Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.21.2
Document and Entity Information - shares
2 Months Ended
Mar. 31, 2021
Jul. 02, 2021
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2021  
Entity File Number 001-40427  
Entity Registrant Name GRAF ACQUISITION CORP. IV  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 86-2191918  
Entity Address, Address Line One 1790 Hughes Landing Blvd., Suite 400  
Entity Address, City or Town The Woodlands  
Entity Address State Or Province TX  
Entity Address, Postal Zip Code 77380  
City Area Code 346  
Local Phone Number 442-0819  
Entity Current Reporting Status No  
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 true  
Entity Common Stock, Shares Outstanding   21,451,875
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0001845459  
Amendment Flag false  
Transition Report true  
Units, each consisting of one share of common stock and one-fifth of one redeemable warrant    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one share of common stock and one-fifth of one redeemable warrant  
Trading Symbol GFOR.U  
Security Exchange Name NYSE  
Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common stock, par value $0.0001 per share  
Trading Symbol GFOR  
Security Exchange Name NYSE  
Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50 per share    
Document Information [Line Items]    
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50 per share  
Trading Symbol GFOR WS  
Security Exchange Name NYSE