Deferred Policy Acquisition Costs, Value of Business Acquired and Other Intangibles (Information Regarding DSI) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Variable Annuities
Deferred Sale Inducement Cost [Line Items]
Balance, beginning of year	$ 233	$ 259	$ 283
Capitalization	1	1	1
Amortization	(25)	(27)	(25)
Balance, end of year	209	233	259
Fixed Rate Annuities
Deferred Sale Inducement Cost [Line Items]
Balance, beginning of year	9	10	12
Capitalization	0	0	0
Amortization	(1)	(1)	(2)
Balance, end of year	$ 8	$ 9	$ 10