v3.25.4
Goodwill and Intangible Assets Changes in the Carrying Amount of Goodwill by Reporting Segment (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Goodwill [Line Items]    
Goodwill, Beginning Balance $ 106,734 $ 103,732
Acquisitions 4,295 4,376
Dispositions, foreign currency effects and adjustments, net (530) (1,374)
Goodwill, Ending Balance 110,499 106,734
UnitedHealthcare    
Goodwill [Line Items]    
Goodwill, Beginning Balance 27,161 27,878
Acquisitions 0 0
Dispositions, foreign currency effects and adjustments, net 35 (717)
Goodwill, Ending Balance 27,196 27,161
Optum Health    
Goodwill [Line Items]    
Goodwill, Beginning Balance 38,826 37,079
Acquisitions 4,011 2,071
Dispositions, foreign currency effects and adjustments, net (72) (324)
Goodwill, Ending Balance 42,765 38,826
Optum Insight    
Goodwill [Line Items]    
Goodwill, Beginning Balance 18,980 19,307
Acquisitions 0 0
Dispositions, foreign currency effects and adjustments, net (247) (327)
Goodwill, Ending Balance 18,733 18,980
Optum Rx    
Goodwill [Line Items]    
Goodwill, Beginning Balance 21,767 19,468
Acquisitions 284 2,305
Dispositions, foreign currency effects and adjustments, net (246) (6)
Goodwill, Ending Balance $ 21,805 $ 21,767