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Income Taxes - Accumulated Other Comprehensive Income/(Loss) (Net of Tax) (Parenthetical) (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Before Income Taxes And Income Tax Expense Benefit [Line Items]
Income before income taxes includes goodwill impairment tax effect	$ 0	$ 0

X

- Definition

Income before income taxes and income tax expense benefit.

+ References

No definition available.

+ Details

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Namespace Prefix:	teva_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration