Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash Flows from Operating Activities
Net income	$ 1,000	$ 813	$ 899
Adjustments to reconcile net income to net cash flows provided by operating activities:
Deferred Income Tax Expense (Benefit)	(46)	(20)	168
Trading portfolio activity	(16)	0	9
Net investment (gains) losses	(29)	52	(93)
Equity method investees	11	330	84
Net amortization of investments	(89)	(70)	(40)
Depreciation and amortization	68	79	88
Changes in:
Receivables, net	137	(229)	92
Accrued investment income	(3)	19	(4)
Deferred acquisition costs	(26)	(6)	(24)
Insurance reserves	358	482	22
Other, net	(225)	(223)	53
Net cash flows provided by operating activities	1,140	1,227	1,254
Dispositions:
Fixed maturity securities - sales	5,842	8,408	5,438
Fixed maturity securities - maturities, calls and redemptions	2,997	2,370	3,641
Equity securities	214	89	46
Limited partnerships	479	343	192
Mortgage loans	143	128	26
Purchases:
Fixed maturity securities	(8,661)	(10,785)	(9,065)
Equity securities	(186)	(258)	(166)
Limited partnerships	(198)	(419)	(171)
Mortgage loans	(298)	(128)	(274)
Change in other investments	(11)	(12)	(3)
Change in short term investments	(535)	168	(6)
Purchases of property and equipment	(26)	(99)	(102)
Other, net	15	18	20
Net cash flows used by investing activities	(225)	(177)	(424)
Cash Flows from Financing Activities
Dividends paid to common stockholders	(929)	(896)	(842)
Proceeds from the issuance of debt	496	0	496
Repayment of debt	(520)	(180)	(391)
Purchase of treasury stock	(23)	0	0
Other, net	(12)	(9)	(18)
Net cash flows used by financing activities	(988)	(1,085)	(755)
Effect of foreign exchange rate changes on cash	5	(10)	9
Net change in cash	(68)	(45)	84
Cash, beginning of year	310	355	271
Cash, end of period	$ 242	$ 310	$ 355