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NOTE 2 -SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Loss Attributed to Common Stockholders of IQSTEL (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Accounting Policies [Abstract]        
Net loss attributed to IQSTEL Inc. $ (2,466,830) $ (923,788) $ (6,031,766) $ (3,741,707)
Undeclared divided on Series D Preferred Stock (13,916) (13,916)
Net loss attributed to common stockholders of IQSTEL Inc. $ (2,480,746) $ (923,788) $ (6,045,682) $ (3,741,707)
Weighted average number of common shares outstanding - Basic and diluted 3,635,616 2,303,557 3,076,480 2,241,409
Basic and diluted loss per common share $ (0.68) $ (0.40) $ (1.97) $ (1.67)