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Revenue from Contracts with Customers - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2019
United States [Member] |
Revenue Recognition [Line Items] |
Percentage sales reserves and allowances to U.S. customers | 83.00%

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- Definition Revenue Recognition [Line Items] + References No definition available. + Details
Name: | teva_RevenueRecognitionLineItems
Namespace Prefix: | teva_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Sales reserves and allowances to customers percentage. + References No definition available. + Details
Name: | teva_SalesReservesAndAllowancesToCustomersPercentage
Namespace Prefix: | teva_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |