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Derivative Instruments and Hedging Activities - Summary of Classification and Fair Values of Derivative Instruments (Detail) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Assets [Member]    
Derivative [Line Items]    
Asset derivatives $ 0 $ 0
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Liabilities [Member]    
Derivative [Line Items]    
Liability derivatives 0 0
Designated as Hedging Instrument [Member] | Cross Currency Swap Cash Flow Hedge [Member] | Other Non-current Assets [Member]    
Derivative [Line Items]    
Asset derivatives [1] 8 0
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Assets [Member]    
Derivative [Line Items]    
Asset derivatives 38 29
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Liabilities [Member]    
Derivative [Line Items]    
Liability derivatives (39) (101)
Not Designated as Hedging Instrument [Member] | Cross Currency Swap Cash Flow Hedge [Member] | Other Non-current Assets [Member]    
Derivative [Line Items]    
Asset derivatives [1] $ 0 $ 0
[1] On March 31, 2023, Teva entered into a cross-currency interest rate swap agreement, designated as cash flow hedge for accounting purposes with respect to an intercompany loan due October 2026, denominated in Japanese yen.