CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Premiums, reinsurance ceded	$ 139	$ 138	$ 149
Contract charges, reinsurance ceded	180	188	191
Contract benefits, reinsurance ceded	187	249	208
Interest credited to contractholder funds, reinsurance ceded	$ 40	$ 44	$ 46