XML 177 R142.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Capital Management - Additional Information (Detail) $ in Billions | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) CreditFacility | Dec. 31, 2016
Disclosure of objectives, policies and processes for managing capital [line items] |  |
Number of revolving credit facilities | CreditFacility | 2 |
Percentage of debt-to-capitalization covenant | 50.00% |
Debt to-capitalization ratio | 25.00% | 32.00%
Debt-to-EBITDA ratio | 1.1 | 2.5
Debt-to-adjusted EBITDA ratio | 1.1 | 2.4
Top of range [member] |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |
Targeted Debt to debt-plus-equity ratio | 30.00% |
Targeted Debt-to-EBITDA ratio | 2.5 |
Revolving credit facilities one [member] |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |
Borrowing capacity under revolving credit facilities | $ 3.0 |
Revolving credit facilities two [member] |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |
Borrowing capacity under revolving credit facilities | $ 1.2 |

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Borrowings maximum borrowing capacity. + References No definition available. + Details
Name: | teck_BorrowingsMaximumBorrowingCapacity
Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt to adjusted EBITDA ratio + References No definition available. + Details
Name: | teck_DebtToAdjustedEBITDARatio
Namespace Prefix: | teck_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt to EBITDA ratio. + References No definition available. + Details
Name: | teck_DebtToEBITDARatio
Namespace Prefix: | teck_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Long-term debt to-capitalization ratio. + References No definition available. + Details
Name: | teck_LongtermDebtToCapitalizationRatio
Namespace Prefix: | teck_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of revolving credit facilities. + References No definition available. + Details
Name: | teck_NumberOfRevolvingCreditFacilities
Namespace Prefix: | teck_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of debt-to-capitalization covenant. + References No definition available. + Details
Name: | teck_PercentageOfDebtToCapitalizationCovenant
Namespace Prefix: | teck_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Targeted long-term debt to long-term debt plus equity ratio. + References No definition available. + Details
Name: | teck_TargetedLongtermDebtToLongtermDebtPlusEquityRatio
Namespace Prefix: | teck_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Targeted Net Debt To EBITDA Ratio + References No definition available. + Details
Name: | teck_TargetedNetDebtToEbitdaRatio
Namespace Prefix: | teck_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=teck_RevolvingCreditFacilitiesOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=teck_RevolvingCreditFacilitiesTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |