Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities
Net Income (Loss)	$ 531	$ 702
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	200	120
Depreciation and amortization of premises and equipment	80	76
Amortization of capitalized servicing rights	35	20
Amortization of core deposit and other intangible assets	15	17
Provision for deferred income taxes	2	11
Asset write-downs	6	1
Net gain on sales of assets	(1)	(12)
Net change in accrued interest receivable, payable	27	55
Net change in other accrued income and expense	(74)	(43)
Net change in loans originated for sale	(352)	(274)
Net change in trading account and other non-hedging derivative assets and liabilities	139	(245)
Net cash provided by operating activities	608	428
Cash flows from investing activities
Proceeds from sales of investment securities available for sale	4
Proceeds from sales of investment securities equity and other	110	521
Proceeds from maturities of investment securities Available for sale	1,989	141
Proceeds from maturities of investment securities Held to maturity	257	281
Purchases of investment securities Available for sale	(4,145)	(337)
Purchases of investment securities Held to maturity		(2,948)
Purchases of investment securities equity and other	(264)	(792)
Net increase in loans and leases	(724)	(1,166)
Net (increase) decrease in interest-bearing deposits at banks	(4,075)	2,652
Capital expenditures, net	(35)	(55)
Net decrease in loan servicing advances	81	207
Other, net	(280)	(251)
Net cash used by investing activities	(7,082)	(1,747)
Cash flows from financing activities
Net increase (decrease) in deposits	3,921	(4,441)
Net increase (decrease) in short-term borrowings	(521)	3,440
Proceeds from long-term borrowings	3,357	3,486
Payments on long-term borrowings	(49)
Purchases of treasury stock		(594)
Dividends paid — common	(221)	(221)
Dividends paid — preferred	(34)	(34)
Other, net	(15)	(19)
Net cash provided by financing activities	6,438	1,617
Net increase (decrease) in cash, cash equivalents and restricted cash	(36)	298
Cash, cash equivalents and restricted cash at beginning of period	1,731	1,520
Cash, cash equivalents and restricted cash at end of period	1,695	1,818
Supplemental disclosure of cash flow information
Interest received during the period	2,716	2,289
Interest paid during the period	999	410
Income taxes paid during the period	41	22
Supplemental schedule of noncash investing and financing activities
Real estate acquired in settlement of loans	19	7
Additions to right-of-use assets under operating leases	$ 19	$ 31