CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating Activities
Net income	$ 236	$ 16
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for credit losses	(45)	154
Deferred income tax expense (benefit)	(3)	(19)
Depreciation and amortization of premises and equipment	16	11
Amortization of intangible assets	14	5
Net other amortization and accretion	(14)	4
Net (increase) decrease in derivatives	322	(324)
Stock-based compensation expense	10	7
Net (gains) losses on sale/disposal of fixed assets	34	0
Loans held for sale:
Purchases and originations	(943)	(588)
Gross proceeds from settlements and sales	683	181
(Gain) loss due to fair value adjustments and other	(35)	(1)
Other operating activities, net	789	(846)
Total adjustments	828	(1,416)
Net cash provided by (used in) operating activities	1,064	(1,400)
Investing Activities
Proceeds from sales of securities available for sale	26	9
Proceeds from maturities of securities available for sale	591	224
Purchases of securities available for sale	(1,065)	(214)
Proceeds from sales of premises and equipment	1	2
Purchases of premises and equipment	(10)	(8)
Proceeds from BOLI	1	2
Net increase in loans and leases	(338)	(2,312)
Net increase in interest-bearing deposits with banks	(3,284)	(188)
Other investing activities, net	6	3
Net cash used in investing activities	(4,072)	(2,482)
Common stock:
Stock options exercised	12	4
Cash dividends paid	(84)	(44)
Repurchase of shares	(62)	(2)
Cancellation of common shares	0	(2)
Cash dividends paid - preferred stock - noncontrolling interest	(3)	(3)
Cash dividends paid - preferred stock	(8)	(2)
Net increase in deposits	3,190	1,990
Net increase in short-term borrowings	4	1,807
Increases (decreases) in restricted and secured term borrowings	0	(3)
Net cash provided by financing activities	3,049	3,745
Net increase (decrease) in cash and cash equivalents	41	(137)
Cash and cash equivalents at beginning of period	1,648	1,267
Cash and cash equivalents at end of period	1,689	1,130
Supplemental Disclosures
Total interest paid	39	84
Total taxes paid	2	5
Total taxes refunded	4	0
Transfer from loans to OREO	0	1
Transfer from loans HFS to trading securities	498	398
Transfer from loans to loans HFS	$ (3)	$ 0