Cover - shares	9 Months Ended
	Sep. 30, 2023	Nov. 10, 2023
Document Information [Line Items]
Document Type	10-Q/A
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	001-39544
Entity Registrant Name	BAKKT HOLDINGS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	98-1550750
Entity Address, Address Line One	10000 Avalon Boulevard
Entity Address, Address Line Two	Suite 1000
Entity Address, City or Town	Alpharetta
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	30009
City Area Code	678
Local Phone Number	534-5849
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Amendment Description	Bakkt Holdings, Inc. (Bakkt,” “we,” “us,” “our,” or the “Company”) is filing this Amendment No. 3 to its Quarterly Report on Form 10-Q/A for the quarterly period ended September 30, 2023 (this “Amended Form 10-Q” or “10-Q/A”), as originally filed with the U.S. Securities and Exchange Commission (the “SEC”) on November 14, 2023 (the “Original Form 10-Q”). As noted below, the disclosure updates to the Original Form 10-Q included in Part II, Item 1A and Item 5 in Amendments No. 1 and 2 are restated, except as otherwise noted below, in this Amendment No. 3 for completeness.This Amended Form 10-Q is presented as of the filing date of the Original Form 10-Q and does not (i) reflect events occurring after that date, except with respect to the information regarding our ability to continue as a going concern and certain business updates, each as noted below, or (ii) modify or update disclosures in any way other than as required to reflect the amendment and restatement as described below. Accordingly, this Amended Form 10-Q should be read in conjunction with the Original Form 10-Q and our filings with the SEC subsequent to the date on which we filed the Original Form 10-Q.
Amendment Flag	true
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--12-31
Entity Central Index Key	0001820302
Class A Common Stock
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
Entity Common Stock, Shares Outstanding		91,429,477
Class V Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		183,234,872
Warrants
Document Information [Line Items]
Title of 12(b) Security	Warrants to purchase Class A Common Stock
Trading Symbol	BKKT WS
Security Exchange Name	NYSE
Entity Common Stock, Shares Outstanding		7,140,808