v3.26.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2025
Mar. 25, 2026
Jun. 30, 2025
Cover [Abstract]      
Entity Registrant Name GLOBAL ASSET MANAGEMENT GROUP, INC.    
Entity Central Index Key 0000055234    
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 false    
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 Common Stock Shares Outstanding   340,152,858  
Entity Public Float     $ 2,225,600
Document Annual Report true    
Document Transition Report false    
Document Fin Stmt Error Correction Flag false    
Entity File Number 0-08962    
Entity Incorporation State Country Code WY    
Entity Tax Identification Number 84-1641415    
Entity Address Address Line 1 51 Monroe Street    
Entity Address Address Line 2 Suite 1505    
Entity Address City Or Town Rockville    
Entity Address State Or Province MD    
Entity Address Postal Zip Code 20852    
City Area Code 240    
Icfr Auditor Attestation Flag false    
Local Phone Number 398-8319    
Entity Interactive Data Current Yes    
Auditor Name Lateef Awojobi    
Auditor Firm Id 7057    
Auditor Location Lagos, Nigeria