CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating Activities
Net income	$ 727	$ 642
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for credit losses	210	50
Deferred income tax expense (benefit)	23	167
Depreciation and amortization of premises and equipment	41	45
Amortization of intangible assets	36	39
Net other amortization and accretion	14	(3)
Net (increase) decrease in trading securities	1,063	1,728
Net (increase) decrease in derivatives	(289)	822
Stock-based compensation expense	21	53
Securities (gains) losses, net	(1)	(18)
Loans held for sale:
Purchases and originations	(1,834)	(3,184)
Gross proceeds from settlements and sales	860	2,050
(Gain) loss due to fair value adjustments and other	32	78
Other operating activities, net	31	(183)
Total adjustments	207	1,644
Net cash provided by operating activities	934	2,286
Investing Activities
Proceeds from maturities of securities available for sale	678	1,080
Purchases of securities available for sale	(228)	(2,457)
Purchases of securities held to maturity	0	(712)
Proceeds from prepayments of securities held to maturity	40	40
Proceeds from sales of premises and equipment	1	17
Purchases of premises and equipment	(23)	(22)
Net (increase) decrease in loans and leases	(3,784)	(2,471)
Net (increase) decrease in interest-bearing deposits with banks	(533)	11,666
Other investing activities, net	16	14
Net cash (used in) provided by investing activities	(3,833)	7,155
Common stock:
Stock options exercised	5	30
Cash dividends paid	(251)	(243)
Repurchase of shares	(10)	(12)
Preferred stock:
Preferred stock issuance	0	494
Cash dividends paid - preferred stock - noncontrolling interest	(12)	(9)
Cash dividends paid - preferred stock	(24)	(24)
Net increase (decrease) in deposits	3,526	(8,880)
Net increase (decrease) in short-term borrowings	1	(707)
Repayment of term borrowing	(450)	0
Increases (decreases) in restricted and secured term borrowings	9	5
Net cash provided by (used in) financing activities	2,794	(9,346)
Net increase (decrease) in cash and cash equivalents	(105)	95
Cash and cash equivalents at beginning of period	1,543	1,788
Cash and cash equivalents at end of period	1,438	1,883
Supplemental Disclosures
Total interest paid	961	127
Total taxes paid	122	11
Total taxes refunded	15	4
Transfer from loans to OREO	3	3
Transfer from loans HFS to trading securities	919	1,548
Preferred stock conversion to common stock	$ 493	$ 0