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Investments - Schedule of Net Gains (Losses) on Investments and Derivatives by Asset Type (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Realized capital gains and losses by asset type |  |
Net gains (losses) on investments and derivatives | $ (164) | $ 14
Fixed income securities |  |
Realized capital gains and losses by asset type |  |
Net gains (losses) on investments and derivatives | (101) | (136)
Equity securities |  |
Realized capital gains and losses by asset type |  |
Net gains (losses) on investments and derivatives | 62 | 167
Limited partnership interests |  |
Realized capital gains and losses by asset type |  |
Net gains (losses) on investments and derivatives | 8 | 22
Derivatives |  |
Realized capital gains and losses by asset type |  |
Net gains (losses) on investments and derivatives | (8) | (52)
Other investments |  |
Realized capital gains and losses by asset type |  |
Net gains (losses) on investments and derivatives | (2) | 13
Other |  |
Realized capital gains and losses by asset type |  |
Net gains (losses) on investments and derivatives | $ (123) | $ 0

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