Deferred Policy Acquisition Costs, Value of Business Acquired and Other Intangibles (Information Regarding DSI) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Variable Annuities
Deferred Sale Inducement Cost [Line Items]
Balance, beginning of year	$ 189	$ 209	$ 233
Capitalization	0	1	1
Amortization	(20)	(21)	(25)
Balance, end of year	169	189	209
Fixed Rate Annuities
Deferred Sale Inducement Cost [Line Items]
Balance, beginning of year	6	8	9
Capitalization	0	0	0
Amortization	(1)	(2)	(1)
Balance, end of year	$ 5	$ 6	$ 8