Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts Payable and Accrued Liabilities [Abstract]
Unfunded commitments for proportional amortization investments	$ 1,019	$ 973
Accounts payable	505	509
Employee compensation and benefits	424	409
Reserves for insurance losses and loss adjustment expenses	189	140	$ 119	$ 122
Deferred revenue	122	103
Operating lease liabilities	111	113
Other liabilities	444	479
Total accrued expenses and other liabilities	$ 2,814	$ 2,726
Operating lease, liability, statement of financial position [Extensible Enumeration]	Total accrued expenses and other liabilities	Total accrued expenses and other liabilities