Closed Block (Revenues and Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues
Premiums	$ 274	$ 325	$ 549	$ 645
Net investment income	352	382	713	775
Net investment gains (losses)	(16)	(11)	(48)	(5)
Net derivative gains (losses)	8	6	11	7
Total revenues	618	702	1,225	1,422
Expenses
Policyholder benefits and claims	462	520	945	1,066
Policyholder dividends	128	173	261	351
Other expenses	23	24	46	49
Total expenses	613	717	1,252	1,466
Revenues, net of expenses before provision for income tax expense (benefit)	5	(15)	(27)	(44)
Provision for income tax expense (benefit)	1	(3)	(6)	(9)
Revenues, net of expenses and provision for income tax expense (benefit)	$ 4	$ (12)	$ (21)	$ (35)