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v3.25.4

Segment Information (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 USD ($) segment | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Segment Reporting [Abstract] |  |  |
Number of operating segments | segment | 4 |  |
Number of reportable segments | segment | 4 |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | $ 174,581 | $ 145,505 | $ 140,095
Premium tax | 20,196 | 17,566 | 13,904
Total external revenues | 194,777 | 163,071 | 153,999
Total revenues | 194,777 | 163,071 | 153,999
Medical costs | 157,702 | 125,707 | 118,894
Cost of services | 2,670 | 2,729 | 3,564
Other operating expense | 42,028 | 31,460 | 28,611
Other income (expense) | 895 | 1,082 | 668
Earnings (loss) before income tax | (6,728) | 4,257 | 3,598
Segment gross margin | 14,209 | 17,069 | 17,637
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 16,854 | 16,879 | 16,735
Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | (16,854) | (16,879) | (16,735)
Premium |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 171,556 | 142,303 | 135,636
Service |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 3,025 | 3,202 | 4,459
Premium and service revenues |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 174,581 | 145,505 | 140,095
Medicaid |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 110,434 | 101,417 | 100,759
Medical costs | 84,450 | 77,516 | 78,210
Cost of services | 98 | 89 | 4
Segment gross margin | 5,690 | 6,246 | 8,641
Medicaid | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium tax | 20,196 | 17,566 | 13,904
Total external revenues | 110,434 | 101,417 | 100,759
Total revenues | 0 | 0 | 0
Medicaid | Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 0 | 0 | 0
Medicaid | Premium | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 90,137 | 83,758 | 86,853
Medicaid | Service | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 101 | 93 | 2
Medicaid | Premium and service revenues | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 90,238 | 83,851 | 86,855
Medicare |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 37,210 | 23,032 | 22,261
Medical costs | 34,227 | 20,437 | 19,394
Cost of services | 0 | 0 | 0
Segment gross margin | 2,983 | 2,595 | 2,867
Medicare | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium tax | 0 | 0 | 0
Total external revenues | 37,210 | 23,032 | 22,261
Total revenues | 0 | 0 | 0
Medicare | Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 0 | 0 | 0
Medicare | Premium | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 37,210 | 23,032 | 22,261
Medicare | Service | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 0 | 0 | 0
Medicare | Premium and service revenues | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 37,210 | 23,032 | 22,261
Commercial |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 42,003 | 33,702 | 24,845
Medical costs | 36,902 | 26,039 | 19,816
Cost of services | 0 | 0 | 0
Segment gross margin | 5,101 | 7,663 | 5,029
Commercial | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium tax | 0 | 0 | 0
Total external revenues | 42,003 | 33,702 | 24,845
Total revenues | 0 | 0 | 0
Commercial | Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 0 | 0 | 0
Commercial | Premium | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 42,001 | 33,699 | 24,843
Commercial | Service | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 2 | 3 | 2
Commercial | Premium and service revenues | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 42,003 | 33,702 | 24,845
Other/Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | 5,130 | 4,920 | 6,134
Medical costs | 2,123 | 1,715 | 1,474
Cost of services | 2,572 | 2,640 | 3,560
Segment gross margin | 435 | 565 | 1,100
Other/Eliminations | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium tax | 0 | 0 | 0
Total external revenues | 5,130 | 4,920 | 6,134
Total revenues | 16,854 | 16,879 | 16,735
Other/Eliminations | Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total revenues | (16,854) | (16,879) | (16,735)
Other/Eliminations | Premium | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 2,208 | 1,814 | 1,679
Other/Eliminations | Service | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | 2,922 | 3,106 | 4,455
Other/Eliminations | Premium and service revenues | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Premium and service revenues | $ 5,130 | $ 4,920 | $ 6,134

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