v3.26.3
Cover - shares
9 Months Ended
Sep. 30, 2026
Nov. 13, 2026
Cover [Abstract]    
Entity Registrant Name GREEN PLANET BIOENGINEERING CO., LTD.  
Entity Central Index Key 0001392449  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Small Business true  
Entity Shell Company true  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Document Period End Date Sep. 30, 2026  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2026  
Entity Common Stock Shares Outstanding   20,006,402
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 000-52622  
Entity Incorporation State Country Code DE  
Entity Tax Identification Number 37-1532842  
Entity Address Address Line 1 20807 Biscayne Blvd.  
Entity Address Address Line 2 Suite 203  
Entity Address City Or Town Aventura  
Entity Address State Or Province FL  
Entity Address Postal Zip Code 33180  
City Area Code 786  
Local Phone Number 279-2900