v3.25.4
Medical Costs Payable Rollforward (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]      
Medical costs payable, beginning of period $ 34,224 $ 32,395 $ 29,056
Acquisitions (dispositions), net 32 (755) 1
Reported medical costs:      
Current year 313,463 264,885 242,734
Prior years (140) (700) (840)
Changes in premium deficiency and loss contracts reserves 672 0 0
Total reported medical costs 313,995 264,185 241,894
Medical payments:      
Payments for current year (277,135) (231,890) (211,380)
Payments for prior years (31,290) (29,532) (27,176)
Total medical payments (308,425) (261,422) (238,556)
Medical costs payable included within businesses held for sale (489) (179) 0
Medical costs payable, end of period $ 39,337 $ 34,224 $ 32,395