Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues:
Net premium income		$ 4,372	$ 4,623	$ 13,406	$ 13,969
Net investment income		991	896	2,908	2,669
Net investment gains (losses)		(171)	108	224	(525)
Other income (loss)		45	38	132	121
Total revenues		5,237	5,665	16,670	16,234
Benefits and expenses:
Benefits and claims, net		2,609	2,985	7,996	8,822
Acquisition and operating expenses:
Amortization of deferred policy acquisition costs		278	292	869	914
Insurance commissions		311	325	952	993
Insurance and other expenses	[1]	869	847	2,582	2,382
Interest expense		57	63	181	181
Total acquisition and operating expenses		1,515	1,527	4,584	4,470
Total benefits and expenses		4,124	4,512	12,580	13,292
Earnings before income taxes		1,113	1,153	4,090	2,942
Income taxes		225	(1,303)	804	(884)
Net earnings		$ 888	$ 2,456	$ 3,286	$ 3,826
Net earnings per share:
Basic (in dollars per share)		$ 1.33	$ 3.45	$ 4.84	$ 5.33
Diluted (in dollars per share)		$ 1.32	$ 3.44	$ 4.82	$ 5.31
Weighted-average outstanding common shares used in computing earnings per share (In thousands):
Basic (in shares)		668,762	711,698	678,509	717,962
Diluted (in shares)		671,925	713,793	681,521	720,333
Cash dividends per share		$ 0.33	$ 0.28	$ 0.99	$ 0.84

[1] Includes expense of $48 and $15 for the nine-month periods ended September 30, 2021 and 2020, respectively, for the early extinguishment of debt.