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Value of Business Acquired, Deferred Acquisition Costs and Deferred Sales Inducements - Reconciliation (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |  |  |
VOBA | $ 1,487 | $ 1,615 | $ 1,659 | $ 1,743
DAC | 2,012 | 1,411 |  |
DSI | 297 | 200 | 177 | 127
FIA |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
VOBA | 1,060 | 1,166 | 1,201 | 1,314
DAC | 1,267 | 971 |  |
DSI | 297 | 200 | 177 | 127
Fixed Rate Annuities |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
VOBA | 28 | 32 | 34 | 39
DAC | 246 | 83 |  |
Immediate Annuities |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
VOBA | 193 | 201 | 203 | 212
Universal Life |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
VOBA | 136 | 143 | 146 | 153
DAC | 490 | 348 |  |
Traditional Life |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
VOBA | 70 | 73 | $ 75 | $ 25
Funding Agreements |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
DAC | $ 9 | $ 9 |  |

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