Consolidated Statement of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues
Premiums	$ 9,718	$ 8,615	$ 27,788	$ 24,946
Net investment income	769	593	2,144	1,937
Fee income	112	104	324	307
Net realized investment losses	(65)	(93)	(94)	(211)
Other revenues	101	84	275	269
Total revenues	10,635	9,303	30,437	27,248
Claims and expenses
Claims and claim adjustment expenses	7,149	6,088	20,335	16,930
Amortization of deferred acquisition costs	1,604	1,406	4,585	4,081
General and administrative expenses	1,312	1,193	3,887	3,607
Interest expense	98	88	278	263
Total claims and expenses	10,163	8,775	29,085	24,881
Income before income taxes	472	528	1,352	2,367
Income tax expense (benefit)	68	74	(13)	344
Net income	$ 404	$ 454	$ 1,365	$ 2,023
Net income per share
Basic (in dollars per share)	$ 1.75	$ 1.91	$ 5.89	$ 8.43
Diluted (in dollars per share)	$ 1.74	$ 1.89	$ 5.83	$ 8.34
Weighted average number of common shares outstanding
Basic (in shares)	228.8	235.4	230.0	238.3
Diluted (in shares)	231.1	237.9	232.5	240.9
Cash dividends declared per common share (in dollars per share)	$ 1.00	$ 0.93	$ 2.93	$ 2.74