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Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2016	Sep. 30, 2016
Derivative [Line Items]
Revenues other than USD	50.00%
Teva other comprehensive loss	$ 493
Forward starting interest rate swaps and treasury lock agreements losses	8	$ 7
Interest Rate Swap Gain	1	2
Gain from currency swap	1	$ 2
Cash received on settlement of position	3
Cost of sales [Member]
Derivative [Line Items]
Teva other comprehensive loss	5
Derivative, Gain on Derivative	$ 60
Senior Notes Due 2023 Two [Member]
Derivative [Line Items]
Notional amount hedge debt				$ 500	$ 500	$ 3,000
Previously hedge debt rate				2.80%	2.80%
Settlement gain position				$ 10
Cash received on settlement of position				$ 10
Senior Notes Due 2021 [Member]
Derivative [Line Items]
Notional amount hedge debt			$ 588
Previously hedge debt rate	3.65%		3.65%
Cash received on settlement of position	$ 95		$ 95
Senior Notes Due 2020 [Member]
Derivative [Line Items]
Cash received on settlement of position	500
Cross Currency Interest Rate Contract [Member]
Derivative [Line Items]
Notional amount hedge debt	1,000
Cash received on settlement of position	$ 3

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- Definition

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+ References

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- Definition

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- Definition

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Revenues other than US Dollar.

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- Definition

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
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