Other Expenses (Other Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Other Income and Expenses [Abstract]
Employee-related costs (1)	$ 868	$ 808	$ 1,772	$ 1,782
Third party staffing costs	375	336	758	648
General and administrative expenses	169	135	290	243
Pension, postretirement and postemployment benefit costs	24	26	49	51
Premium taxes, other taxes, and licenses & fees	137	169	290	336
Commissions and other variable expenses	1,300	1,294	2,631	2,824
Capitalization of DAC	(622)	(642)	(1,272)	(1,417)
Amortization of DAC and VOBA	616	537	1,153	1,127
Amortization of negative VOBA	(10)	(10)	(19)	(19)
Interest expense on debt	226	228	451	456
Total other expenses	3,083	2,881	6,103	6,031
Net change in cash surrender value of investments, net of premiums paid	$ 78	$ (58)	$ 115	$ (74)