Income Tax (Rate Reconciliation) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income tax expense benefit continuing operations income tax reconciliation
Tax provision at statutory rate	$ (57)	$ (1)	$ (365)
Resolution of prior years	(71)	(3)	0
Dividends received deduction	(32)	(34)	(38)
Change in uncertain tax benefits	(20)	0	0
Tax credits	(19)	(15)	(24)
Return to provision	(5)	12	2
Adjustments to deferred tax	(2)	(48)	(6)
Change in valuation allowance	0	18	0
Other, net	(2)	0	(2)
Provision for income tax expense (benefit)	$ (208)	$ (71)	$ (433)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	77.00%	1654.00%	25.00%