Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Flows from Operating Activities
Net income	$ 561	$ 532
Adjustments to reconcile net income to net cash flows provided by operating activities:
Deferred income tax expense	15	122
Trading portfolio activity	(13)	(11)
Net realized investment gains	(11)	(86)
Equity method investees	(15)	42
Net amortization of investments	(30)	(21)
Depreciation and amortization	41	43
Changes in:
Receivables, net	(587)	(195)
Accrued investment income	15	1
Deferred acquisition costs	(43)	(41)
Insurance reserves	563	262
Other assets	(178)	(118)
Other liabilities	(11)	(45)
Other, net	47	30
Total adjustments	(207)	(17)
Net cash flows provided by operating activities	354	515
Dispositions:
Fixed maturity securities - sales	4,781	3,142
Fixed maturity securities - maturities, calls and redemptions	1,306	1,770
Equity securities		22
Equity securities	25
Limited partnerships	93	100
Mortgage loans	68	17
Purchases:
Fixed maturity securities	(5,608)	(4,840)
Equity securities		(8)
Equity securities	(127)
Limited partnerships	(72)	(47)
Mortgage loans	(94)	(72)
Change in other investments	(6)	(3)
Change in short term investments	135	81
Purchases of property and equipment	(76)	(68)
Other, net	14	17
Net cash flows provided by investing activities	439	111
Cash Flows from Financing Activities
Dividends paid to common stockholders	(706)	(676)
Repayment of debt	(150)	0
Other, net	1	(1)
Net cash flows used by financing activities	(855)	(677)
Effect of foreign exchange rate changes on cash	(5)	5
Net change in cash	(67)	(46)
Cash, beginning of year	355	271
Cash, end of period	$ 288	$ 225