Consolidated Statements Of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
OPERATING ACTIVITIES
Net income	$ 678	$ 59	[1]
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	(317)	549
Provision (benefit) for deferred income taxes	69	(92)
Depreciation and amortization	51	55
Net periodic defined benefit credit	(41)	(27)
Share-based compensation expense	29	12
Net amortization of securities	16	1
Net change in accrued income receivable	1	43
Net change in accrued expenses payable	31	(64)
Other, net	(514)	208
Net cash provided by operating activities	3	744
INVESTING ACTIVITIES
Maturities and redemptions of investments securities available-for-sale	2,819	1,311
Purchases of investment securities available-for-sale	(3,828)	(1,387)
Net change in loans	2,616	(3,229)
Proceeds from sales of foreclosed property	8	1
Net increase in premises and equipment	(35)	(29)
Purchases of Federal Home Loan Bank stock	0	(51)
Redemptions of Federal Home Loan Bank stock	115	30
Proceeds from bank-owned life insurance settlements	6	10
Other, net	(12)	0
Net cash provided by (used in) investing activities	1,689	(3,344)
FINANCING ACTIVITIES
Net change in deposits	2,481	10,327
Net change in short-term borrowings	0	681
Maturities and redemptions of medium- and long-term debt	(2,800)	(925)
Issuance of preferred stock	0	395
Preferred stock cash dividends paid	(11)	0
Repurchases of common stock	(459)	(199)
Cash dividends paid on common stock	(190)	(191)
Issuances of common stock under employee stock plans	18	5
Other, net	3	0
Net cash (used in) provided by financing activities	(958)	10,093
Net increase in cash and cash equivalents	734	7,493
Cash and cash equivalents at beginning of period	15,767	5,818
Cash and cash equivalents at end of period	16,501	13,311
Interest paid	30	152
Income taxes paid	$ 96	$ 77

[1] See Defined Benefit Pension and Other Postretirement Costs in Note 1.