CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities
Net income	$ 996	$ 319	$ 561
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization and other non-cash items	(64)	(64)	(74)
Realized capital gains and losses	(49)	77	(265)
Gain on disposition of operations	(7)	(5)	(3)
Interest credited to contractholder funds	639	677	717
Changes in:
Policy benefits and other insurance reserves	(529)	(611)	(559)
Deferred policy acquisition costs	31	54	27
Reinsurance recoverables, net	56	30	16
Income taxes	(308)	135	27
Other operating assets and liabilities	(159)	(117)	(41)
Net cash provided by operating activities	606	495	406
Proceeds from sales
Fixed income securities	3,916	5,999	8,267
Equity securities	1,536	1,298	636
Limited partnership interests	539	371	481
Mortgage loans	0	0	6
Other investments	45	44	24
Investment collections
Fixed income securities	1,733	2,085	1,993
Mortgage loans	566	363	446
Other investments	208	169	69
Investment purchases
Fixed income securities	(4,698)	(7,072)	(8,272)
Equity securities	(1,385)	(1,234)	(1,264)
Limited partnership interests	(631)	(677)	(663)
Mortgage loans	(503)	(517)	(615)
Other investments	(238)	(211)	(220)
Change in short-term investments, net	(12)	(19)	77
Change in policy loans and other investments, net	(37)	(26)	(39)
Disposition of operations	0	0	20
Net cash provided by investing activities	1,039	573	946
Cash flows from financing activities
Contractholder fund deposits	808	854	901
Contractholder fund withdrawals	(1,823)	(2,028)	(2,278)
Proceeds from issuance of notes to related parties	0	140	0
Dividends paid	(600)	0	(17)
Return of capital	0	0	0
Other	(23)	0	0
Net cash used in financing activities	(1,638)	(1,034)	(1,394)
Net increase (decrease) in cash	7	34	(42)
Cash at beginning of year	138	104	146
Cash at end of year	$ 145	$ 138	$ 104