Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues:
Net earned premiums, principally supplemental health insurance		$ 3,651	$ 4,372	$ 11,679	$ 13,406
Net investment income		920	991	2,760	2,908
Net investment gains (losses)		199	(171)	885	224
Other income (loss)		50	45	168	132
Total revenues		4,820	5,237	15,492	16,670
Benefits and expenses:
Benefits and claims, net		2,340	2,609	7,125	7,996
Acquisition and operating expenses:
Amortization of deferred policy acquisition costs		268	278	858	869
Insurance commissions		267	311	846	952
Insurance and other expenses	[1]	783	869	2,412	2,582
Interest expense		59	57	171	181
Total acquisition and operating expenses		1,377	1,515	4,287	4,584
Total benefits and expenses		3,717	4,124	11,412	12,580
Earnings before income taxes		1,103	1,113	4,080	4,090
Income taxes		(493)	225	64	804
Net earnings		$ 1,596	$ 888	$ 4,016	$ 3,286
Net earnings per share:
Basic (in dollars per share)		$ 2.54	$ 1.33	$ 6.28	$ 4.84
Diluted (in dollars per share)		$ 2.53	$ 1.32	$ 6.25	$ 4.82
Weighted-average outstanding common shares used in computing earnings per share (In thousands):
Basic (in shares)		629,350	668,762	639,862	678,509
Diluted (in shares)		631,946	671,925	642,597	681,521
Cash dividends per share		$ 0.40	$ 0.33	$ 1.20	$ 0.99

[1] Includes expense of $48 in the nine-month period ended September 30, 2021 for the early extinguishment of debt.