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v3.20.2

Certain Transactions - Other Transactions - Additional Information (Detail) - USD ($) $ in Millions |  |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Jan. 08, 2018 | May 12, 2017 | Sep. 30, 2016 | Mar. 31, 2020 | Sep. 30, 2016 | Oct. 31, 2016
Alder [Member] |  |  |  |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |  |  |  |
Upfront payment | $ 25 |  |  |  |  |
Milestone payment |  |  |  | $ 25 |  |
Collaborative agreement milestone payments | $ 150 |  |  |  |  |
Otsuka [Member] |  |  |  |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |  |  |  |
Upfront payment |  | $ 50 |  |  |  |
Celltrion [Member] |  |  |  |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |  |  |  |
Refundable payment |  |  |  |  |  | $ 60
Total associated cost |  |  |  |  |  | $ 160
Regeneron [Member] |  |  |  |  |  |
Noncash or Part Noncash Acquisitions [Line Items] |  |  |  |  |  |
Upfront payment |  |  |  |  | $ 250 |
Research and development costs |  |  | $ 1,000 |  |  |

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- Definition Collaborative Agreement Milestone Payments + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Milestone payment. + References No definition available. + Details
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Namespace Prefix: | teva_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Refundable Payment + References No definition available. + Details
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Namespace Prefix: | teva_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Research And Development Costs + References No definition available. + Details
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Namespace Prefix: | teva_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Total Associated Cost + References No definition available. + Details
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Namespace Prefix: | teva_
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Balance Type: | debit
Period Type: | instant

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- Definition Upfront payments + References No definition available. + Details
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Namespace Prefix: | teva_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Data Type: | xbrli:stringItemType
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |