v3.25.2
Document And Entity Information - USD ($)
 12 Months Ended
Sep. 30, 2024
Jul. 11, 2025
Document Information Line Items    
Entity Central Index Key 0001879373  
Document Type 10-K/A  
Document Annual Report true  
Current Fiscal Year End Date --09-30  
Document Period End Date Sep. 30, 2024  
Document Fiscal Year Focus 2024  
Document Transition Report false  
Entity File Number 001-41070  
Entity Registrant Name GRAPHJET TECHNOLOGY  
Entity Incorporation, State or Country Code E9  
Entity Tax Identification Number 00-0000000  
Entity Address, Address Line One Lot 3895  
Entity Address, Address Line Two Lorong 6D, Kampung Baru Subang Seksyen U6  
Entity Address, Postal Zip Code 40150  
Entity Address, City or Town Shah Alam Selangor  
Entity Address, Country MY  
City Area Code +60  
Local Phone Number 016 310 0895  
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share  
Trading Symbol GTI  
Security Exchange Name NASDAQ  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
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  
ICFR Auditor Attestation Flag false  
Document Financial Statement Error Correction [Flag] false  
Entity Shell Company false  
Entity Public Float   $ 4,157,775.86
Entity Common Stock, Shares Outstanding   148,037,022
Documents Incorporated by Reference [Text Block] None  
Amendment Description This Amendment No. 1 on Form 10-K/A (this “Amendment”) is being filed solely to amend the Annual Report on Form 10-K of Graphjet Technology (the “Company”) for the fiscal year ended September 30, 2024, originally filed with the U.S. Securities and Exchange Commission on July 15, 2025 (the “Original Filing”), to file, as Exhibit 97.1, the Company’s Clawback Policy.No other changes have been made to the Original Filing. This Amendment does not reflect events occurring after the filing of the Original Filing and does not modify or update any of the other disclosures contained therein in any way.  
Amendment Flag true  
Document Fiscal Period Focus FY