XML 153 R119.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Equity - Summary of Class A Common Shares and Class B Subordinate Voting Shares Issued and Outstanding (Detail) shares in Thousands, pure in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 shares | Dec. 31, 2017 shares
Disclosure of classes of share capital [line items] |  |
Options exercised (c) | 3,710 | 2,275
Class A Common Shares [member] |  |
Disclosure of classes of share capital [line items] |  |
Beginning balance | 7,777 | 9,353
Class A shares conversion | (9) | (1,576)
Ending balance | 7,768 | 7,777
Class B Subordinate Voting Shares [member] |  |
Disclosure of classes of share capital [line items] |  |
Beginning balance | 565,506 | 567,546
Class A shares conversion | 9 | 1,576
Options exercised (c) | 3,710 | 2,275
Acquired and cancelled pursuant to normal course issuer bid (h) | (6,300) | (5,891)
Ending balance | 562,925 | 565,506

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_DisclosureOfClassesOfShareCapitalLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of share options exercised in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_iv&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_79_a_iv&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NumberOfSharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares acquired and cancelled pursuant to normal course issuer bid. + References No definition available. + Details
Name: | teck_NumberOfSharesAcquiredAndCancelledPursuantToNormalCourseIssuerBid
Namespace Prefix: | teck_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares converted. + References No definition available. + Details
Name: | teck_NumberOfSharesConverted
Namespace Prefix: | teck_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=teck_ClassACommonSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=teck_ClassBCommonSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |