Revenue from Contracts with Customers - Additional Information (Detail)	3 Months Ended
Mar. 31, 2021
United States [Member]
Revenue Recognition [Line Items]
Percentage sales reserves and allowances to U.S. customers	79.00%

Sales reserves and allowances to customers percentage.

No definition available.

Name:	teva_SalesReservesAndAllowancesToCustomersPercentage
Namespace Prefix:	teva_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration