Cover - shares shares in Millions	9 Months Ended
	Sep. 30, 2019	Oct. 28, 2019
Cover page.
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Entity File Number	1-10702
Entity Registrant Name	Terex Corporation
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	34-1531521
Entity Address, Address Line One	200 Nyala Farm Road
Entity Address, City or Town	Westport
Entity Address, State or Province	CT
Entity Address, Postal Zip Code	06880
City Area Code	203
Local Phone Number	222-7170
Title of 12(b) Security	Common Stock ($0.01 par value)
Trading Symbol	TEX
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		71.3
Entity Central Index Key	0000097216
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Amendment Flag	false