Intangibles - VOBA (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
VOBA
VOBA at beginning of period	$ 1,615	$ 1,743
Amortization	(169)	(180)	$ (195)
Shadow Premium Deficiency Testing (“PDT”)		52
VOBA at end of period	1,446	1,615	1,743
FIA
VOBA
VOBA at beginning of period	1,166	1,314
Amortization	(141)	(148)
Shadow Premium Deficiency Testing (“PDT”)		0
VOBA at end of period	1,025	1,166	1,314
Fixed Rate Annuities
VOBA
VOBA at beginning of period	32	39
Amortization	(5)	(7)
Shadow Premium Deficiency Testing (“PDT”)		0
VOBA at end of period	27	32	39
Immediate Annuities
VOBA
VOBA at beginning of period	201	212
Amortization	(10)	(11)
Shadow Premium Deficiency Testing (“PDT”)		0
VOBA at end of period	191	201	212
Universal Life
VOBA
VOBA at beginning of period	143	153
Amortization	(9)	(10)
Shadow Premium Deficiency Testing (“PDT”)		0
VOBA at end of period	134	143	153
Traditional Life
VOBA
VOBA at beginning of period	73	25
Amortization	(4)	(4)
Shadow Premium Deficiency Testing (“PDT”)		52
VOBA at end of period	$ 69	$ 73	$ 25