Deferred Acquisition Costs and Deferred Sales Inducement Costs (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Balances of and changes in DAC
Beginning balance	$ 2,782	$ 2,532
Capitalization of acquisition costs	105	138
Amortization	(248)	(68)
Impact of change in net unrealized (gains) losses on securities	330	48
Ending balance	2,969	2,650
Balances of and changes in DSIC
Beginning balance	189	189
Capitalization of sales inducement costs	0	1
Amortization	(24)	(7)
Impact of change in net unrealized (gains) losses on securities	10	5
Ending balance	$ 175	$ 188