Other Liabilities - Schedule of Other Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Other Liabilities Disclosure [Abstract]
Accrued expenses and accounts payable	$ 313	$ 5
Lease liabilities	352	64
Fair value of derivative financial instruments	486	0
Commitments to fund tax credit investments	295	43
Deferred Income Tax Liabilities, Net	286	33
Reserve for off-balance sheet credit exposure	106	12
Incentive plan liabilities	267	84
Accrued interest payable	57	8
Other	426	132
Total other liabilities	$ 2,588	$ 381