Deferred Policy Acquisition Costs and Value of Business Acquired - DAC and VOBA Activity (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Beginning balance		$ 2,250
Ending balance	$ 2,196	2,196	$ 2,250
VOBA
Beginning balance		406	439
Deferrals of commissions and expenses		1	4
Net amortization included in Condensed Consolidated Statements of Operations	(17)		(37)
Ending balance	390	390	406
Loss recognition related to VOBA		0	0
Wealth Solutions
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Beginning balance		695	691
Deferrals of commissions and expenses	30		59
Net amortization included in the Consolidated Statements of Operations	(27)		(55)
Ending balance	698	698	695
Health Solutions
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Beginning balance		193	171
Deferrals of commissions and expenses	27		54
Net amortization included in the Consolidated Statements of Operations	(17)		(32)
Ending balance	203	203	193
Businesses Exited
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Beginning balance		938	1,043
Deferrals of commissions and expenses		0	0
Net amortization included in the Consolidated Statements of Operations	(51)		(105)
Ending balance	$ 887	$ 887	$ 938