Segment Information (Reconciliation of Operating Revenues to Total Revenues) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total revenues	$ 6,400	$ 7,552	$ 5,627
Annuities
Segment Reporting Information [Line Items]
Total revenues	4,602	4,005	4,062
Life
Segment Reporting Information [Line Items]
Total revenues	1,264	1,081	1,115
Run-off
Segment Reporting Information [Line Items]
Total revenues	2,555	1,937	2,009
Corporate & Other
Segment Reporting Information [Line Items]
Total revenues	180	148	145
Segment Reconciling Items
Segment Reporting Information [Line Items]
Total revenues	$ (2,201)	$ 381	$ (1,704)