Consolidated Statements Of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
OPERATING ACTIVITIES
Net income	$ 371	$ 344
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for credit losses	64	14
Provision (benefit) for deferred income taxes	11	(1)
Depreciation and amortization	50	47
Net periodic defined benefit credit	(20)	(24)
Share-based compensation expense	35	36
Net (accretion) amortization of securities	(19)	6
Net gains on sales of foreclosed property and other bank property	(5)	(1)
Accrued income receivable	13	15
Accrued expenses payable	(140)	(181)
Other, net	389	(349)
Net cash provided by (used in) operating activities	749	(94)
INVESTING ACTIVITIES
Maturities and redemptions of investment securities available-for-sale	627	959
Purchases of investment securities available-for-sale	0	(34)
Net change in loans	(699)	217
Proceeds from sales of foreclosed property and other bank property	8	1
Net increase in premises and equipment	(34)	(84)
Purchases of Federal Home Loan Bank stock	(123)	(400)
Redemption of Federal Home Loan Bank stock	82	494
Proceeds from bank-owned life insurance settlements	3	18
Other, net	(1)	0
Net cash (used in) provided by investing activities	(135)	1,171
FINANCING ACTIVITIES
Net change in deposits	(3,700)	(4,247)
Net change in short-term borrowings	2,925	(2,315)
Maturities and redemptions of medium- and long-term debt	(1,000)	0
Issuances and advances of medium- and long-term debt	0	1,000
Cash dividends paid on preferred stock	(11)	(11)
Repurchases of common stock	(151)	0
Stock tendered for payment of withholding taxes, common stock	(13)	13
Cash dividends paid on common stock	(185)	(185)
Issuances of common stock under employee stock plans	6	4
Other, net	(1)	0
Net cash used in financing activities	(2,130)	(5,767)
Net decrease in cash and cash equivalents	(1,516)	(4,690)
Cash and cash equivalents at beginning of period	6,804	9,502
Cash and cash equivalents at end of period	5,288	4,812
Interest paid	735	1,025
Income taxes paid	$ 59	$ 62