Other Revenues and Other Expenses (Other Expenses) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Other Income and Expenses [Abstract]
Compensation	$ 81	$ 85
Contracted services and other labor costs	50	53
Transition services agreements	26	30
Establishment costs	14	16
Premium and other taxes, licenses and fees	12	13
Volume related costs, excluding compensation, net of DAC capitalization	137	158
Interest expense on debt	17	17
Other	49	52
Total other expenses	$ 386	$ 424