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Derivative Instruments and Hedging Activities - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Sep. 30, 2016	Dec. 31, 2019	Sep. 30, 2019
Derivative [Line Items]
Revenues other than USD	48.00%
Teva other comprehensive loss	$ 493
Forward starting interest rate swaps and treasury lock agreements losses	7	$ 8
Interest Rate Swap Loss	1
Gain Loss From Currency Swap		0
Cost of sales [Member]
Derivative [Line Items]
Derivative, Gain on Derivative	$ 19	$ 28
Senior Notes Due 2023 Two [Member]
Derivative [Line Items]
Notional amount hedge debt			$ 3,000		$ 500
Previously hedge debt rate					2.80%
Cash received on settlement of position					$ 10
Derivative, Fair Value Hedge, Included in Effectiveness, Gain (Loss)			41
Senior Notes Due 2022 [Member]
Derivative [Line Items]
Notional amount hedge debt			$ 844
Previously hedge debt rate			2.95%
Senior Notes Due 2021 [Member]
Derivative [Line Items]
Notional amount hedge debt			$ 450	$ 588
Previously hedge debt rate			3.65%
Cash received on settlement of position				$ 95
Senior Notes Due 2021 Two [Member]
Derivative [Line Items]
Previously hedge debt rate				3.65%

X

- Definition

Notional amount hedge debt.

+ References

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- Definition

Amount of gain (loss) on derivative instrument designated and qualifying as fair value hedge included in assessment of hedge effectiveness, recognized in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 20
-Section 45
-Paragraph 1A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121577181&loc=SL110061172-113977

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Amount of increase in the fair value of derivatives recognized in the income statement.

+ 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=125515794&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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