CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Activities
Net income	$ 198	$ 236
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for credit losses	(40)	(45)
Deferred income tax expense (benefit)	38	(3)
Depreciation and amortization of premises and equipment	15	16
Amortization of intangible assets	13	14
Net other amortization and accretion	(10)	(14)
Net (increase) decrease in trading securities	514	598
Net (increase) decrease in derivatives	395	322
Stock-based compensation expense	14	10
Securities (gains) losses, net	(6)	0
Net (gains) losses on sale/disposal of fixed assets	0	34
Loans held for sale:
Purchases and originations	(1,511)	(943)
Gross proceeds from settlements and sales	920	683
(Gain) loss due to fair value adjustments and other	13	(35)
Other operating activities, net	141	191
Total adjustments	496	828
Net cash provided by (used in) operating activities	694	1,064
Investing Activities
Proceeds from sales of securities available for sale	0	26
Proceeds from maturities of securities available for sale	408	591
Purchases of securities available for sale	(1,492)	(1,065)
Proceeds from prepayments of securities held to maturity	11	0
Proceeds from sales of premises and equipment	4	1
Purchases of premises and equipment	(10)	(10)
Proceeds from BOLI	6	1
Net (increase) decrease in loans and leases	(134)	(338)
Net (increase) decrease in interest-bearing deposits with banks	1,359	(3,284)
Other investing activities, net	2	6
Net cash provided by (used in) investing activities	154	(4,072)
Common stock:
Stock options exercised	15	12
Cash dividends paid	(82)	(84)
Repurchase of shares	(2)	(62)
Preferred stock:
Preferred stock issuance	494	0
Cash dividends paid - preferred stock - noncontrolling interest	(3)	(3)
Cash dividends paid - preferred stock	(8)	(8)
Net increase (decrease) in deposits	(781)	3,190
Net increase (decrease) in short-term borrowings	(405)	4
Increases (decreases) in term borrowings	1	0
Net cash provided by (used in) financing activities	(771)	3,049
Net increase (decrease) in cash and cash equivalents	77	41
Cash and cash equivalents at beginning of period	1,788	1,648
Cash and cash equivalents at end of period	1,865	1,689
Supplemental Disclosures
Total interest paid	19	39
Total taxes paid	2	2
Total taxes refunded	1	4
Transfer from loans HFS to trading securities	736	498
Transfer from loans to loans HFS	$ 0	$ 3