Consolidated Statement of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues
Premiums	$ 43,914	$ 41,941	$ 37,761
Net investment income	3,959	3,590	2,922
Fee income	495	473	433
Net realized investment losses	(48)	(30)	(105)
Other revenues	508	449	353
Total revenues	48,828	46,423	41,364
Claims and expenses
Claims and claim adjustment expenses	27,221	27,059	26,215
Amortization of deferred acquisition costs	7,266	6,973	6,226
General and administrative expenses	6,120	5,819	5,176
Interest expense	425	392	376
Total claims and expenses	41,032	40,243	37,993
Income before income taxes	7,796	6,180	3,371
Income tax expense	1,508	1,181	380
Net income	$ 6,288	$ 4,999	$ 2,991
Net income per share
Basic (in dollars per share)	$ 27.83	$ 21.76	$ 12.93
Diluted (in dollars per share)	$ 27.43	$ 21.47	$ 12.79
Weighted average number of common shares outstanding
Basic (in shares)	224.2	228.0	229.7
Diluted (in shares)	227.6	231.1	232.2