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Equity - Statutory Results (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Statutory Accounting Practices [Line Items] |  |  |
Statutory Net Income | $ 1,806 | $ 1,908 | $ 1,904
Statutory Capital | 14,324 | 13,396 |
Group Insurance Policy [Member] |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Statutory Net Income | 32 | 310 | 513
Statutory Capital | 2,410 | 2,601 |
Property and Casualty Insurance Subsidiaries |  |  |
Statutory Accounting Practices [Line Items] |  |  |
Statutory Net Income | 1,774 | 1,598 | $ 1,391
Statutory Capital | $ 11,914 | $ 10,795 |

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