XML 82 R47.htm IDEA: XBRL DOCUMENT
v3.20.4

Non-Operating Income (Expense) (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Analysis of income and expense [abstract] |
Schedule of Non-Operating Income (Expense) |
(CAD$ in millions) |  | 2020 |  | 2019
Foreign exchange losses |  | $ | (2) |  |  | $ | (4) |
Gain on debt prepayment option (Note 30(b)) |  | — |  |  | 105 |
Loss on debt redemption or purchase (Note 19(b)) |  | (11) |  |  | (224) |
Other |  | 56 |  |  | 26 |
|  | $ | 43 |  |  | $ | (97) |

X
- References No definition available. + Details
Name: | ifrs-full_AnalysisOfIncomeAndExpenseAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of Other non-operating losses / (gains). + References No definition available. + Details
Name: | teck_DisclosureOfDetailedInformationOfNonOperatingIncomeExpenseExplanatoryTableTextBlock
Namespace Prefix: | teck_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration