Consolidated Statements of Cash Flows - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income		$ 2,419	$ 326
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Provision for (recovery of) credit losses		219	7
Amortization of intangibles		54	0
Depreciation		18	9
Amortization of discounts and premiums, net		(119)	(2)
Net (gain) loss on securities		1	1
Net (gain) loss on sales of loans		(45)	0
Net gain on sales of fixed assets		0	(2)
Gain on business acquisition		(2,142)	0
Stock-based compensation		20	15
Deferred tax expense		(44)	(15)
Changes in operating assets and liabilities:
Decrease (increase) in other assets		(71)	42
(Decrease) increase in other liabilities		(969)	18
Purchases of securities held for trading		(10)	(35)
Proceeds from sales of securities held for trading		10	35
Change in loans held for sale, net		(911)	0
Net cash (used in) provided by operating activities		(1,570)	399
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from repayment of securities available for sale		1,148	397
Proceeds from sales of securities available for sale		1,341	0
Purchase of securities available for sale		(1,111)	(788)
Redemption of Federal Home Loan Bank stock		967	175
Purchases of Federal Home Loan Bank and Federal Reserve Bank stock		(836)	(76)
Proceeds from bank-owned life insurance, net		24	5
Purchases of loans		0	(144)
Net Proceeds from sales of MSR's		50	0
Other changes in loans, net		(2,433)	(2,650)
(Purchases) dispositions of premises and equipment, net		(53)	11
Cash acquired in business acquisition		25,043	0
Net cash provided by (used in) investing activities		24,140	(3,070)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net (decrease) increase in deposits		(3,809)	6,185
Net decrease in short-term borrowed funds		(2,050)	(1,700)
Proceeds from long-term borrowed funds		500	2,955
Repayments of long-term borrowed funds		(3,374)	(3,510)
Net receipt of payments of loans serviced for others		367	0
Cash dividends paid on common stock		(239)	(158)
Cash dividends paid on preferred stock		(16)	(16)
Treasury stock repurchased		0	(7)
Payments relating to treasury shares received for restricted stock award tax payments		(11)	(12)
Net cash (used in) provided by financing activities		(8,632)	3,737
Net increase in cash, cash equivalents and restricted cash	[1]	13,938	1,066
Beginning cash, cash equivalents and restricted cash	[1]	2,082	2,211
Ending cash, cash equivalents and restricted cash	[1]	16,020	3,277
Supplemental information:
Cash paid for interest		1,043	229
Cash paid for income taxes		17	8
Non-cash investing and financing activities:
Transfers to repossessed assets from loans		1	0
Securitization of loans to mortgage-backed securities available for sale		109	144
Shares issued for restricted stock awards		31	27
Business Combination:
Fair value of tangible assets acquired		37,542	0
Intangible assets		464	0
Liabilities assumed		35,779	0
Issuance of FDIC Equity appreciation instrument		$ 85	$ 0

[1] For further information on restricted cash, see Note 14 - Derivative and Hedging Activities