Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues
Premiums	$ 828	$ 1,180	$ 1,637
Universal life and investment-type product policy fees	3,156	3,097	3,293
Net investment income	2,973	3,111	3,001
Other revenues	336	709	433
Net investment gains (losses):
Other-than-temporary impairments on fixed maturity securities	(1)	(19)	(23)
Other-than-temporary impairments on fixed maturity securities transferred to other comprehensive income (loss)	0	(3)	(8)
Other net investment gains (losses)	(26)	(45)	36
Total net investment gains (losses)	(27)	(67)	5
Net derivative gains (losses)	(1,468)	(5,770)	(497)
Total revenues	5,798	2,260	7,872
Expenses
Policyholder benefits and claims	3,594	3,738	3,087
Interest credited to policyholder account balances	1,076	1,131	1,224
Amortization of DAC and VOBA Charged to Other Expenses	916	(225)	673
Other expenses	1,833	2,081	1,723
Total expenses	7,419	6,725	6,707
Income (loss) before provision for income tax	(1,621)	(4,465)	1,165
Provision for income tax expense (benefit)	(738)	(1,690)	247
Net income (loss)	$ (883)	$ (2,775)	$ 918