Intangibles - Reconciliation of VOB DAC and DSI to the Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
VOBA	$ 1,572	$ 1,615	$ 1,749	$ 1,743
DAC	1,676	1,411
DSI	225	200	140	127
FIA
Finite-Lived Intangible Assets [Line Items]
VOBA	1,130	1,166	1,276	1,314
DAC	1,062	971
DSI	225	200	140	127
Fixed Rate Annuities
Finite-Lived Intangible Assets [Line Items]
VOBA	31	32	37	39
DAC	209	83
Immediate annuities
Finite-Lived Intangible Assets [Line Items]
VOBA	198	201	209	212
Universal Life
Finite-Lived Intangible Assets [Line Items]
VOBA	141	143	150	153
DAC	396	348
Traditional Life
Finite-Lived Intangible Assets [Line Items]
VOBA	72	73	$ 77	$ 25
Funding Agreements
Finite-Lived Intangible Assets [Line Items]
DAC	$ 9	$ 9