Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash Flows from Operating Activities
Net income	$ 620	$ 561
Adjustments to reconcile net income to net cash flows provided by operating activities:
Deferred income tax expense	25	15
Trading portfolio activity	4	(13)
Net investment gains	(13)	(11)
Equity method investees	39	(15)
Net amortization of investments	(47)	(30)
Depreciation and amortization	36	41
Changes in:
Receivables, net	(135)	(587)
Accrued investment income	(7)	15
Deferred acquisition costs	(47)	(43)
Insurance reserves	203	563
Other, net	(164)	(142)
Net cash flows provided by operating activities	514	354
Dispositions:
Fixed maturity securities - sales	3,858	4,781
Fixed maturity securities - maturities, calls and redemptions	1,374	1,306
Equity securities	117	25
Limited partnerships	297	93
Mortgage loans	70	68
Purchases:
Fixed maturity securities	(4,896)	(5,608)
Equity securities	(88)	(127)
Limited partnerships	(139)	(72)
Mortgage loans	(147)	(94)
Change in other investments	(4)	(6)
Change in short term investments	(211)	135
Purchases of property and equipment	(14)	(76)
Other, net	16	14
Net cash flows provided by investing activities	233	439
Cash Flows from Financing Activities
Dividends paid to common stockholders	(738)	(706)
Proceeds from the issuance of debt	496	0
Repayment of debt	(520)	(150)
Purchase of treasury stock	(16)	0
Other, net	(10)	1
Net cash flows used by financing activities	(788)	(855)
Effect of foreign exchange rate changes on cash	2	(5)
Net change in cash	(39)	(67)
Cash, beginning of year	310	355
Cash, end of period	$ 271	$ 288