v3.26.1
Cover - shares
6 Months Ended
Jun. 30, 2026
Aug. 06, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-40296  
Entity Registrant Name NUVVE HOLDING CORP.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 86-1617000  
Entity Address, Address Line One 2488 Historic Decatur Road, Suite 230  
Entity Address, City or Town San Diego,  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 92106  
City Area Code (619)  
Local Phone Number 456-5161  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   993,794
Amendment Flag false  
Entity Central Index Key 0001836875  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31