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Financial Instruments and Financial Risk Management - Schedule of Effect of Change in Commodity Prices on Profit (Loss) (Detail) $ in Millions | 12 Months Ended
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Dec. 31, 2018 CAD ($) USD_per_Pound | Dec. 31, 2017 CAD ($) USD_per_Pound
Copper [member] |  |
Disclosure of commodity price risk for financial instruments [line items] |  |
Commodity price | 2.70 | 3.26
Copper [member] | Commodity Price Risk [member] |  |
Disclosure of commodity price risk for financial instruments [line items] |  |
Commodity price | 2.70 | 3.26
Change in Profit (Loss) Attributable to Shareholders | $ | $ 21 | $ 35
Zinc [member] |  |
Disclosure of commodity price risk for financial instruments [line items] |  |
Commodity price | 1.12 | 1.50
Zinc [member] | Commodity Price Risk [member] |  |
Disclosure of commodity price risk for financial instruments [line items] |  |
Commodity price | 1.12 | 1.50
Change in Profit (Loss) Attributable to Shareholders | $ | $ 7 | $ 5

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- Definition Commodity price. + References No definition available. + Details
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- Definition Disclosure of commodity price risk for financial instruments. + References No definition available. + Details
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- Definition Effect on profit loss due to change in commodity price. + References No definition available. + Details
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Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
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- Details
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Namespace Prefix: |
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- Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |