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Financial Expenses-Net - Schedule of Financial Expenses (Parenthetical) (Detail) $ in Millions	Dec. 31, 2018 USD ($)
Expenses [Line Items]
Payment for redemption of senior notes	$ 46

X

- Definition

Expenses [Line Items]

+ References

No definition available.

+ Details

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

X

- Definition

Payment for redemption of senior notes.

+ References

No definition available.

+ Details

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