Other Expenses (Other Expenses) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Other Income and Expenses [Abstract]
Compensation	$ 73	$ 78	$ 146	$ 150
Contracted services and other labor costs	56	60	96	99
Transition services agreements	63	68	127	139
Establishment costs	35	0	73	0
Premium and other taxes, licenses and fees	10	24	16	40
Separate account fees	1	0	2	1
Volume related costs, excluding compensation, net of DAC capitalization	141	158	292	308
Interest expense on debt	16	1	26	2
Other	60	58	111	105
Total other expenses	$ 455	$ 447	$ 889	$ 844