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Significant Accounting Policies - Additional information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Significant Accounting Policies [Line Items]      
Percentage of consolidated sales in North America 49.00%    
Shipping and handling costs, which are included in selling and marketing expenses $ 119 $ 124 $ 118
Advertising expense $ 259 $ 162 $ 168
Operating lease description Teva determines if an arrangement is a lease at inception. Lease classification is governed by five criteria in ASC 842-10-25-2. If any of these five criteria is met, Teva classifies the lease as a finance lease. Otherwise, Teva classifies the lease as an operating lease. When determining lease classification, Teva’s approach in assessing two of the mentioned criteria is: (i) generally, 75% or more of the remaining economic life of the underlying asset is a major part of the remaining economic life of that underlying asset; and (ii) generally, 90% or more of the fair value of the underlying asset comprises substantially all of the fair value of the underlying asset.    
Minimum [Member]      
Significant Accounting Policies [Line Items]      
Operating lease remaining lease term 1 year    
Maximum [Member]      
Significant Accounting Policies [Line Items]      
Operating lease remaining lease term 76 years    
Building [Member]      
Significant Accounting Policies [Line Items]      
Property plant and equipment useful life 40 years    
Other Machinery and Equipment [Member]      
Significant Accounting Policies [Line Items]      
Property plant and equipment useful life 20 years    
Other Capitalized Property Plant and Equipment [Member] | Minimum [Member]      
Significant Accounting Policies [Line Items]      
Property plant and equipment useful life 5 years    
Other Capitalized Property Plant and Equipment [Member] | Maximum [Member]      
Significant Accounting Policies [Line Items]      
Property plant and equipment useful life 10 years