| Cover | Sep. 30, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 30, 2023 |
| Entity File Number | 000-56338 |
| Entity Registrant Name | FDCTECH, INC. |
| Entity Central Index Key | 0001722731 |
| Entity Tax Identification Number | 81-1265459 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 200 Spectrum Center Drive |
| Entity Address, Address Line Two | Suite 300 |
| Entity Address, City or Town | Irvine |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92618 |
| City Area Code | (877) |
| Local Phone Number | 445-6047 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common |
| Trading Symbol | FDCT |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
