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Cover
Dec. 15, 2025
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Dec. 15, 2025
Entity Registrant Name Bakkt Holdings, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-39544
Entity Tax Identification Number 41-2324812
Entity Address, Address Line One One Liberty Plaza 1 Liberty Street, Floor 3
Entity Address, Address Line Two Suite 305-306
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10006
City Area Code 678
Local Phone Number 534-5849
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001820302
Amendment Flag false
Common Class A  
Document Information [Line Items]  
Title of 12(b) Security Class A Common Stock, par value $0.0001 per share
Trading Symbol BKKT
Security Exchange Name NYSE
Warrant  
Document Information [Line Items]  
Title of 12(b) Security Warrants to purchase Class A Common Stock
Trading Symbol BKKT WS
Security Exchange Name NYSE