Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net earnings	$ 2,398	$ 1,370
Adjustments to reconcile net earnings to net cash provided by operating activities:
Change in receivables and advance premiums	(4)	(65)
Capitalization of deferred policy acquisition costs	(515)	(604)
Amortization of deferred policy acquisition costs	592	622
Increase in policy liabilities	478	936
Change in income tax liabilities	98	(117)
Net investment (gains) losses	(396)	633
Other, net	(323)	(174)
Net cash provided (used) by operating activities	2,328	2,601
Proceeds from investments sold or matured:
Available-for-sale fixed maturity securities	1,468	1,981
Equity securities	124	93
Held-to-maturity fixed maturity securities	2	2
Commercial mortgage and other loans	1,679	685
Costs of investments acquired:
Available for sale fixed maturity securities	(3,365)	(2,691)
Equity securities	(258)	(150)
Commercial mortgage and other loans	(2,376)	(2,108)
Other investments, net	(685)	(293)
Settlement of derivatives, net	155	21
Cash received (pledged or returned) as collateral, net	2,412	459
Other, net	5	(119)
Net cash provided (used) by investing activities	(839)	(2,120)
Cash flows from financing activities:
Purchases of treasury stock	(1,150)	(637)
Proceeds from borrowings	1,153	1,545
Principal payments under debt obligations	(700)	(350)
Dividends paid to shareholders	(430)	(388)
Change in investment-type contracts, net	(24)	(17)
Treasury stock reissued	13	21
Other, net	(3)	(22)
Net cash provided (used) by financing activities	(1,141)	152
Effect of exchange rate changes on cash and cash equivalents	(20)	(1)
Net change in cash and cash equivalents	328	632
Cash and cash equivalents, beginning of period	5,141	4,896
Cash and cash equivalents, end of period	5,469	5,528
Supplemental disclosures of cash flow information:
Income taxes paid	480	536
Interest paid	109	97
Noncash interest	14	19
Noncash financing activities:
Lease obligations	30	22
Associate stock bonus
Treasury stock issued for:
Treasury stock issued	8	8
Shareholder dividend reinvestment
Treasury stock issued for:
Treasury stock issued	16	14
Share-based compensation grants
Treasury stock issued for:
Treasury stock issued	$ 4	$ 6