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Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Sep. 30, 2016
Jun. 30, 2022
Jun. 30, 2021
Sep. 30, 2019
Derivative [Line Items]            
Revenues other than USD 48.00%     48.00%    
Teva other comprehensive loss       $ 493    
Forward starting interest rate swaps and treasury lock agreements losses $ 7 $ 8   15 $ 16  
Interest Rate Swap Loss $ 1 $ 1   2 1  
Cost of sales [Member]            
Derivative [Line Items]            
Derivative, Gain on Derivative       $ 35 $ 13  
Senior Notes Due 2023 Two [Member]            
Derivative [Line Items]            
Notional amount hedge debt     $ 3,000     $ 500
Previously hedge debt rate           2.80%
Cash received on settlement of position           $ 10
Derivative, Fair Value Hedge, Included in Effectiveness, Gain (Loss)     41      
Senior Notes Due 2022 [Member]            
Derivative [Line Items]            
Notional amount hedge debt     $ 844      
Previously hedge debt rate     2.95%      
Senior Notes Due 2021 [Member]            
Derivative [Line Items]            
Notional amount hedge debt     $ 450      
Previously hedge debt rate     3.65%