Segment Information (Reconciliation of Operating Revenues to Total Revenues) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Total revenues	$ 2,579	$ 814
Annuities
Segment Reporting Information [Line Items]
Total revenues	1,135	1,147
Life
Segment Reporting Information [Line Items]
Total revenues	276	324
Run-off
Segment Reporting Information [Line Items]
Total revenues	562	628
Corporate & Other
Segment Reporting Information [Line Items]
Total revenues	66	35
Segment Reconciling Items
Segment Reporting Information [Line Items]
Total revenues	$ 540	$ (1,320)