Other Expenses (Other Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Other Income and Expenses [Abstract]
Employee-related costs (1)	$ 892	$ 914	$ 2,742	$ 2,743
Third-party staffing costs	371	362	1,082	1,066
General and administrative expenses	162	209	463	539
Pension, postretirement and postemployment benefit costs	65	59	195	177
Premium taxes, other taxes, and licenses & fees	183	162	530	507
Commissions and other variable expenses	1,515	1,483	4,480	4,347
Capitalization of DAC	(691)	(742)	(2,114)	(2,189)
Amortization of DAC and VOBA	516	499	1,523	1,448
Amortization of negative VOBA	(7)	(7)	(19)	(20)
Interest expense on debt	257	265	778	776
Total other expenses	3,263	3,204	9,660	9,394
Net change in cash surrender value of investments, net of premiums paid	$ (58)	$ 12	$ (135)	$ (60)