v3.26.1
REVENUE - Reconciliation of Gross Product Sales to Net Product Sales (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Gross to Net Adjustments [Line Items]        
Total Revenues $ 12,973 $ 12,269 $ 24,462 $ 23,470
Total GTN adjustments (5,592) (10,272) (11,349) (19,260)
Prior period gross to net adjustment impacted by new accounting pronouncement 88 42 67 331
United States        
Gross to Net Adjustments [Line Items]        
Total Revenues 8,991 8,519 16,779 16,392
Total GTN adjustments (4,700) (9,500) (9,500) (17,600)
Gross product sales        
Gross to Net Adjustments [Line Items]        
Total Revenues 18,179 22,181 35,105 42,054
Net product sales        
Gross to Net Adjustments [Line Items]        
Total Revenues 12,588 11,909 23,756 22,794
Charge-backs and cash discounts        
Gross to Net Adjustments [Line Items]        
Total GTN adjustments (2,372) (3,407) (4,839) (6,365)
Medicaid and Medicare rebates        
Gross to Net Adjustments [Line Items]        
Total GTN adjustments (1,759) (4,516) (3,634) (8,356)
Other rebates, returns, discounts and adjustments        
Gross to Net Adjustments [Line Items]        
Total GTN adjustments $ (1,460) $ (2,348) $ (2,876) $ (4,538)