Financial Instruments - Gain (Loss) Recognized on Derivatives Not Designated as Hedging Table (Details) - Not designated as hedging instrument - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net gain (loss) from investment activities
Derivative
Gain (loss) on derivatives not designated as hedging instruments recognized in income	[1]	$ (1,016)	$ (131)	$ (1,012)
Equity Contracts
Derivative
Gain (loss) on derivatives not designated as hedging instruments recognized in income	[1]	(903)	456	(1,100)
Credit Contracts
Derivative
Gain (loss) on derivatives not designated as hedging instruments recognized in income	[1]	(87)	(586)	$ 88
Commodity Contracts
Derivative
Gain (loss) on derivatives not designated as hedging instruments recognized in income	[1]	$ (26)	$ (1)

[1] Gains (losses) recognized on derivatives are classified in net (loss) gain from investment activities in our consolidated statements of operations for our Investment segment.