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Value of Business Acquired, Deferred Acquisition Costs and Deferred Sales Inducements - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
VOBA |  |
Finite-Lived Intangible Assets [Line Items] |  |
Adjustment for net unrealized investment gains and losses | $ (345) | $ 298
VOBA | Minimum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Interest accrual rate utilized to calculate accretion of interest | 0.00% |
VOBA | Maximum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Interest accrual rate utilized to calculate accretion of interest | 4.71% |
DAC |  |
Finite-Lived Intangible Assets [Line Items] |  |
Adjustment for net unrealized investment gains and losses | $ (117) | (53)
Deferred sales inducement, unrealized investment gains (losses) | $ (42) | $ 10

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