Derivative Financial Instruments - Schedule of Exposure to Credit Loss on Call Options Held (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Fair Value	$ 1,435	$ 977
Not Designated as Hedging Instrument \| Derivative instruments excluding futures contracts
Derivatives, Fair Value [Line Items]
Notional Amount	35,561	29,968
Fair Value	1,393	796
Collateral	1,351	775
Net Credit Risk	$ 53	$ 39

Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets.

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