Other Expenses (Other Expenses) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Other Income and Expenses [Abstract]
Compensation	$ 72	$ 72
Contracted services and other labor costs	40	39
Transition services agreements	64	71
Establishment costs	38	0
Premium and other taxes, licenses and fees	6	16
Separate account fees	1	1
Volume related costs, excluding compensation, net of DAC capitalization	151	150
Interest expense on debt	10	1
Other	52	47
Total other expenses	$ 434	$ 397