v3.26.1
Goodwill and other intangible assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Intangible Asset, Finite-Lived [Line Items]            
Gross carrying amounts $ 54,306     $ 54,306   $ 54,350
Finite-lived intangible assets, net 19,777     19,777   21,566
Amortization charges associated with finite-lived intangible assets 890 $ 1,100   1,800 $ 2,300  
Total estimated amortization of finite-lived intangible assets for the remainder of the year 1,800     1,800    
Total estimated amortization of finite-lived intangible assets for 2027 3,600     3,600    
Total estimated amortization of finite-lived intangible assets for 2028 2,800     2,800    
Total estimated amortization of finite-lived intangible assets for 2029 2,300     2,300    
Total estimated amortization of finite-lived intangible assets for 2030 2,200     2,200    
Total estimated amortization of finite-lived intangible assets for 2031 2,100     2,100    
Developed-product-technology rights            
Intangible Asset, Finite-Lived [Line Items]            
Gross carrying amounts 47,793     47,793   47,805
Finite-lived intangible assets, net 19,343     19,343   $ 21,051
TAVNEOS | Developed-product-technology rights            
Intangible Asset, Finite-Lived [Line Items]            
Gross carrying amounts 2,400     2,400    
TAVNEOS, US Market | Developed-product-technology rights            
Intangible Asset, Finite-Lived [Line Items]            
Gross carrying amounts $ 2,300     $ 2,300    
Otezla | Developed-product-technology rights            
Intangible Asset, Finite-Lived [Line Items]            
Finite-lived intangible assets, fair value disclosure     $ 4,000      
Finite-lived intangible assets, net     4,800      
Impairment charge     $ 800