Deferred Acquisition Costs and Deferred Sales Inducement Costs - Deferred Acquisition Costs (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Balances of and changes in DAC
Beginning balance	$ 2,625
Ending balance	2,612	$ 2,625
Variable Annuities
Balances of and changes in DAC
Beginning balance	1,313	1,402
Capitalization of acquisition costs	6	23
Amortization	(27)	(112)
Ending balance	1,292	1,313
Structured Variable Annuities
Balances of and changes in DAC
Beginning balance	325	276
Capitalization of acquisition costs	23	88
Amortization	(11)	(39)
Ending balance	337	325
Fixed Annuities
Balances of and changes in DAC
Beginning balance	23	28
Capitalization of acquisition costs	0	0
Amortization	(1)	(5)
Ending balance	22	23
Fixed Indexed Annuities
Balances of and changes in DAC
Beginning balance	3	4
Capitalization of acquisition costs	0	0
Amortization	0	(1)
Ending balance	3	3
Universal Life Insurance
Balances of and changes in DAC
Beginning balance	96	103
Capitalization of acquisition costs	0	0
Amortization	(2)	(7)
Ending balance	94	96
Variable Universal Life Insurance
Balances of and changes in DAC
Beginning balance	570	553
Capitalization of acquisition costs	15	62
Amortization	(12)	(45)
Ending balance	573	570
Indexed Universal Life Insurance
Balances of and changes in DAC
Beginning balance	197	210
Capitalization of acquisition costs	1	2
Amortization	(4)	(15)
Ending balance	194	197
Other Life Insurance
Balances of and changes in DAC
Beginning balance	1	2
Capitalization of acquisition costs	0	0
Amortization	0	(1)
Ending balance	1	1
Life Contingent Payout Annuities
Balances of and changes in DAC
Beginning balance	13	10
Capitalization of acquisition costs	0	3
Amortization	0	0
Ending balance	13	13
Term and Whole Life Insurance
Balances of and changes in DAC
Beginning balance	17	17
Capitalization of acquisition costs	0	2
Amortization	0	(2)
Ending balance	17	17
Disability Income Insurance
Balances of and changes in DAC
Beginning balance	65	70
Capitalization of acquisition costs	1	3
Amortization	(2)	(8)
Ending balance	64	65
Total, All Products
Balances of and changes in DAC
Beginning balance	2,623	2,675
Capitalization of acquisition costs	46	183
Amortization	(59)	(235)
Ending balance	2,610	2,623
Other broker dealer acquisition costs
Balances of and changes in DAC
Beginning balance	2
Ending balance	$ 2	$ 2