Other Revenues and Other Expenses (Other Expenses) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Other Income and Expenses [Abstract]
Compensation	$ 111	$ 98
Contracted services and other labor costs	63	69
Transition services agreements	7	11
Premium and other taxes, licenses and fees	11	14
Separate account fees	92	92
Volume related costs, excluding compensation, net of DAC capitalization	147	137
Interest expense on debt	38	38
Other	38	19
Total other expenses	$ 507	$ 478