Variable Interest Entities - Consolidated Variable Interest Entity Asset and Liability Information (Details) $ in Millions	Dec. 31, 2024 USD ($) instrument	Dec. 31, 2023 USD ($) instrument
Disclosure of Variable Interest Entities Assets and Liabilities [Line Items]
Notional Amounts	$ 522
Carrying Value	$ 9,677	$ 6,474
Variable Interest Entity, Primary Beneficiary
Disclosure of Variable Interest Entities Assets and Liabilities [Line Items]
Number of Instruments | instrument	1,000,000	1,000,000
Notional Amounts	$ 522	$ 544
Carrying Value	$ 0	$ 0