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Market Risk Benefits (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Variable Annuities |  |  |  |
Market Risk Benefit [Line Items] |  |  |  |
Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk | $ 8,144 | $ 10,286 | $ 9,701 | $ 9,974
Market Risk Benefit, before Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change | 5,987 | 8,534 | $ 7,326 | $ 8,230
Market Risk Benefit, Decrements | (30) | (28) |  |
Market Risk Benefit, Increase (Decrease) from Actual Policyholder Behavior Different from Expected | 0 | 122 |  |
Market Risk Benefit, Increase (Decrease) from Interest Rate Change | (988) | 880 |  |
Market Risk Benefit, Increase (Decrease) from Equity Market Change | (630) | (1,002) |  |
Market Risk Benefit, Issuance | 0 | (3) |  |
Market Risk Benefit, Effect of changes in risk margin | (39) | 9 |  |
Market Risk Benefit, Aging of the Block and Other | 348 | 326 |  |
AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, before Tax | 2,157 | 1,752 |  |
Market Risk Benefit, Reinsurance Recoverable, after Allowance | 27 | 71 |  |
Market Risk Benefit, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change | $ 8,117 | $ 10,215 |  |
Market Risk Benefit, Weighted-Average Attained Age of Contract holder | 73 years 2 months 12 days | 72 years 1 month 6 days |  |
Index-linked Annuities |  |  |  |
Market Risk Benefit [Line Items] |  |  |  |
Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk | $ 8 | $ 4 |  |

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- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from (increase) decrease in instrument-specific credit risk on contract or contract feature in long-duration contract issued by insurance entity protecting contract holder from other-than-nominal capital market risk and exposing insurance entity to other-than-nominal capital market risk. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29G -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29G Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480016/944-40-65-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 13K -Subparagraph (k) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-13K + Details
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