CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues
Premiums (net of reinsurance ceded of $139, $138 and $149)	$ 677	$ 704	$ 690
Contract charges, Other revenue	682	695	703
Net investment income	1,411	1,585	1,777
Realized capital gains and losses:
Total other-than-temporary impairment (“OTTI”) losses	(24)	(7)	(46)
OTTI losses reclassified to (from) other comprehensive income (OCI)	3	(2)	1
Net OTTI losses recognized in earnings	(21)	(9)	(45)
Sales and valuation changes on equity investments and derivatives	362	(166)	94
Total realized capital gains and losses	341	(175)	49
Total revenues	3,153	2,847	3,259
Costs and expenses
Contract benefits (net of reinsurance ceded of $187, $249 and $208)	1,481	1,446	1,430
Interest credited to contractholder funds (net of reinsurance ceded of $40, $44 and $46)	585	601	639
Amortization of deferred policy acquisition costs	180	146	152
Operating costs and expenses	249	271	321
Restructuring and related charges	1	2	2
Interest expense	5	5	4
Total costs and expenses	2,501	2,471	2,548
Gain on disposition of operations	6	6	7
Income from operations before income tax expense	658	382	718
Income tax expense (benefit)	128	17	(278)
Net income	530	365	996
Other comprehensive income (loss), after-tax
Change in unrealized net capital gains and losses	679	(354)	5
Change in unrealized foreign currency translation adjustments	(17)	0	11
Other comprehensive income (loss), after-tax	662	(354)	16
Comprehensive income	1,192	11	1,012
Product and Service, Other [Member]
Revenues
Contract charges, Other revenue	$ 42	$ 38	$ 40