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Reinsurance - Reinsurance Recoverables (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Ceded Credit Risk [Line Items] |  |
Total reinsurance recoverables | $ 1,998 | $ 2,250
Hartford Life and Accident Insurance Company |  |
Ceded Credit Risk [Line Items] |  |
Total reinsurance recoverables | 1,314 | 1,549
Lincoln Life & Annuity Company of New York |  |
Ceded Credit Risk [Line Items] |  |
Total reinsurance recoverables | 480 | 385
VOYA Retirement Insurance and Annuity Company |  |
Ceded Credit Risk [Line Items] |  |
Total reinsurance recoverables | 0 | 159
Fresenius Medical Care Reinsurance Company (Cayman) Ltd. |  |
Ceded Credit Risk [Line Items] |  |
Total reinsurance recoverables | 54 | 102
Resolution Life Group Holdings Ltd. |  |
Ceded Credit Risk [Line Items] |  |
Total reinsurance recoverables | 35 | 0
All Other |  |
Ceded Credit Risk [Line Items] |  |
Total reinsurance recoverables | $ 115 | $ 55

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- Definition Amount, after valuation allowance, recoverable under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, policy benefits and policy reserves. Excludes premiums paid under reinsurance contracts. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 310 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479584/944-310-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479838/944-20-50-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479616/944-310-45-5 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479616/944-310-45-6 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 825 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479383/944-825-50-1B + Details
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