v3.26.1
Document and Entity Information
Aug. 11, 2026
Document And Entity Information [Line Items]  
Amendment Flag false
Entity Central Index Key 0001820302
Document Type 8-K
Document Period End Date Aug. 11, 2026
Entity Registrant Name Bakkt, Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-39544
Entity Tax Identification Number 41-2324812
Entity Address, Address Line One 3280 Peachtree Road NE
Entity Address, Address Line Two 7th Floor
Entity Address, City or Town Atlanta
Entity Address, State or Province GA
Entity Address, Postal Zip Code 30305
City Area Code (332)
Local Phone Number 203-3017
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Class A Common Stock, par value $0.0001 per share
Trading Symbol BKKT
Security Exchange Name NYSE
Warrant [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Warrants to purchase Class A Common Stock
Trading Symbol BKKT WS
Security Exchange Name NYSE