| Cover Page | Mar. 18, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Mar. 18, 2021 |
| Entity Registrant Name | TEREX CORP |
| Entity Central Index Key | 0000097216 |
| Amendment Flag | false |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 1-10702 |
| Entity Tax Identification Number | 34-1531521 |
| Entity Address, Address Line One | 45 Glover Avenue |
| Entity Address, City or Town | Norwalk |
| Entity Address, State or Province | CT |
| Entity Address, Postal Zip Code | 06850 |
| City Area Code | 203 |
| Local Phone Number | 222-7170 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock ($0.01 par value) |
| Trading Symbol | TEX |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
