XML 163 R129.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Contingencies - Additional Information (Detail) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($)
Disclosure Of Contingencies [abstract] |
Litigation claim by plaintiff | $ 9

X
- Definition Contingent liability litigation claim. + References No definition available. + Details
Name: | teck_ContingentLiabilityLitigationClaim
Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Disclosure Of Contingencies [abstract]. + References No definition available. + Details
Name: | teck_DisclosureOfContingenciesAbstract
Namespace Prefix: | teck_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration