Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net earnings	$ 1,032	$ 1,293
Adjustments to reconcile net earnings to net cash provided (used) by operating activities:
Change in receivables and advance premiums	(30)	(19)
Capitalization of deferred policy acquisition costs	(255)	(262)
Amortization of deferred policy acquisition costs	322	311
Increase in policy liabilities	198	204
Change in income tax liabilities	321	331
Net investment (gains) losses	(122)	(307)
Other, net	(206)	(185)
Net cash provided (used) by operating activities	1,260	1,366
Proceeds from investments sold or matured:
Available-for-sale fixed maturity securities	545	651
Equity securities	102	123
Commercial mortgage and other loans	638	725
Costs of investments acquired:
Available-for-sale fixed maturity securities	(707)	(2,475)
Equity securities	(114)	(126)
Commercial mortgage and other loans	(1,161)	(956)
Other investments, net	(138)	(201)
Settlement of derivatives, net	(558)	116
Cash received (pledged or returned) as collateral, net	142	1,206
Other, net	41	(32)
Net cash provided (used) by investing activities	(1,210)	(969)
Cash flows from financing activities:
Purchases of treasury stock	(500)	(650)
Proceeds from borrowings	0	400
Dividends paid to shareholders	(250)	(219)
Change in investment-type contracts, net	(21)	(12)
Treasury stock reissued	9	9
Other, net	25	2
Net cash provided (used) by financing activities	(737)	(470)
Effect of exchange rate changes on cash and cash equivalents	(89)	(78)
Net change in cash and cash equivalents	(776)	(151)
Cash and cash equivalents, beginning of period	5,051	5,141
Cash and cash equivalents, end of period	4,275	4,990
Supplemental disclosures of cash flow information:
Income taxes paid	(77)	(20)
Interest paid	37	35
Noncash interest	19	27
Noncash financing activities:
Lease obligations	73	20
Associate stock bonus
Treasury stock issued for:
Treasury stock issued	3	7
Shareholder dividend reinvestment
Treasury stock issued for:
Treasury stock issued	9	8
Share-based compensation grants
Treasury stock issued for:
Treasury stock issued	$ 5	$ 4