Consolidated Statements Of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
OPERATING ACTIVITIES
Net income	$ 597	$ 450
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	63	(1)
Benefit for deferred income taxes	(15)	(23)
Depreciation and amortization	42	46
Net periodic defined benefit credit	(14)	(45)
Share-based compensation expense	35	39
Net amortization of securities	10	18
Net gains on sales of foreclosed property and other repossessed assets	0	(2)
Accrued income receivable	(74)	(42)
Accrued expenses payable	48	(44)
Other, net	(385)	(748)
Net cash provided by (used in) operating activities	307	(352)
INVESTING ACTIVITIES
Maturities and redemptions	1,684	1,454
Purchases	0	(7,141)
Net change in loans	(2,361)	(2,528)
Proceeds from sales of foreclosed property and other repossessed assets	0	2
Net increase in premises and equipment	(54)	(41)
Purchases	(504)	0
Redemptions	79	0
Proceeds from bank-owned life insurance settlements	11	14
Other, net	0	1
Net cash used in investing activities	(1,145)	(8,239)
FINANCING ACTIVITIES
Deposits	(5,366)	(6,346)
Short-term borrowings	6,347	0
Issuances and advances of medium- and long-term debt	4,000	0
Cash dividends paid on preferred stock	(11)	(11)
Repurchases	(16)	(40)
Cash dividends paid	(182)	(178)
Issuances under employee stock plans	7	21
Other, net	0	(1)
Net cash provided by (used in) financing activities	4,779	(6,555)
Net increase (decrease) in cash and cash equivalents	3,941	(15,146)
Cash and cash equivalents at beginning of period	6,282	22,679
Cash and cash equivalents at end of period	10,223	7,533
Interest paid	538	28
Income taxes paid	$ 172	$ 102