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Value of Business Acquired, Deferred Acquisition Costs and Deferred Sales Inducements - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	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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