Segment Information (Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total assets	$ 218,288	$ 247,255
Annuities
Segment Reporting Information [Line Items]
Total assets	149,990	174,489
Life
Segment Reporting Information [Line Items]
Total assets	16,713	18,190
Run-off
Segment Reporting Information [Line Items]
Total assets	30,902	37,069
Corporate & Other
Segment Reporting Information [Line Items]
Total assets	$ 20,683	$ 17,507