CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues:
Premium and service revenues	$ 174,581	$ 145,505	$ 140,095
Premium tax	20,196	17,566	13,904
Total revenues	194,777	163,071	153,999
Expenses:
Medical costs	157,702	125,707	118,894
Cost of services	2,670	2,729	3,564
Selling, general and administrative expenses	12,904	12,400	12,563
Depreciation expense	590	549	575
Amortization of acquired intangible assets	685	692	718
Premium tax expense	20,538	17,806	14,226
Impairment	7,311	13	529
Total operating expenses	202,400	159,896	151,069
Earnings (loss) from operations	(7,623)	3,175	2,930
Other income (expense):
Investment and other income	1,572	1,784	1,393
Debt extinguishment	1	0	0
Interest expense	(678)	(702)	(725)
Earnings (loss) before income tax	(6,728)	4,257	3,598
Income tax (benefit) expense	(51)	963	899
Net earnings (loss)	(6,677)	3,294	2,699
Loss attributable to noncontrolling interests	3	11	3
Net earnings (loss) attributable to Centene Corporation	$ (6,674)	$ 3,305	$ 2,702
Net earnings (loss) per common share attributable to Centene Corporation:
Basic earnings (loss) per common share (in usd per share)	$ (13.53)	$ 6.33	$ 4.97
Diluted earnings (loss) per common share (in usd per share)	$ (13.53)	$ 6.31	$ 4.95
Weighted average number of common shares outstanding:
Basic (in shares)	493,116	521,790	543,319
Diluted (in shares)	493,116	523,744	545,704
Premium
Revenues:
Premium and service revenues	$ 171,556	$ 142,303	$ 135,636
Service
Revenues:
Premium and service revenues	$ 3,025	$ 3,202	$ 4,459