Revenue from contracts with customers - Additional Information (Detail)	9 Months Ended
Sep. 30, 2026
United States
Revenue Recognition [Line Items]
Percentage sales reserves and allowances to U.S. customers	70.00%

Sales reserves and allowances to customers percentage.

No definition available.

Name:	teva_SalesReservesAndAllowancesToCustomersPercentage
Namespace Prefix:	teva_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration