CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating Activities
Net Income	$ 694	$ 46
Adjustments to reconcile net income to net cash provided by operating activities:
(Benefit from) provision for credit losses	(173)	640
Depreciation, amortization and accretion	122	118
Stock-based compensation expense	55	53
Benefit from deferred income taxes	(186)	(3)
Securities losses, net	1	23
MSR fair value adjustment	(71)	378
Net gains on sales of loans and fair value adjustments on loans held for sale	(48)	(91)
Net losses on disposition and impairment of bank premises and equipment	0	3
Net losses (gains) on disposition and impairment of operating lease equipment	23	(6)
Proceeds from sales of loans held for sale	3,557	3,072
Loans originated or purchased for sale, net of repayments	(4,174)	(3,239)
Dividends representing return on equity investments	8	3
Net change in:
Equity and trading debt securities	(155)	(54)
Other assets	265	(192)
Accrued taxes, interest and expenses and other liabilities	(284)	(318)
Net Cash (Used in) Provided by Operating Activities	(366)	433
Proceeds from sales:
AFS securities and other investments	453	800
Loans and leases	155	46
Bank premises and equipment	12	6
Proceeds from repayments / maturities of AFS and HTM securities and other investments	1,341	564
Purchases:
AFS securities and other investments	(3,092)	(2,570)
Bank premises and equipment	(60)	(74)
MSRs	(18)	(26)
Proceeds from settlement of BOLI	11	2
Proceeds from sales and dividends representing return of equity investments	16	4
Net change in:
Other short-term investments	(788)	(4,369)
Portfolio loans and leases	(355)	(8,567)
Operating lease equipment	3	3
Net Cash Used in Investing Activities	(2,322)	(14,181)
Financing Activities
Net change in deposits	3,312	7,999
Net change in other short-term borrowings and federal funds purchased	(82)	4,896
Dividends paid on common and preferred stock	(215)	(190)
Proceeds from issuance of long-term debt	25	1,260
Repayment of long-term debt	(131)	(180)
Repurchases of treasury stock and related forward contract	(180)	0
Other	(66)	(33)
Net Cash Provided by Financing Activities	2,663	13,752
(Decrease) Increase in Cash and Due from Banks	(25)	4
Cash and Due from Banks at Beginning of Period	3,147	3,278
Cash and Due from Banks at End of Period	$ 3,122	$ 3,282