Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.24.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2023
Apr. 01, 2024
Mar. 29, 2024
Jun. 30, 2023
Document Information [Line Items]        
Document Type 10-K      
Amendment Flag false      
Document Period End Date Dec. 31, 2023      
Document Fiscal Year Focus 2023      
Document Fiscal Period Focus FY      
Document Annual Report true      
Document Transition Report false      
Entity Registrant Name GENERATION ASIA I ACQUISITION LIMITED      
Entity Central Index Key 0001852061      
Entity Current Reporting Status Yes      
Entity Voluntary Filers No      
Current Fiscal Year End Date --12-31      
Entity Filer Category Non-accelerated Filer      
Entity Well-known Seasoned Issuer No      
Entity Public Float       $ 230,703,600
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, Country KY      
Entity Address, Postal Zip Code KY1-1102      
City Area Code 345      
Local Phone Number 814-5580      
Entity Incorporation, State or Country Code E9      
ICFR Auditor Attestation Flag false      
Document Financial Statement Error Correction [Flag] false      
Auditor Name Marcum Asia CPAs LLP      
Auditor Location New York, NY      
Auditor Firm ID 5395      
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, $0.0001 par value, 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      
Trading Symbol GAQ      
Security Exchange Name NYSE      
Entity Common Stock, Shares Outstanding   7,699,729    
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