v3.26.3
Commitments and contingencies - Government Investigations and Litigation Relating to Pricing and Marketing (Details)
 1 Months Ended 12 Months Ended 36 Months Ended
Jun. 01, 2026
claim
Oct. 10, 2024
USD ($)
Dec. 31, 2025
USD ($)
claim
Apr. 30, 2024
lawsuit
Jul. 31, 2014
USD ($)
Mar. 31, 2023
USD ($)
Dec. 31, 2015
payment
instance
Sep. 30, 2026
USD ($)
Mar. 28, 2024
USD ($)
Aug. 21, 2023
USD ($)
Aug. 25, 2020
payment
Other Commitments [Line Items]                      
Other commitment                 $ 150,000,000    
Loss contingency accrual, provision         $ 235,500,000            
Attorneys general lawsuits | lawsuit       3              
Loss contingency claims dismissed value paid to each State proportional to its share of national population           $ 1,000,000          
Percentage of share of national population           1.00%          
Direct purchaser plaintiffs | claim 5   2                
Accrued amount for legal settlements and loss contingencies     $ 4,753,000,000         $ 4,720,000,000      
Civil investigative demand from department of Justice Civil Division                      
Other Commitments [Line Items]                      
Loss contingency accrual, provision   $ 25,000,000                  
Civil investigative demand from department of Justice Civil Division | 2024                      
Other Commitments [Line Items]                      
Loss contingency accrual current   10,000,000                  
Civil investigative demand from department of Justice Civil Division | 2025                      
Other Commitments [Line Items]                      
Loss contingency accrual current   15,000,000                  
Civil action in respect of donations to Patient Assistance Programmers                      
Other Commitments [Line Items]                      
Accrued amount for legal settlements and loss contingencies   425,000,000                  
Loss contingency accrual remainder of fiscal year   19,000,000                  
Loss contingency accrual next twelve months   34,000,000                  
Loss contingency accrual due in third year   49,000,000                  
Loss contingency accrual due in fourth year   99,000,000                  
Loss contingency accrual due in fifth year   $ 175,000,000                  
Deferred prosecution agreement with U.S. Department of Justice                      
Other Commitments [Line Items]                      
Number of indictment charges | payment                     3
Number of instances | instance             3        
Customers involved | payment             3        
Deferred prosecution agreement with U.S. Department of Justice | Donation of Clotrimazole and Tobramycin                      
Other Commitments [Line Items]                      
Other commitment                   $ 50,000,000  
Deferred prosecution agreement with U.S. Department of Justice | Fine for violating the antitrust laws                      
Other Commitments [Line Items]                      
Other commitment                   225,000,000  
Other commitment to pay for each year                   22,500,000  
Other commitment, to be paid, year five                   $ 135,000,000