In 2008, the Corporation sold its remaining ownership of Visa Class B shares and entered into a derivative contract. Under the terms of the derivative contract, the Corporation will compensate the counterparty primarily for dilutive adjustments made to the conversion factor of the Visa Class B shares to Class A shares based on the ultimate outcome of litigation involving Visa. Conversely, the Corporation will be compensated by the counterparty for any increase in the conversion factor from anti-dilutive adjustments. The fair value of the derivative liability, included in accrued expenses and other liabilities on the Consolidated Balance Sheets, was $6 million and $12 million at June 30, 2024 and December 31, 2023, respectively.

Variable Interest Entities (VIE

Variable Interest Entities (VIEs)	6 Months Ended
	Jun. 30, 2024
Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract]
Variable Interest Entities (VIEs)	VARIABLE INTEREST ENTITIES (VIEs) The Corporation evaluates its interest in certain entities to determine if these entities meet the definition of a VIE and whether the Corporation is the primary beneficiary and should consolidate the entity based on the variable interests it held both at inception and when there is a change in circumstances that requires a reconsideration. The Corporation holds ownership interests in funds in the form of limited partnerships or limited liability companies (LLCs) investing in affordable housing projects that qualify for the low-income housing tax credit (LIHTC). The Corporation also directly invests in limited partnerships and LLCs which invest in community development projects, which generate similar tax credits to investors (other tax credit entities). As an investor, the Corporation obtains income tax credits and deductions from the operating losses of these tax credit entities. These tax credit entities meet the definition of a VIE; however, the Corporation is not the primary beneficiary of the entities, as the general partner or the managing member has both the power to direct the activities that most significantly impact the economic performance of the entities and the obligation to absorb losses or the right to receive benefits that could be significant to the entities. The Corporation accounts for its interests in LIHTC entities and, upon adoption of ASU 2023-02 as discussed in Note 1, other tax credit entities that meet certain criteria using the proportional amortization method. Ownership interests in tax credit entities that do not qualify for the proportional amortization method are accounted for under either the cost or equity method. Exposure to loss as a result of the Corporation's involvement in entities using the proportional amortization method and other tax credit entities at June 30, 2024 was limited to $549 million and $1 million, respectively. Investment balances, including all legally binding commitments to fund future investments that are accounted for using the proportional amortization method, are included in accrued income and other assets on the Consolidated Balance Sheets. A liability is recognized in accrued expenses and other liabilities on the Consolidated Balance Sheets for all legally binding unfunded commitments to fund tax credit entities that are accounted for using the proportional amortization method ($253 million at June 30, 2024). Amortization and other write-downs of tax credit investments for which the proportional amortization method is applied are presented on a net basis as a component of the provision for income taxes on the Consolidated Statements of Comprehensive Income, while amortization and write-downs of other tax credit investments are recorded in other noninterest income. The income tax credits and deductions are recorded as a reduction of income tax expense and a reduction of federal income taxes payable. The cash flows related to the total income tax benefits are presented in the "net income," "benefit for deferred income taxes" and "other, net" line items within the operating activities section of the Consolidated Statements of Cash Flows. The Corporation provided no financial or other support that was not contractually required to any of the above VIEs during the six months ended June 30, 2024 and 2023. The following table summarizes the impact of these tax credit investments under the proportional amortization method on the Corporation’s Consolidated Statements of Comprehensive Income. Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2024 Provision for income taxes: Amortization of investments $ 20 $ 39 Tax credits (21) (38) Other income tax benefits related to tax credit entities (3) (8) Total provision for income taxes $ (4) $ (7) Prior to the adoption of ASU 2023-02, only LIHTC investments qualified for the proportional amortization method of accounting. The following table summarizes the impact of these LIHTC entities on the Corporation’s Consolidated Statements of Comprehensive Income. Three Months Ended June 30, Six Months Ended June 30, (in millions) 2023 2023 Provision for income taxes: Amortization of LIHTC investments $ 17 $ 34 Low income housing tax credits (16) (32) Other tax benefits related to tax credit entities (5) (10) Total provision for income taxes $ (4) $ (8) For further information on the Corporation’s consolidation policy, see Note 1 to the consolidated financial statements in the Corporation's 2023 Annual Report.

Medium- And Long-Term Debt

Medium- And Long-Term Debt	6 Months Ended
	Jun. 30, 2024
Debt Disclosure [Abstract]
Medium- And Long-Term Debt	MEDIUM- AND LONG-TERM DEBT Medium- and long-term debt is summarized as follows: (in millions) June 30, 2024 December 31, 2023 Parent company Subordinated notes: 3.80% subordinated notes due 2026 $ 239 $ 241 Medium- and long-term notes: 4.00% notes due 2029 513 523 5.982% notes due 2030 978 — Total medium- and long-term notes 1,491 523 Total parent company 1,730 764 Subsidiaries Subordinated notes: 4.00% subordinated notes due 2025 339 337 7.875% subordinated notes due 2026 157 162 5.332% subordinated notes due 2033 450 466 Total subordinated notes 946 965 Medium- and long-term notes: 2.50% notes due 2024 499 489 FHLB advances: 5.07% advance due 2025 993 995 4.79% advance due 2026 986 997 4.49% advance due 2027 982 999 4.49% advance due 2028 976 997 Total FHLB advances: 3,937 3,988 Total subsidiaries 5,382 5,442 Total medium- and long-term debt $ 7,112 $ 6,206 Fixed interest rates have been swapped to a variable rate and designated in a hedging relationship for all notes outstanding at June 30, 2024 and December 31, 2023. Accordingly, carrying value has been adjusted to reflect the change in fair value of the debt as a result of changes in the benchmark rate. Subordinated notes with remaining maturities greater than one year qualify as Tier 2 capital. Comerica Bank (the Bank), a wholly-owned subsidiary of Comerica, Incorporated, is a member of the FHLB, which provides short- and long-term funding to its members through advances collateralized by real estate-related assets. Borrowing capacity is contingent on the amount of collateral available to be pledged to the FHLB. At June 30, 2024, FHLB borrowings were $5.3 billion (which included $1.3 billion in short-term advances), with remaining capacity for future borrowing of $12.0 billion, secured by real estate-related loans and investment securities collateral. Unamortized debt issuance costs deducted from the carrying amount of medium- and long-term debt totaled $12 million and $6 million at June 30, 2024 and December 31, 2023, respectively.

Accumulated Other Comprehensive

Accumulated Other Comprehensive Loss	6 Months Ended
	Jun. 30, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Loss	ACCUMULATED OTHER COMPREHENSIVE LOSS The following table presents a reconciliation of the changes in the components of accumulated other comprehensive loss and details the components of other comprehensive loss for the six months ended June 30, 2024 and 2023, including the amount of income tax benefit allocated to each component of other comprehensive loss. Six Months Ended June 30, (in millions) 2024 2023 Accumulated net unrealized losses on investment securities: Balance at beginning of period, net of tax $ (2,043) $ (2,319) Net unrealized holding (losses) gains arising during the period (282) 97 Less: (Benefit) provision for income taxes (73) 24 Change in net unrealized losses on investment securities, net of tax (209) 73 Balance at end of period, net of tax $ (2,252) $ (2,246) Accumulated net losses on cash flow hedges: Balance at beginning of period, net of tax $ (605) $ (942) Net cash flow hedge losses arising during the period (620) (389) Less: Benefit for income taxes (150) (91) Change in net cash flow hedge losses arising during the period, net of tax (470) (298) Less: Net cash flow losses included in interest and fees on loans (329) (269) Net amortization of unrealized losses related to de-designated derivatives included in interest and fees on loans (15) — Less: Benefit for income taxes (83) (63) Reclassification adjustment for net cash flow hedge losses included in net income, net of tax (261) (206) Change in net cash flow hedge losses, net of tax (209) (92) Balance at end of period, net of tax (a) $ (814) $ (1,034) Accumulated defined benefit pension and other postretirement plans adjustment: Balance at beginning of period, net of tax $ (400) $ (481) Amounts recognized in other noninterest expenses: Amortization of actuarial net loss 13 18 Amortization of prior service credit (10) (11) Total amounts recognized in other noninterest expenses 3 7 Less: Provision for income taxes — 2 Adjustment for amounts recognized as components of net periodic benefit credit during the period, net of tax 3 5 Change in defined benefit pension and other postretirement plans adjustment, net of tax 3 5 Balance at end of period, net of tax $ (397) $ (476) Total accumulated other comprehensive loss at end of period, net of tax $ (3,463) $ (3,756) (a) The Corporation expects to reclassify $371 million of losses, net of tax, from accumulated other comprehensive loss to earnings over the next twelve months if interest yield curves and notional amounts remain at June 30, 2024 levels.

Net Income Per Common Share

Net Income Per Common Share	6 Months Ended
	Jun. 30, 2024
Earnings Per Share [Abstract]
Net Income Per Common Share	NET INCOME PER COMMON SHARE Basic and diluted net income per common share are presented in the following table. Three Months Ended June 30, Six Months Ended June 30, (in millions, except per share data) 2024 2023 2024 2023 Basic and diluted Net income $ 206 $ 273 $ 344 $ 597 Less: Income allocated to participating securities 1 2 2 3 Preferred stock dividends 5 5 11 11 Net income attributable to common shares $ 200 $ 266 $ 331 $ 583 Basic average common shares 133 132 133 132 Basic net income per common share $ 1.50 $ 2.02 $ 2.49 $ 4.43 Basic average common shares 133 132 133 132 Dilutive common stock equivalents: Net effect of the assumed exercise of stock awards 1 — 1 — Diluted average common shares 134 132 134 132 Diluted net income per common share $ 1.49 $ 2.01 $ 2.47 $ 4.40 The following average shares related to outstanding options to purchase shares of common stock that were not included in the computation of diluted net income per common share because the options were anti-dilutive for the period. Three Months Ended June 30, Six Months Ended June 30, (average outstanding options in thousands) 2024 2023 2024 2023 Average outstanding options 1,816 1,816 1,800 1,338 Range of exercise prices $53.96 - $95.25 $42.32 - $95.25 $53.96 - $95.25 $63.15 - $95.25

Employee Benefit Plans

Employee Benefit Plans	6 Months Ended
	Jun. 30, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Employee Benefit Plans	EMPLOYEE BENEFIT PLANS Net periodic defined benefit cost (credit) is comprised of service cost and other components of net benefit cost (credit). Service cost is included in salaries and benefits expense and other components of net benefit cost (credit) are included in other noninterest expenses on the Consolidated Statements of Comprehensive Income. For further information on the Corporation's employee benefit plans, refer to Note 17 to the consolidated financial statements in the Corporation's 2023 Annual Report. The components of net periodic benefit cost (credit) for the Corporation's qualified pension plan, non-qualified pension plan and postretirement benefit plan are as follows. Qualified Defined Benefit Pension Plan Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2023 2024 2023 Service cost $ 9 $ 7 $ 17 $ 15 Other components of net benefit credit: Interest cost 21 22 42 43 Expected return on plan assets (45) (42) (90) (83) Amortization of prior service credit (4) (3) (7) (7) Amortization of net loss 5 8 11 16 Total other components of net benefit credit (23) (15) (44) (31) Net periodic defined benefit credit $ (14) $ (8) $ (27) $ (16) Non-Qualified Defined Benefit Pension Plan Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2023 2024 2023 Service cost $ — $ — $ 1 $ 1 Other components of net benefit cost: Interest cost 2 2 4 4 Amortization of prior service credit (1) (2) (3) (4) Amortization of net loss 1 1 2 2 Total other components of net benefit cost 2 1 3 2 Net periodic defined benefit cost $ 2 $ 1 $ 4 $ 3 Postretirement Benefit Plan Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2023 2024 2023 Other components of net benefit credit: Expected return on plan assets $ — $ — $ (1) $ (1) Net periodic defined benefit credit $ — $ — $ (1) $ (1)

Income Taxes And Tax-Related It

Income Taxes And Tax-Related Items	6 Months Ended
	Jun. 30, 2024
Income Tax Disclosure [Abstract]
Income Taxes and Tax-Related Items	INCOME TAXES AND TAX-RELATED ITEMS Unrecognized tax benefits were $7 million at both June 30, 2024 and December 31, 2023. The Corporation does not anticipate any final settlements of federal or state tax issues to result in a change of net unrecognized tax benefits within the next twelve months. The liability for tax-related interest and penalties, included in accrued expenses and other liabilities on the Consolidated Balance Sheets, was less than $1 million at both June 30, 2024 and December 31, 2023. Net deferred tax assets were $1.1 billion at June 30, 2024, compared to $1.0 billion at December 31, 2023. The increase of approximately $153 million in net deferred tax assets resulted primarily from an increase to deferred tax assets related to hedging losses and net unrealized losses on investment securities available-for-sale. Included in deferred tax assets at June 30, 2024 were $2 million of state net operating loss (NOL) carryforwards and $5 million of federal foreign tax carryforwards. State NOL carryforwards expire between 2028 and 2042 and federal foreign tax credit carryforwards expire between 2028 and 2032. The Corporation believes that it is more likely than not that the benefit from federal foreign tax credits and certain state NOL carryforwards will not be realized and, accordingly, maintains its federal valuation allowance of $5 million at both June 30, 2024 and December 31, 2023. The Corporation maintained a state valuation allowance of $1 million at both June 30, 2024 and December 31, 2023. The determination regarding valuation allowance was based on evidence of loss carryback capacity, projected future reversals of existing taxable temporary differences to absorb the deferred tax assets and assumptions made regarding future events. In the ordinary course of business, the Corporation enters into certain transactions that have tax consequences. From time to time, the Internal Revenue Service (IRS) or other tax jurisdictions may review and/or challenge specific interpretive tax positions taken by the Corporation with respect to those transactions. The Corporation believes its tax returns were filed based upon applicable statutes, regulations and case law in effect at the time of the transactions. The IRS or other tax jurisdictions, an administrative authority or a court, if presented with the transactions, could disagree with the Corporation’s interpretation of the tax law. Based on current knowledge and probability assessment of various potential outcomes, the Corporation believes that current tax reserves are adequate, and the amount of any potential incremental liability arising is not expected to have a material adverse effect on the Corporation’s consolidated financial condition or results of operations. Probabilities and outcomes are reviewed as events unfold, and adjustments to the reserves are made when necessary.

Contingent Liabilities

Contingent Liabilities	6 Months Ended
	Jun. 30, 2024
Commitments and Contingencies Disclosure [Abstract]
Contingent Liabilities	CONTINGENT LIABILITIES Legal Proceedings and Regulatory Matters The Corporation is subject to various pending or threatened legal proceedings arising out of the normal course of business or operations. Use of the term "Corporation" in this note should not be read to infer that Comerica, Incorporated or any of its subsidiaries that is not named in any legal or regulatory proceeding undertakes any responsibility or liability for any other affiliate that is actually named in any legal or regulatory proceeding. The Corporation believes it has meritorious defenses to the claims asserted against it in its currently outstanding legal proceedings and, with respect to such legal proceedings, intends to continue to defend itself vigorously, litigating or settling cases according to management’s judgment as to what is in the best interests of the Corporation and its shareholders. Settlement may result from the Corporation's determination that it may be more prudent financially to settle, rather than litigate, and should not be regarded as an admission of liability. Further, from time to time, the Corporation is also subject to examinations, inquiries and investigations by regulatory authorities in areas including, but not limited to, compliance, risk management and consumer protection, which could lead to administrative or legal proceedings or settlements. For example, the Consumer Financial Protection Bureau (CFPB) is investigating certain of the Corporation's practices, and the Corporation has responded and continues to respond to the CFPB. The Corporation is unable to predict the outcome of these discussions at this time. Remedies in these proceedings or settlements may include fines, penalties, restitution or alterations in the Corporation's business practices and may result in increased operating expenses or decreased revenues. On at least a quarterly basis, the Corporation assesses its potential liabilities and contingencies in connection with outstanding legal proceedings and regulatory matters utilizing the latest information available. On a case-by-case basis, accruals are established for those legal claims and regulatory matters for which it is probable that a loss will be incurred and the amount of such loss can be reasonably estimated. The actual costs of resolving these claims and regulatory matters may be substantially higher or lower than the amounts accrued. Based on current knowledge, and after consultation with legal counsel, management believes current accruals are adequate, and the amount of any incremental liability arising from these matters is not expected to have a material adverse effect on the Corporation’s consolidated financial condition, results of operations or cash flows. For matters where a loss is not probable, the Corporation has not established an accrual. The Corporation believes the estimate of the aggregate range of reasonably possible losses, in excess of established accruals, for all legal proceedings and regulatory matters in which it is involved is from zero to approximately $172 million at June 30, 2024. This estimated aggregate range of reasonably possible losses is based upon currently available information for those legal proceedings and regulatory matters in which the Corporation is involved, taking into account the Corporation’s best estimate of such losses for those legal proceedings and regulatory matters for which such estimate can be made. For certain legal proceedings and regulatory matters, the Corporation does not believe that an estimate can currently be made. The Corporation’s estimate involves significant judgment, given the varying stages of the legal proceedings and regulatory matters (including the fact that many are currently in preliminary stages), the existence in certain legal proceedings of multiple defendants (including the Corporation) whose share of liability has yet to be determined, the numerous yet-unresolved issues in many of the legal proceedings and regulatory matters (including issues regarding class certification and the scope of many of the claims) and the attendant uncertainty of the various potential outcomes of such legal proceedings and regulatory matters. Accordingly, the Corporation’s estimate will change from time to time, and actual losses may be more or less than the current estimate. In the event of unexpected future developments, it is possible the ultimate resolution of these matters, if unfavorable, may be material to the Corporation's consolidated financial condition, results of operations or cash flows. For information regarding income tax contingencies, refer to Note 11.

Strategic Lines of Business

Strategic Lines of Business	6 Months Ended
	Jun. 30, 2024
Segment Reporting [Abstract]
Strategic Lines of Business	STRATEGIC LINES OF BUSINESS The Corporation has strategically aligned its operations into three major business segments: the Commercial Bank, the Retail Bank and Wealth Management. These business segments are differentiated based on the type of customer and the related products and services provided. In addition to the three major business segments, the Finance Division is also reported as a segment. The Other category includes items not directly associated with the business segments or the Finance segment. Business segment results are produced by the Corporation’s internal management accounting system. This system measures financial results based on the internal business unit structure of the Corporation. The performance of the business segments is not comparable with the Corporation's consolidated results and is not necessarily comparable with similar information for any other financial institution. Additionally, because of the interrelationships of the various segments, the information presented is not indicative of how the segments would perform if they operated as independent entities. The management accounting system assigns balance sheet and income statement items to each business segment using certain methodologies, which are regularly reviewed and refined. From time to time, the Corporation may make reclassifications among the segments to more appropriately reflect management's current view of the segments, and methodologies may be modified as the management accounting system is enhanced and changes occur in the organizational structure and/or product lines. For comparability purposes, amounts in all periods are based on business unit structure and methodologies in effect at June 30, 2024. The following discussion provides information about the activities of each business segment. A discussion of the financial results and the factors impacting performance can be found in "Business Segments" in the "Strategic Lines of Business" section of the financial review. The Commercial Bank meets the needs of small and middle market businesses, multinational corporations and governmental entities by offering various products and services including commercial loans and lines of credit, deposits, cash management, payment solutions, card services, capital market products, international trade finance and letters of credit. The Retail Bank includes a full range of personal financial services, consisting of consumer lending, consumer deposit gathering and mortgage loan origination. This business segment offers a variety of consumer products including deposit accounts, installment loans, credit cards, home equity lines of credit and residential mortgage loans. In addition, this business segment offers products and services to small businesses who are serviced through a team of dedicated business bankers and our branch network. Wealth Management provides products and services to affluent, high-net worth and ultra-high net worth individuals and families, business owners and executives, and institutional clients, including comprehensive financial planning, trust and fiduciary services, investment management and advisory, brokerage, private banking and business transition planning services. The Finance segment includes the Corporation’s securities portfolio and asset and liability management activities. This segment is responsible for managing the Corporation’s funding, liquidity and capital needs, performing interest sensitivity analysis and executing various strategies to manage the Corporation’s exposure to liquidity, interest rate risk and foreign exchange risk. The Other category includes tax benefits not assigned to specific business segments, charges of an unusual or infrequent nature that are not reflective of the normal operations of the business segments and miscellaneous other expenses of a corporate nature. For further information on the methodologies which form the basis for these results refer to Note 22 to the consolidated financial statements in the Corporation's 2023 Annual Report. Business segment financial results were as follows: Commercial Retail Wealth Management Finance Other Total (dollar amounts in millions) Three Months Ended June 30, 2024 Earnings summary: Net interest income (expense) $ 465 $ 203 $ 48 $ (220) $ 37 $ 533 Provision for credit losses — 1 (2) — 1 — Noninterest income 146 33 78 33 1 291 Noninterest expenses 250 177 88 1 39 555 Provision (benefit) for income taxes 85 14 10 (46) — 63 Net income (loss) $ 276 $ 44 $ 30 $ (142) $ (2) $ 206 Net charge-offs $ 8 $ 2 $ 1 $ — $ — $ 11 Selected average balances: Assets $ 45,843 $ 3,029 $ 5,299 $ 18,448 $ 6,588 $ 79,207 Loans 43,709 2,322 5,026 — 14 51,071 Deposits 31,176 24,590 3,951 3,032 306 63,055 Statistical data: Return on average assets (a) 2.42 % 0.71 % 2.25 % n/m n/m 1.05 % Efficiency ratio (b) 40.97 76.15 70.78 n/m n/m 67.77 Three Months Ended June 30, 2023 Earnings summary: Net interest income (expense) $ 504 $ 214 $ 51 $ (173) $ 25 $ 621 Provision for credit losses 33 (4) 2 — 2 33 Noninterest income 158 29 83 29 4 303 Noninterest expenses 248 171 89 2 25 535 Provision (benefit) for income taxes 90 18 11 (36) — 83 Net income (loss) $ 291 $ 58 $ 32 $ (110) $ 2 $ 273 Net (recoveries) charge-offs $ (3) $ — $ 1 $ — $ — $ (2) Selected average balances: Assets $ 50,945 $ 2,931 $ 5,624 $ 20,649 $ 10,206 $ 90,355 Loans 47,813 2,214 5,341 — — 55,368 Deposits 31,030 24,002 3,942 4,980 378 64,332 Statistical data: Return on average assets (a) 2.29 % 0.94 % 2.31 % n/m n/m 1.21 % Efficiency ratio (b) 37.44 69.73 66.21 n/m n/m 57.70 (a) Return on average assets is calculated based on the greater of average assets or average liabilities and attributed equity. (b) Noninterest expenses as a percentage of the sum of net interest income and noninterest income excluding net gains (losses) from securities, a derivative contract tied to the conversion rate of Visa Class B shares and changes in the value of shares obtained through monetization of warrants. n/m – not meaningful Commercial Retail Wealth Management Finance Other Total (dollar amounts in millions) Six Months Ended June 30, 2024 Earnings summary: Net interest income (expense) $ 942 $ 404 $ 94 $ (437) $ 78 $ 1,081 Provision for credit losses 16 — (1) — (1) 14 Noninterest income 293 61 143 23 7 527 Noninterest expenses 525 358 185 4 86 1,158 Provision (benefit) for income taxes 142 22 11 (87) 4 92 Net income (loss) $ 552 $ 85 $ 42 $ (331) $ (4) $ 344 Net charge-offs $ 22 $ 2 $ 1 $ — $ — $ 25 Selected average balances: Assets $ 46,163 $ 3,028 $ 5,372 $ 18,752 $ 8,097 $ 81,412 Loans 43,810 2,309 5,089 — 13 51,221 Deposits 31,694 24,487 3,925 3,786 291 64,183 Statistical data: Return on average assets (a) 2.41 % 0.68 % 1.56 % n/m n/m 0.85 % Efficiency ratio (b) 42.53 77.63 78.32 n/m n/m 72.24 Six Months Ended June 30, 2023 Earnings summary: Net interest income (expense) $ 1,045 $ 436 $ 109 $ (306) $ 45 $ 1,329 Provision for credit losses 59 2 (1) — 3 63 Noninterest income 311 57 156 52 9 585 Noninterest expenses 499 336 196 3 52 1,086 Provision (benefit) for income taxes 180 37 17 (64) (2) 168 Net income (loss) $ 618 $ 118 $ 53 $ (193) $ 1 $ 597 Net (recoveries) charge-offs $ (5) $ — $ 1 $ — $ — $ (4) Selected average balances: Assets $ 50,132 $ 2,923 $ 5,486 $ 20,794 $ 8,426 $ 87,761 Loans 46,943 2,209 5,271 — — 54,423 Deposits 33,883 24,576 4,326 2,916 371 66,072 Statistical data: Return on average assets (a) 2.48 % 0.95 % 1.98 % n/m n/m 1.37 % Efficiency ratio (b) 36.82 67.54 73.61 n/m n/m 56.58 (a) Return on average assets is calculated based on the greater of average assets or average liabilities and attributed equity. (b) Noninterest expenses as a percentage of the sum of net interest income and noninterest income excluding net gains (losses) from securities, a derivative contract tied to the conversion rate of Visa Class B shares and changes in the value of shares obtained through monetization of warrants. n/m – not meaningful

Revenue From Contracts With Cus

Revenue From Contracts With Customers	6 Months Ended
	Jun. 30, 2024
Revenue from Contract with Customer [Abstract]
Revenue From Contracts with Customers	REVENUE FROM CONTRACTS WITH CUSTOMERS Revenue from contracts with customers comprises the noninterest income earned by the Corporation in exchange for services provided to customers. The following table presents the composition of revenue from contracts with customers, segregated from other sources of noninterest income, by business segment. Commercial Retail Wealth Management Finance & Other Total (in millions) Three Months Ended June 30, 2024 Revenue from contracts with customers: Card fees $ 53 $ 10 $ 1 $ — $ 64 Fiduciary income 1 — 57 — 58 Service charges on deposit accounts 31 14 1 — 46 Commercial loan servicing fees (a) 2 — — — 2 Capital markets income (b) 8 — — — 8 Brokerage fees — — 14 — 14 Other noninterest income (b) 1 9 1 — 11 Total revenue from contracts with customers 96 33 74 — 203 Other sources of noninterest income 50 — 4 34 88 Total noninterest income $ 146 $ 33 $ 78 $ 34 $ 291 Three Months Ended June 30, 2023 Revenue from contracts with customers: Card fees $ 59 $ 12 $ 1 $ — $ 72 Fiduciary income — — 62 — 62 Service charges on deposit accounts 32 13 2 — 47 Commercial loan servicing fees (a) 3 — — — 3 Capital markets income (b) 4 — — — 4 Brokerage fees — — 8 — 8 Other noninterest income (b) 1 3 10 1 15 Total revenue from contracts with customers 99 28 83 1 211 Other sources of noninterest income 59 1 — 32 92 Total noninterest income $ 158 $ 29 $ 83 $ 33 $ 303 Six Months Ended June 30, 2024 Revenue from contracts with customers: Card fees $ 108 $ 20 $ 2 $ — $ 130 Fiduciary income 1 — 108 — 109 Service charges on deposit accounts 62 27 2 — 91 Commercial loan servicing fees (a) 4 — — — 4 Capital markets income (b) 12 — — — 12 Brokerage fees — — 24 — 24 Other noninterest income (b) 6 12 2 — 20 Total revenue from contracts with customers 193 59 138 — 390 Other sources of noninterest income 100 2 5 30 137 Total noninterest income $ 293 $ 61 $ 143 $ 30 $ 527 Six Months Ended June 30, 2023 Revenue from contracts with customers: Card fees $ 117 $ 22 $ 2 $ — $ 141 Fiduciary income — — 120 — 120 Service charges on deposit accounts 63 27 3 — 93 Commercial loan servicing fees (a) 6 — — — 6 Capital markets income (b) 8 — — — 8 Brokerage fees — — 16 — 16 Other noninterest income (b) 1 6 13 1 21 Total revenue from contracts with customers 195 55 154 1 405 Other sources of noninterest income 116 2 2 60 180 Total noninterest income $ 311 $ 57 $ 156 $ 61 $ 585 (a) Included in commercial lending fees on the Consolidated Statements of Comprehensive Income. (b) Excludes derivative, warrant and other miscellaneous income. Revenue from contracts with customers did not generate significant contract assets and liabilities for the periods presented.

Basis of Presentation and Acc_2

Basis of Presentation and Accounting Policies (Policies)	6 Months Ended
	Jun. 30, 2024
Accounting Policies [Abstract]
Loans and Recently Issued Accounting Pronouncements	Accounting Pronouncements Recently Adopted Effective January 1, 2024, the Corporation adopted the provisions of Financial Accounting Standards Board (FASB) Accounting Standards Update (ASU) No. 2023-02, "Investments-Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method (a consensus of the Emerging Issues Task Force)" (ASU 2023-02). ASU 2023-02 expanded the permitted use of the proportional amortization method, which was previously only available to low-income housing tax credit investments, to other tax equity investments if certain conditions are met. Under the proportional amortization method, the initial cost of an investment is amortized in proportion to the income tax benefits received and both the amortization of the investment and the income tax benefits received are recognized as a component of income tax expense. ASU 2023-02 was adopted on a modified retrospective basis of transition or, for certain changes, a prospective basis and resulted in a reduction to retained earnings as of January 1, 2024 of $4 million. Recently Issued Accounting Pronouncements In November 2023, the FASB issued ASU No. 2023-07 "Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures" (ASU 2023-07). The update requires enhanced disclosures about significant segment expenses, enhanced interim disclosure requirements, clarification for when multiple segment measures of profit or loss can be disclosed and other requirements intended to improve overall reportable segment disclosures in annual and interim periods. ASU 2023-07 is effective for the Corporation in the annual period beginning on January 1, 2024 and interim periods beginning on January 1, 2025 with retrospective application to all prior periods presented. Early adoption is permitted. The Corporation is evaluating the impact of ASU 2023-07 on its reportable segment disclosures.

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	6 Months Ended
	Jun. 30, 2024
Fair Value Disclosures [Abstract]
Assets And Liabilities Recorded At Fair Value On A Recurring Basis	The following tables present the recorded amount of assets and liabilities measured at fair value on a recurring basis as of June 30, 2024 and December 31, 2023. (in millions) Total Level 1 Level 2 Level 3 June 30, 2024 Deferred compensation plan assets $ 110 $ 110 $ — $ — Equity securities 46 46 — — Investment securities available-for-sale: U.S. Treasury securities 1,304 1,304 — — Residential mortgage-backed securities (a) 9,678 — 9,678 — Commercial mortgage-backed securities (a) 4,674 — 4,674 — Total investment securities available-for-sale 15,656 1,304 14,352 — Derivative assets: Interest rate contracts 203 — 203 — Energy contracts 565 — 565 — Foreign exchange contracts 32 — 32 — Total derivative assets 800 — 800 — Total assets at fair value $ 16,612 $ 1,460 $ 15,152 $ — Derivative liabilities: Interest rate contracts $ 480 $ — $ 480 $ — Energy contracts 558 — 558 — Foreign exchange contracts 22 — 22 — Other financial derivative liabilities 6 — — 6 Total derivative liabilities 1,066 — 1,060 6 Deferred compensation plan liabilities 110 110 — — Total liabilities at fair value $ 1,176 $ 110 $ 1,060 $ 6 December 31, 2023 Deferred compensation plan assets $ 104 $ 104 $ — $ — Equity securities 39 39 — — Investment securities available-for-sale: U.S. Treasury securities 1,605 1,605 — — Residential mortgage-backed securities (a) 10,519 — 10,519 — Commercial mortgage-backed securities (a) 4,745 — 4,745 — Total investment securities available-for-sale 16,869 1,605 15,264 — Derivative assets: Interest rate contracts 225 — 225 — Energy contracts 758 — 758 — Foreign exchange contracts 36 — 36 — Total derivative assets 1,019 — 1,019 — Total assets at fair value $ 18,031 $ 1,748 $ 16,283 $ — Derivative liabilities: Interest rate contracts $ 435 $ — $ 435 $ — Energy contracts 736 — 736 — Foreign exchange contracts 35 — 35 — Other financial derivative liabilities 12 — — 12 Total derivative liabilities 1,218 — 1,206 12 Deferred compensation plan liabilities 104 104 — — Total liabilities at fair value $ 1,322 $ 104 $ 1,206 $ 12 (a) Issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.
Changes In Level 3 Assets And Liabilities Measured At Fair Value On A Recurring Basis	The following table summarizes the changes in Level 3 assets and liabilities measured at fair value on a recurring basis for the three- and six-month periods ended June 30, 2024 and 2023. Net Realized/Unrealized Gains (Losses) (Pretax) Recorded in Earnings (a) (in millions) Balance at Beginning of Period Realized Unrealized Balance at End of Period Three Months Ended June 30, 2024 Derivative liabilities: Other financial derivative liabilities $ (12) $ 6 $ — $ (6) Three Months Ended June 30, 2023 Derivative liabilities: Other financial derivative liabilities (12) — (2) (14) Six Months Ended June 30, 2024 Derivative liabilities: Other financial derivative liabilities (12) 6 — (6) Six Months Ended June 30, 2023 Derivative liabilities: Other financial derivative liabilities (12) — (2) (14) (a) Realized and unrealized gains and losses due to changes in fair value are recorded in other noninterest income on the Consolidated Statements of Comprehensive Income.
Assets And Liabilities Recorded At Fair Value On A Nonrecurring Basis	The following table presents assets recorded at fair value on a nonrecurring basis at June 30, 2024 and December 31, 2023. No liabilities were recorded at fair value on a nonrecurring basis at June 30, 2024 and December 31, 2023. (in millions) Level 3 June 30, 2024 Loans: Commercial $ 21 Commercial mortgage 46 International 7 Residential mortgage 8 Total loans 82 Loans held-for-sale 217 Other real estate 7 Total assets at fair value $ 306 December 31, 2023 Loans: Commercial $ 12 Commercial mortgage 16 International 16 Total loans 44 Loans held-for-sale 231 Other real estate 5 Total assets at fair value $ 280
Estimated Fair Values Of Financial Instruments Not Recorded At Fair Value In Their Entirety On A Recurring Basis	The carrying amount and estimated fair value of financial instruments not recorded at fair value in their entirety on a recurring basis on the Corporation’s Consolidated Balance Sheets are as follows: Carrying Estimated Fair Value (in millions) Total Level 1 Level 2 Level 3 June 30, 2024 Assets Cash and due from banks $ 719 $ 719 $ 719 $ — $ — Interest-bearing deposits with banks 4,093 4,093 4,093 — — Other short-term investments 21 21 21 — — Total loans, net of allowance for loan losses (a) 51,164 50,412 — — 50,412 Liabilities Demand deposits 55,785 55,785 — 55,785 — Time deposits 6,674 6,682 — 6,682 — Total deposits 62,459 62,467 — 62,467 — Short-term borrowings 1,250 1,250 1,250 — — Medium- and long-term debt 7,112 7,190 — 7,190 — Credit-related financial instruments (63) (63) — — (63) December 31, 2023 Assets Cash and due from banks $ 1,443 $ 1,443 $ 1,443 $ — $ — Interest-bearing deposits with banks 8,059 8,059 8,059 — — Other short-term investments 24 24 24 — — Total loans, net of allowance for loan losses (a) 51,425 50,633 — — 50,633 Liabilities Demand deposits 58,476 58,476 — 58,476 — Time deposits 8,286 8,391 — 8,391 — Total deposits 66,762 66,867 — 66,867 — Short-term borrowings 3,565 3,565 3,565 — — Medium- and long-term debt 6,206 6,207 — 6,207 — Credit-related financial instruments (72) (72) — — (72) (a) Included $82 million and $44 million of loans recorded at fair value on a nonrecurring basis at June 30, 2024 and December 31, 2023, respectively.

Investment Securities (Tables)

Investment Securities (Tables)	6 Months Ended
	Jun. 30, 2024
Investments, Debt and Equity Securities [Abstract]
Summary Of Investment Securities	A summary of the Corporation’s investment securities follows: (in millions) Amortized Gross Gross Fair Value June 30, 2024 Investment securities available-for-sale: U.S. Treasury securities $ 1,354 $ — $ 50 $ 1,304 Residential mortgage-backed securities (a) 12,005 — 2,327 9,678 Commercial mortgage-backed securities (a) 5,251 — 577 4,674 Total investment securities available-for-sale $ 18,610 $ — $ 2,954 $ 15,656 December 31, 2023 Investment securities available-for-sale: U.S. Treasury securities $ 1,681 $ — $ 76 $ 1,605 Residential mortgage-backed securities (a) 12,607 — 2,088 10,519 Commercial mortgage-backed securities (a) 5,253 — 508 4,745 Total investment securities available-for-sale $ 19,541 $ — $ 2,672 $ 16,869 (a) Issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.
Summary Of Investment Securities in Unrealized Loss Positions	A summary of the Corporation’s investment securities in an unrealized loss position as of June 30, 2024 and December 31, 2023 follows: Less than 12 Months 12 Months or more Total (in millions, except securities count) Fair Unrealized Fair Unrealized Fair Unrealized Count June 30, 2024 U.S. Treasury securities $ 35 $ — $ 1,269 $ 50 $ 1,304 $ 50 16 Residential mortgage-backed securities (a) 2 — 9,675 2,327 9,677 2,327 947 Commercial mortgage-backed securities (a) — — 4,674 577 4,674 577 252 Total temporarily impaired securities $ 37 $ — $ 15,618 $ 2,954 $ 15,655 $ 2,954 1,215 December 31, 2023 U.S. Treasury securities $ — $ — $ 1,605 $ 76 $ 1,605 $ 76 19 Residential mortgage-backed securities (a) 10 — 10,507 2,088 10,517 2,088 978 Commercial mortgage-backed securities (a) — — 4,745 508 4,745 508 253 Total temporarily impaired securities $ 10 $ — $ 16,857 $ 2,672 $ 16,867 $ 2,672 1,250 (a) Issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.
Contractual Maturity Distribution Of Debt Securities	The following table summarizes the amortized cost and fair values of investment securities by contractual maturity. Securities with multiple maturity dates are classified in the period of final maturity. The actual cash flows of mortgage-backed securities may differ as borrowers of the underlying loans may exercise prepayment options. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. (in millions) June 30, 2024 Amortized Cost Fair Value Contractual maturity One year or less $ 893 $ 869 After one year through five years 777 731 After five years through ten years 5,206 4,637 After ten years 11,734 9,419 Total investment securities $ 18,610 $ 15,656

Credit Quality And Allowance _2

Credit Quality And Allowance For Credit Losses (Tables)	6 Months Ended
	Jun. 30, 2024
Credit Loss [Abstract]
Aging Analysis Of Loans	The following table presents an aging analysis of the amortized cost basis of loans. Loans Past Due and Still Accruing (in millions) 30-59 60-89 90 Days Total Nonaccrual Current Total June 30, 2024 Business loans: Commercial $ 69 $ 8 $ 5 $ 82 $ 94 $ 26,937 $ 27,113 Real estate construction: Commercial Real Estate business line (a) — — — — — 4,230 4,230 Other business lines (b) 18 — — 18 — 306 324 Total real estate construction 18 — — 18 — 4,536 4,554 Commercial mortgage: Commercial Real Estate business line (a) 9 — — 9 18 5,339 5,366 Other business lines (b) 33 3 3 39 51 8,700 8,790 Total commercial mortgage 42 3 3 48 69 14,039 14,156 Lease financing 5 — — 5 1 800 806 International — — — — 13 1,074 1,087 Total business loans 134 11 8 153 177 47,386 47,716 Retail loans: Residential mortgage 26 3 — 29 23 1,844 1,896 Consumer: Home equity 11 2 2 15 26 1,733 1,774 Other consumer 1 2 1 4 — 460 464 Total consumer 12 4 3 19 26 2,193 2,238 Total retail loans 38 7 3 48 49 4,037 4,134 Total loans $ 172 $ 18 $ 11 $ 201 $ 226 $ 51,423 $ 51,850 December 31, 2023 Business loans: Commercial $ 48 $ 14 $ 10 $ 72 $ 75 $ 27,104 $ 27,251 Real estate construction: Commercial Real Estate business line (a) — — — — — 4,570 4,570 Other business lines (b) 3 — — 3 2 508 513 Total real estate construction 3 — — 3 2 5,078 5,083 Commercial mortgage: Commercial Real Estate business line (a) 5 — — 5 18 4,704 4,727 Other business lines (b) 49 12 9 70 23 8,866 8,959 Total commercial mortgage 54 12 9 75 41 13,570 13,686 Lease financing 4 — — 4 — 803 807 International — — 1 1 20 1,081 1,102 Total business loans 109 26 20 155 138 47,636 47,929 Retail loans: Residential mortgage 10 6 — 16 19 1,854 1,889 Consumer: Home equity 11 5 — 16 21 1,755 1,792 Other consumer 31 — — 31 — 472 503 Total consumer 42 5 — 47 21 2,227 2,295 Total retail loans 52 11 — 63 40 4,081 4,184 Total loans $ 161 $ 37 $ 20 $ 218 $ 178 $ 51,717 $ 52,113 (a) Primarily loans to real estate developers. (b) Primarily loans secured by owner-occupied real estate.
Loans By Credit Quality Indicator and Vintage Year	The following table presents loans by credit quality indicator and vintage year. Credit quality indicator is based on internal risk ratings assigned to each business loan at the time of approval and subjected to subsequent reviews, generally at least annually, and to pools of retail loans with similar risk characteristics. Vintage year is the year of origination or major modification. June 30, 2024 Vintage Year (in millions) 2024 2023 2022 2021 2020 Prior Revolvers Revolvers Converted to Term Total Business loans: Commercial Pass (a) $ 1,572 $ 2,661 $ 2,307 $ 1,578 $ 505 $ 1,457 $ 15,690 $ 13 $ 25,783 Criticized (b) 32 85 197 195 36 91 689 5 1,330 Total commercial 1,604 2,746 2,504 1,773 541 1,548 16,379 18 27,113 Commercial gross charge-offs — 1 6 15 9 6 1 1 39 Real estate construction Pass (a) 74 623 2,124 1,238 138 50 272 — 4,519 Criticized (b) — — 35 — — — — — 35 Total real estate construction 74 623 2,159 1,238 138 50 272 — 4,554 Commercial mortgage Pass (a) 660 1,613 3,310 2,407 1,537 2,867 797 — 13,191 Criticized (b) 36 171 287 76 55 334 6 — 965 Total commercial mortgage 696 1,784 3,597 2,483 1,592 3,201 803 — 14,156 Commercial mortgage gross charge-offs — — 6 — — — — — 6 Lease financing Pass (a) 129 234 190 101 36 100 — — 790 Criticized (b) 1 5 2 — 3 5 — — 16 Total lease financing 130 239 192 101 39 105 — — 806 Lease financing gross charge-offs — — 3 — — — — — 3 International Pass (a) 219 105 140 68 29 29 471 — 1,061 Criticized (b) 2 7 2 8 — 4 3 — 26 Total international 221 112 142 76 29 33 474 — 1,087 Total business loans 2,725 5,504 8,594 5,671 2,339 4,937 17,928 18 47,716 Retail loans: Residential mortgage Pass (a) 63 244 287 362 436 478 — — 1,870 Criticized (b) 3 — 1 2 — 20 — — 26 Total residential mortgage 66 244 288 364 436 498 — — 1,896 Consumer: Home equity Pass (a) — — — — — 7 1,668 69 1,744 Criticized (b) — — — — — — 27 3 30 Total home equity — — — — — 7 1,695 72 1,774 Other consumer Pass (a) 9 12 33 17 8 53 330 — 462 Criticized (b) 1 — — — — — 1 — 2 Total other consumer 10 12 33 17 8 53 331 — 464 Other consumer gross charge-offs — — — — — 1 — — 1 Total consumer 10 12 33 17 8 60 2,026 72 2,238 Total retail loans 76 256 321 381 444 558 2,026 72 4,134 Total loans $ 2,801 $ 5,760 $ 8,915 $ 6,052 $ 2,783 $ 5,495 $ 19,954 $ 90 $ 51,850 Table continues on the following page. December 31, 2023 Vintage Year 2023 2022 2021 2020 2019 Prior Revolvers Revolvers Converted to Term Total Business loans: Commercial Pass (a) $ 3,105 $ 3,013 $ 2,072 $ 593 $ 610 $ 1,033 $ 15,394 $ 13 $ 25,833 Criticized (b) 85 169 226 42 59 75 760 2 1,418 Total commercial 3,190 3,182 2,298 635 669 1,108 16,154 15 27,251 Commercial gross charge-offs 1 11 2 1 11 12 3 1 42 Real estate construction Pass (a) 503 2,205 1,581 329 43 36 288 — 4,985 Criticized (b) 2 53 34 2 7 — — — 98 Total real estate construction 505 2,258 1,615 331 50 36 288 — 5,083 Commercial mortgage Pass (a) 1,680 3,129 2,173 1,786 981 2,271 893 — 12,913 Criticized (b) 15 232 99 34 248 141 4 — 773 Total commercial mortgage 1,695 3,361 2,272 1,820 1,229 2,412 897 — 13,686 Commercial mortgage gross charge-offs — — — — 3 1 — — 4 Lease financing Pass (a) 173 319 110 47 34 94 — — 777 Criticized (b) 5 8 3 3 7 4 — — 30 Total lease financing 178 327 113 50 41 98 — — 807 International Pass (a) 286 168 89 35 76 2 415 — 1,071 Criticized (b) 15 2 7 — — 6 1 — 31 Total international 301 170 96 35 76 8 416 — 1,102 International gross charge-offs 12 — — — — 1 — — 13 Total business loans 5,869 9,298 6,394 2,871 2,065 3,662 17,755 15 47,929 Retail loans: Residential mortgage Pass (a) 254 296 373 450 131 360 — — 1,864 Criticized (b) 2 — 1 — — 22 — — 25 Total residential mortgage 256 296 374 450 131 382 — — 1,889 Consumer: Home equity Pass (a) — — — — — 8 1,695 59 1,762 Criticized (b) — — — — — — 28 2 30 Total home equity — — — — — 8 1,723 61 1,792 Home equity gross charge-offs — — — — — — 2 — 2 Other consumer Pass (a) 23 38 22 8 4 46 362 — 503 Total other consumer 23 38 22 8 4 46 362 — 503 Other consumer gross charge-offs — — — — 1 — — — 1 Total consumer 23 38 22 8 4 54 2,085 61 2,295 Total retail loans 279 334 396 458 135 436 2,085 61 4,184 Total loans $ 6,148 $ 9,632 $ 6,790 $ 3,329 $ 2,200 $ 4,098 $ 19,840 $ 76 $ 52,113 (a) Includes all loans not included in the categories of special mention, substandard or nonaccrual. (b) Includes loans with an internal rating of special mention, substandard loans for which the accrual of interest has not been discontinued and nonaccrual loans. Special mention loans have potential credit weaknesses that deserve management’s close attention, such as loans to borrowers who may be experiencing financial difficulties that may result in deterioration of repayment prospects from the borrower at some future date. Accruing substandard loans have a well-defined weakness, or weaknesses, such as loans to borrowers who may be experiencing losses from operations or inadequate liquidity of a degree and duration that jeopardizes the orderly repayment of the loan. Substandard loans are also distinguished by the distinct possibility of loss in the future if these weaknesses are not corrected. Nonaccrual loans are loans for which the accrual of interest has been discontinued. For further information regarding nonaccrual loans, refer to the Nonperforming Assets subheading in Note 1 - Basis of Presentation and Accounting Policies on page F-52 in the Corporation's 2023 Annual Report. These categories are generally consistent with the "special mention" and "substandard" categories as defined by regulatory authorities. A minority of nonaccrual loans are consistent with the "doubtful" category.
Changes In The Allowance For Loan Losses	The following table details the changes in the allowance for credit losses. 2024 2023 (in millions) Business Loans Retail Loans Total Business Loans Retail Loans Total Three Months Ended June 30 Balance at beginning of period: Allowance for loan losses $ 626 $ 65 $ 691 $ 570 $ 71 $ 641 Allowance for credit losses on lending-related commitments 28 9 37 39 13 52 Allowance for credit losses 654 74 728 609 84 693 Loan charge-offs (28) — (28) (10) (1) (11) Recoveries on loans previously charged-off 16 1 17 13 — 13 Net loan (charge-offs) recoveries (12) 1 (11) 3 (1) 2 Provision for credit losses: Provision for loan losses 6 — 6 41 — 41 Provision for credit losses on lending-related commitments (5) (1) (6) (5) (3) (8) Provision for credit losses 1 (1) — 36 (3) 33 Balance at end of period: Allowance for loan losses 620 66 686 614 70 684 Allowance for credit losses on lending-related commitments 23 8 31 34 10 44 Allowance for credit losses $ 643 $ 74 $ 717 $ 648 $ 80 $ 728 Six Months Ended June 30 Balance at beginning of period Allowance for loan losses $ 620 $ 68 $ 688 $ 541 $ 69 $ 610 Allowance for credit losses on lending-related commitments 31 9 40 40 11 51 Allowance for credit losses 651 77 728 581 80 661 Loan charge-offs (48) (1) (49) (21) (2) (23) Recoveries on loans previously charged-off 22 2 24 26 1 27 Net loan (charge-offs) recoveries (26) 1 (25) 5 (1) 4 Provision for credit losses: Provision for loan losses 26 (3) 23 68 2 70 Provision for credit losses on lending-related commitments (8) (1) (9) (6) (1) (7) Provision for credit losses 18 (4) 14 62 1 63 Balance at end of period: Allowance for loan losses 620 66 686 614 70 684 Allowance for credit losses on lending-related commitments 23 8 31 34 10 44 Allowance for credit losses $ 643 $ 74 $ 717 $ 648 $ 80 $ 728 Allowance for loan losses as a percentage of total loans 1.30 % 1.59 % 1.32 % 1.19 % 1.70 % 1.23 % Allowance for credit losses as a percentage of total loans 1.35 1.79 1.38 1.26 1.95 1.31
Financing Receivable, Nonaccrual	The following table presents additional information regarding nonaccrual loans. Interest income of $6 million and $2 million was recognized on nonaccrual loans for the three-month periods ended June 30, 2024 and 2023, respectively. For the six-month periods ended June 30, 2024 and 2023, the Corporation recognized interest income of $8 million and $6 million, respectively, on nonaccrual loans. (in millions) Nonaccrual Loans with No Related Allowance Nonaccrual Loans with Related Allowance Total Nonaccrual Loans June 30, 2024 Business loans: Commercial $ 35 $ 59 $ 94 Commercial mortgage: Commercial Real Estate business line (a) — 18 18 Other business lines (b) 8 43 51 Total commercial mortgage 8 61 69 Lease financing — 1 1 International 3 10 13 Total business loans 46 131 177 Retail loans: Residential mortgage 23 — 23 Consumer: Home equity 26 — 26 Total retail loans 49 — 49 Total nonaccrual loans $ 95 $ 131 $ 226 December 31, 2023 Business loans: Commercial $ 47 $ 28 $ 75 Real estate construction: Other business lines (b) 2 — 2 Commercial mortgage: Commercial Real Estate business line (a) — 18 18 Other business lines (b) 17 6 23 Total commercial mortgage 17 24 41 International 3 17 20 Total business loans 69 69 138 Retail loans: Residential mortgage 19 — 19 Consumer: Home equity 21 — 21 Total consumer 21 — 21 Total retail loans 40 — 40 Total nonaccrual loans $ 109 $ 69 $ 178 (a) Primarily loans to real estate developers. (b) Primarily loans secured by owner-occupied real estate.
Loan Modifications Made to Borrowers Experiencing Financial Difficulty	The following table displays the amortized cost basis of FDMs at June 30, 2024 and 2023 that were restructured during the three- and six-month periods ended June 30, 2024 and 2023 by type of modification. (in millions) Term Extension (a) Payment Delay (a) Interest Rate Reduction Combinations (b) Total Percent of Total Class Three Months Ended June 30, 2024 Business loans: Commercial $ 91 $ — $ 7 $ 3 $ 101 0.38 % Commercial mortgage: Other business lines (c) 9 — — — 9 0.10 Total commercial mortgage 9 — — — 9 0.06 International 8 — — — 8 0.71 Total business loans 108 — 7 3 118 0.25 Retail loans: Consumer: Home equity — — 1 — 1 0.07 Total consumer — — 1 — 1 0.05 Total retail loans — — 1 — 1 0.03 Total loans $ 108 $ — $ 8 $ 3 $ 119 0.23 % Three Months Ended June 30, 2023 Business loans: Commercial $ 25 $ 22 $ — $ — $ 47 0.15 % Commercial mortgage: Other business lines (c) 2 — 2 — 4 0.05 Total commercial mortgage 2 — 2 — 4 0.03 International — — — 1 1 0.10 Total business loans 27 22 2 1 52 0.10 Total loans $ 27 $ 22 $ 2 $ 1 $ 52 0.09 % Six Months Ended June 30, 2024 Business loans: Commercial $ 149 $ — $ 7 $ 10 $ 166 0.61 % Commercial mortgage: Other business lines (c) 15 — — — 15 0.16 Total commercial mortgage 15 — — — 15 0.10 International 9 — — — 9 0.84 Total business loans 173 — 7 10 190 0.40 Retail loans: Consumer: Home equity — — 2 1 3 0.19 Total consumer — — 2 1 3 0.15 Total retail loans — — 2 1 3 0.08 Total loans $ 173 $ — $ 9 $ 11 $ 193 0.37 % Six Months Ended June 30, 2023 Business loans: Commercial $ 30 $ 22 $ — $ 1 $ 53 0.17 % Commercial mortgage: Commercial Real Estate business line (d) 1 — — — 1 0.02 Other business lines (c) 4 — 2 5 11 0.11 Total commercial mortgage 5 — 2 5 12 0.08 International — — — 1 1 0.10 Total business loans 35 22 2 7 66 0.13 Total loans $ 35 $ 22 $ 2 $ 7 $ 66 0.12 % (a) Represents loan balances where terms were extended or payments were delayed by a more than an insignificant time period, typically more than 180 days, at or above contractual interest rates. (b) Relates to FDMs where more than one type of modification was made. For the three- and six-month periods ended June 30, 2024 and 2023, this primarily related to modifications where the interest rate was reduced and the term was extended. (c) Primarily loans secured by owner-occupied real estate. (d) Primarily loans to real estate developers.
Loan Modifications Made to Specific Loans	The following table summarizes the financial impacts of loan modifications made during the three- and six-month periods ended June 30, 2024 and 2023. Weighted-Average Term Extension Weighted-Average Interest Rate Reduction Three Months Ended June 30, 2024 Business loans: Commercial 13.2 (1.03) % Commercial mortgage: Other business lines (a) 7.2 — Total commercial mortgage 7.2 — International 7.9 — Total business loans 12.3 (1.03) Retail loans: Consumer: Home equity — (4.17) Total consumer — (4.17) Total retail loans — (4.17) Total loans 12.3 (1.31) % Three Months Ended June 30, 2023 Business loans: Commercial 6.6 — % Commercial mortgage: Other business lines (a) 60.1 (1.92) Total commercial mortgage 60.1 (1.92) Total business loans 11.5 (1.92) Total loans 11.5 (1.92) % Six Months Ended June 30, 2024 Business loans: Commercial 12.3 (1.06) % Commercial mortgage: Other business lines (a) 9.0 — Total commercial mortgage 9.0 — International 8.6 — Total business loans 11.9 (1.06) Retail loans: Consumer: Home equity 118.3 (3.54) Total consumer 118.3 (3.54) Total retail loans 118.3 (3.54) Total loans 12.7 (1.34) % Six Months Ended June 30, 2023 Business loans: Commercial 9.2 (0.44) % Commercial mortgage: Commercial Real Estate business line (b) 6.0 — Other business lines (a) 31.9 (0.71) Total commercial mortgage 29.5 (0.71) Total business loans 13.8 (0.67) Total loans 13.8 (0.67) % (a) Primarily loans secured by owner-occupied real estate. (b) Primarily loans to real estate developers.

Derivative And Credit-Related_2

Derivative And Credit-Related Financial Instruments (Tables)	6 Months Ended
	Jun. 30, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule Of Derivative Instruments	The following table presents the composition of the Corporation’s derivative instruments held or issued for risk management purposes or in connection with customer-initiated and other activities at June 30, 2024 and December 31, 2023. The table excludes a derivative related to the Corporation's 2008 sale of its remaining ownership of Visa shares and includes accrued interest receivable and payable. June 30, 2024 December 31, 2023 Fair Value Fair Value (in millions) Notional/ Gross Derivative Assets Gross Derivative Liabilities Notional/ Gross Derivative Assets Gross Derivative Liabilities Risk management purposes Derivatives designated as hedging instruments Interest rate contracts: Fair value swaps - receive fixed/pay floating $ 7,300 $ — $ 3 $ 6,300 $ — $ — Cash flow swaps - receive fixed/pay floating (b) 24,150 — 45 24,850 — 8 Derivatives used as economic hedges Foreign exchange contracts: Spot, forwards and swaps 637 1 — 560 1 3 Total risk management purposes 32,087 1 48 31,710 1 11 Customer-initiated and other activities Interest rate contracts: Caps and floors written 1,607 — 14 1,577 — 18 Caps and floors purchased 1,607 14 — 1,577 18 — Swaps 18,895 189 418 19,316 207 409 Total interest rate contracts 22,109 203 432 22,470 225 427 Energy contracts: Caps and floors written 4,161 2 243 3,719 3 291 Caps and floors purchased 4,161 229 2 3,719 292 3 Swaps 7,302 334 313 6,368 463 442 Total energy contracts 15,624 565 558 13,806 758 736 Foreign exchange contracts: Spot, forwards, options and swaps 2,948 31 22 2,751 35 32 Total customer-initiated and other activities 40,681 799 1,012 39,027 1,018 1,195 Total gross derivatives $ 72,768 800 1,060 $ 70,737 1,019 1,206 Amounts offset in the Consolidated Balance Sheets: Netting adjustment - Offsetting derivative assets/liabilities (283) (283) (311) (311) Netting adjustment - Cash collateral received/posted (85) (3) (143) (13) Net derivatives included in the Consolidated Balance Sheets (c) 432 774 565 882 Amounts not offset in the Consolidated Balance Sheets: Marketable securities pledged under bilateral collateral agreements (287) (78) (501) (4) Net derivatives after deducting amounts not offset in the Consolidated Balance Sheets $ 145 $ 696 $ 64 $ 878 (a) Notional or contractual amounts, which represent the extent of involvement in the derivatives market, are used to determine the contractual cash flows required in accordance with the terms of the agreement. These amounts are typically not exchanged, significantly exceed amounts subject to credit or market risk and are not reflected in the Consolidated Balance Sheets. (b) June 30, 2024 included $750 million of forward starting swaps that will become effective on their contractual start dates in 2024. (c) Net derivative assets are included in accrued income and other assets and net derivative liabilities are included in accrued expenses and other liabilities on the Consolidated Balance Sheets. Included in the fair value of net derivative assets and net derivative liabilities are credit valuation adjustments reflecting counterparty credit risk and credit risk of the Corporation. The fair value of net derivative assets included credit valuation adjustments for counterparty credit risk of $2 million and $3 million at June 30, 2024 and December 31, 2023, respectively.
Schedule of the Effects of Fair Value Hedging on the Consolidated Statements of Comprehensive Income	The following table details the effects of fair value hedging on the Consolidated Statements of Comprehensive Income. Interest on Medium- and Long-Term Debt Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2023 2024 2023 Total interest on medium- and long-term debt (a) $ 124 $ 110 $ 241 $ 167 Fair value hedging relationships: Interest rate contracts: Hedged items 87 79 168 120 Derivatives designated as hedging instruments 37 31 73 47 (a) Includes the effects of hedging.
Schedule Of Weighted Average Maturity And Interest Rates On Risk Management Cash Flow Swaps	The following tables summarize the expected weighted average remaining maturity of the notional amount of risk management interest rate swaps, the weighted average interest rates associated with amounts expected to be received or paid on interest rate swap agreements, and for fair value swaps, the weighted average carrying amount of the related hedged items, as of June 30, 2024 and December 31, 2023. Cash flow swaps - receive fixed/pay floating rate on variable-rate loans June 30, 2024 December 31, 2023 Weighted average: Time to maturity (in years) 3.5 3.9 Receive rate (a) 2.50 % 2.43 % Pay rate (a), (b) 5.36 5.38 (a) Excludes forward starting swaps not effective as of the period shown. June 30, 2024 excluded $750 million of forward starting swaps. December 31, 2023 excluded $2.0 billion of forward starting swaps. (b)
Schedule Of Weighted Average Maturity And Interest Rates On Risk Management Interest Rate Swaps	Fair value swaps - receive fixed/pay floating rate on medium- and long-term debt (dollar amounts in millions) June 30, 2024 December 31, 2023 Carrying value of hedged items (a) $ 7,112 $ 6,206 Weighted average: Time to maturity (in years) 2.9 3.1 Receive rate (b) 3.68 % 3.67 % Pay rate (b) 5.65 5.74 (a) Included $(183) million and $(93) million of cumulative hedging adjustments at June 30, 2024 and December 31, 2023, respectively, which included $2 million and $3 million, respectively, of hedging adjustment on a discontinued hedging relationship. (b)
Schedule Of Net Gains Recognized In Income On Customer-Initiated Derivatives	The net gains recognized in income on customer-initiated derivative instruments, net of the impact of offsetting positions included in capital markets income, were as follows: Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2023 2024 2023 Interest rate contracts $ 3 $ 7 $ 8 $ 12 Energy contracts 5 5 8 13 Foreign exchange contracts 13 14 24 28 Total $ 21 $ 26 $ 40 $ 53
Schedule Of Financial Instruments With Off-Balance Sheet Credit Risk	The Corporation’s credit risk associated with these instruments is represented by the contractual amounts indicated in the following table. (in millions) June 30, 2024 December 31, 2023 Unused commitments to extend credit: Commercial and other $ 24,130 $ 27,303 Bankcard, revolving credit and home equity loan commitments 4,053 4,082 Total unused commitments to extend credit $ 28,183 $ 31,385 Standby letters of credit $ 3,754 $ 3,586 Commercial letters of credit 49 48
Summary Of Criticized Letters Of Credit	The following table presents a summary of criticized standby and commercial letters of credit at June 30, 2024 and December 31, 2023. The Corporation's criticized list is consistent with the Special Mention, Substandard and Doubtful categories defined by regulatory authorities. The Corporation manages credit risk through underwriting, periodically reviewing and approving its credit exposures using Board committee approved credit policies and guidelines. (dollar amounts in millions) June 30, 2024 December 31, 2023 Total criticized standby and commercial letters of credit $ 30 $ 50 As a percentage of total outstanding standby and commercial letters of credit 0.8 % 1.4 %

Variable Interest Entities (V_2

Variable Interest Entities (VIEs) (Tables)	6 Months Ended
	Jun. 30, 2024
Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract]
Impact of VIEs on the Consolidated Statements of Income	The following table summarizes the impact of these tax credit investments under the proportional amortization method on the Corporation’s Consolidated Statements of Comprehensive Income. Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2024 Provision for income taxes: Amortization of investments $ 20 $ 39 Tax credits (21) (38) Other income tax benefits related to tax credit entities (3) (8) Total provision for income taxes $ (4) $ (7)

Medium- And Long-Term Debt (Tab

Medium- And Long-Term Debt (Tables)	6 Months Ended
	Jun. 30, 2024
Debt Disclosure [Abstract]
Schedule Of Medium- And Long-Term Debt	Medium- and long-term debt is summarized as follows: (in millions) June 30, 2024 December 31, 2023 Parent company Subordinated notes: 3.80% subordinated notes due 2026 $ 239 $ 241 Medium- and long-term notes: 4.00% notes due 2029 513 523 5.982% notes due 2030 978 — Total medium- and long-term notes 1,491 523 Total parent company 1,730 764 Subsidiaries Subordinated notes: 4.00% subordinated notes due 2025 339 337 7.875% subordinated notes due 2026 157 162 5.332% subordinated notes due 2033 450 466 Total subordinated notes 946 965 Medium- and long-term notes: 2.50% notes due 2024 499 489 FHLB advances: 5.07% advance due 2025 993 995 4.79% advance due 2026 986 997 4.49% advance due 2027 982 999 4.49% advance due 2028 976 997 Total FHLB advances: 3,937 3,988 Total subsidiaries 5,382 5,442 Total medium- and long-term debt $ 7,112 $ 6,206

Accumulated Other Comprehensi_2

Accumulated Other Comprehensive Loss (Tables)	6 Months Ended
	Jun. 30, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Schedule Of Accumulated Other Comprehensive Loss	The following table presents a reconciliation of the changes in the components of accumulated other comprehensive loss and details the components of other comprehensive loss for the six months ended June 30, 2024 and 2023, including the amount of income tax benefit allocated to each component of other comprehensive loss. Six Months Ended June 30, (in millions) 2024 2023 Accumulated net unrealized losses on investment securities: Balance at beginning of period, net of tax $ (2,043) $ (2,319) Net unrealized holding (losses) gains arising during the period (282) 97 Less: (Benefit) provision for income taxes (73) 24 Change in net unrealized losses on investment securities, net of tax (209) 73 Balance at end of period, net of tax $ (2,252) $ (2,246) Accumulated net losses on cash flow hedges: Balance at beginning of period, net of tax $ (605) $ (942) Net cash flow hedge losses arising during the period (620) (389) Less: Benefit for income taxes (150) (91) Change in net cash flow hedge losses arising during the period, net of tax (470) (298) Less: Net cash flow losses included in interest and fees on loans (329) (269) Net amortization of unrealized losses related to de-designated derivatives included in interest and fees on loans (15) — Less: Benefit for income taxes (83) (63) Reclassification adjustment for net cash flow hedge losses included in net income, net of tax (261) (206) Change in net cash flow hedge losses, net of tax (209) (92) Balance at end of period, net of tax (a) $ (814) $ (1,034) Accumulated defined benefit pension and other postretirement plans adjustment: Balance at beginning of period, net of tax $ (400) $ (481) Amounts recognized in other noninterest expenses: Amortization of actuarial net loss 13 18 Amortization of prior service credit (10) (11) Total amounts recognized in other noninterest expenses 3 7 Less: Provision for income taxes — 2 Adjustment for amounts recognized as components of net periodic benefit credit during the period, net of tax 3 5 Change in defined benefit pension and other postretirement plans adjustment, net of tax 3 5 Balance at end of period, net of tax $ (397) $ (476) Total accumulated other comprehensive loss at end of period, net of tax $ (3,463) $ (3,756) (a) The Corporation expects to reclassify $371 million of losses, net of tax, from accumulated other comprehensive loss to earnings over the next twelve months if interest yield curves and notional amounts remain at June 30, 2024 levels.

Net Income Per Common Share (Ta

Net Income Per Common Share (Tables)	6 Months Ended
	Jun. 30, 2024
Earnings Per Share [Abstract]
Basic And Diluted Net Income Per Common Share	Basic and diluted net income per common share are presented in the following table. Three Months Ended June 30, Six Months Ended June 30, (in millions, except per share data) 2024 2023 2024 2023 Basic and diluted Net income $ 206 $ 273 $ 344 $ 597 Less: Income allocated to participating securities 1 2 2 3 Preferred stock dividends 5 5 11 11 Net income attributable to common shares $ 200 $ 266 $ 331 $ 583 Basic average common shares 133 132 133 132 Basic net income per common share $ 1.50 $ 2.02 $ 2.49 $ 4.43 Basic average common shares 133 132 133 132 Dilutive common stock equivalents: Net effect of the assumed exercise of stock awards 1 — 1 — Diluted average common shares 134 132 134 132 Diluted net income per common share $ 1.49 $ 2.01 $ 2.47 $ 4.40
Schedule of Average Shares Excluded From Diluted Net Income Per Common Share Computation	The following average shares related to outstanding options to purchase shares of common stock that were not included in the computation of diluted net income per common share because the options were anti-dilutive for the period. Three Months Ended June 30, Six Months Ended June 30, (average outstanding options in thousands) 2024 2023 2024 2023 Average outstanding options 1,816 1,816 1,800 1,338 Range of exercise prices $53.96 - $95.25 $42.32 - $95.25 $53.96 - $95.25 $63.15 - $95.25

Employee Benefit Plans (Tables)

Employee Benefit Plans (Tables)	6 Months Ended
	Jun. 30, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Components of Net Periodic Benefit Cost	The components of net periodic benefit cost (credit) for the Corporation's qualified pension plan, non-qualified pension plan and postretirement benefit plan are as follows. Qualified Defined Benefit Pension Plan Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2023 2024 2023 Service cost $ 9 $ 7 $ 17 $ 15 Other components of net benefit credit: Interest cost 21 22 42 43 Expected return on plan assets (45) (42) (90) (83) Amortization of prior service credit (4) (3) (7) (7) Amortization of net loss 5 8 11 16 Total other components of net benefit credit (23) (15) (44) (31) Net periodic defined benefit credit $ (14) $ (8) $ (27) $ (16) Non-Qualified Defined Benefit Pension Plan Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2023 2024 2023 Service cost $ — $ — $ 1 $ 1 Other components of net benefit cost: Interest cost 2 2 4 4 Amortization of prior service credit (1) (2) (3) (4) Amortization of net loss 1 1 2 2 Total other components of net benefit cost 2 1 3 2 Net periodic defined benefit cost $ 2 $ 1 $ 4 $ 3 Postretirement Benefit Plan Three Months Ended June 30, Six Months Ended June 30, (in millions) 2024 2023 2024 2023 Other components of net benefit credit: Expected return on plan assets $ — $ — $ (1) $ (1) Net periodic defined benefit credit $ — $ — $ (1) $ (1)

Strategic Lines of Business (Ta

Strategic Lines of Business (Tables)	6 Months Ended
	Jun. 30, 2024
Segment Reporting [Abstract]
Business Segment Financial Results	Business segment financial results were as follows: Commercial Retail Wealth Management Finance Other Total (dollar amounts in millions) Three Months Ended June 30, 2024 Earnings summary: Net interest income (expense) $ 465 $ 203 $ 48 $ (220) $ 37 $ 533 Provision for credit losses — 1 (2) — 1 — Noninterest income 146 33 78 33 1 291 Noninterest expenses 250 177 88 1 39 555 Provision (benefit) for income taxes 85 14 10 (46) — 63 Net income (loss) $ 276 $ 44 $ 30 $ (142) $ (2) $ 206 Net charge-offs $ 8 $ 2 $ 1 $ — $ — $ 11 Selected average balances: Assets $ 45,843 $ 3,029 $ 5,299 $ 18,448 $ 6,588 $ 79,207 Loans 43,709 2,322 5,026 — 14 51,071 Deposits 31,176 24,590 3,951 3,032 306 63,055 Statistical data: Return on average assets (a) 2.42 % 0.71 % 2.25 % n/m n/m 1.05 % Efficiency ratio (b) 40.97 76.15 70.78 n/m n/m 67.77 Three Months Ended June 30, 2023 Earnings summary: Net interest income (expense) $ 504 $ 214 $ 51 $ (173) $ 25 $ 621 Provision for credit losses 33 (4) 2 — 2 33 Noninterest income 158 29 83 29 4 303 Noninterest expenses 248 171 89 2 25 535 Provision (benefit) for income taxes 90 18 11 (36) — 83 Net income (loss) $ 291 $ 58 $ 32 $ (110) $ 2 $ 273 Net (recoveries) charge-offs $ (3) $ — $ 1 $ — $ — $ (2) Selected average balances: Assets $ 50,945 $ 2,931 $ 5,624 $ 20,649 $ 10,206 $ 90,355 Loans 47,813 2,214 5,341 — — 55,368 Deposits 31,030 24,002 3,942 4,980 378 64,332 Statistical data: Return on average assets (a) 2.29 % 0.94 % 2.31 % n/m n/m 1.21 % Efficiency ratio (b) 37.44 69.73 66.21 n/m n/m 57.70 (a) Return on average assets is calculated based on the greater of average assets or average liabilities and attributed equity. (b) Noninterest expenses as a percentage of the sum of net interest income and noninterest income excluding net gains (losses) from securities, a derivative contract tied to the conversion rate of Visa Class B shares and changes in the value of shares obtained through monetization of warrants. n/m – not meaningful Commercial Retail Wealth Management Finance Other Total (dollar amounts in millions) Six Months Ended June 30, 2024 Earnings summary: Net interest income (expense) $ 942 $ 404 $ 94 $ (437) $ 78 $ 1,081 Provision for credit losses 16 — (1) — (1) 14 Noninterest income 293 61 143 23 7 527 Noninterest expenses 525 358 185 4 86 1,158 Provision (benefit) for income taxes 142 22 11 (87) 4 92 Net income (loss) $ 552 $ 85 $ 42 $ (331) $ (4) $ 344 Net charge-offs $ 22 $ 2 $ 1 $ — $ — $ 25 Selected average balances: Assets $ 46,163 $ 3,028 $ 5,372 $ 18,752 $ 8,097 $ 81,412 Loans 43,810 2,309 5,089 — 13 51,221 Deposits 31,694 24,487 3,925 3,786 291 64,183 Statistical data: Return on average assets (a) 2.41 % 0.68 % 1.56 % n/m n/m 0.85 % Efficiency ratio (b) 42.53 77.63 78.32 n/m n/m 72.24 Six Months Ended June 30, 2023 Earnings summary: Net interest income (expense) $ 1,045 $ 436 $ 109 $ (306) $ 45 $ 1,329 Provision for credit losses 59 2 (1) — 3 63 Noninterest income 311 57 156 52 9 585 Noninterest expenses 499 336 196 3 52 1,086 Provision (benefit) for income taxes 180 37 17 (64) (2) 168 Net income (loss) $ 618 $ 118 $ 53 $ (193) $ 1 $ 597 Net (recoveries) charge-offs $ (5) $ — $ 1 $ — $ — $ (4) Selected average balances: Assets $ 50,132 $ 2,923 $ 5,486 $ 20,794 $ 8,426 $ 87,761 Loans 46,943 2,209 5,271 — — 54,423 Deposits 33,883 24,576 4,326 2,916 371 66,072 Statistical data: Return on average assets (a) 2.48 % 0.95 % 1.98 % n/m n/m 1.37 % Efficiency ratio (b) 36.82 67.54 73.61 n/m n/m 56.58 (a) Return on average assets is calculated based on the greater of average assets or average liabilities and attributed equity. (b) Noninterest expenses as a percentage of the sum of net interest income and noninterest income excluding net gains (losses) from securities, a derivative contract tied to the conversion rate of Visa Class B shares and changes in the value of shares obtained through monetization of warrants. n/m – not meaningful

Revenue From Contracts with C_2

Revenue From Contracts with Customers (Tables)	6 Months Ended
	Jun. 30, 2024
Revenue from Contract with Customer [Abstract]
Composition of Revenue from Contracts with Customers	The following table presents the composition of revenue from contracts with customers, segregated from other sources of noninterest income, by business segment. Commercial Retail Wealth Management Finance & Other Total (in millions) Three Months Ended June 30, 2024 Revenue from contracts with customers: Card fees $ 53 $ 10 $ 1 $ — $ 64 Fiduciary income 1 — 57 — 58 Service charges on deposit accounts 31 14 1 — 46 Commercial loan servicing fees (a) 2 — — — 2 Capital markets income (b) 8 — — — 8 Brokerage fees — — 14 — 14 Other noninterest income (b) 1 9 1 — 11 Total revenue from contracts with customers 96 33 74 — 203 Other sources of noninterest income 50 — 4 34 88 Total noninterest income $ 146 $ 33 $ 78 $ 34 $ 291 Three Months Ended June 30, 2023 Revenue from contracts with customers: Card fees $ 59 $ 12 $ 1 $ — $ 72 Fiduciary income — — 62 — 62 Service charges on deposit accounts 32 13 2 — 47 Commercial loan servicing fees (a) 3 — — — 3 Capital markets income (b) 4 — — — 4 Brokerage fees — — 8 — 8 Other noninterest income (b) 1 3 10 1 15 Total revenue from contracts with customers 99 28 83 1 211 Other sources of noninterest income 59 1 — 32 92 Total noninterest income $ 158 $ 29 $ 83 $ 33 $ 303 Six Months Ended June 30, 2024 Revenue from contracts with customers: Card fees $ 108 $ 20 $ 2 $ — $ 130 Fiduciary income 1 — 108 — 109 Service charges on deposit accounts 62 27 2 — 91 Commercial loan servicing fees (a) 4 — — — 4 Capital markets income (b) 12 — — — 12 Brokerage fees — — 24 — 24 Other noninterest income (b) 6 12 2 — 20 Total revenue from contracts with customers 193 59 138 — 390 Other sources of noninterest income 100 2 5 30 137 Total noninterest income $ 293 $ 61 $ 143 $ 30 $ 527 Six Months Ended June 30, 2023 Revenue from contracts with customers: Card fees $ 117 $ 22 $ 2 $ — $ 141 Fiduciary income — — 120 — 120 Service charges on deposit accounts 63 27 3 — 93 Commercial loan servicing fees (a) 6 — — — 6 Capital markets income (b) 8 — — — 8 Brokerage fees — — 16 — 16 Other noninterest income (b) 1 6 13 1 21 Total revenue from contracts with customers 195 55 154 1 405 Other sources of noninterest income 116 2 2 60 180 Total noninterest income $ 311 $ 57 $ 156 $ 61 $ 585 (a) Included in commercial lending fees on the Consolidated Statements of Comprehensive Income. (b) Excludes derivative, warrant and other miscellaneous income.

Fair Value Measurements (Assets

Fair Value Measurements (Assets And Liabilities Recorded At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Millions		Jun. 30, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:		$ 15,656	$ 16,869
Derivative assets:		800	1,019
Total derivative liabilities		1,060	1,206
U.S. Treasury securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:		1,304	1,605
Residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:	[1]	9,678	10,519
Commercial mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:	[1]	4,674	4,745
Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:		15,656	16,869
Derivative assets:		800	1,019
Total assets at fair value		16,612	18,031
Total derivative liabilities		1,066	1,218
Deferred compensation plan liabilities		110	104
Total liabilities at fair value		1,176	1,322
Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:		1,304	1,605
Derivative assets:		0	0
Total assets at fair value		1,460	1,748
Total derivative liabilities		0	0
Deferred compensation plan liabilities		110	104
Total liabilities at fair value		110	104
Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:		14,352	15,264
Derivative assets:		800	1,019
Total assets at fair value		15,152	16,283
Total derivative liabilities		1,060	1,206
Deferred compensation plan liabilities		0	0
Total liabilities at fair value		1,060	1,206
Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:		0	0
Derivative assets:		0	0
Total assets at fair value		0	0
Total derivative liabilities		6	12
Deferred compensation plan liabilities		0	0
Total liabilities at fair value		6	12
Recurring | Interest rate contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		203	225
Total derivative liabilities		480	435
Recurring | Interest rate contracts | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		0	0
Total derivative liabilities		0	0
Recurring | Interest rate contracts | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		203	225
Total derivative liabilities		480	435
Recurring | Interest rate contracts | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		0	0
Total derivative liabilities		0	0
Recurring | Energy contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		565	758
Total derivative liabilities		558	736
Recurring | Energy contracts | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		0	0
Total derivative liabilities		0	0
Recurring | Energy contracts | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		565	758
Total derivative liabilities		558	736
Recurring | Energy contracts | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		0	0
Total derivative liabilities		0	0
Recurring | Foreign exchange contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		32	36
Total derivative liabilities		22	35
Recurring | Foreign exchange contracts | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		0	0
Total derivative liabilities		0	0
Recurring | Foreign exchange contracts | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		32	36
Total derivative liabilities		22	35
Recurring | Foreign exchange contracts | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets:		0	0
Total derivative liabilities		0	0
Recurring | Other financial derivative liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative liabilities		6	12
Recurring | Other financial derivative liabilities | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative liabilities		0	0
Recurring | Other financial derivative liabilities | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative liabilities		0	0
Recurring | Other financial derivative liabilities | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative liabilities		6	12
Total liabilities at fair value		6	12
Recurring | Deferred compensation plan assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets		110	104
Recurring | Deferred compensation plan assets | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets		110	104
Recurring | Deferred compensation plan assets | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets		0	0
Recurring | Deferred compensation plan assets | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets		0	0
Recurring | Equity securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities		46	39
Recurring | Equity securities | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities		46	39
Recurring | Equity securities | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities		0	0
Recurring | Equity securities | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity securities		0	0
Recurring | U.S. Treasury securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:		1,304	1,605
Recurring | U.S. Treasury securities | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:		1,304	1,605
Recurring | U.S. Treasury securities | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:		0	0
Recurring | U.S. Treasury securities | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:		0	0
Recurring | Residential mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:	[1]	9,678	10,519
Recurring | Residential mortgage-backed securities | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:	[1]	0	0
Recurring | Residential mortgage-backed securities | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:	[1]	9,678	10,519
Recurring | Residential mortgage-backed securities | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:	[1]	0	0
Recurring | Commercial mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:	[1]	4,674	4,745
Recurring | Commercial mortgage-backed securities | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:	[1]	0	0
Recurring | Commercial mortgage-backed securities | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:	[1]	4,674	4,745
Recurring | Commercial mortgage-backed securities | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale:	[1]	$ 0	$ 0
[1] Issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.

Fair Value Measurements (Change

Fair Value Measurements (Changes In Level 3 Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - Other financial derivative liabilities - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at Beginning of Period		$ (12)	$ (12)	$ (12)	$ (12)
Realized Gains (Losses) (Pretax) Recorded in Earnings	[1]	6	0	6	0
Unrealized Gains (Losses) (Pretax) Recorded in Earnings	[1]	0	(2)	0	(2)
Balance at End of Period		$ (6)	$ (14)	$ (6)	$ (14)
[1] Realized and unrealized gains and losses due to changes in fair value are recorded in other noninterest income on the Consolidated Statements of Comprehensive Income.

Fair Value Measurements (Asse_2

Fair Value Measurements (Assets And Liabilities Recorded At Fair Value On A Nonrecurring Basis) (Details) - Nonrecurring - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liabilities recorded at fair value	$ 0	$ 0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loans	82	44
Loans held-for-sale	217	231
Other real estate	7	5
Total assets at fair value	306	280
Commercial borrower | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loans	21	12
Commercial borrower | Level 3 | International
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loans	7	16
Commercial borrower | Commercial mortgage | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loans	46	$ 16
Commercial borrower | Residential mortgage | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loans	$ 8

Fair Value Measurements (Estima

Fair Value Measurements (Estimated Fair Values Of Financial Instruments Not Recorded At Fair Value In Their Entirety On A Recurring Basis) (Details) - USD ($) $ in Millions		Jun. 30, 2024	Dec. 31, 2023
Cash and due from banks		$ 719	$ 1,443
Interest-bearing deposits with banks		4,093	8,059
Total deposits		62,459	66,762
Medium- and long-term debt		7,112	6,206
Loans recorded at fair value		51,164	51,425
Carrying Amount
Cash and due from banks		719	1,443
Interest-bearing deposits with banks		4,093	8,059
Other short-term investments		21	24
Total loans	[1]	51,164	51,425
Demand Deposit Accounts		55,785	58,476
Time Deposits		6,674	8,286
Total deposits		62,459	66,762
Medium- and long-term debt		7,112	6,206
Short-term borrowings		1,250	3,565
Credit-related financial instruments		(63)	(72)
Estimated Fair Value
Cash and due from banks		719	1,443
Interest-bearing deposits with banks		4,093	8,059
Other short-term investments		21	24
Total loans	[1]	50,412	50,633
Demand Deposit Accounts		55,785	58,476
Time Deposits		6,682	8,391
Total deposits		62,467	66,867
Medium- and long-term debt		7,190	6,207
Short-term borrowings		1,250	3,565
Credit-related financial instruments		(63)	(72)
Level 1 | Estimated Fair Value
Cash and due from banks		719	1,443
Interest-bearing deposits with banks		4,093	8,059
Other short-term investments		21	24
Total loans	[1]	0	0
Demand Deposit Accounts		0	0
Time Deposits		0	0
Total deposits		0	0
Medium- and long-term debt		0	0
Short-term borrowings		1,250	3,565
Credit-related financial instruments		0	0
Level 2 | Estimated Fair Value
Cash and due from banks		0	0
Interest-bearing deposits with banks		0	0
Other short-term investments		0	0
Total loans	[1]	0	0
Demand Deposit Accounts		55,785	58,476
Time Deposits		6,682	8,391
Total deposits		62,467	66,867
Medium- and long-term debt		7,190	6,207
Short-term borrowings		0	0
Credit-related financial instruments		0	0
Level 3 | Estimated Fair Value
Cash and due from banks		0	0
Interest-bearing deposits with banks		0	0
Other short-term investments		0	0
Total loans	[1]	50,412	50,633
Demand Deposit Accounts		0	0
Time Deposits		0	0
Total deposits		0	0
Medium- and long-term debt		0	0
Short-term borrowings		0	0
Credit-related financial instruments		(63)	(72)
Nonrecurring
Loans recorded at fair value		82	44
Nonrecurring | Level 3
Total loans		$ 82	$ 44
[1] Included $82 million and $44 million of loans recorded at fair value on a nonrecurring basis at June 30, 2024 and December 31, 2023, respectively.

Investment Securities (Summary

Investment Securities (Summary Of Investment Securities) (Details) - USD ($) $ in Millions		Jun. 30, 2024	Dec. 31, 2023
Schedule of Investments [Line Items]
Amortized Cost		$ 18,610	$ 19,541
Gross Unrealized Gains		0	0
Gross Unrealized Losses		2,954	2,672
Fair Value		15,656	16,869
U.S. Treasury securities
Schedule of Investments [Line Items]
Amortized Cost		1,354	1,681
Gross Unrealized Gains		0	0
Gross Unrealized Losses		50	76
Fair Value		1,304	1,605
Residential mortgage-backed securities
Schedule of Investments [Line Items]
Amortized Cost	[1]	12,005	12,607
Gross Unrealized Gains	[1]	0	0
Gross Unrealized Losses	[1]	2,327	2,088
Fair Value	[1]	9,678	10,519
Commercial mortgage-backed securities
Schedule of Investments [Line Items]
Amortized Cost	[1]	5,251	5,253
Gross Unrealized Gains	[1]	0	0
Gross Unrealized Losses	[1]	577	508
Fair Value	[1]	$ 4,674	$ 4,745
[1] Issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.

Investment Securities (Summar_2

Investment Securities (Summary Of Investment Securities In Unrealized Loss Positions) (Details)		Jun. 30, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Schedule of Investments [Line Items]
Less than 12 months, Fair Value		$ 37,000,000	$ 10,000,000
Less than 12 Months, Unrealized Losses		0	0
12 months or more, Fair Value		15,618,000,000	16,857,000,000
12 Months or more, Unrealized Losses		2,954,000,000	2,672,000,000
Total, Fair Value		15,655,000,000	16,867,000,000
Total, Unrealized Losses		$ 2,954,000,000	$ 2,672,000,000
Securities with no credit impairment in unrealized loss position		1,215	1,250
U.S. Treasury securities
Schedule of Investments [Line Items]
Less than 12 months, Fair Value		$ 35,000,000	$ 0
Less than 12 Months, Unrealized Losses		0	0
12 months or more, Fair Value		1,269,000,000	1,605,000,000
12 Months or more, Unrealized Losses		50,000,000	76,000,000
Total, Fair Value		1,304,000,000	1,605,000,000
Total, Unrealized Losses		$ 50,000,000	$ 76,000,000
Securities with no credit impairment in unrealized loss position | security		16	19
Residential mortgage-backed securities
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	[1]	$ 2,000,000	$ 10,000,000
Less than 12 Months, Unrealized Losses	[1]	0	0
12 months or more, Fair Value	[1]	9,675,000,000	10,507,000,000
12 Months or more, Unrealized Losses	[1]	2,327,000,000	2,088,000,000
Total, Fair Value	[1]	9,677,000,000	10,517,000,000
Total, Unrealized Losses	[1]	$ 2,327,000,000	$ 2,088,000,000
Securities with no credit impairment in unrealized loss position | security	[1]	947	978
Commercial mortgage-backed securities
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	[1]	$ 0	$ 0
Less than 12 Months, Unrealized Losses	[1]	0	0
12 months or more, Fair Value	[1]	4,674,000,000	4,745,000,000
12 Months or more, Unrealized Losses	[1]	577,000,000	508,000,000
Total, Fair Value	[1]	4,674,000,000	4,745,000,000
Total, Unrealized Losses	[1]	$ 577,000,000	$ 508,000,000
Securities with no credit impairment in unrealized loss position | security	[1]	252	253
[1] Issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored enterprises.

Investment Securities (Narrativ

Investment Securities (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Schedule of Investments [Line Items]
Loan interest receivable	$ 37		$ 37		$ 40
Securities gains and losses	0	$ 0	0	$ 0
Carrying value of securities pledged	7,500		7,500
Pledged to the FHLB as collateral for potential future borrowings	6,200		6,200
Collateral for potential future borrowings	1,300		1,300
Liabilities secured by pledged collateral	$ 378		$ 378

Investment Securities (Contract

Investment Securities (Contractual Maturity Distribution Of Debt Securities) (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Schedule of Investments [Line Items]
Amortized Cost	$ 18,610	$ 19,541
Fair Value	15,656	$ 16,869
Debt securities
Schedule of Investments [Line Items]
Available-for-sale, Within one year, Amortized Cost	893
Available-for-sale, After one year through five years, Amortized Cost	777
Available-for-sale, After five years through ten years, Amortized Cost	5,206
Available-for-sale, After ten years, Amortized Cost	11,734
Amortized Cost	18,610
Available-for-sale, Within one year, Fair Value	869
Available-for-sale, After one year through five years, Fair Value	731
Available-for-sale, After five years through ten years, Fair Value	4,637
Available-for-sale, After ten years, Fair Value	9,419
Fair Value	$ 15,656

Credit Quality And Allowance _3

Credit Quality And Allowance For Credit Losses (Aging Analysis Of Loans) (Details) - USD ($) $ in Millions		Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		$ 201	$ 218
Nonaccrual Loans		226	178
Current Loans		51,423	51,717
Total loans		51,850	52,113
30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		172	161
60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		18	37
90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		11	20
Business loans: | Commercial borrower
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		153	155
Nonaccrual Loans		177	138
Current Loans		47,386	47,636
Total loans		47,716	47,929
Business loans: | Commercial borrower | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		134	109
Business loans: | Commercial borrower | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		11	26
Business loans: | Commercial borrower | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		8	20
Business loans: | Commercial borrower | Domestic
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		82	72
Nonaccrual Loans		94	75
Current Loans		26,937	27,104
Total loans		27,113	27,251
Business loans: | Commercial borrower | Domestic | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		69	48
Business loans: | Commercial borrower | Domestic | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		8	14
Business loans: | Commercial borrower | Domestic | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		5	10
Business loans: | Commercial borrower | International
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		0	1
Nonaccrual Loans		13	20
Current Loans		1,074	1,081
Total loans		1,087	1,102
Business loans: | Commercial borrower | International | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		0	0
Business loans: | Commercial borrower | International | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		0	0
Business loans: | Commercial borrower | International | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		0	1
Business loans: | Commercial borrower | Real estate construction: | Domestic
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		18	3
Nonaccrual Loans		0	2
Current Loans		4,536	5,078
Total loans		4,554	5,083
Business loans: | Commercial borrower | Real estate construction: | Domestic | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		18	3
Business loans: | Commercial borrower | Real estate construction: | Domestic | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		0	0
Business loans: | Commercial borrower | Real estate construction: | Domestic | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		0	0
Business loans: | Commercial borrower | Real estate construction: | Domestic | Commercial
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[1]	0	0
Nonaccrual Loans	[1]	0	0
Current Loans	[1]	4,230	4,570
Total loans	[1]	4,230	4,570
Business loans: | Commercial borrower | Real estate construction: | Domestic | Commercial | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[1]	0	0
Business loans: | Commercial borrower | Real estate construction: | Domestic | Commercial | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[1]	0	0
Business loans: | Commercial borrower | Real estate construction: | Domestic | Commercial | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[1]	0	0
Business loans: | Commercial borrower | Real estate construction: | Domestic | Other business lines
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[2]	18	3
Nonaccrual Loans	[2]	0	2
Current Loans	[2]	306	508
Total loans	[2]	324	513
Business loans: | Commercial borrower | Real estate construction: | Domestic | Other business lines | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[2]	18	3
Business loans: | Commercial borrower | Real estate construction: | Domestic | Other business lines | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[2]	0	0
Business loans: | Commercial borrower | Real estate construction: | Domestic | Other business lines | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[2]	0	0
Business loans: | Commercial borrower | Commercial mortgage: | Domestic
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		48	75
Nonaccrual Loans		69	41
Current Loans		14,039	13,570
Total loans		14,156	13,686
Business loans: | Commercial borrower | Commercial mortgage: | Domestic | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		42	54
Business loans: | Commercial borrower | Commercial mortgage: | Domestic | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		3	12
Business loans: | Commercial borrower | Commercial mortgage: | Domestic | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		3	9
Business loans: | Commercial borrower | Commercial mortgage: | Domestic | Commercial
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[1]	9	5
Nonaccrual Loans	[1]	18	18
Current Loans	[1]	5,339	4,704
Total loans	[1]	5,366	4,727
Business loans: | Commercial borrower | Commercial mortgage: | Domestic | Commercial | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[1]	9	5
Business loans: | Commercial borrower | Commercial mortgage: | Domestic | Commercial | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[1]	0	0
Business loans: | Commercial borrower | Commercial mortgage: | Domestic | Commercial | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[1]	0	0
Business loans: | Commercial borrower | Commercial mortgage: | Domestic | Other business lines
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[2]	39	70
Nonaccrual Loans	[2]	51	23
Current Loans	[2]	8,700	8,866
Total loans	[2]	8,790	8,959
Business loans: | Commercial borrower | Commercial mortgage: | Domestic | Other business lines | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[2]	33	49
Business loans: | Commercial borrower | Commercial mortgage: | Domestic | Other business lines | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[2]	3	12
Business loans: | Commercial borrower | Commercial mortgage: | Domestic | Other business lines | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing	[2]	3	9
Business loans: | Commercial borrower | Lease financing | Domestic
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		5	4
Nonaccrual Loans		1	0
Current Loans		800	803
Total loans		806	807
Business loans: | Commercial borrower | Lease financing | Domestic | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		5	4
Business loans: | Commercial borrower | Lease financing | Domestic | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		0	0
Business loans: | Commercial borrower | Lease financing | Domestic | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		0	0
Retail loans:
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		48	63
Nonaccrual Loans		49	40
Current Loans		4,037	4,081
Total loans		4,134	4,184
Retail loans: | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		38	52
Retail loans: | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		7	11
Retail loans: | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		3	0
Retail loans: | Residential mortgage
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		29	16
Nonaccrual Loans		23	19
Current Loans		1,844	1,854
Total loans		1,896	1,889
Retail loans: | Residential mortgage | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		26	10
Retail loans: | Residential mortgage | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		3	6
Retail loans: | Residential mortgage | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		0	0
Retail loans: | Consumer
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		19	47
Nonaccrual Loans		26	21
Current Loans		2,193	2,227
Total loans		2,238	2,295
Retail loans: | Consumer | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		12	42
Retail loans: | Consumer | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		4	5
Retail loans: | Consumer | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		3	0
Retail loans: | Consumer | Home equity
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		15	16
Nonaccrual Loans		26	21
Current Loans		1,733	1,755
Total loans		1,774	1,792
Retail loans: | Consumer | Home equity | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		11	11
Retail loans: | Consumer | Home equity | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		2	5
Retail loans: | Consumer | Home equity | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		2	0
Retail loans: | Consumer | Other consumer
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		4	31
Nonaccrual Loans		0	0
Current Loans		460	472
Total loans		464	503
Retail loans: | Consumer | Other consumer | 30-59 Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		1	31
Retail loans: | Consumer | Other consumer | 60-89  Days
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		2	0
Retail loans: | Consumer | Other consumer | 90 Days or More
Financing Receivable, Past Due [Line Items]
Loans Past Due and Still Accruing		$ 1	$ 0
[1] Primarily loans to real estate developers. Primarily loans secured by owner-occupied real estate.

Credit Quality And Allowance _4

Credit Quality And Allowance For Credit Losses (Loans By Credit Quality Indicator and Vintage Year) (Details) - USD ($) $ in Millions		6 Months Ended	12 Months Ended
		Jun. 30, 2024	Dec. 31, 2023
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		$ 2,801	$ 6,148
Financing receivable, year two originated, fiscal year before current fiscal year		5,760	9,632
Financing receivable, year three, originated, two years before current fiscal year		8,915	6,790
Financing receivable, year four, originated, three years before current fiscal year		6,052	3,329
Financing receivable, year five, originated, four years before current fiscal year		2,783	2,200
Prior		5,495	4,098
Revolvers		19,954	19,840
Revolvers Converted to Term		90	76
Total loans		51,850	52,113
Business loans: | Commercial
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		2,725	5,869
Financing receivable, year two originated, fiscal year before current fiscal year		5,504	9,298
Financing receivable, year three, originated, two years before current fiscal year		8,594	6,394
Financing receivable, year four, originated, three years before current fiscal year		5,671	2,871
Financing receivable, year five, originated, four years before current fiscal year		2,339	2,065
Prior		4,937	3,662
Revolvers		17,928	17,755
Revolvers Converted to Term		18	15
Total loans		47,716	47,929
Business loans: | Commercial | Domestic
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		1,604	3,190
Financing receivable, year two originated, fiscal year before current fiscal year		2,746	3,182
Financing receivable, year three, originated, two years before current fiscal year		2,504	2,298
Financing receivable, year four, originated, three years before current fiscal year		1,773	635
Financing receivable, year five, originated, four years before current fiscal year		541	669
Prior		1,548	1,108
Revolvers		16,379	16,154
Revolvers Converted to Term		18	15
Total loans		27,113	27,251
Total gross charge-offs
Financing receivable, year one originated, gross charge-offs		0	1
Financing receivable, year two originated, gross charge-offs		1	11
Financing receivable, year three originated, gross charge-offs		6	2
Financing receivable, year four originated, gross charge-offs		15	1
Financing receivable, year five originated, gross charge-offs		9	11
Prior		6	12
Revolvers		1	3
Revolvers Converted to Term		1	1
Total		39	42
Business loans: | Commercial | Domestic | Pass
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[1]	1,572	3,105
Financing receivable, year two originated, fiscal year before current fiscal year	[1]	2,661	3,013
Financing receivable, year three, originated, two years before current fiscal year	[1]	2,307	2,072
Financing receivable, year four, originated, three years before current fiscal year	[1]	1,578	593
Financing receivable, year five, originated, four years before current fiscal year	[1]	505	610
Prior	[1]	1,457	1,033
Revolvers	[1]	15,690	15,394
Revolvers Converted to Term	[1]	13	13
Total loans	[1]	25,783	25,833
Business loans: | Commercial | Domestic | Criticized
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[2]	32	85
Financing receivable, year two originated, fiscal year before current fiscal year	[2]	85	169
Financing receivable, year three, originated, two years before current fiscal year	[2]	197	226
Financing receivable, year four, originated, three years before current fiscal year	[2]	195	42
Financing receivable, year five, originated, four years before current fiscal year	[2]	36	59
Prior	[2]	91	75
Revolvers	[2]	689	760
Revolvers Converted to Term	[2]	5	2
Total loans	[2]	1,330	1,418
Business loans: | Commercial | International
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		221	301
Financing receivable, year two originated, fiscal year before current fiscal year		112	170
Financing receivable, year three, originated, two years before current fiscal year		142	96
Financing receivable, year four, originated, three years before current fiscal year		76	35
Financing receivable, year five, originated, four years before current fiscal year		29	76
Prior		33	8
Revolvers		474	416
Revolvers Converted to Term		0	0
Total loans		1,087	1,102
Total gross charge-offs
Financing receivable, year one originated, gross charge-offs			12
Financing receivable, year two originated, gross charge-offs			0
Financing receivable, year three originated, gross charge-offs			0
Financing receivable, year four originated, gross charge-offs			0
Financing receivable, year five originated, gross charge-offs			0
Prior			1
Revolvers			0
Revolvers Converted to Term			0
Total			13
Business loans: | Commercial | International | Pass
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[1]	219	286
Financing receivable, year two originated, fiscal year before current fiscal year	[1]	105	168
Financing receivable, year three, originated, two years before current fiscal year	[1]	140	89
Financing receivable, year four, originated, three years before current fiscal year	[1]	68	35
Financing receivable, year five, originated, four years before current fiscal year	[1]	29	76
Prior	[1]	29	2
Revolvers	[1]	471	415
Revolvers Converted to Term	[1]	0	0
Total loans	[1]	1,061	1,071
Business loans: | Commercial | International | Criticized
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[2]	2	15
Financing receivable, year two originated, fiscal year before current fiscal year	[2]	7	2
Financing receivable, year three, originated, two years before current fiscal year	[2]	2	7
Financing receivable, year four, originated, three years before current fiscal year	[2]	8	0
Financing receivable, year five, originated, four years before current fiscal year	[2]	0	0
Prior	[2]	4	6
Revolvers	[2]	3	1
Revolvers Converted to Term	[2]	0	0
Total loans	[2]	26	31
Business loans: | Commercial | Real estate construction | Domestic
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		74	505
Financing receivable, year two originated, fiscal year before current fiscal year		623	2,258
Financing receivable, year three, originated, two years before current fiscal year		2,159	1,615
Financing receivable, year four, originated, three years before current fiscal year		1,238	331
Financing receivable, year five, originated, four years before current fiscal year		138	50
Prior		50	36
Revolvers		272	288
Revolvers Converted to Term		0	0
Total loans		4,554	5,083
Business loans: | Commercial | Real estate construction | Domestic | Pass
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[1]	74	503
Financing receivable, year two originated, fiscal year before current fiscal year	[1]	623	2,205
Financing receivable, year three, originated, two years before current fiscal year	[1]	2,124	1,581
Financing receivable, year four, originated, three years before current fiscal year	[1]	1,238	329
Financing receivable, year five, originated, four years before current fiscal year	[1]	138	43
Prior	[1]	50	36
Revolvers	[1]	272	288
Revolvers Converted to Term	[1]	0	0
Total loans	[1]	4,519	4,985
Business loans: | Commercial | Real estate construction | Domestic | Criticized
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[2]	0	2
Financing receivable, year two originated, fiscal year before current fiscal year	[2]	0	53
Financing receivable, year three, originated, two years before current fiscal year	[2]	35	34
Financing receivable, year four, originated, three years before current fiscal year	[2]	0	2
Financing receivable, year five, originated, four years before current fiscal year	[2]	0	7
Prior	[2]	0	0
Revolvers	[2]	0	0
Revolvers Converted to Term	[2]	0	0
Total loans	[2]	35	98
Business loans: | Commercial | Commercial mortgage: | Domestic
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		696	1,695
Financing receivable, year two originated, fiscal year before current fiscal year		1,784	3,361
Financing receivable, year three, originated, two years before current fiscal year		3,597	2,272
Financing receivable, year four, originated, three years before current fiscal year		2,483	1,820
Financing receivable, year five, originated, four years before current fiscal year		1,592	1,229
Prior		3,201	2,412
Revolvers		803	897
Revolvers Converted to Term		0	0
Total loans		14,156	13,686
Total gross charge-offs
Financing receivable, year one originated, gross charge-offs		0	0
Financing receivable, year two originated, gross charge-offs		0	0
Financing receivable, year three originated, gross charge-offs		6	0
Financing receivable, year four originated, gross charge-offs		0	0
Financing receivable, year five originated, gross charge-offs		0	3
Prior		0	1
Revolvers		0	0
Revolvers Converted to Term		0	0
Total		6	4
Business loans: | Commercial | Commercial mortgage: | Domestic | Pass
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[1]	660	1,680
Financing receivable, year two originated, fiscal year before current fiscal year	[1]	1,613	3,129
Financing receivable, year three, originated, two years before current fiscal year	[1]	3,310	2,173
Financing receivable, year four, originated, three years before current fiscal year	[1]	2,407	1,786
Financing receivable, year five, originated, four years before current fiscal year	[1]	1,537	981
Prior	[1]	2,867	2,271
Revolvers	[1]	797	893
Revolvers Converted to Term	[1]	0	0
Total loans	[1]	13,191	12,913
Business loans: | Commercial | Commercial mortgage: | Domestic | Criticized
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[2]	36	15
Financing receivable, year two originated, fiscal year before current fiscal year	[2]	171	232
Financing receivable, year three, originated, two years before current fiscal year	[2]	287	99
Financing receivable, year four, originated, three years before current fiscal year	[2]	76	34
Financing receivable, year five, originated, four years before current fiscal year	[2]	55	248
Prior	[2]	334	141
Revolvers	[2]	6	4
Revolvers Converted to Term	[2]	0	0
Total loans	[2]	965	773
Business loans: | Commercial | Lease financing | Domestic
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		130	178
Financing receivable, year two originated, fiscal year before current fiscal year		239	327
Financing receivable, year three, originated, two years before current fiscal year		192	113
Financing receivable, year four, originated, three years before current fiscal year		101	50
Financing receivable, year five, originated, four years before current fiscal year		39	41
Prior		105	98
Revolvers		0	0
Revolvers Converted to Term		0	0
Total loans		806	807
Total gross charge-offs
Financing receivable, year one originated, gross charge-offs		0
Financing receivable, year two originated, gross charge-offs		0
Financing receivable, year three originated, gross charge-offs		3
Financing receivable, year four originated, gross charge-offs		0
Financing receivable, year five originated, gross charge-offs		0
Prior		0
Revolvers		0
Revolvers Converted to Term		0
Total		3
Business loans: | Commercial | Lease financing | Domestic | Pass
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[1]	129	173
Financing receivable, year two originated, fiscal year before current fiscal year	[1]	234	319
Financing receivable, year three, originated, two years before current fiscal year	[1]	190	110
Financing receivable, year four, originated, three years before current fiscal year	[1]	101	47
Financing receivable, year five, originated, four years before current fiscal year	[1]	36	34
Prior	[1]	100	94
Revolvers	[1]	0	0
Revolvers Converted to Term	[1]	0	0
Total loans	[1]	790	777
Business loans: | Commercial | Lease financing | Domestic | Criticized
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[2]	1	5
Financing receivable, year two originated, fiscal year before current fiscal year	[2]	5	8
Financing receivable, year three, originated, two years before current fiscal year	[2]	2	3
Financing receivable, year four, originated, three years before current fiscal year	[2]	0	3
Financing receivable, year five, originated, four years before current fiscal year	[2]	3	7
Prior	[2]	5	4
Revolvers	[2]	0	0
Revolvers Converted to Term	[2]	0	0
Total loans	[2]	16	30
Retail loans:
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		76	279
Financing receivable, year two originated, fiscal year before current fiscal year		256	334
Financing receivable, year three, originated, two years before current fiscal year		321	396
Financing receivable, year four, originated, three years before current fiscal year		381	458
Financing receivable, year five, originated, four years before current fiscal year		444	135
Prior		558	436
Revolvers		2,026	2,085
Revolvers Converted to Term		72	61
Total loans		4,134	4,184
Retail loans: | Residential mortgage
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		66	256
Financing receivable, year two originated, fiscal year before current fiscal year		244	296
Financing receivable, year three, originated, two years before current fiscal year		288	374
Financing receivable, year four, originated, three years before current fiscal year		364	450
Financing receivable, year five, originated, four years before current fiscal year		436	131
Prior		498	382
Revolvers		0	0
Revolvers Converted to Term		0	0
Total loans		1,896	1,889
Retail loans: | Residential mortgage | Pass
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[1]	63	254
Financing receivable, year two originated, fiscal year before current fiscal year	[1]	244	296
Financing receivable, year three, originated, two years before current fiscal year	[1]	287	373
Financing receivable, year four, originated, three years before current fiscal year	[1]	362	450
Financing receivable, year five, originated, four years before current fiscal year	[1]	436	131
Prior	[1]	478	360
Revolvers	[1]	0	0
Revolvers Converted to Term	[1]	0	0
Total loans	[1]	1,870	1,864
Retail loans: | Residential mortgage | Criticized
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[2]	3	2
Financing receivable, year two originated, fiscal year before current fiscal year	[2]	0	0
Financing receivable, year three, originated, two years before current fiscal year	[2]	1	1
Financing receivable, year four, originated, three years before current fiscal year	[2]	2	0
Financing receivable, year five, originated, four years before current fiscal year	[2]	0	0
Prior	[2]	20	22
Revolvers	[2]	0	0
Revolvers Converted to Term	[2]	0	0
Total loans	[2]	26	25
Retail loans: | Consumer
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		10	23
Financing receivable, year two originated, fiscal year before current fiscal year		12	38
Financing receivable, year three, originated, two years before current fiscal year		33	22
Financing receivable, year four, originated, three years before current fiscal year		17	8
Financing receivable, year five, originated, four years before current fiscal year		8	4
Prior		60	54
Revolvers		2,026	2,085
Revolvers Converted to Term		72	61
Total loans		2,238	2,295
Retail loans: | Consumer | Home equity
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		0	0
Financing receivable, year two originated, fiscal year before current fiscal year		0	0
Financing receivable, year three, originated, two years before current fiscal year		0	0
Financing receivable, year four, originated, three years before current fiscal year		0	0
Financing receivable, year five, originated, four years before current fiscal year		0	0
Prior		7	8
Revolvers		1,695	1,723
Revolvers Converted to Term		72	61
Total loans		1,774	1,792
Total gross charge-offs
Financing receivable, year one originated, gross charge-offs			0
Financing receivable, year two originated, gross charge-offs			0
Financing receivable, year three originated, gross charge-offs			0
Financing receivable, year four originated, gross charge-offs			0
Financing receivable, year five originated, gross charge-offs			0
Prior			0
Revolvers			2
Revolvers Converted to Term			0
Total			2
Retail loans: | Consumer | Home equity | Pass
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[1]	0	0
Financing receivable, year two originated, fiscal year before current fiscal year	[1]	0	0
Financing receivable, year three, originated, two years before current fiscal year	[1]	0	0
Financing receivable, year four, originated, three years before current fiscal year	[1]	0	0
Financing receivable, year five, originated, four years before current fiscal year	[1]	0	0
Prior	[1]	7	8
Revolvers	[1]	1,668	1,695
Revolvers Converted to Term	[1]	69	59
Total loans	[1]	1,744	1,762
Retail loans: | Consumer | Home equity | Criticized
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[2]	0	0
Financing receivable, year two originated, fiscal year before current fiscal year	[2]	0	0
Financing receivable, year three, originated, two years before current fiscal year	[2]	0	0
Financing receivable, year four, originated, three years before current fiscal year	[2]	0	0
Financing receivable, year five, originated, four years before current fiscal year	[2]	0	0
Prior	[2]	0	0
Revolvers	[2]	27	28
Revolvers Converted to Term	[2]	3	2
Total loans	[2]	30	30
Retail loans: | Consumer | Other consumer
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year		10	23
Financing receivable, year two originated, fiscal year before current fiscal year		12	38
Financing receivable, year three, originated, two years before current fiscal year		33	22
Financing receivable, year four, originated, three years before current fiscal year		17	8
Financing receivable, year five, originated, four years before current fiscal year		8	4
Prior		53	46
Revolvers		331	362
Revolvers Converted to Term		0	0
Total loans		464	503
Total gross charge-offs
Financing receivable, year one originated, gross charge-offs		0	0
Financing receivable, year two originated, gross charge-offs		0	0
Financing receivable, year three originated, gross charge-offs		0	0
Financing receivable, year four originated, gross charge-offs		0	0
Financing receivable, year five originated, gross charge-offs		0	1
Prior		1	0
Revolvers		0	0
Revolvers Converted to Term		0	0
Total		1	1
Retail loans: | Consumer | Other consumer | Pass
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[1]	9	23
Financing receivable, year two originated, fiscal year before current fiscal year	[1]	12	38
Financing receivable, year three, originated, two years before current fiscal year	[1]	33	22
Financing receivable, year four, originated, three years before current fiscal year	[1]	17	8
Financing receivable, year five, originated, four years before current fiscal year	[1]	8	4
Prior	[1]	53	46
Revolvers	[1]	330	362
Revolvers Converted to Term	[1]	0	0
Total loans	[1]	462	$ 503
Retail loans: | Consumer | Other consumer | Criticized
Loans by Credit Quality Indicator and Vintage Year
Financing receivable, year one, originated, current fiscal year	[2]	1
Financing receivable, year two originated, fiscal year before current fiscal year	[2]	0
Financing receivable, year three, originated, two years before current fiscal year	[2]	0
Financing receivable, year four, originated, three years before current fiscal year	[2]	0
Financing receivable, year five, originated, four years before current fiscal year	[2]	0
Prior	[2]	0
Revolvers	[2]	1
Revolvers Converted to Term	[2]	0
Total loans	[2]	$ 2
[1] Includes all loans not included in the categories of special mention, substandard or nonaccrual. Includes loans with an internal rating of special mention, substandard loans for which the accrual of interest has not been discontinued and nonaccrual loans. Special mention loans have potential credit weaknesses that deserve management’s close attention, such as loans to borrowers who may be experiencing financial difficulties that may result in deterioration of repayment prospects from the borrower at some future date. Accruing substandard loans have a well-defined weakness, or weaknesses, such as loans to borrowers who may be experiencing losses from operations or inadequate liquidity of a degree and duration that jeopardizes the orderly repayment of the loan. Substandard loans are also distinguished by the distinct possibility of loss in the future if these weaknesses are not corrected. Nonaccrual loans are loans for which the accrual of interest has been discontinued. For further information regarding nonaccrual loans, refer to the Nonperforming Assets subheading in Note 1 - Basis of Presentation and Accounting Policies on page F-52 in the Corporation's 2023 Annual Report. These categories are generally consistent with the "special mention" and "substandard" categories as defined by regulatory authorities. A minority of nonaccrual loans are consistent with the "doubtful" category.

Credit Quality And Allowance _5

Credit Quality And Allowance For Credit Losses (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan interest receivable		$ 274		$ 274		$ 313
Interest income		6	$ 2	8	$ 6
Commitments to lend additional funds to TDR borrowers		$ 0		$ 0		$ 0
Weighted-Average Term Extension (in months)		1 year 11 days	11 months 16 days	1 year 22 days	1 year 1 month 24 days
Business loans:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)		1 year 11 days	11 months 16 days	11 months 27 days	1 year 1 month 24 days
Commercial | Other business lines | Commercial mortgage:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)	[1]				2 years 7 months 28 days
Commercial | Business loans:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)		1 year 1 month 6 days	6 months 18 days	1 year 11 days	9 months 7 days
Commercial | Business loans: | International
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)		7 months 28 days		8 months 19 days
Commercial | Business loans: | Commercial mortgage:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)		7 months 6 days	5 years 4 days	9 months	2 years 5 months 16 days
Commercial | Business loans: | Commercial | Commercial mortgage:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)	[2]				6 months
Commercial | Business loans: | Other business lines | Commercial mortgage:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)	[1]	7 months 6 days	5 years 4 days	9 months
Consumer | Retail loans:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)				9 years 10 months 10 days
Consumer | Retail loans: | Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)				9 years 10 months 10 days
Consumer | Retail loans: | Consumer Loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)				9 years 10 months 10 days
Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Minimum period loan terms were extended		90 days	90 days	90 days	90 days
Subsequent default during period		$ 0		$ 0
Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Minimum period loan terms were extended		90 days	90 days	90 days	90 days
Subsequent default during period		$ 0		$ 0
[1] Primarily loans secured by owner-occupied real estate. Primarily loans to real estate developers.

Credit Quality And Allowance _6

Credit Quality And Allowance For Credit Losses (Changes In The Allowance For Loan Losses And Related Loan Amounts) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 728	$ 693	$ 728	$ 661	$ 661
Provision for credit losses	0	33	14	63
Balance at end of period	$ 717	$ 728	$ 717	$ 728	728
As a percentage of total loans	1.38%	1.31%	1.38%	1.31%
Financing Receivable
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 691	$ 641	$ 688	$ 610	610
Loan charge-offs	(28)	(11)	(49)	(23)
Recoveries on loans previously charged-off	17	13	24	27
Net loan (charge-offs) recoveries	(11)	2	(25)	4
Provision for credit losses	6	41	23	70
Balance at end of period	$ 686	$ 684	$ 686	$ 684	688
As a percentage of total loans	1.32%	1.23%	1.32%	1.23%
Unused Commitments to Extend Credit
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 37	$ 52	$ 40	$ 51	51
Provision for credit losses	(6)	(8)	(9)	(7)
Balance at end of period	31	44	31	44	40
Business loans:
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	654	609	651	581	581
Provision for credit losses	1	36	18	62
Balance at end of period	$ 643	$ 648	$ 643	$ 648	651
As a percentage of total loans	1.35%	1.26%	1.35%	1.26%
Business loans: | Financing Receivable
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 626	$ 570	$ 620	$ 541	541
Loan charge-offs	(28)	(10)	(48)	(21)
Recoveries on loans previously charged-off	16	13	22	26
Net loan (charge-offs) recoveries	(12)	3	(26)	5
Provision for credit losses	6	41	26	68
Balance at end of period	$ 620	$ 614	$ 620	$ 614	620
As a percentage of total loans	1.30%	1.19%	1.30%	1.19%
Business loans: | Unused Commitments to Extend Credit
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 28	$ 39	$ 31	$ 40	40
Provision for credit losses	(5)	(5)	(8)	(6)
Balance at end of period	23	34	23	34	31
Retail loans:
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	74	84	77	80	80
Provision for credit losses	(1)	(3)	(4)	1
Balance at end of period	$ 74	$ 80	$ 74	$ 80	77
As a percentage of total loans	1.79%	1.95%	1.79%	1.95%
Retail loans: | Financing Receivable
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 65	$ 71	$ 68	$ 69	69
Loan charge-offs	0	(1)	(1)	(2)
Recoveries on loans previously charged-off	1	0	2	1
Net loan (charge-offs) recoveries	1	(1)	1	(1)
Provision for credit losses	0	0	(3)	2
Balance at end of period	$ 66	$ 70	$ 66	$ 70	68
As a percentage of total loans	1.59%	1.70%	1.59%	1.70%
Retail loans: | Unused Commitments to Extend Credit
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 9	$ 13	$ 9	$ 11	11
Provision for credit losses	(1)	(3)	(1)	(1)
Balance at end of period	$ 8	$ 10	$ 8	$ 10	$ 9

Credit Quality And Allowance _7

Credit Quality And Allowance For Credit Losses (Nonaccrual Loans) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance		$ 95		$ 95		$ 109
Nonaccrual Loans with Related Allowance		131		131		69
Total Nonaccrual Loans		226		226		178
Interest income		6	$ 2	8	$ 6
Business loans: | Commercial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance		46		46		69
Nonaccrual Loans with Related Allowance		131		131		69
Total Nonaccrual Loans		177		177		138
Business loans: | Commercial | Domestic
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance		35		35		47
Nonaccrual Loans with Related Allowance		59		59		28
Total Nonaccrual Loans		94		94		75
Business loans: | Commercial | International
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance		3		3		3
Nonaccrual Loans with Related Allowance		10		10		17
Total Nonaccrual Loans		13		13		20
Retail loans:
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance		49		49		40
Nonaccrual Loans with Related Allowance		0		0		0
Total Nonaccrual Loans		49		49		40
Retail loans: | Consumer
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance						21
Nonaccrual Loans with Related Allowance						0
Total Nonaccrual Loans		26		26		21
Real estate construction | Business loans: | Commercial | Domestic
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans		0		0		2
Real estate construction | Commercial | Business loans: | Commercial | Domestic
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	[1]	0		0		0
Real estate construction | Other business lines | Business loans: | Commercial | Domestic
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance	[2]					2
Nonaccrual Loans with Related Allowance	[2]					0
Total Nonaccrual Loans	[2]	0		0		2
Commercial mortgage: | Business loans: | Commercial | Domestic
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance		8		8		17
Nonaccrual Loans with Related Allowance		61		61		24
Total Nonaccrual Loans		69		69		41
Commercial mortgage: | Commercial | Business loans: | Commercial | Domestic
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance	[1]	0		0		0
Nonaccrual Loans with Related Allowance	[1]	18		18		18
Total Nonaccrual Loans	[1]	18		18		18
Commercial mortgage: | Other business lines | Business loans: | Commercial | Domestic
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance	[2]	8		8		17
Nonaccrual Loans with Related Allowance	[2]	43		43		6
Total Nonaccrual Loans	[2]	51		51		23
Residential mortgage | Retail loans:
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance		23		23		19
Nonaccrual Loans with Related Allowance		0		0		0
Total Nonaccrual Loans		23		23		19
Home equity | Retail loans: | Consumer
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance		26		26		21
Nonaccrual Loans with Related Allowance		0		0		0
Total Nonaccrual Loans		26		26		21
Other consumer | Retail loans: | Consumer
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans		0		0		0
Lease financing | Business loans: | Commercial | Domestic
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans		1		1		$ 0
Lease financing | Lease financing | Business loans: | Commercial | Domestic
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual Loans with No Related Allowance		0		0
Nonaccrual Loans with Related Allowance		1		1
Total Nonaccrual Loans		$ 1		$ 1
[1] Primarily loans to real estate developers. Primarily loans secured by owner-occupied real estate.

Credit Quality And Allowance _8

Credit Quality And Allowance For Credit Losses (Loan Modifications Made to Borrowers Experiencing Financial Difficulty) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 119	$ 52	$ 193	$ 66
Percent of Total Class		0.23%	0.09%	0.37%	0.12%
Weighted-Average Interest Rate Reduction		(1.31%)	1.92%	(1.34%)	0.67%
Weighted-Average Term Extension (in months)		1 year 11 days	11 months 16 days	1 year 22 days	1 year 1 month 24 days
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[1]	$ 108	$ 27	$ 173	$ 35
Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		8	2	9	2
Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	3	1	11	7
Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	0	22	0	$ 22
Commercial | Commercial mortgage: | Other business lines
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)	[3]				2 years 7 months 28 days
Business loans:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 118	$ 52	$ 190	$ 66
Percent of Total Class		0.25%	0.10%	0.40%	0.13%
Weighted-Average Interest Rate Reduction		(1.03%)	1.92%	(1.06%)	0.67%
Weighted-Average Term Extension (in months)		1 year 11 days	11 months 16 days	11 months 27 days	1 year 1 month 24 days
Business loans: | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[1]	$ 108	$ 27	$ 173	$ 35
Business loans: | Term Extension | International
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[1]	8	0	9	0
Business loans: | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		7	2	7	2
Business loans: | Interest Rate Reduction | International
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		0	0		0
Business loans: | Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	3	1	10	7
Business loans: | Combination | International
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	0	1		1
Business loans: | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	0	22	$ 0	22
Business loans: | Payment Delay | International
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	$ 0	$ 0		$ 0
Business loans: | Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Interest Rate Reduction		(1.03%)	0%	(1.06%)	0.44%
Weighted-Average Term Extension (in months)		1 year 1 month 6 days	6 months 18 days	1 year 11 days	9 months 7 days
Business loans: | Commercial | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 101	$ 47	$ 166	$ 53
Percent of Total Class		0.38%	0.15%	0.61%	0.17%
Business loans: | Commercial | International
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 8	$ 1	$ 9	$ 1
Percent of Total Class		0.71%	0.10%	0.84%	0.10%
Weighted-Average Interest Rate Reduction		0%		0%
Weighted-Average Term Extension (in months)		7 months 28 days		8 months 19 days
Business loans: | Commercial | Commercial mortgage:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Interest Rate Reduction		0%	1.92%	0%	0.71%
Weighted-Average Term Extension (in months)		7 months 6 days	5 years 4 days	9 months	2 years 5 months 16 days
Business loans: | Commercial | Commercial mortgage: | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 9	$ 4	$ 15	$ 12
Percent of Total Class		0.06%	0.03%	0.10%	0.08%
Business loans: | Commercial | Commercial mortgage: | Other business lines
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Interest Rate Reduction	[3]	0%	1.92%	0%	0.71%
Weighted-Average Term Extension (in months)	[3]	7 months 6 days	5 years 4 days	9 months
Business loans: | Commercial | Commercial mortgage: | Other business lines | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[3]	$ 9	$ 4	$ 15	$ 11
Percent of Total Class	[3]	0.10%	0.05%	0.16%	0.11%
Business loans: | Commercial | Commercial mortgage: | Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Interest Rate Reduction	[4]				0%
Weighted-Average Term Extension (in months)	[4]				6 months
Business loans: | Commercial | Commercial mortgage: | Commercial | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[4]				$ 1
Percent of Total Class	[4]				0.02%
Business loans: | Commercial | Term Extension | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[1]	$ 91	$ 25	$ 149	$ 30
Business loans: | Commercial | Term Extension | Commercial mortgage: | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[1]	9	2	15	5
Business loans: | Commercial | Term Extension | Commercial mortgage: | Other business lines | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[1],[3]	9	2	15	4
Business loans: | Commercial | Term Extension | Commercial mortgage: | Commercial | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[1],[4]				1
Business loans: | Commercial | Interest Rate Reduction | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		7	0	7	0
Business loans: | Commercial | Interest Rate Reduction | Commercial mortgage: | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		0	2	0	2
Business loans: | Commercial | Interest Rate Reduction | Commercial mortgage: | Other business lines | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[3]	0	2	0	2
Business loans: | Commercial | Interest Rate Reduction | Commercial mortgage: | Commercial | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[4]				0
Business loans: | Commercial | Combination | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	3	0	10	1
Business loans: | Commercial | Combination | Commercial mortgage: | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	0	0	0	5
Business loans: | Commercial | Combination | Commercial mortgage: | Other business lines | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2],[3]	0	0	0	5
Business loans: | Commercial | Combination | Commercial mortgage: | Commercial | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2],[4]				0
Business loans: | Commercial | Payment Delay | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	0	22	0	22
Business loans: | Commercial | Payment Delay | Commercial mortgage: | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	0	0	0	0
Business loans: | Commercial | Payment Delay | Commercial mortgage: | Other business lines | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2],[3]	0	$ 0	0	0
Business loans: | Commercial | Payment Delay | Commercial mortgage: | Commercial | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2],[4]				$ 0
Retail loans:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 1		$ 3
Percent of Total Class		0.03%		0.08%
Retail loans: | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[1]	$ 0		$ 0
Retail loans: | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		1		2
Retail loans: | Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	0		1
Retail loans: | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	0		0
Retail loans: | Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 1		$ 3
Percent of Total Class		0.05%		0.15%
Weighted-Average Interest Rate Reduction		4.17%		3.54%
Weighted-Average Term Extension (in months)				9 years 10 months 10 days
Retail loans: | Consumer | Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Interest Rate Reduction		(4.17%)		(3.54%)
Weighted-Average Term Extension (in months)				9 years 10 months 10 days
Retail loans: | Consumer | Home equity | Other business lines | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 1		$ 3
Percent of Total Class		0.07%		0.19%
Retail loans: | Consumer | Consumer Loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Interest Rate Reduction		4.17%		3.54%
Weighted-Average Term Extension (in months)				9 years 10 months 10 days
Retail loans: | Consumer | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[1]	$ 0		$ 0
Retail loans: | Consumer | Term Extension | Home equity | Other business lines | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[1]	0		0
Retail loans: | Consumer | Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		1		2
Retail loans: | Consumer | Interest Rate Reduction | Home equity | Other business lines | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		1		2
Retail loans: | Consumer | Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	0		1
Retail loans: | Consumer | Combination | Home equity | Other business lines | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	0		1
Retail loans: | Consumer | Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	0		0
Retail loans: | Consumer | Payment Delay | Home equity | Other business lines | Domestic
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	[2]	$ 0		$ 0
[1] Represents loan balances where terms were extended or payments were delayed by a more than an insignificant time period, typically more than 180 days, at or above contractual interest rates. Relates to FDMs where more than one type of modification was made. For the three- and six-month periods ended June 30, 2024 and 2023, this primarily related to modifications where the interest rate was reduced and the term was extended. Primarily loans secured by owner-occupied real estate. Primarily loans to real estate developers.

Credit Quality And Allowance _9

Credit Quality And Allowance For Credit Losses (Financial Effect of Loan Modifications) (Details)		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)		1 year 11 days	11 months 16 days	1 year 22 days	1 year 1 month 24 days
Weighted-Average Interest Rate Reduction		(1.31%)	1.92%	(1.34%)	0.67%
Business loans:
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)		1 year 11 days	11 months 16 days	11 months 27 days	1 year 1 month 24 days
Weighted-Average Interest Rate Reduction		(1.03%)	1.92%	(1.06%)	0.67%
Business loans: | Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)		1 year 1 month 6 days	6 months 18 days	1 year 11 days	9 months 7 days
Weighted-Average Interest Rate Reduction		(1.03%)	0%	(1.06%)	0.44%
Business loans: | Commercial | International
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)		7 months 28 days		8 months 19 days
Weighted-Average Interest Rate Reduction		0%		0%
Retail loans: | Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)				9 years 10 months 10 days
Weighted-Average Interest Rate Reduction		4.17%		3.54%
Commercial mortgage: | Commercial | Other business lines
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)	[1]				2 years 7 months 28 days
Commercial mortgage: | Business loans: | Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)		7 months 6 days	5 years 4 days	9 months	2 years 5 months 16 days
Weighted-Average Interest Rate Reduction		0%	1.92%	0%	0.71%
Commercial mortgage: | Business loans: | Commercial | Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)	[2]				6 months
Weighted-Average Interest Rate Reduction	[2]				0%
Commercial mortgage: | Business loans: | Commercial | Other business lines
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)	[1]	7 months 6 days	5 years 4 days	9 months
Weighted-Average Interest Rate Reduction	[1]	0%	1.92%	0%	0.71%
Home equity | Retail loans: | Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)				9 years 10 months 10 days
Weighted-Average Interest Rate Reduction		(4.17%)		(3.54%)
Consumer Loan | Retail loans: | Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted-Average Term Extension (in months)				9 years 10 months 10 days
Weighted-Average Interest Rate Reduction		4.17%		3.54%
[1] Primarily loans secured by owner-occupied real estate. Primarily loans to real estate developers.

Derivative And Credit-Related_3

Derivative And Credit-Related Financial Instruments (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Credit Derivatives [Line Items]
Cash received as collateral for derivative assets	$ 86				$ 86
Fair value of securities pledged as collateral for derivative assets	84				84
Cash posted as collateral for derivative liabilities	5				5
Net cash flow hedge income (loss) included in interest and fees on loans	(174)			$ (150)	(344)	$ (269)
De-designated Interest swaps					7,000
Total Impact to risk management hedging income					(130)
Impact to risk management hedging income		$ (39)	$ (91)
Amoritized Off Market Element	49	41
Net Benefit of Swaps	(3)	3
Gain/Loss on cash flow hedge de-designation	2	27
Price alignment income	17			7	30	15
Net gain (loss) on open foreign currency positions				(1)		(1)
Allowance for credit losses on lending-related commitments	31		40		31
Allowance for credit losses on lending-related commitments, amount related to unused commitments to extend credit	30		38		30
Risk participation agreements covering standby and commercial letters of credit	75		85		75
Standby and commercial letters of credit	3,800		3,600		3,800
Carrying value of standby and commercial letters of credit included in accrued expenses and other liabilities	33		34		33
Deferred fees on standby and commercial letters of credit included in accrued expenses and other liabilities	32		32		32
Allowance for credit losses on lending-related commitments, amount related to standby and commercial letters of credit	1		2		1
Notional amount of derivative credit risk participation agreements	1,000				$ 1,000
Maximum estimated exposure to credit risk participation agreements assuming 100% default			2
Weighted average remaining maturity of credit risk participation agreements (in years)					4 years 1 month 6 days
Amortized - probable cashflows in OCI	(52)	$ (52)
Noninterest income	291			$ 303	$ 527	$ 585
Recurring
Credit Derivatives [Line Items]
Fair value of derivative liability	1,176		1,322		1,176
Level 3 | Recurring
Credit Derivatives [Line Items]
Fair value of derivative liability	6		12		6
Level 3 | Recurring | Other financial derivative liabilities
Credit Derivatives [Line Items]
Fair value of derivative liability	$ 6		$ 12		$ 6

Derivative And Credit-Related_4

Derivative And Credit-Related Financial Instruments (Schedule Of Derivative Instruments) (Details) - USD ($) $ in Millions		Jun. 30, 2024		Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	$ 72,768		$ 70,737
Fair Value of Gross Derivative Assets		800		1,019
Fair Value of Gross Derivative Liabilities		1,060		1,206
Derivative asset, Netting adjustment - Offsetting derivative assets		(283)		(311)
Derivative liabilities, Netting adjustment - Offsetting derivative assets		(283)		(311)
Derivative assets, Netting adjustment - Cash collateral received		(85)		(143)
Derivative liabilities, Netting adjustment, Cash collateral posted		(3)		(13)
Net derivative assets included in the Consolidated Balance Sheets	[2]	432		565
Net derivative liabilities included in the Consolidated Balance Sheets	[2]	774		882
Derivative asset, securities pledged as collateral		(287)		(501)
Derivative liability, securities pledged as collateral		(78)		(4)
Net derivative assets after deducting amounts not offset in the Consolidated Balance Sheets		145		64
Net derivative liabilities after deducting amounts not offset in the Consolidated Balance Sheets		696		878
Credit valuation adjustments for counterparty credit risk		2
Risk management purposes
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	32,087		31,710
Fair Value of Gross Derivative Assets		1		1
Fair Value of Gross Derivative Liabilities		48		11
Risk management purposes | Derivatives designated as hedging instruments | Fair value swaps - receive fixed/pay floating | Swaps
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	7,300		6,300
Fair Value of Gross Derivative Assets		0		0
Fair Value of Gross Derivative Liabilities		3		0
Risk management purposes | Derivatives designated as hedging instruments | Cash flow swaps - receive fixed/pay floating | Swaps
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	24,150		24,850
Fair Value of Gross Derivative Assets		0		0
Fair Value of Gross Derivative Liabilities		45		8
Risk management purposes | Derivatives designated as hedging instruments | Cash flow swaps - receive fixed/pay floating | Forward Starting Swap
Derivatives, Fair Value [Line Items]
Notional/Contract Amount		750	[3]	2,000
Risk management purposes | Derivatives used as economic hedges | Spot, forwards and swaps
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	637		560
Fair Value of Gross Derivative Assets		1		1
Fair Value of Gross Derivative Liabilities		0		3
Customer-initiated and other activities
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	40,681		39,027
Fair Value of Gross Derivative Assets		799		1,018
Fair Value of Gross Derivative Liabilities		1,012		1,195
Customer-initiated and other activities | Interest rate contracts
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	22,109		22,470
Fair Value of Gross Derivative Assets		203		225
Fair Value of Gross Derivative Liabilities		432		427
Customer-initiated and other activities | Caps and floors written
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	1,607		1,577
Fair Value of Gross Derivative Assets		0		0
Fair Value of Gross Derivative Liabilities		14		18
Customer-initiated and other activities | Caps and floors purchased
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	1,607		1,577
Fair Value of Gross Derivative Assets		14		18
Fair Value of Gross Derivative Liabilities		0		0
Customer-initiated and other activities | Swaps
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	18,895		19,316
Fair Value of Gross Derivative Assets		189		207
Fair Value of Gross Derivative Liabilities		418		409
Customer-initiated and other activities | Energy contracts
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	15,624		13,806
Fair Value of Gross Derivative Assets		565		758
Fair Value of Gross Derivative Liabilities		558		736
Customer-initiated and other activities | Caps and floors written
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	4,161		3,719
Fair Value of Gross Derivative Assets		2		3
Fair Value of Gross Derivative Liabilities		243		291
Customer-initiated and other activities | Caps and floors purchased
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	4,161		3,719
Fair Value of Gross Derivative Assets		229		292
Fair Value of Gross Derivative Liabilities		2		3
Customer-initiated and other activities | Swaps
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	7,302		6,368
Fair Value of Gross Derivative Assets		334		463
Fair Value of Gross Derivative Liabilities		313		442
Customer-initiated and other activities | Spot, forwards, options and swaps
Derivatives, Fair Value [Line Items]
Notional/Contract Amount	[1]	2,948		2,751
Fair Value of Gross Derivative Assets		31		35
Fair Value of Gross Derivative Liabilities		$ 22		$ 32
[1] Notional or contractual amounts, which represent the extent of involvement in the derivatives market, are used to determine the contractual cash flows required in accordance with the terms of the agreement. These amounts are typically not exchanged, significantly exceed amounts subject to credit or market risk and are not reflected in the Consolidated Balance Sheets. Net derivative assets are included in accrued income and other assets and net derivative liabilities are included in accrued expenses and other liabilities on the Consolidated Balance Sheets. Included in the fair value of net derivative assets and net derivative liabilities are credit valuation adjustments reflecting counterparty credit risk and credit risk of the Corporation. The fair value of net derivative assets included credit valuation adjustments for counterparty credit risk of $2 million and $3 million at June 30, 2024 and December 31, 2023, respectively. June 30, 2024 included $750 million of forward starting swaps that will become effective on their contractual start dates in 2024.

Derivative and Credit-Related_5

Derivative and Credit-Related Financial Instruments (Schedule of the Effects of Fair Value Hedging on the Consolidated Statements of Comprehensive Income (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Effects of fair value hedging on the Consolidated Statements o Comprehensive Income [Line Items]
Total interest on medium- and long-term debt	[1]	$ 124	$ 110	$ 241	$ 167
Swaps - fair value - receive fixed/pay floating | Risk management purposes | Interest rate swap
Effects of fair value hedging on the Consolidated Statements o Comprehensive Income [Line Items]
Hedged items		87	79	168	120
Derivatives designated as hedging instruments		$ 37	$ 31	$ 73	$ 47
[1]Includes the effects of hedging.

Derivative And Credit-Related_6

Derivative And Credit-Related Financial Instruments (Schedule Of Weighted Average Maturity And Interest Rates On Risk Management Cash Flow Swaps) (Details) - USD ($) $ in Millions		Jun. 30, 2024		Dec. 31, 2023
Schedule of Weighted Average Maturity And Interest Rates On Risk Management Cash Flow Swaps [Line Items]
Notional/contract amount	[1]	$ 72,768		$ 70,737
Risk management purposes
Schedule of Weighted Average Maturity And Interest Rates On Risk Management Cash Flow Swaps [Line Items]
Notional/contract amount	[1]	32,087		31,710
Swaps - cash flow - receive fixed/pay floating rate | Risk management purposes | Forward Starting Swap | Derivatives designated as hedging instruments
Schedule of Weighted Average Maturity And Interest Rates On Risk Management Cash Flow Swaps [Line Items]
Notional/contract amount		$ 750	[2]	$ 2,000
Variable rate loans | Swaps - cash flow - receive fixed/pay floating rate | Risk management purposes | Cash flow swap
Schedule of Weighted Average Maturity And Interest Rates On Risk Management Cash Flow Swaps [Line Items]
Receive rate	[3]	2.50%		2.43%
Pay rate	[3],[4]	5.36%		5.38%
[1] Notional or contractual amounts, which represent the extent of involvement in the derivatives market, are used to determine the contractual cash flows required in accordance with the terms of the agreement. These amounts are typically not exchanged, significantly exceed amounts subject to credit or market risk and are not reflected in the Consolidated Balance Sheets. June 30, 2024 included $750 million of forward starting swaps that will become effective on their contractual start dates in 2024. Excludes forward starting swaps not effective as of the period shown. June 30, 2024 excluded $750 million of forward starting swaps. December 31, 2023 excluded $2.0 billion of forward starting swaps. Variable rates paid on receive fixed swaps designated as cash flow hedges are based on BSBY or Secured Overnight Financing Rate (SOFR) rates in effect at June 30, 2024 and December 31, 2023.

Derivative And Credit-Related_7

Derivative And Credit-Related Financial Instruments (Schedule Of Weighted Average Maturity And Interest Rates On Risk Management Fair Value Swaps) (Details) - USD ($) $ in Millions		6 Months Ended	9 Months Ended
		Jun. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Schedule of Weighted Average Maturity And Interest Rates On Risk Management Interest Rate Swaps [Line Items]
Notional/contract amount	[1]	$ 72,768		$ 70,737
Risk management purposes
Schedule of Weighted Average Maturity And Interest Rates On Risk Management Interest Rate Swaps [Line Items]
Notional/contract amount	[1]	32,087		31,710
Interest rate swap | Fair value swaps - receive fixed/pay floating | Risk management purposes
Schedule of Weighted Average Maturity And Interest Rates On Risk Management Interest Rate Swaps [Line Items]
Fair value hedge, cumulative increase (decrease)				(93)
Discounted fair value hedge, cumulative increase (decrease)		2		3
Interest rate swap | Fair value swaps - receive fixed/pay floating | Risk management purposes | Long-term Debt
Schedule of Weighted Average Maturity And Interest Rates On Risk Management Interest Rate Swaps [Line Items]
Carrying value of hedged items	[2]	$ 7,112		$ 6,206
Time to maturity (in years)		3 years 6 months	3 years 10 months 24 days
Receive rate	[3]	3.68%		3.67%
Pay rate	[3]	5.65%		5.74%
[1] Notional or contractual amounts, which represent the extent of involvement in the derivatives market, are used to determine the contractual cash flows required in accordance with the terms of the agreement. These amounts are typically not exchanged, significantly exceed amounts subject to credit or market risk and are not reflected in the Consolidated Balance Sheets. Included $(183) million and $(93) million of cumulative hedging adjustments at June 30, 2024 and December 31, 2023, respectively, which included $2 million and $3 million, respectively, of hedging adjustment on a discontinued hedging relationship. Floating rates paid on receive fixed swaps designated as fair value hedges are based on SOFR rates in effect at June 30, 2024 and December 31, 2023.

Derivative And Credit-Related_8

Derivative And Credit-Related Financial Instruments (Schedule Of Net Gains Recognized In Income On Customer-Initiated Derivatives) (Details) - Customer-initiated and other activities - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Net derivative gain recognized in income	$ 21	$ 26	$ 40	$ 53
Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Net derivative gain recognized in income	3	7	8	12
Energy contracts
Derivative Instruments, Gain (Loss) [Line Items]
Net derivative gain recognized in income	5	5	8	13
Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Net derivative gain recognized in income	$ 13	$ 14	$ 24	$ 28

Derivative And Credit-Related_9

Derivative And Credit-Related Financial Instruments (Schedule Of Financial Instruments With Off-Balance Sheet Credit Risk) (Details) - Maximum - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Unused Commitments to Extend Credit
Credit Related Financial Instrument [Line Items]
Loss contingency, estimate of possible loss	$ 28,183	$ 31,385
Commercial and other | Unused Commitments to Extend Credit
Credit Related Financial Instrument [Line Items]
Loss contingency, estimate of possible loss	24,130	27,303
Bankcard, revolving credit and home equity loan commitments | Unused Commitments to Extend Credit
Credit Related Financial Instrument [Line Items]
Loss contingency, estimate of possible loss	4,053	4,082
Standby letters of credit
Credit Related Financial Instrument [Line Items]
Loss contingency, estimate of possible loss	3,754	3,586
Commercial letters of credit
Credit Related Financial Instrument [Line Items]
Loss contingency, estimate of possible loss	$ 49	$ 48

Derivative And Credit-Relate_10

Derivative And Credit-Related Financial Instruments (Summary Of Internally Classified Watch List Letters Of Credit) (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Total criticized standby and commercial letters of credit	$ 30	$ 50
As a percentage of total outstanding standby and commercial letters of credit	0.80%	1.40%

Variable Interest Entities (V_3

Variable Interest Entities (VIEs) (Narrative) (Details) - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Jun. 30, 2023
Variable Interest Entity [Line Items]
Unfunded commitments to fund tax credit entities	$ 253,000,000
Amount of financial or other support not contractually required provided by the Corporation to VIEs		$ 0	$ 0
Low Income Housing Tax Credit Entities
Variable Interest Entity [Line Items]
Exposure to loss as a result of involvement with VIEs	549,000,000	549,000,000
Other Tax Credit Entities
Variable Interest Entity [Line Items]
Exposure to loss as a result of involvement with VIEs	$ 1,000,000	$ 1,000,000

Variable Interest Entities (V_4

Variable Interest Entities (VIEs) (Impact Of VIEs On The Consolidated Statements Of Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Provision for income taxes:
Total provision for income taxes	$ 63	$ 83	$ 92	$ 168
Other noninterest income	17	25	40	41
Variable Interest Entity
Provision for income taxes:
Total provision for income taxes	(4)	(4)	(7)	(8)
Low income housing tax credits | Variable Interest Entity
Provision for income taxes:
Amortization of investments	20	17	39	34
Low income housing tax credits and other tax benefits related to tax credit entities	(21)	(16)	(38)	(32)
Other tax benefits related to tax credit entities | Variable Interest Entity
Provision for income taxes:
Low income housing tax credits and other tax benefits related to tax credit entities	$ (3)	$ (5)	$ (8)	$ (10)

Medium- And Long-Term Debt (Sch

Medium- And Long-Term Debt (Schedule Of Medium- And Long-Term Debt) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Medium- and long-term debt	$ 7,112	$ 6,206
Parent company
Debt Instrument [Line Items]
Medium- and long-term notes	1,491	523
Medium- and long-term debt	1,730	764
Subsidiaries
Debt Instrument [Line Items]
Subordinated notes	946	965
Total FHLB advances:	3,937	3,988
Medium- and long-term debt	5,382	5,442
3.80% subordinated notes due 2026 | Parent company
Debt Instrument [Line Items]
Subordinated notes	$ 239	241
Stated interest rate	3.80%
Maturity year	2026
4.00% notes due 2029 | Parent company
Debt Instrument [Line Items]
Medium- and long-term notes	$ 513	523
Stated interest rate	4%
Maturity year	2029
5.982% Notes Due 2030 | Parent company
Debt Instrument [Line Items]
Medium- and long-term notes	$ 978	0
Stated interest rate	5.982%
4.00% subordinated notes due 2025 | Subsidiaries
Debt Instrument [Line Items]
Subordinated notes	$ 339	337
Stated interest rate	4%
Maturity year	2025
7.875% subordinated notes due 2026 | Subsidiaries
Debt Instrument [Line Items]
Subordinated notes	$ 157	162
Stated interest rate	7.875%
5.332 subordinated notes due 2033 | Subsidiaries
Debt Instrument [Line Items]
Subordinated notes	$ 450	466
Stated interest rate	5.332%
Maturity year	2033
2.50% notes due 2024 | Subsidiaries
Debt Instrument [Line Items]
Medium- and long-term notes	$ 499	489
Stated interest rate	2.50%
Maturity year	2024
5.07% advance due 2025 | Subsidiaries
Debt Instrument [Line Items]
Total FHLB advances:	$ 993	995
Stated interest rate	5.07%
Maturity year	2025
4.79% advance due 2026 | Subsidiaries
Debt Instrument [Line Items]
Total FHLB advances:	$ 986	997
Stated interest rate	4.79%
Maturity year	2026
4.49% advance due 2027 | Subsidiaries
Debt Instrument [Line Items]
Total FHLB advances:	$ 982	999
Stated interest rate	4.49%
Maturity year	2027
4.49% advance due 2028 | Subsidiaries
Debt Instrument [Line Items]
Total FHLB advances:	$ 976	$ 997
Stated interest rate	4.49%
Maturity year	2028

Medium- And Long-Term Debt (Nar

Medium- And Long-Term Debt (Narrative) (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Debt Disclosure [Abstract]
Total FHLB borrowings	$ 5,300
Short-term FHLB Advances	(1,300)
Potential future borrowings	12,000
Unamortized debt issuance cost	$ 12	$ 6

Accumulated Other Comprehensi_3

Accumulated Other Comprehensive Loss (Schedule Of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Accumulated net unrealized losses on investment securities:
Balance at beginning of period, net of tax		$ (2,043)	$ (2,319)
Net unrealized holding (losses) gains arising during the period		(282)	97
Less: (Benefit) provision for income taxes		(73)	24
Change in net unrealized losses on investment securities, net of tax		(209)	73
Balance at end of period, net of tax		(2,252)	(2,246)
Accumulated net losses on cash flow hedges:
Balance at beginning of period, net of tax		(605)	(942)
Net cash flow hedge losses arising during the period		(620)	(389)
Less: Benefit for income taxes		(150)	(91)
Change in net cash flow hedge losses arising during the period, net of tax		(470)	(298)
Net cash flow losses included in interest and fees on loans		(329)	(269)
Amortization of unrealized losses related to de-designated derivatives		(15)
Benefit plans, Less: Benefit for income taxes		(83)	(63)
Reclassification adjustment for net cash flow hedge losses included in net income, net of tax		(261)	(206)
Change in net cash flow hedge losses, net of tax		(209)	(92)
Balance at end of period, net of tax	[1]	(814)	(1,034)
Accumulated defined benefit pension and other postretirement plans adjustment:
Balance at beginning of period, net of tax		(400)	(481)
Amortization of actuarial net loss		13	18
Amortization of prior service credit		(10)	(11)
Total amounts recognized in other noninterest expenses		3	7
Less: Provision for income taxes		0	2
Adjustment for amounts recognized as components of net periodic benefit credit during the period, net of tax		3	5
Change in defined benefit pension and other postretirement plans adjustment, net of tax		3	5
Balance at end of period, net of tax		(397)	(476)
Total accumulated other comprehensive loss at end of period, net of tax		(3,463)	$ (3,756)	$ (3,048)
Cash flow hedge loss to be reclassified within 12 months		$ 371
[1] The Corporation expects to reclassify $371 million of losses, net of tax, from accumulated other comprehensive loss to earnings over the next twelve months if interest yield curves and notional amounts remain at June 30, 2024 levels.

Net Income Per Common Share (Ba

Net Income Per Common Share (Basic And Diluted Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net income	$ 206	$ 273	$ 344	$ 597
Income allocated to participating securities	1	2	2	3
Preferred stock dividends	5	5	11	11
Net income attributable to common shares	$ 200	$ 266	$ 331	$ 583
Basic average common shares (in shares)	133	132	133	132
Basic net income per common share (in dollars per share)	$ 1.50	$ 2.02	$ 2.49	$ 4.43
Basic average common shares (in shares)	133	132	133	132
Net effect of the assumed exercise of stock awards (in shares)	1	0	1	0
Diluted average common shares (in shares)	134	132	134	132
Diluted net income per common share (in dollars per share)	$ 1.49	$ 2.01	$ 2.47	$ 4.40

Net Income Per Common Share (An

Net Income Per Common Share (Ant-Dilutive Schedule) (Details) - Stock Options - $ / shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Average outstanding options	1,816	1,816	1,800	1,338
Minimum
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Range of exercise prices	$ 53.96	$ 42.32	$ 53.96	$ 63.15
Maximum
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Range of exercise prices	$ 95.25	$ 95.25	$ 95.25	$ 95.25

Employee Benefit Plans (Net Per

Employee Benefit Plans (Net Periodic Defined Benefit Cost) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Plan Disclosure [Line Items]
Net periodic defined benefit credit			$ (24)	$ (14)
Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 9	$ 7	17	15
Interest cost	21	22	42	43
Expected return on plan assets	(45)	(42)	(90)	(83)
Amortization of prior service credit	(4)	(3)	(7)	(7)
Amortization of net loss	5	8	11	16
Total other components of net benefit credit	(23)	(15)	(44)	(31)
Net periodic defined benefit credit	(14)	(8)	(27)	(16)
Non-Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	1	1
Interest cost	2	2	4	4
Amortization of prior service credit	(1)	(2)	(3)	(4)
Amortization of net loss	1	1	2	2
Total other components of net benefit credit	2	1	3	2
Net periodic defined benefit credit	2	1	4	3
Postretirement Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets	0	0	(1)	(1)
Net periodic defined benefit credit	$ 0	$ 0	$ (1)	$ (1)

Income Taxes And Tax-Related _2

Income Taxes And Tax-Related Items (Income Taxes And Tax-Related Items) (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Income Tax Contingency [Line Items]
Unrecognized tax benefits	$ 7
Tax-related interest and penalties payable	1
Net deferred tax assets	1,100	$ 1,000
Deferred Tax Assets, Other	153
Deferred tax assets, operating loss carryforwards, state and local	2
Deferred tax assets, federal valuation allowance	5
Deferred tax assets, state valuation allowance	$ 1	$ 1
Minimum
Income Tax Contingency [Line Items]
Operating loss carryforwards, expiration date - federal	2028
Operating loss carryforwards, expiration date - state	2028
Maximum
Income Tax Contingency [Line Items]
Operating loss carryforwards, expiration date - federal	2032
Operating loss carryforwards, expiration date - state	2042

Contingent Liabilities (Narrati

Contingent Liabilities (Narrative) (Details) $ in Millions	Jun. 30, 2024 USD ($)
Pending Litigation | Maximum
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss	$ 172

Strategic Lines of Business (Na

Strategic Lines of Business (Narrative) (Details)	6 Months Ended
	Jun. 30, 2024 segment
Segment Reporting [Abstract]
Number of Major Business Segments	3

Strategic Lines of Business (Bu

Strategic Lines of Business (Business Segment Financial Results) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings summary:
Net interest income (expense)		$ 533	$ 621	$ 1,081	$ 1,329
Provision for credit losses		0	33	14	63
Noninterest income		291	303	527	585
Noninterest expenses		555	535	1,158	1,086
Provision (benefit) for income taxes		63	83	92	168
Net income (loss)		206	273	344	597
Net charge-offs		11	(2)	25	(4)
Selected average balances:
Assets		79,207	90,355	81,412	87,761
Loans		51,071	55,368	51,221	54,423
Deposits		$ 63,055	$ 64,332	$ 64,183	$ 66,072
Return on average assets	[1]	1.05%	1.21%	0.85%	1.37%
Efficiency ratio	[2]	67.77%	57.70%	72.24%	56.58%
Commercial Bank
Earnings summary:
Net interest income (expense)		$ 465	$ 504	$ 942	$ 1,045
Provision for credit losses		0	33	16	59
Noninterest income		146	158	293	311
Noninterest expenses		250	248	525	499
Provision (benefit) for income taxes		85	90	142	180
Net income (loss)		276	291	552	618
Net charge-offs		8	(3)	22	(5)
Selected average balances:
Assets		45,843	50,945	46,163	50,132
Loans		43,709	47,813	43,810	46,943
Deposits		$ 31,176	$ 31,030	$ 31,694	$ 33,883
Return on average assets	[1]	2.42%	2.29%	2.41%	2.48%
Efficiency ratio	[2]	40.97%	37.44%	42.53%	36.82%
Retail Bank
Earnings summary:
Net interest income (expense)		$ 203	$ 214	$ 404	$ 436
Provision for credit losses		1	(4)	0	2
Noninterest income		33	29	61	57
Noninterest expenses		177	171	358	336
Provision (benefit) for income taxes		14	18	22	37
Net income (loss)		44	58	85	118
Net charge-offs		2	0	2	0
Selected average balances:
Assets		3,029	2,931	3,028	2,923
Loans		2,322	2,214	2,309	2,209
Deposits		$ 24,590	$ 24,002	$ 24,487	$ 24,576
Return on average assets	[1]	0.71%	0.94%	0.68%	0.95%
Efficiency ratio	[2]	76.15%	69.73%	77.63%	67.54%
Wealth Management
Earnings summary:
Net interest income (expense)		$ 48	$ 51	$ 94	$ 109
Provision for credit losses		(2)	2	(1)	(1)
Noninterest income		78	83	143	156
Noninterest expenses		88	89	185	196
Provision (benefit) for income taxes		10	11	11	17
Net income (loss)		30	32	42	53
Net charge-offs		1	1	1	1
Selected average balances:
Assets		5,299	5,624	5,372	5,486
Loans		5,026	5,341	5,089	5,271
Deposits		$ 3,951	$ 3,942	$ 3,925	$ 4,326
Return on average assets	[1]	2.25%	2.31%	1.56%	1.98%
Efficiency ratio	[2]	70.78%	66.21%	78.32%	73.61%
Finance
Earnings summary:
Net interest income (expense)		$ (220)	$ (173)	$ (437)	$ (306)
Provision for credit losses		0	0	0	0
Noninterest income		33	29	23	52
Noninterest expenses		1	2	4	3
Provision (benefit) for income taxes		(46)	(36)	(87)	(64)
Net income (loss)		(142)	(110)	(331)	(193)
Net charge-offs		0	0	0	0
Selected average balances:
Assets		18,448	20,649	18,752	20,794
Loans		0	0	0	0
Deposits		3,032	4,980	3,786	2,916
Other
Earnings summary:
Net interest income (expense)		37	25	78	45
Provision for credit losses		1	2	(1)	3
Noninterest income		1	4	7	9
Noninterest expenses		39	25	86	52
Provision (benefit) for income taxes		0	0	4	(2)
Net income (loss)		(2)	2	(4)	1
Net charge-offs		0	0	0	0
Selected average balances:
Assets		6,588	10,206	8,097	8,426
Loans		14	0	13	0
Deposits		$ 306	$ 378	$ 291	$ 371
[1] Return on average assets is calculated based on the greater of average assets or average liabilities and attributed equity. Noninterest expenses as a percentage of the sum of net interest income and noninterest income excluding net gains (losses) from securities, a derivative contract tied to the conversion rate of Visa Class B shares and changes in the value of shares obtained through monetization of warrants.

Revenue From Contracts With C_3

Revenue From Contracts With Customers (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		$ 203	$ 211	$ 390	$ 405
Other sources of noninterest income		88	92	137	180
Total noninterest income		291	303	527	585
Commercial Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		96	99	193	195
Other sources of noninterest income		50	59	100	116
Total noninterest income		146	158	293	311
Retail Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		33	28	59	55
Other sources of noninterest income		0	1	2	2
Total noninterest income		33	29	61	57
Wealth Management
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		74	83	138	154
Other sources of noninterest income		4	0	5	2
Total noninterest income		78	83	143	156
Finance & Other
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		0	1	0	1
Other sources of noninterest income		34	32	30	60
Total noninterest income		34	33	30	61
Card fees
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		64	72	130	141
Card fees | Commercial Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		53	59	108	117
Card fees | Retail Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		10	12	20	22
Card fees | Wealth Management
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		1	1	2	2
Card fees | Finance & Other
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		0	0	0	0
Fiduciary income
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		58	62	109	120
Fiduciary income | Commercial Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		1	0	1	0
Fiduciary income | Retail Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		0	0	0	0
Fiduciary income | Wealth Management
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		57	62	108	120
Fiduciary income | Finance & Other
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		0	0	0	0
Service charges on deposit accounts
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		46	47	91	93
Service charges on deposit accounts | Commercial Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		31	32	62	63
Service charges on deposit accounts | Retail Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		14	13	27	27
Service charges on deposit accounts | Wealth Management
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		1	2	2	3
Service charges on deposit accounts | Finance & Other
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		0	0	0	0
Commercial loan servicing fees
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[1]	2	3	4	6
Commercial loan servicing fees | Commercial Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[1]	2	3	4	6
Commercial loan servicing fees | Retail Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[1]	0	0	0	0
Commercial loan servicing fees | Wealth Management
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[1]	0	0	0	0
Commercial loan servicing fees | Finance & Other
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[1]	0	0	0	0
Capital markets income
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[2]	8	4	12	8
Capital markets income | Commercial Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[2]	8	4	12	8
Capital markets income | Retail Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[2]	0	0	0	0
Capital markets income | Wealth Management
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[2]	0	0	0	0
Capital markets income | Finance & Other
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[2]	0	0	0	0
Brokerage fees
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		14	8	24	16
Brokerage fees | Commercial Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		0	0	0	0
Brokerage fees | Retail Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		0	0	0	0
Brokerage fees | Wealth Management
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		14	8	24	16
Brokerage fees | Finance & Other
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers		0	0	0	0
Other noninterest income
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[2]	11	15	20	21
Other noninterest income | Commercial Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[2]	1	1	6	1
Other noninterest income | Retail Bank
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[2]	9	3	12	6
Other noninterest income | Wealth Management
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[2]	1	10	2	13
Other noninterest income | Finance & Other
Segment Reporting, Revenue Reconciling Item
Total revenue from contracts with customers	[2]	$ 0	$ 1	$ 0	$ 1
[1] Included in commercial lending fees on the Consolidated Statements of Comprehensive Income. Excludes derivative, warrant and other miscellaneous income.