Other Expenses (Other Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Other Income and Expenses [Abstract]
Employee-related costs (1)	$ 880	$ 794	$ 2,652	$ 2,576
Third party staffing costs	353	353	1,111	1,001
General and administrative expenses	196	212	486	455
Pension, postretirement and postemployment benefit costs	24	43	73	94
Premium taxes, other taxes, and licenses & fees	172	144	462	480
Commissions and other variable expenses	1,268	1,323	3,899	4,147
Capitalization of DAC	(615)	(635)	(1,887)	(2,052)
Amortization of DAC and VOBA	218	816	1,371	1,943
Amortization of negative VOBA	(12)	(6)	(31)	(25)
Interest expense on debt	239	240	690	696
Total other expenses	2,723	3,284	8,826	9,315
Net change in cash surrender value of investments, net of premiums paid	$ 30	$ (15)	$ 145	$ (89)