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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 | 3 Months Ended | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Net gain (loss) from investment activities |  |  |  |
Derivative |  |  |  |
Gain (loss) on derivatives not designated as hedging instruments recognized in income | $ 140 | $ (105) | $ (114) | $ (738)
Equity contracts |  |  |  |
Derivative |  |  |  |
Gain (loss) on derivatives not designated as hedging instruments recognized in income | 79 | 32 | (132) | (618)
Credit contracts |  |  |  |
Derivative |  |  |  |
Gain (loss) on derivatives not designated as hedging instruments recognized in income | 29 | (63) | 3 | (29)
Commodity contracts |  |  |  |
Derivative |  |  |  |
Gain (loss) on derivatives not designated as hedging instruments recognized in income | $ 32 | $ (74) | $ 15 | $ (91)

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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 4CC -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4CC + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-5 + Details
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