Document and Entity Information Document - Jun. 30, 2015 - USD ($)	Total
Document and Entity Information [Abstract]
Entity Registrant Name	METTLER TOLEDO INTERNATIONAL INC/
Entity Central Index Key	0001037646
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding	27,699,352
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float	$ 9,458,220,734