Deferred Policy Acquisition Costs, Value of Business Acquired and Other Intangibles (Reconciliation of Deferred Sale Inducement) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Variable Annuities
Deferred Sale Inducement Cost [Line Items]
Balance, beginning of period	$ 233	$ 259
Amortization	(6)	(7)
Balance, end of period	227	252
Fixed Rate Annuities
Deferred Sale Inducement Cost [Line Items]
Balance, beginning of period	9	10
Amortization	0	0
Balance, end of period	$ 9	$ 10