Quarterly report pursuant to Section 13 or 15(d)

Cover Page

v3.22.2
Cover Page - shares
6 Months Ended
Jun. 30, 2022
Aug. 11, 2022
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2022  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Entity Registrant Name BLACK MOUNTAIN ACQUISITION CORP.  
Entity Central Index Key 0001848020  
Entity File Number 001-40907  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity Interactive Data Current Yes  
Entity Shell Company true  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Document Quarterly Report true  
Document Transition Report false  
Entity Tax Identification Number 86-2013849  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 425 Houston Street  
Entity Address, Address Line Two Suite 4500  
Entity Address, City or Town Fort Worth  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 76102  
City Area Code 817  
Local Phone Number 698-9901  
Capital Units [Member]    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one share of Class A common stock, $0.0001 par value, and three quarters of one warrant  
Trading Symbol BMAC.U  
Security Exchange Name NYSE  
Common Class A [Member]    
Document Information [Line Items]    
Title of 12(b) Security Class A common stock, par value $0.0001 per share  
Trading Symbol BMAC  
Security Exchange Name NYSE  
Entity Common Stock, Shares Outstanding   27,600,000
Warrant [Member]    
Document Information [Line Items]    
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 per share  
Trading Symbol BMAC WS  
Security Exchange Name NYSE  
Common Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   6,900,000