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Commitments and Contingencies - Contingencies - Additional Information (Detail)
€ in Millions
 1 Months Ended 9 Months Ended 12 Months Ended 48 Months Ended
Feb. 04, 2022
USD ($)
Jan. 27, 2022
USD ($)
Aug. 05, 2021
USD ($)
Jul. 21, 2021
USD ($)
Feb. 11, 2021
USD ($)
Oct. 21, 2019
USD ($)
May 31, 2019
USD ($)
Sep. 30, 2013
USD ($)
Apr. 30, 2013
USD ($)
Aug. 31, 2012
USD ($)
Dec. 31, 2010
USD ($)
Sep. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2014
USD ($)
Aug. 21, 2021
USD ($)
Dec. 31, 2021
EUR (€)
Jul. 08, 2021
USD ($)
Jan. 31, 2019
USD ($)
Jul. 31, 2008
USD ($)
Feb. 28, 2005
USD ($)
Commitment And Contingencies [Line Items]                                            
Damages assessment                         $ 235,500,000                  
Annual sales at the time of settlement                         700,000,000             $ 350,000,000    
Annual sales of Effexor                                 $ 2,600,000,000          
Annual sales of Lamictal                                         $ 2,300,000,000 $ 950,000,000
Annual sales of Niaspan               $ 1,100,000,000 $ 416,000,000                          
Annual sales of Actos                   $ 2,800,000,000 $ 3,700,000,000                      
Annual sales of Acto plus                   $ 430,000,000 $ 500,000,000                      
Annual Sales Of Sensipar                             $ 1,400,000,000              
Annual sales of Copaxone                               $ 373,000,000            
Generic modafinil, and imposed fines amount                         2,710,000,000 $ 1,625,000,000       € 60.5        
Loss Contingency Accrual, Provision     $ 235,500,000                                      
Annual sales of Narcan                         420,000,000                  
Annual sales of the time of settlement of viread                         582,000,000                  
Annual sales of the time of settlement of Truvada                         2,400,000,000                  
Annual sales of the time of settlement of Atripla                         2,900,000,000                  
Annual sales of the time of New launch of viread                         728,000,000                  
Annual sales of the time of New launch of Truvada                         2,100,000,000                  
Annual sales of the time of New launch of Atripla                         444,000,000                  
Annual sales of Colcrys                         187,000,000                  
Loss Contingency Claims Dismissed Value                       $ 925,000                    
Litigation Settlement, Expense   $ 420,000,000                     717,000,000 $ 60,000,000                
Accrual for Environmental Loss Contingencies                         $ 300,000                  
Loss Contingencies On Environmental Laws Penalty                                     $ 1,400,000      
Attorney General Of Louisana [Member]                                            
Commitment And Contingencies [Line Items]                                            
Litigation Settlement Amount DistributableIn Kind         $ 3,000,000                                  
Four Other Defendants Other Than Teva Member                                            
Commitment And Contingencies [Line Items]                                            
Loss contingency payment       $ 26,000,000,000                                    
Litigation settlement amount awarded distribution period       18 years                                    
Subsequent Event [Member]                                            
Commitment And Contingencies [Line Items]                                            
Percentage of population of subdivisions will formally release as a part of settlement 96                                          
Subsequent Event [Member] | Attorney General Of Louisana [Member]                                            
Commitment And Contingencies [Line Items]                                            
Litigation Settlement Amount DistributableIn Kind $ 75,000,000                                          
Opioid Litigation [Member]                                            
Commitment And Contingencies [Line Items]                                            
Litigation settlement amount         $ 15,000,000 $ 25,000,000 $ 85,000,000                              
Litigation settlement amount awarded cash amount           $ 20,000,000                                
Litigation settlement amount awarded cash amount distribution period         18 years                                  
Opioid Litigation [Member] | Subsequent Event [Member]                                            
Commitment And Contingencies [Line Items]                                            
Litigation settlement amount $ 150,000,000                                          
Litigation settlement amount awarded cash amount distribution period 15 years                                          
Europe [Member]                                            
Commitment And Contingencies [Line Items]                                            
Damage claimed                       50,000,000                    
Eosinophilic Esophagitis [Member]                                            
Commitment And Contingencies [Line Items]                                            
Damage claimed                       200,000,000                    
Eosinophilic Esophagitis [Member] | United States [Member]                                            
Commitment And Contingencies [Line Items]                                            
Damage claimed                       $ 150,000,000                    
AndroGel Rate at 1% [Member]                                            
Commitment And Contingencies [Line Items]                                            
Annual sales at the time of settlement                                       $ 140,000,000