v3.26.1
Medical Claims and Benefits Payable - Components of Change in Medical Claims and Benefits Payable (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Insurance Claims    
Medical claims and benefits payable, beginning balance $ 4,887 $ 4,640
Components of medical care costs related to:    
Current year 18,995 19,509
Prior years (285) (201)
Total medical care costs 18,710 19,308
Payments for medical care costs related to:    
Current year 15,062 15,700
Prior years 3,918 3,918
Total paid 18,980 19,618
Acquired balances, net of post-acquisition adjustments   295
Change in non-risk and other payables 224 260
Medical claims and benefits payable, ending balance 4,841 4,885
Medicaid    
Insurance Claims    
Medical claims and benefits payable, beginning balance 3,638 3,667
Components of medical care costs related to:    
Current year 14,916 14,833
Prior years (156) (162)
Total medical care costs 14,760 14,671
Payments for medical care costs related to:    
Current year 11,860 11,981
Prior years 2,888 2,978
Total paid 14,748 14,959
Acquired balances, net of post-acquisition adjustments   0
Change in non-risk and other payables 224 260
Medical claims and benefits payable, ending balance 3,874 3,639
Medicare    
Insurance Claims    
Medical claims and benefits payable, beginning balance 688 722
Components of medical care costs related to:    
Current year 2,875 2,813
Prior years (93) (70)
Total medical care costs 2,782 2,743
Payments for medical care costs related to:    
Current year 2,279 2,203
Prior years 559 641
Total paid 2,838 2,844
Acquired balances, net of post-acquisition adjustments   128
Change in non-risk and other payables 0 0
Medical claims and benefits payable, ending balance 632 749
Marketplace    
Insurance Claims    
Medical claims and benefits payable, beginning balance 547 251
Components of medical care costs related to:    
Current year 1,198 1,815
Prior years (31) 31
Total medical care costs 1,167 1,846
Payments for medical care costs related to:    
Current year 920 1,465
Prior years 463 284
Total paid 1,383 1,749
Acquired balances, net of post-acquisition adjustments   125
Change in non-risk and other payables 0 0
Medical claims and benefits payable, ending balance 331 473
Other    
Insurance Claims    
Medical claims and benefits payable, beginning balance 14 0
Components of medical care costs related to:    
Current year 6 48
Prior years (5) 0
Total medical care costs 1 48
Payments for medical care costs related to:    
Current year 3 51
Prior years 8 15
Total paid 11 66
Acquired balances, net of post-acquisition adjustments   42
Change in non-risk and other payables 0 0
Medical claims and benefits payable, ending balance $ 4 $ 24