Schedule IV - Reinsurance Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Life insurance in force, gross	$ 5,031	$ 5,478	$ 5,903
Life insurance in force, ceded	5,159	5,618	6,055
Life insurance in force, assumed	128	140	152
Life insurance in force, net	0	0	0
Total premiums, gross	5	9	31
Total premiums, ceded	4	0	2
Total premiums, assumed	0	0	0
Total premiums, net	$ 1	$ 9	$ 29
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Premium, Percentage Assumed to Net	0.00%	0.00%	0.00%
Accident and health insurance
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Total premiums, gross	$ 0	$ 0	$ 0
Total premiums, ceded	0	0	0
Total premiums, assumed	0	0	0
Total premiums, net	$ 0	$ 0	$ 0
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Premium, Percentage Assumed to Net	0.00%	0.00%	0.00%
Annuities
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Total premiums, gross	$ 5	$ 9	$ 31
Total premiums, ceded	4	0	2
Total premiums, assumed	0	0	0
Total premiums, net	$ 1	$ 9	$ 29
SEC Schedule, 12-17, Insurance Companies, Reinsurance, Premium, Percentage Assumed to Net	0.00%	0.00%	0.00%