Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
OPERATING ACTIVITIES
Net income	$ 10,200	$ 526
Adjustments to reconcile net income to cash provided by operating activities:
Provision for credit losses	934	506
Deferred tax (benefit) expense	(404)	14
Depreciation, amortization, and accretion, net	90	263
Stock based compensation expense	3	14
Realized loss on sale of investment securities available for sale, net	14	0
Fair value adjustment on marketable equity securities, net	19	3
Loss (gain) on sale of loans, net	1	(6)
Gain on sale of operating lease equipment, net	(8)	(11)
Gain on sale of premises and equipment, net	0	(4)
Gain on other real estate owned, net	(2)	(6)
Gain on acquisition	(9,879)	(431)
Gain on extinguishment of debt	0	(6)
Origination of loans held for sale	(286)	(342)
Proceeds from sale of loans held for sale	227	386
Net change in other assets	(70)	358
Net change in other liabilities	(274)	(11)
Other operating activities	(11)	(22)
Net cash provided by operating activities	554	1,231
CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease in interest-earning deposits at banks	1,110	5,514
Purchases of investment securities available for sale	(3,095)	(1,284)
Proceeds from maturities of investment securities available for sale	486	676
Proceeds from sales of investment securities available for sale	1	0
Purchases of investment securities held to maturity	(213)	0
Proceeds from maturities of investment securities held to maturity	307	526
Net increase in securities purchased under agreements resell	(298)	0
Net decrease (increase) in loans	6,284	(2,153)
Proceeds from sales of loans	263	116
Net decrease (increase) in credit balances of factoring clients	72	(463)
Purchases of operating lease equipment	(586)	(339)
Proceeds from sales of operating lease equipment	76	40
Purchases of premises and equipment	(128)	(39)
Proceeds from sales of premises and equipment	0	12
Proceeds from sales of other real estate owned	10	22
Cash acquired, net of cash paid as consideration for acquisition	879	134
Other investing activities	1,373	(70)
Net cash provided by investing activities	6,541	2,692
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase (decrease) in time deposits	5,466	(1,676)
Net decrease in demand and other interest-bearing deposits	(9,780)	(110)
Net change in securities sold under customer repurchase agreements	9	57
Repayment of short-term borrowings	(2,250)	0
Proceeds from issuance of short-term borrowings	500	0
Repayment of long-term borrowings	(10,573)	(3,542)
Proceeds from issuance of long-term borrowings	9,990	1,652
Cash dividends paid	(52)	(38)
Other financing activities	(7)	(21)
Net cash used in financing activities	(6,697)	(3,678)
Change in cash and due from banks	398	245
Cash and due from banks at beginning of period	518	338
Cash and due from banks at end of period	917	583
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Interest	1,367	209
Income taxes	427	(2)
Significant non-cash investing and financing activities:
Transfers of loans to other real estate	20	2
Transfers of premises and equipment to other real estate	4	12
Dividends declared but not paid	0	1
Transfer of assets from held for investment to held for sale	261	55
Transfer of assets from held for sale to held for investment	11	21
Loans held for sale exchanged for investment securities	0	38
Commitments extended during the period on affordable housing investment credits	40	20
Purchase Money Note as consideration for SVBB Acquisition	35,808	0
Common Stock | Issued for Acquisition
Significant non-cash investing and financing activities:
Issuance of stock	0	5,278
Common Stock | Issued for Stock Based Compensation
Significant non-cash investing and financing activities:
Issuance of stock	0	81
Preferred Stock | Issued for Acquisition
Significant non-cash investing and financing activities:
Issuance of stock	$ 0	$ 541