Other Revenues and Other Expenses (Other Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Other Income and Expenses [Abstract]
Compensation	$ 93	$ 85	$ 278	$ 247
Contracted services and other labor costs	67	65	201	175
Transition services agreements	6	15	24	42
Establishment costs	0	20	0	45
Premium and other taxes, licenses and fees	13	12	44	37
Volume related costs, excluding compensation, net of DAC capitalization	128	126	405	363
Interest expense on debt	17	18	53	51
Other	64	70	187	332
Total other expenses	$ 388	$ 411	$ 1,192	$ 1,292