v3.26.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2025
May 28, 2026
Jun. 30, 2025
Cover [Abstract]      
Entity Registrant Name GOLDENWELL BIOTECH, INC.    
Entity Central Index Key 0001800373    
Document Type 10-K    
Amendment Flag false    
Entity Voluntary Filers No    
Current Fiscal Year End Date --12-31    
Entity Well Known Seasoned Issuer No    
Entity Small Business true    
Entity Shell Company false    
Entity Emerging Growth Company true    
Entity Current Reporting Status Yes    
Document Period End Date Dec. 31, 2025    
Entity Filer Category Non-accelerated Filer    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Entity Ex Transition Period true    
Entity Common Stock Shares Outstanding   99,000,000  
Entity Public Float     $ 14,520,000
Document Annual Report true    
Document Transition Report false    
Document Fin Stmt Error Correction Flag false    
Entity File Number 000-56275    
Entity Incorporation State Country Code NV    
Entity Tax Identification Number 84-2896086    
Entity Address Address Line 1 7316 Capilano Dr.    
Entity Address City Or Town Solon    
Entity Address State Or Province OH    
Entity Address Postal Zip Code 44139    
City Area Code 440    
Icfr Auditor Attestation Flag false    
Auditor Name MICHAEL GILLESPIE & ASSOCIATES, PLLC    
Auditor Firm Id 6104    
Local Phone Number 666-7999    
Entity Interactive Data Current Yes    
Auditor Location Vancouver, Washington