DAC, VOBA, AND DSI - PREDECESSOR COMPANY - Schedule of Changes In DSI (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Movement in Deferred Sales Inducements [Roll Forward]
Beginning balance	$ 295	$ 715
Capitalization	0	1
Amortization - Impact of assumption and experience unlocking and true-ups	(37)	15
Amortization - All other	(17)	(112)
Change in unrealized investment gains and losses	3	64
Other	0	(388)
Ending balance	$ 244	$ 295