Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net earnings	$ 3,826	$ 2,523
Adjustments to reconcile net earnings to net cash provided by operating activities:
Change in receivables and advance premiums	12	(36)
Capitalization of deferred policy acquisition costs	(870)	(1,057)
Amortization of deferred policy acquisition costs	914	967
Increase in policy liabilities	1,601	1,659
Change in income tax liabilities	(1,509)	(85)
Realized investment (gains) losses	525	147
Other, net	102	145
Net cash provided (used) by operating activities	4,601	4,263
Proceeds from investments sold or matured:
Available-for-sale fixed maturity securities	2,688	3,127
Equity securities	217	570
Held-to-maturity fixed maturity securities	3	437
Commercial mortgage and other loans	1,115	1,293
Costs of investments acquired:
Available for sale fixed maturity securities	(3,710)	(5,908)
Equity securities	(275)	(321)
Commercial mortgage and other loans	(2,554)	(2,634)
Other investments, net	(405)	(682)
Settlement of derivatives, net	15	13
Cash received (pledged or returned) as collateral, net	(420)	1,144
Other, net	(185)	15
Net cash provided (used) by investing activities	(3,511)	(2,946)
Cash flows from financing activities:
Purchases of treasury stock	(1,037)	(1,157)
Proceeds from borrowings	1,545	268
Principal payments under debt obligations	(350)	0
Dividends paid to shareholders	(580)	(579)
Change in investment-type contracts, net	(7)	0
Treasury stock reissued	27	38
Other, net	(29)	1
Net cash provided (used) by financing activities	(431)	(1,429)
Effect of exchange rate changes on cash and cash equivalents	8	(9)
Net change in cash and cash equivalents	667	(121)
Cash and cash equivalents, beginning of period	4,896	4,337
Cash and cash equivalents, end of period	5,563	4,216
Supplemental disclosures of cash flow information:
Income taxes paid	626	950
Interest paid	131	132
Noncash interest	47	38
Noncash financing activities:
Lease obligations	31	82
Associate stock bonus
Treasury stock issued for:
Treasury stock issued	12	12
Shareholder dividend reinvestment
Treasury stock issued for:
Treasury stock issued	22	21
Share-based compensation grants
Treasury stock issued for:
Treasury stock issued	$ 6	$ 5