Organization and Description of Business	9 Months Ended
Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Description of Business	Organization and Description of Business Description of Business Nuvve Holding Corp., a Delaware corporation headquartered in San Diego, California (the “Company” or “Nuvve”), was founded on November 10, 2020 under the laws of the state of Delaware. On March 19, 2021, the Company (at the time known as NB Merger Corp.) acquired the outstanding shares of Nuvve Corporation (“Nuvve Corp.”), and the Company changed its name to Nuvve Holding Corp. Structure of the Company Nuvve has two wholly owned subsidiaries, Nuvve Corp. and Nuvve Pennsylvania LLC. Nuvve Corp. has four wholly owned subsidiaries: (1) Nuvve Denmark ApS, (“Nuvve Denmark”), a company registered in Denmark, (2) Nuvve SaS, a company registered in France, (3) Nuvve KK (Nuvve Japan), a company registered in Japan, and (4) Nuvve LTD, a company registered in United Kingdom. Nuvve Norway, a company registered in Norway is a branch of Nuvve Denmark. In March 2020, following the establishment of its investment in Dreev S.A.S. ("Dreev") in 2019 (Note 6), the Company ceased operations of its subsidiary, Nuvve SaS in France. The two employees of Nuvve SaS resigned from the Company in March 2020 and were concurrently hired by Dreev. Financial results for Nuvve SaS are included in the Company’s financial results through the cessation of operations. On August 4, 2021, the Company formed Levo Mobility LLC, a Delaware limited liability company ("Levo"), with Stonepeak Rocket Holdings LP, a Delaware limited partnership ("Stonepeak"), and Evolve Transition Infrastructure LP, a Delaware limited partnership ("Evolve"). Levo is a consolidated entity of the Company. Please see Note 2 for the principles of consolidation. Levo is a sustainable infrastructure company focused on rapidly advancing the electrification of transportation by funding vehicle-to-grid ("V2G") enabled Electric Vehicle ("EV") fleet deployments. Levo utilizes Nuvve’s V2G technology and committed capital from Stonepeak and Evolve to offer Fleet-as-a-Service for school buses, last-mile delivery, ride hailing and ride sharing, municipal services, and more to eliminate the primary barriers to EV fleet adoption including large upfront capital investments and lack of expertise in securing and managing EVs and associated charging infrastructure. Levo's turnkey solution simplifies and streamlines electrification, can lower the total cost of EV operation for fleet owners, and supports the grid when the EVs are not in use. For a fixed monthly payment with no upfront cost, Levo will provide the EVs, such as electric school buses, charging infrastructure powered by Nuvve’s V2G platform, EV and charging station maintenance, energy management, and technical advice. Levo initially focuses on electrifying school buses, providing associated charging infrastructure, and delivering V2G services to enable safer and healthier transportation for children while supporting carbon dioxide emission reduction, renewable energy integration, and improved grid resiliency.

Nuvve Holding Corp., a Delaware corporation headquartered in San Diego, California (the “Company” or “Nuvve”), was founded on November 10, 2020 under the laws of the state of Delaware. On March 19, 2021, the Company (at the time known as NB Merger Corp.) acquired the outstanding shares of Nuvve Corporation (“Nuvve Corp.”), and the Company changed its name to Nuvve Holding Corp.

Nuvve has two wholly owned subsidiaries, Nuvve Corp. and Nuvve Pennsylvania LLC. Nuvve Corp. has four wholly owned subsidiaries: (1) Nuvve Denmark ApS, (“Nuvve Denmark”), a company registered in Denmark, (2) Nuvve SaS, a company registered in France, (3) Nuvve KK (Nuvve Japan), a company registered in Japan, and (4) Nuvve LTD, a company registered in United Kingdom. Nuvve Norway, a company registered in Norway is a branch of Nuvve Denmark. In March 2020, following the establishment of its investment in Dreev S.A.S. ("Dreev") in 2019 (Note 6), the Company ceased operations of its subsidiary, Nuvve SaS in France. The two employees of Nuvve SaS resigned from the Company in March 2020 and were concurrently hired by Dreev. Financial results for Nuvve SaS are included in the Company’s financial results through the cessation of operations.

On August 4, 2021, the Company formed Levo Mobility LLC, a Delaware limited liability company ("Levo"), with Stonepeak Rocket Holdings LP, a Delaware limited partnership ("Stonepeak"), and Evolve Transition Infrastructure LP, a Delaware limited partnership ("Evolve"). Levo is a consolidated entity of the Company. Please see Note 2 for the principles of consolidation.

Levo is a sustainable infrastructure company focused on rapidly advancing the electrification of transportation by funding vehicle-to-grid ("V2G") enabled Electric Vehicle ("EV") fleet deployments. Levo utilizes Nuvve’s V2G technology and committed capital from Stonepeak and Evolve to offer Fleet-as-a-Service for school buses, last-mile delivery, ride hailing and ride sharing, municipal services, and more to eliminate the primary barriers to EV fleet adoption including large upfront capital investments and lack of expertise in securing and managing EVs and associated charging infrastructure.

Levo's turnkey solution simplifies and streamlines electrification, can lower the total cost of EV operation for fleet owners, and supports the grid when the EVs are not in use. For a fixed monthly payment with no upfront cost, Levo will provide the EVs, such as electric school buses, charging infrastructure powered by Nuvve’s V2G platform, EV and charging station maintenance, energy management, and technical advice.

Levo initially focuses on electrifying school buses, providing associated charging infrastructure, and delivering V2G services to enable safer and healthier transportation for children while supporting carbon dioxide emission reduction, renewable energy integration, and improved grid resiliency.