Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net earnings	$ 2,920	$ 4,604	$ 2,659
Adjustments to reconcile net earnings to net cash provided by operating activities:
Change in receivables and advance premiums	(55)	(91)	42
Capitalization of deferred policy acquisition costs	(1,504)	(1,468)	(1,447)
Amortization of deferred policy acquisition costs	1,245	1,132	1,141
Increase in policy liabilities	2,343	2,890	3,331
Change in income tax liabilities	64	(1,240)	(93)
Realized investment (gains) losses	430	151	14
Other, net	571	150	340	[1]
Net cash provided (used) by operating activities	6,014	6,128	5,987
Proceeds from investments sold or matured:
Available-for-sale fixed maturity securities	7,888	4,680	6,723
Equity securities, FV-NI	429
Equity securities, available for sale		902	350
Held-to-maturity fixed maturity securities	1,670	2,212	1,399
Other investments - loan receivables	936	303	90
Costs of investments acquired:
Available for sale fixed maturity securities	(9,086)	(9,867)	(10,890)
Equity securities, FV-NI	(440)
Equity securities, available-for-sale		(446)	(1,079)
Other investments - loan receivables	(4,848)	(2,115)	(1,110)
Other investments, excluding loan receivables, net	(414)	(206)	(98)
Settlement of derivatives, net	(241)	(621)	1,252
Cash received (pledged or returned) as collateral, net	348	(205)	(416)
Other, net	176	(68)	(76)
Net cash provided (used) by investing activities	(3,582)	(5,431)	(3,855)
Cash flows from financing activities:
Purchases of treasury stock	(1,301)	(1,351)	(1,422)
Proceeds from borrowings	1,020	1,040	986
Principal payments under debt obligations	(550)	(1,161)	(610)
Dividends paid to shareholders	(793)	(661)	(658)
Change in investment-type contracts, net	(31)	35	159
Treasury stock reissued	58	33	46
Other, net	(19)	0	(120)	[1]
Net cash provided (used) by financing activities	(1,616)	(2,065)	(1,619)
Effect of exchange rate changes on cash and cash equivalents	30	0	(4)
Net change in cash and cash equivalents	846	(1,368)	509
Cash and cash equivalents, beginning of period	3,491	4,859	4,350
Cash and cash equivalents, end of period	4,337	3,491	4,859
Supplemental disclosures of cash flow information:
Income taxes paid	998	780	1,526
Interest paid	181	196	211
Noncash interest	41	44	57
Impairment losses included in realized investment losses	81
Impairment losses included in realized investment losses		37	85
Noncash financing activities:
Capitalized lease obligations	11	12	1
Senior Notes due 2039 and 2040
Expense on extinguishment of debt			137
Associate stock bonus
Noncash financing activities:
Treasury stock issued	7	29	30
Shareholder dividend reinvestment
Noncash financing activities:
Treasury stock issued	8	29	27
Share-based compensation grants
Noncash financing activities:
Treasury stock issued	$ 2	$ 1	$ 4

[1] Operating activities excludes and financing activities includes a cash outflow of $137 in 2016 for the payments associated with the early extinguishment of debt