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Derivative Financial Instruments - Schedule of Gains (Losses) from Valuation and Settlements Reported on Derivatives Not Designated as Accounting Hedges (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | $ 32 | $ 30 | $ 26 | $ (10)
Net gains (losses) on investments and derivatives |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 20 | 31 | (3) | (28)
Operating costs and expenses |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 12 | (1) | 29 | 18
Interest rate contracts |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 42 | 5 | 21 | (12)
Interest rate contracts | Net gains (losses) on investments and derivatives |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 42 | 5 | 21 | (12)
Interest rate contracts | Operating costs and expenses |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0 | 0 | 0
Equity and index contracts |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 8 | 0 | 7 | 2
Equity and index contracts | Net gains (losses) on investments and derivatives |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (2) | 10 | (17) | (6)
Equity and index contracts | Operating costs and expenses |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 10 | (10) | 24 | 8
Contingent consideration |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 2 | 9 | 5 | 10
Contingent consideration | Net gains (losses) on investments and derivatives |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0 | 0 | 0
Contingent consideration | Operating costs and expenses |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 2 | 9 | 5 | 10
Foreign currency contracts |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (23) | 17 | (9) | 6
Foreign currency contracts | Net gains (losses) on investments and derivatives |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | (23) | 17 | (9) | 6
Foreign currency contracts | Operating costs and expenses |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 0 | 0 | 0 | 0
Credit default contracts |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 3 | (1) | 2 | (16)
Credit default contracts | Net gains (losses) on investments and derivatives |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | 3 | (1) | 2 | (16)
Credit default contracts | Operating costs and expenses |  |  |  |
Derivative Instruments, Gain (Loss) |  |  |  |
Derivatives not designated as accounting hedging instruments, total gain (loss) recognized in net income on derivatives | $ 0 | $ 0 | $ 0 | $ 0

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