Investments in Unconsolidated Subsidiaries and Affiliates - Summary of Investments in Unconsolidated Subsidiaries and Affiliates (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023		Dec. 31, 2022
Equity Method Investments and Joint Ventures [Abstract]
Equity method	$ 403	$ 425		$ 331
Other investments, at carrying value	87	54
Total	$ 490	$ 479	[1]

[1] See Note 23 Immaterial Revision of Prior Period Financial Statements.