Parent Company Financial Statements - Schedule of Condensed Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets
Cash and due from banks	$ 518	$ 338
Interest-earning deposits at banks	5,025	9,115
Investment in marketable equity securities	95	98
Other assets	4,369	1,855
Total assets	109,298	58,309
Liabilities
Other liabilities	2,588	381
Total liabilities	99,636	53,571
Stockholders’ equity	9,662	4,738	$ 4,229	$ 3,586
Total liabilities and stockholders’ equity	109,298	58,309
Parent
Assets
Cash and due from banks	119	174
Interest-earning deposits at banks	3	6
Investment in marketable equity securities	93	98
Investment in banking subsidiary	9,935	4,987
Investment in other subsidiaries	34	0
Other assets	48	44
Total assets	10,232	5,309
Liabilities
Subordinated debt	454	453
Borrowings due to banking subsidiary	60	40
Other borrowings	0	68
Other liabilities	56	11
Total liabilities	570	572
Stockholders’ equity	9,662	4,737
Total liabilities and stockholders’ equity	$ 10,232	$ 5,309