Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.22.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2022
Aug. 01, 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  
Document Quarterly Report true  
Document Transition Report false  
Entity Registrant Name GENERATION ASIA I ACQUISITION LIMITED  
Entity Central Index Key 0001852061  
Entity Current Reporting Status Yes  
Current Fiscal Year End Date --12-31  
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 Interactive Data Current Yes  
Entity File Number 001-41239  
Entity Tax Identification Number 98-1588665  
Entity Address, Address Line One Boundary Hall  
Entity Address, Address Line Two Cricket Square  
Entity Address, City or Town Grand Cayman  
Entity Address, State or Province KY  
Entity Address, Postal Zip Code KY1-1102  
City Area Code 345  
Local Phone Number 814-5580  
Entity Incorporation, State or Country Code E9  
One Class A Ordinary Share and One-half of One Redeemable Warrant    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant  
Trading Symbol GAQ.U  
Security Exchange Name NYSE  
Class A Ordinary Shares    
Document Information [Line Items]    
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share  
Trading Symbol GAQ  
Security Exchange Name NYSE  
Entity Common Stock, Shares Outstanding   21,930,000
Redeemable Warrants Included as Part of Units, each Whole Warrant Exercisable for One Class A Ordinary Share at an Exercise Price of $11.50    
Document Information [Line Items]    
Title of 12(b) Security Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50  
Trading Symbol GAQWS  
Security Exchange Name NYSE  
Class B Ordinary Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   7,482,500