Consolidated Statement of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Activities
Net income	$ 1,694	$ 1,429
Adjustments to reconcile net income to net cash provided (used) by operating activities
Provision for (recapture of) credit losses	235	(208)
Depreciation, amortization and accretion	65	385
Deferred income taxes (benefit)	(30)	61
Changes in fair value of mortgage servicing rights	174	(264)
Net change in
Trading securities and other short-term investments	(385)	(1,024)
Loans held for sale and related securitization activity	(11)	642
Other assets	1,108	(3,024)
Accrued expenses and other liabilities	(1,142)	969
Other	168	45
Net cash provided (used) by operating activities	1,876	(989)
Sales
Securities available for sale	(73)	2,561
Loans	215	268
Repayments/maturities
Securities available for sale	2,293	6,639
Securities held to maturity	1,502	57
Purchases
Securities available for sale	(612)	(15,599)
Securities held to maturity	(1,324)	(1)
Loans	(261)	(807)
Net change in
Federal funds sold and resale agreements	32	(478)
Interest-earning deposits with banks	(6,580)	25,474
Loans	(587)	(5,631)
Other	(317)	224
Net cash provided (used) by investing activities	(5,712)	12,707
Net change in
Noninterest-bearing deposits	(6,462)	(4,350)
Interest-bearing deposits	7,023	(2,704)
Federal funds purchased and repurchase agreements	(94)	16
Short-term Federal Home Loan Bank borrowings	(50)
Other borrowed funds	(74)	471
Sales/issuances
Senior debt	2,743
Other borrowed funds	167	289
Preferred stock	1,484
Common and treasury stock	26	22
Repayments/maturities
Federal Home Loan Bank borrowings	(5)
Senior debt		(3,750)
Subordinated debt	(750)
Other borrowed funds	(141)	(289)
Acquisition of treasury stock	(459)	(1,279)
Preferred stock cash dividends paid	(68)	(45)
Common stock cash dividends paid	(607)	(531)
Net cash provided (used) by financing activities	2,733	(12,150)
Net Increase (Decrease) In Cash And Due From Banks And Restricted Cash	(1,103)	(432)
Cash and due from banks and restricted cash at beginning of period	7,043	8,004
Cash and due from banks and restricted cash at end of period	5,940	7,572
Cash And Due From Banks And Restricted Cash
Cash and due from banks at end of period (unrestricted cash)	5,335	6,971
Restricted cash	605	601
Cash and due from banks and restricted cash at end of period	5,940	7,572
Supplemental Disclosures
Interest paid	1,691	85
Income taxes paid	56	16
Income taxes refunded	3	3
Leased assets obtained in exchange for new operating lease liabilities	45	43
Non-cash Investing And Financing Items
Transfer from securities available for sale to securities held to maturity		20,041
Transfer from loans to loans held for sale, net	106	137
Transfer from loans to foreclosed assets	$ 16	$ 8