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Financial Instruments - Gain (Loss) Recognized on Derivatives Not Designated as Hedging Table (Details) - Not designated as hedging instrument - USD ($) $ in Millions | 12 Months Ended
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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.

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