XML 48 R18.htm IDEA: XBRL DOCUMENT
v3.21.2

Exploration and Evaluation Assets, Net | 9 Months Ended
--- | ---
Sep. 30, 2021
Disclosure Of Exploration And Evaluation Assets [Abstract] |
Exploration and Evaluation Assets, Net |
12. EXPLORATION AND EVALUATION ASSETS, NET
| Total |
As at December 31, 2020 |  | 623 |
Additions |  | 37 |
Exploration Expense |  | (12) |
Change in Decommissioning Liabilities |  | 8 |
Exchange Rate Movements and Other |  | (1) |
As at September 30, 2021 |  | 655 |

X
- Definition Disclosure of exploration and evaluation assets abstract. + References No definition available. + Details
Name: | cve_DisclosureOfExplorationAndEvaluationAssetsAbstract
Namespace Prefix: | cve_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for exploration and evaluation assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 6 -IssueDate 2021-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IFRS06_g23-25_TI -URIDate 2021-03-24 + Details
Name: | ifrs-full_DisclosureOfExplorationAndEvaluationAssetsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration