Document and Entity Information	12 Months Ended
	Dec. 31, 2020
Document And Entity Information
Entity Registrant Name	GBT Technologies Inc.
Entity Central Index Key	0001471781
Document Type	S-1
Amendment Flag	false
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Incorporation, State or Country Code	NV