Document and Entity Information |
12 Months Ended |
|---|---|
|
Dec. 31, 2017
shares
| |
| Document - Document and Entity Information [Abstract] | |
| Document Type | 40-F |
| Amendment Flag | false |
| Document Period End Date | Dec. 31, 2017 |
| Document Fiscal Year Focus | 2017 |
| Document Fiscal Period Focus | FY |
| Trading Symbol | CRON |
| Entity Registrant Name | Cronos Group Inc. |
| Entity Central Index Key | 0001656472 |
| Current Fiscal Year End Date | --12-31 |
| Entity Current Reporting Status | Yes |
| Entity Common Stock, Shares Outstanding | 149,360,603 |