Other Revenues and Other Expenses (Other Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Other Income and Expenses [Abstract]
Compensation	$ 96	$ 81	$ 185	$ 162
Contracted services and other labor costs	72	60	134	110
Transition services agreements	7	1	18	27
Establishment costs	0	11	0	25
Premium and other taxes, licenses and fees	18	13	31	25
Volume related costs, excluding compensation, net of DAC capitalization	142	94	277	237
Interest expense on debt	18	16	36	33
Other	57	213	123	262
Total other expenses	$ 410	$ 489	$ 804	$ 881