Segment Information (Assets) (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total assets	$ 233,506	$ 247,255
Annuities
Segment Reporting Information [Line Items]
Total assets	163,983	174,489
Life
Segment Reporting Information [Line Items]
Total assets	17,600	18,190
Run-off
Segment Reporting Information [Line Items]
Total assets	34,059	37,069
Corporate & Other
Segment Reporting Information [Line Items]
Total assets	$ 17,864	$ 17,507