Collaborative Agreement Milestone Payments

No definition available.

Name:	teva_CollaborativeAgreementMilestonePayments
Namespace Prefix:	teva_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Milestone payment.

+ References

No definition available.

+ Details

Name:	teva_MilestonePayment
Namespace Prefix:	teva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Refundable Payment

+ References

No definition available.

+ Details

Name:	teva_RefundablePayment
Namespace Prefix:	teva_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Research And Development Costs

+ References

No definition available.

+ Details

Name:	teva_ResearchAndDevelopmentCosts
Namespace Prefix:	teva_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Total Associated Cost

+ References

No definition available.

+ Details

Name:	teva_TotalAssociatedCost
Namespace Prefix:	teva_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Upfront payments

+ References

No definition available.

+ Details

Name:	teva_UpfrontPayments
Namespace Prefix:	teva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseOptionToExtend
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- 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

Name:	us-gaap_NoncashOrPartNoncashAcquisitionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

+ Details

Name:	us-gaap_OperatingLeaseLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

+ Details

Name:	us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_LeaseContractualTermAxis=teva_TelavivHeadquartersLeaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=teva_AlderMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=teva_OtsukaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=teva_CelltrionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=teva_RegeneronMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=teva_AlvotechMember
Namespace Prefix:
Data Type:	na
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Certain Transactions - Other Transactions - Additional Information (Detail) - USD ($) $ in Millions			1 Months Ended	3 Months Ended			9 Months Ended	12 Months Ended
	Jan. 08, 2018	May 12, 2017	Sep. 30, 2016	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2016	Sep. 30, 2020	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019
Noncash or Part Noncash Acquisitions [Line Items]
Operating lease right-of-use assets				$ 557			$ 557			$ 514
Tel-Aviv Headquarters Lease Agreement [Member]
Noncash or Part Noncash Acquisitions [Line Items]
Operating lease right-of-use assets				74			74
Operating lease liability				$ 66			$ 66
Lessee, operating lease, term of contract				12 years 6 months			12 years 6 months
Lessee, operating lease, option to extend				with an option for three extensions
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
Milestone payment				$ 15
Celltrion [Member]
Noncash or Part Noncash Acquisitions [Line Items]
Refundable payment				60			$ 60
Total associated cost				$ 160			160
Regeneron [Member]
Noncash or Part Noncash Acquisitions [Line Items]
Upfront payment						$ 250
Collaborative agreement milestone payments			$ 2,230					$ 120	$ 120
Research and development costs			$ 1,000
Alvotech [Member]
Noncash or Part Noncash Acquisitions [Line Items]
Collaborative agreement milestone payments							$ 490