Cover
Cover - USD ($) | 12 Months Ended | ||
Dec. 31, 2023 | Mar. 22, 2024 | Jun. 30, 2023 | |
Document Type | 10-K/A | ||
Amendment Flag | false | ||
Document Annual Report | true | ||
Document Transition Report | false | ||
Document Period End Date | Dec. 31, 2023 | ||
Document Fiscal Period Focus | FY | ||
Document Fiscal Year Focus | 2023 | ||
Current Fiscal Year End Date | --12-31 | ||
Entity File Number | 001-39281 | ||
Entity Registrant Name | TMC THE METALS COMPANY INC. | ||
Entity Central Index Key | 0001798562 | ||
Entity Tax Identification Number | 00-0000000 | ||
Entity Incorporation, State or Country Code | A1 | ||
Entity Address, Address Line One | 595 Howe Street, 10th Floor | ||
Entity Address, City or Town | Vancouver | ||
Entity Address, State or Province | BC | ||
Entity Address, Postal Zip Code | V6C 2T5 | ||
City Area Code | 574 | ||
Local Phone Number | 252-9333 | ||
Entity Well-known Seasoned Issuer | No | ||
Entity Voluntary Filers | No | ||
Entity Current Reporting Status | Yes | ||
Entity Interactive Data Current | Yes | ||
Entity Filer Category | Non-accelerated Filer | ||
Entity Small Business | true | ||
Entity Emerging Growth Company | true | ||
Elected Not To Use the Extended Transition Period | false | ||
Entity Shell Company | false | ||
Entity Public Float | $ 274,979,313 | ||
Entity Common Stock, Shares Outstanding | 318,249,878 | ||
ICFR Auditor Attestation Flag | false | ||
Document Financial Statement Error Correction [Flag] | false | ||
Auditor Name | Ernst & Young LLP | ||
Auditor Firm ID | 1263 | ||
Auditor Location | Vancouver, Canada | ||
Common Shares, without par value | |||
Title of 12(b) Security | Common Shares, without par value | ||
Trading Symbol | TMC | ||
Security Exchange Name | NASDAQ | ||
Redeemable warrants, each whole warrant exercisable for one Common Share, each at an exercise price of $11.50 per share | |||
Title of 12(b) Security | Redeemable warrants, each whole warrant exercisable for one Common Share, each at an exercise price of $11.50 per share | ||
Trading Symbol | TMCWW | ||
Security Exchange Name | NASDAQ |