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Derivative Financial Instruments - Schedule of Change in Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Derivative |  |  |  |
Recognized gains (losses) for derivatives | $ 83 | $ (27) | $ (141) | $ 141
Recognized gains (losses) for hedged item | $ 2 | $ 0 | $ 3 | $ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Benefits and other changes in policy reserves | Benefits and other changes in policy reserves | Benefits and other changes in policy reserves | Benefits and other changes in policy reserves
Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | $ 205 | $ (56) | $ 147 | $ 144
Recognized gains (losses) for hedged item | (3) | 0 | (13) | 0
Derivatives designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | (2) | 0 | (3) | 0
Recognized gains (losses) for hedged item | 2 | 0 | 3 | 0
Derivatives designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 3 | 0 | 12 | 0
Recognized gains (losses) for hedged item | (3) | 0 | (13) | 0
Derivatives not designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 85 | (27) | (138) | 141
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Derivatives not designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 202 | (56) | 135 | 144
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Interest rate swaps, included in Accounts payable and accrued liabilities | Derivatives designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 0 | 0 | 0 | 0
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Interest rate swaps, included in Accounts payable and accrued liabilities | Derivatives designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 3 | 0 | 12 | 0
Recognized gains (losses) for hedged item | (3) | 0 | (13) | 0
Interest rate swaps, included in Accounts payable and accrued liabilities | Derivatives not designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 19 | (21) | 69 | (97)
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Interest rate swaps, included in Accounts payable and accrued liabilities | Derivatives not designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 0 | 0 | 0 | 0
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Foreign currency swaps | Derivatives designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | (2) | 0 | (3) | 0
Recognized gains (losses) for hedged item | 2 | 0 | 3 | 0
Foreign currency swaps | Derivatives designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 0 | 0 | 0 | 0
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Foreign currency swaps | Derivatives not designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | (4) | 0 | (4) | 0
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Foreign currency swaps | Derivatives not designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 0 | 0 | 0 | 0
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Equity options | Derivatives not designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 126 | (23) | (108) | 227
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Equity options | Derivatives not designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 0 | 0 | 0 | 0
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Futures contracts | Derivatives not designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 9 | 5 | 14 | 11
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Futures contracts | Derivatives not designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 0 | 0 | 0 | 0
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Other derivative investments | Derivatives not designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | (8) | 2 | (11) | 5
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Other derivative investments | Derivatives not designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 0 | 0 | 0 | 0
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Other embedded derivatives | Derivatives not designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 4 | 0 | 4 | 3
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Other embedded derivatives | Derivatives not designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 0 | 0 | 0 | 0
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Indexed annuities/IUL embedded derivatives increase (decrease) | Derivatives not designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 0 | 0 | 0 | 0
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Indexed annuities/IUL embedded derivatives increase (decrease) | Derivatives not designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 202 | (56) | 135 | 144
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Reinsurance related embedded derivatives | Derivatives not designated as hedging instruments |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | (61) | 10 | (102) | (8)
Recognized gains (losses) for hedged item | 0 | 0 | 0 | 0
Reinsurance related embedded derivatives | Derivatives not designated as hedging instruments | Fair Value Hedging |  |  |  |
Derivative |  |  |  |
Recognized gains (losses) for derivatives | 0 | 0 | 0 | 0
Recognized gains (losses) for hedged item | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 10 -SubTopic 10 -Topic 825 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482881/825-10-55-10 + Details
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- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + 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/2009/role/commonPracticeRef -Topic 815 -SubTopic 20 -Name Accounting Standards Codification -Section 25 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A Reference 2: 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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- Definition Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 182 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480401/815-10-55-182 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
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