v3.25.4
Dispositions and Held for Sale (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disposition and Held for Sale [Line Items]      
Loss on sale of subsidiary and subsidiaries held for sale $ (265) $ (8,310) $ 0
Gains on dispositions and other strategic transactions 910 3,333 $ 489
Equity Method Investments 3,800 3,800  
Deconsolidation, Gain (Loss), Amount 1,700    
Noncontrolling Interest, Decrease from Deconsolidation 2,600    
Business Deconsolidation Net Assets 1,400    
Equity Method Investments from Deconsolidation 575    
South American Businesses Held for Sale      
Disposition and Held for Sale [Line Items]      
Remeasurement of assets of businesses held for sale to fair value less cost to sell (1,523)    
Loss on sale of subsidiary and subsidiaries held for sale   (1,200)  
Foreign currency translation loss (891) (855)  
Total assets 1,049    
Brazil Disposal Group      
Disposition and Held for Sale [Line Items]      
Loss on sale of subsidiary and subsidiaries held for sale   (7,100)  
Foreign Currency Translation Loss   (4,100)  
Dispositions and other Strategic Transactions      
Disposition and Held for Sale [Line Items]      
Equity Method Investments   1,900  
Total assets   1,000  
Noncash or Part Noncash Divestiture, Amount of Consideration Received   3,000  
Put and Call Options   630  
Dispositions and other Strategic Transactions | Operating Expense      
Disposition and Held for Sale [Line Items]      
Gains on dispositions and other strategic transactions   3,300  
Dispositions and other Strategic Transactions | Optum Health      
Disposition and Held for Sale [Line Items]      
Gains on dispositions and other strategic transactions   1,400  
Dispositions and other Strategic Transactions | UnitedHealthcare      
Disposition and Held for Sale [Line Items]      
Gains on dispositions and other strategic transactions   1,100  
Dispositions and other Strategic Transactions | Optum Insight      
Disposition and Held for Sale [Line Items]      
Gains on dispositions and other strategic transactions   $ 800  
Other Businesses, Held-for-Sale, Not Discontinued Operations      
Disposition and Held for Sale [Line Items]      
Remeasurement of assets of businesses held for sale to fair value less cost to sell (950)    
Total assets $ 1,757