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Derivative instruments and hedging activities - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Derivative [Line Items]    
Revenues other than USD 50.00%  
Teva other comprehensive loss $ 493  
Derivative, Loss, Statement of Income or Comprehensive Income [Extensible Enumeration] Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest  
Forward starting interest rate swaps and treasury lock agreements losses $ 11 $ 7
Derivative, Gain on Derivative $ 6 $ 19
Derivative, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration] Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest