Segment Information (Reconciliation of Operating Revenues to Total Revenues) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Total revenues	$ 3,643	$ 1,436	$ 6,222	$ 2,250
Annuities
Segment Reporting Information [Line Items]
Total revenues	1,086	1,104	2,221	2,251
Life
Segment Reporting Information [Line Items]
Total revenues	218	332	494	656
Run-off
Segment Reporting Information [Line Items]
Total revenues	514	661	1,076	1,289
Corporate & Other
Segment Reporting Information [Line Items]
Total revenues	78	34	144	69
Segment Reconciling Items
Segment Reporting Information [Line Items]
Total revenues	$ 1,747	$ (695)	$ 2,287	$ (2,015)