Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2020	Nov. 12, 2020
Document And Entity Information
Entity Registrant Name	GBT Technologies Inc.
Entity Central Index Key	0001471781
Document Type	10-Q
Document Period End Date	Sep. 30, 2020
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity's Reporting Status Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Shell Company	false
Entity File Number	000-54530
Entity Interactive Data Current	Yes
Entity Incorporation, State or Country Code	NV
Entity Common Stock, Shares Outstanding		232,329,826
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2020