| Cover | Feb. 18, 2025 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 18, 2025 |
| Entity File Number | 001-41389 |
| Entity Registrant Name | ConnectM Technology Solutions, Inc. |
| Entity Central Index Key | 0001895249 |
| Entity Tax Identification Number | 87-2898342 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 2 Mount Royal Avenue |
| Entity Address, Address Line Two | Suite 550 |
| Entity Address, City or Town | Marlborough |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 01752 |
| City Area Code | 617 |
| Local Phone Number | 395-1333 |
| Written Communications | false |
| Soliciting Material | true |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, par value $0.0001 per share |
| Trading Symbol | CNTM |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
