Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Accounts Payable and Accrued Liabilities [Abstract]
Unfunded commitments for investment in qualified affordable housing projects	$ 861	$ 869
Accounts payable	541	435
Employee compensation and benefits	225	424
Deferred revenue	168	169
Reserves for insurance losses and loss adjustment expenses	133	119	$ 123	$ 122
Operating lease liabilities	130	137
Other liabilities	567	495
Total accrued expenses and other liabilities	$ 2,625	$ 2,648
Operating lease, liability, statement of financial position [Extensible Enumeration]	Total accrued expenses and other liabilities	Total accrued expenses and other liabilities