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Value of Business Acquired, Deferred Acquisition Costs and Deferred Sales Inducements - DAC (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Deferred Policy Acquisition Cost [Line Items]
DAC at beginning of period	$ 1,402	$ 775
Capitalization	221	153
Amortization	(35)	(19)
Reinsurance related adjustments		79
DAC at end of period	1,667	909
FIA
Deferred Policy Acquisition Cost [Line Items]
DAC at beginning of period	971	564
Capitalization	113	98
Amortization	(22)	(13)
Reinsurance related adjustments		0
DAC at end of period	1,062	649
Fixed Rate Annuities
Deferred Policy Acquisition Cost [Line Items]
DAC at beginning of period	83	38
Capitalization	52	8
Amortization	(5)	(2)
Reinsurance related adjustments		79
DAC at end of period	209	44
Universal Life
Deferred Policy Acquisition Cost [Line Items]
DAC at beginning of period	348	173
Capitalization	56	47
Amortization	(8)	(4)
Reinsurance related adjustments		0
DAC at end of period	$ 396	$ 216

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