Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net earnings	$ 5,443	$ 4,659	$ 4,418
Adjustments to reconcile net earnings to net cash provided (used) by operating activities:
Change in receivables and advance premiums	51	(133)	5
Capitalization of deferred policy acquisition costs	(1,056)	(1,086)	(1,054)
Amortization of deferred policy acquisition costs	851	816	792
Increase in policy liabilities	(302)	(552)	726
Change in income tax liabilities	(393)	(967)	(509)
Net investment (gains) losses	(1,271)	(590)	(363)
Other, net	(616)	1,043	(136)
Net cash provided (used) by operating activities	2,707	3,190	3,879
Proceeds from investments sold or matured:
Available-for-sale fixed maturity securities	7,205	3,811	4,418
Equity securities	782	404	570
Held-to-maturity fixed maturity securities	3	3	3
Commercial mortgage and other loans	2,435	1,641	2,190
Costs of investments acquired:
Available for sale fixed maturity securities	(5,542)	(2,801)	(3,514)
Equity securities	(411)	(357)	(461)
Commercial mortgage and other loans	(1,376)	(996)	(3,897)
Other investments, net	(972)	(417)	(227)
Settlement of derivatives, net	(184)	79	(61)
Cash received (pledged or returned) as collateral, net	780	(401)	(673)
Other, net	61	(149)	112
Net cash provided (used) by investing activities	2,781	817	(1,540)
Cash flows from financing activities:
Purchases of treasury stock	(2,800)	(2,801)	(2,401)
Proceeds from borrowings	823	204	1,277
Principal payments under debt obligations	(194)	0	(1,416)
Dividends paid to shareholders	(1,087)	(966)	(979)
Change in investment-type contracts, net	(214)	(160)	(83)
Treasury stock reissued	14	17	17
Other, net	(28)	(17)	34
Net cash provided (used) by financing activities	(3,486)	(3,723)	(3,551)
Effect of exchange rate changes on cash and cash equivalents	(79)	79	104
Net change in cash and cash equivalents	1,923	363	(1,108)
Cash and cash equivalents, beginning of period	4,306	3,943	5,051
Cash and cash equivalents, end of period	6,229	4,306	3,943
Supplemental disclosures of cash flow information:
Income taxes paid	1,367	1,569	961
Interest paid	180	185	211
Noncash interest	17	10	14
Noncash real estate acquired in satisfaction of debt	468	217	0
Noncash financing activities:
Lease obligations	33	75	102
Associate stock bonus
Treasury stock issued for:
Treasury stock issued	20	17	14
Shareholder dividend reinvestment
Treasury stock issued for:
Treasury stock issued	41	37	37
Share-based compensation grants
Treasury stock issued for:
Treasury stock issued	$ 6	$ 5	$ 6