Other Liabilities - Schedule of Other Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Other Liabilities Disclosure [Abstract]
Accrued expenses and accounts payable	$ 484	$ 5
Lease liabilities	384	64
Fair value of derivative financial instruments	308	1
Commitments to fund tax credit investments	243	43
Deferred taxes	177	33
Reserve for off-balance sheet credit exposure	81	12
Accrued interest payable	27	8
Other	469	215
Other liabilities	$ 2,173	$ 381