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Commitments and Contingencies - Commitments - Additional Information (Detail) - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Commitment And Contingencies [Line Items] |  |  |
Royalty expense | $ 403,000,000 | $ 536,000,000 | $ 956,000,000
Maximum [Member] |  |  |
Commitment And Contingencies [Line Items] |  |  |
Milestone contingent expense | $ 426,000,000 |  |

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- Definition Commitment And Contingencies [Line Items] + References No definition available. + Details
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- Definition Milestone Contingent Payments + References No definition available. + Details
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Namespace Prefix: | teva_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_RoyaltyExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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