Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net earnings	$ 3,286	$ 3,826
Adjustments to reconcile net earnings to net cash provided by operating activities:
Change in receivables and advance premiums	22	12
Capitalization of deferred policy acquisition costs	(778)	(870)
Amortization of deferred policy acquisition costs	869	914
Increase in policy liabilities	770	1,601
Change in income tax liabilities	325	(1,509)
Net investment (gains) losses	(224)	525
Other, net	(89)	102
Net cash provided (used) by operating activities	4,181	4,601
Proceeds from investments sold or matured:
Available-for-sale fixed maturity securities	2,719	2,688
Equity securities	210	217
Held-to-maturity fixed maturity securities	2	3
Commercial mortgage and other loans	2,625	1,115
Costs of investments acquired:
Available for sale fixed maturity securities	(4,187)	(3,710)
Equity securities	(458)	(275)
Commercial mortgage and other loans	(3,434)	(2,554)
Other investments, net	(929)	(405)
Settlement of derivatives, net	171	15
Cash received (pledged or returned) as collateral, net	2,123	(420)
Other, net	(13)	(185)
Net cash provided (used) by investing activities	(1,171)	(3,511)
Cash flows from financing activities:
Purchases of treasury stock	(1,676)	(1,037)
Proceeds from borrowings	1,153	1,545
Principal payments under debt obligations	(700)	(350)
Dividends paid to shareholders	(647)	(580)
Change in investment-type contracts, net	(25)	(7)
Treasury stock reissued	13	27
Other, net	(15)	(29)
Net cash provided (used) by financing activities	(1,897)	(431)
Effect of exchange rate changes on cash and cash equivalents	(46)	8
Net change in cash and cash equivalents	1,067	667
Cash and cash equivalents, beginning of period	5,141	4,896
Cash and cash equivalents, end of period	6,208	5,563
Supplemental disclosures of cash flow information:
Income taxes paid	478	626
Interest paid	146	131
Noncash interest	36	47
Noncash financing activities:
Lease obligations	36	31
Associate stock bonus
Treasury stock issued for:
Treasury stock issued	16	12
Shareholder dividend reinvestment
Treasury stock issued for:
Treasury stock issued	23	22
Share-based compensation grants
Treasury stock issued for:
Treasury stock issued	$ 4	$ 6