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Goodwill - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Goodwill [Line Items]              
Goodwill impairment     $ 400   $ 1,280 $ 700 $ 2,045
Teva United States Europe International Markets and Medis Reporting [Member]              
Goodwill [Line Items]              
Reporting unit percentage of fair value in excess of carrying amount 10.00%       10.00%    
Tevas United States, Europe, International Markets and Medis reporting units [Member]              
Goodwill [Line Items]              
Reporting unit percentage of fair value in excess of carrying amount     10.00%        
Tevas API Reporting Unit [Member]              
Goodwill [Line Items]              
Goodwill impairment $ 280 $ 600          
International Markets [Member]              
Goodwill [Line Items]              
Goodwill impairment       $ 700 $ 0 $ 700