v3.25.2
Cover - shares
 9 Months Ended
Jun. 30, 2025
Jul. 25, 2025
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Jun. 30, 2025  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2025  
Current Fiscal Year End Date --09-30  
Entity File Number 333-169805  
Entity Registrant Name KUN PENG INTERNATIONAL LTD.  
Entity Central Index Key 0001502557  
Entity Tax Identification Number 32-0538640  
Entity Incorporation, State or Country Code NV  
Entity Address, Address Line One 1F, Building 3, No 1001 Huihe South Street  
Entity Address, Address Line Two Banbidian Village  
Entity Address, Address Line Three Gaobeidian Town, Chaoyang District  
Entity Address, City or Town Beijing  
Entity Address, Country CN  
Entity Address, Postal Zip Code 100025  
City Area Code +86  
Local Phone Number 1087227012  
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  
Elected Not To Use the Extended Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   400,000,000