Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net earnings	$ 2,523	$ 2,395
Adjustments to reconcile net earnings to net cash provided by operating activities:
Change in receivables and advance premiums	(36)	(27)
Capitalization of deferred policy acquisition costs	(1,057)	(1,082)
Amortization of deferred policy acquisition costs	967	932
Increase in policy liabilities	1,659	1,821
Change in income tax liabilities	(85)	38
Realized investment (gains) losses	147	76
Other, net	145	506
Net cash provided (used) by operating activities	4,263	4,659
Proceeds from investments sold or matured:
Available-for-sale fixed maturity securities	3,127	5,991
Equity securities	570	369
Held-to-maturity fixed maturity securities	437	880
Commercial mortgage and other loans	1,293	597
Costs of investments acquired:
Available for sale fixed maturity securities	(5,908)	(7,845)
Equity securities	(321)	(338)
Commercial mortgage and other loans	(2,634)	(4,150)
Other investments, net	(682)	(136)
Settlement of derivatives, net	13	(141)
Cash received (pledged or returned) as collateral, net	1,144	1,413
Other, net	15	188
Net cash provided (used) by investing activities	(2,946)	(3,172)
Cash flows from financing activities:
Purchases of treasury stock	(1,157)	(923)
Proceeds from borrowings	268	0
Dividends paid to shareholders	(579)	(595)
Change in investment-type contracts, net	0	(17)
Treasury stock reissued	38	36
Other, net	1	(14)
Net cash provided (used) by financing activities	(1,429)	(1,513)
Effect of exchange rate changes on cash and cash equivalents	(9)	(36)
Net change in cash and cash equivalents	(121)	(62)
Cash and cash equivalents, beginning of period	4,337	3,491
Cash and cash equivalents, end of period	4,216	3,429
Supplemental disclosures of cash flow information:
Income taxes paid	950	827
Interest paid	132	124
Noncash interest	38	41
Impairment losses and loan loss reserves included in realized investment losses	21	17
Noncash financing activities:
Lease obligations	82	10
Associate stock bonus
Treasury stock issued for:
Treasury stock issued	12	7
Shareholder dividend reinvestment
Treasury stock issued for:
Treasury stock issued	21	8
Share-based compensation grants
Treasury stock issued for:
Treasury stock issued	$ 5	$ 2