| Cover | Sep. 13, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 13, 2022 |
| Entity File Number | 000-54530 |
| Entity Registrant Name | GBT TECHNOLOGIES INC. |
| Entity Central Index Key | 0001471781 |
| Entity Tax Identification Number | 27-0603137 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 2450 Colorado Ave. |
| Entity Address, Address Line Two | Suite 100E |
| Entity Address, City or Town | Santa Monica |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 90404 |
| City Area Code | 888 |
| Local Phone Number | 685-7336 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Not applicable. |
| Entity Emerging Growth Company | false |
