Other Liabilities - Schedule of Other Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Other Liabilities Disclosure [Abstract]
Accrued expenses and accounts payable	$ 534	$ 5
Reserve for off-balance sheet credit exposure	75	12
Lease liabilities	385	65
Commitments to fund investments in tax credits	242	43
Fair value of derivative financial instruments	204	0
Accrued interest payable	24	8
Deferred taxes	160	33
Other	364	215
Other liabilities	$ 1,988	$ 381