TECK RESOURCES LTD (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line	Label	Object Class	Period Type	Balance	Report ElementName
1	1001 - Document - Document and Entity Information	Network	*	*	http://www.teck.com/taxonomy/role/DocumentandEntityInformation
2	Document Information [Table]	Table	*	*	dei:DocumentInformationTable
3	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
4	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
5	Class A Common Shares [member]	Member			teck:ClassACommonSharesMember
6	Class B Subordinate Voting Shares [member]	Member			teck:ClassBCommonSharesMember
7	Document Information [Line Items]	LineItems			dei:DocumentInformationLineItems
8	Document Type	Concept (Submission Type)	For Period		dei:DocumentType
9	Amendment Flag	Concept (Yes/No)	For Period		dei:AmendmentFlag
10	Document Period End Date	Concept (Date)	For Period		dei:DocumentPeriodEndDate
11	Document Fiscal Year Focus	Concept (Year)	For Period		dei:DocumentFiscalYearFocus
12	Document Fiscal Period Focus	Concept (Fiscal Period)	For Period		dei:DocumentFiscalPeriodFocus
13	Trading Symbol	Concept (Text/String)	For Period		dei:TradingSymbol
14	Entity Registrant Name	Concept (Text/String)	For Period		dei:EntityRegistrantName
15	Entity Central Index Key	Concept (CIK Number)	For Period		dei:EntityCentralIndexKey
16	Current Fiscal Year End Date	Concept (Month/Day)	For Period		dei:CurrentFiscalYearEndDate
17	Entity Current Reporting Status	Concept (Yes/No)	For Period		dei:EntityCurrentReportingStatus
18	Entity Emerging Growth Company	Concept (Yes/No)	For Period		dei:EntityEmergingGrowthCompany
19	Entity Common Stock, Shares Outstanding	Concept (Shares)	As Of		dei:EntityCommonStockSharesOutstanding
20	1003 - Statement - Consolidated Statements of Income	Network	*	*	http://www.teck.com/taxonomy/role/StatementOfComprehensiveIncomeProfitOrLossByNatureOfExpense-320000
21	Implied Table	Table	*	*	implied:Table
22	Profit or loss [abstract]	Abstract			ifrs-full:IncomeStatementAbstract
23	Revenues	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
24	Cost of sales	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
25	Gross profit	Concept (Monetary)	For Period	Credit	ifrs-full:GrossProfit
26	Other operating income (expenses)	Abstract			teck:OtherOperatingIncomeExpenseAbstract
27	General and administration	Concept (Monetary)	For Period	Debit	ifrs-full:SellingGeneralAndAdministrativeExpense
28	Exploration	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseArisingFromExplorationForAndEvaluationOfMineralResources
29	Research and development	Concept (Monetary)	For Period	Debit	ifrs-full:ResearchAndDevelopmentExpense
30	Impairment reversal and (asset impairments) (Note 8)	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
31	Other operating income (expense) (Note 9)	Concept (Monetary)	For Period	Credit	ifrs-full:OtherOperatingIncomeExpense
32	Profit (loss) from operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
33	Finance income (Note 10)	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
34	Finance expense (Note 10)	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
35	Non-operating income (expense) (Note 11)	Concept (Monetary)	For Period	Credit	teck:NonOperatingIncomeExpense1
36	Share of income (loss) of associates and joint ventures(Note 15)	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
37	Profit (loss) before taxes	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
38	Provision for income taxes (Note 20)	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
39	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
40	Profit attributable to:	Abstract			ifrs-full:ProfitLossAttributableToAbstract
41	Shareholders of the company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
42	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
43	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
44	Earnings per share (Note 23(f))	Abstract			ifrs-full:EarningsPerShareAbstract
45	Basic	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
46	Diluted	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
47	Weighted average shares outstanding (millions)	Concept (Shares)	For Period		ifrs-full:WeightedAverageShares
48	Weighted average diluted shares outstanding (millions)	Concept (Shares)	For Period		teck:WeightedAverageNumberOfDilutedSharesOutstanding1
49	Shares outstanding at end of year (millions)	Concept (Shares)	For Period		teck:SharesOutstandingAtEndOfYear
50	1004 - Statement - Consolidated Statements of Comprehensive Income	Network	*	*	http://www.teck.com/taxonomy/role/StatementOfComprehensiveIncomeOCIComponentsPresentedNetOfTax-410000
51	Implied Table	Table	*	*	implied:Table
52	Statement of comprehensive income [abstract]	Abstract			ifrs-full:StatementOfComprehensiveIncomeAbstract
53	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
54	Other comprehensive income (loss) in the year	Abstract			ifrs-full:OtherComprehensiveIncomeAbstract
55	Items that may be reclassified to profit	Abstract			ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
56	Currency translation differences (net of taxes of $40 and $(46))	Concept (Monetary)	For Period	Credit	teck:GainsLossesOnExchangeDifferencesOnTranslationIncludingPortionAttributableToNoncontrollingInterestsNetOfTax
57	Change in fair value of debt securities (net of taxes of $nil)	Concept (Monetary)	For Period	Debit	teck:GainsLossesOnRemeasuringDebtSecuritiesNetOfTax
58	Change in fair value of available-for-sale financial instruments) (net of taxes of $2)	Concept (Monetary)	For Period	Credit	teck:GainsLossesOnRemeasuringAvailableForSaleFinancialInstrumentsNetOfTax
59	Share of other comprehensive loss of associates and joint ventures (Note 15)	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
60	Items that may be reclassified to profit	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
61	Items that will not be reclassified to profit	Abstract			ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
62	Change in fair value of marketable equity securities (net of taxes of $1 and $nil)	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments
63	Remeasurements of retirement benefit plans (net of taxes of $(2) and $(55))	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
64	Items that will not be reclassified to profit	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
65	Other comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
66	Total comprehensive income for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
67	Total other comprehensive income (loss) attributable to:	Abstract			ifrs-full:MiscellaneousOtherComprehensiveIncomeAbstract
68	Shareholders of the company	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeAttributableToOwnersOfParent
69	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeAttributableToNoncontrollingInterests
70	Other comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncome
71	Total comprehensive income attributable to:	Abstract			ifrs-full:ComprehensiveIncomeAttributableToAbstract
72	Shareholders of the company	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
73	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
74	Consolidated comprehensive income, net of tax	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
75	1005 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical)	Network	*	*	http://www.teck.com/taxonomy/role/StatementOfComprehensiveIncomeOCIComponentsPresentedNetOfTax-410000Parenthetical
76	Implied Table	Table	*	*	implied:Table
77	Statement of comprehensive income [abstract]	Abstract			ifrs-full:StatementOfComprehensiveIncomeAbstract
78	Currency translation differences, taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome
79	Change in fair value of debt securities, taxes	Concept (Monetary)	For Period	Debit	teck:IncomeTaxRelatingToDebtSecuritiesMeasuredAtFairValueThroughOtherComprehensiveIncomeIncludedInOtherComprehensiveIncome
80	Change in fair value of available-for-sale financial instruments, taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
81	Change in fair value of marketable equity securities, taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome
82	Remeasurements of retirement benefit plans,taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
83	1006 - Statement - Consolidated Statements of Cash Flows	Network	*	*	http://www.teck.com/taxonomy/role/StatementOfCashFlowsIndirectMethod-520000
84	Implied Table	Table	*	*	implied:Table
85	Statement of cash flows [abstract]	Abstract			ifrs-full:StatementOfCashFlowsAbstract
86	Operating activities	Abstract			ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
87	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
88	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
89	Provision for income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncomeTaxExpense
90	Asset impairments (impairment reversal)	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
91	Gain on sale of investments and assets	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
92	Foreign exchange gains	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
93	Loss on debt repurchase	Concept (Monetary)	For Period	Debit	teck:AdjustmentsForLossGainOnDebtRepayment
94	Loss (gain) on debt prepayment options	Concept (Monetary)	For Period	Debit	teck:AdjustmentsForLossGainOnDebtPrepaymentOptions
95	Net finance expense	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForFinanceCosts
96	Income taxes paid	Concept (Monetary)	For Period	Credit	ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities
97	Other	Concept (Monetary)	For Period	Debit	ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities
98	Net change in non-cashworking capital items	Concept (Monetary)	For Period	Debit	ifrs-full:OtherAdjustmentsToReconcileProfitLoss
99	Net cash generated by operating activities	Concept (Monetary)	For Period		ifrs-full:CashFlowsFromUsedInOperatingActivities
100	Investing activities	Abstract			ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
101	Expenditures on property, plant and equipment	Concept (Monetary)	For Period	Credit	ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
102	Capitalized production stripping costs	Concept (Monetary)	For Period	Credit	teck:CapitalizedProductionStrippingCosts
103	Expenditures on investments and other assets	Concept (Monetary)	For Period	Credit	teck:ExpendituresOnInvestmentsAndOtherAssets
104	Proceeds from investments and assets	Concept (Monetary)	For Period	Debit	teck:ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodAndAssets
105	Net cash used in investing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInInvestingActivities
106	Financing activities	Abstract			ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
107	Repurchase and repayment of debt	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
108	Debt interest and finance charges paid	Concept (Monetary)	For Period	Credit	teck:RepaymentsOfDebtInterestAndFinanceChanrgesClassifiedAsFinancingActivities
109	Issuance of Class B subordinate voting shares	Concept (Monetary)	For Period	Debit	ifrs-full:ProceedsFromIssuingShares
110	Purchase and cancellation of Class B subordinate voting shares	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsToAcquireOrRedeemEntitysShares
111	Dividends paid	Concept (Monetary)	For Period	Credit	ifrs-full:DividendsPaidClassifiedAsFinancingActivities
112	Distributions to non-controlling interests	Concept (Monetary)	For Period	Credit	teck:DistributionsToNoncontrollingInterests
113	Net cash used in financing activities	Concept (Monetary)	For Period	Debit	ifrs-full:CashFlowsFromUsedInFinancingActivities
114	Effect of exchange rate changes on cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
115	Increase (decrease) in cash and cash equivalents	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
116	Cash and cash equivalents at beginning of year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
117	Cash and cash equivalents at end of year	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
118	1007 - Statement - Consolidated Balance Sheets	Network	*	*	http://www.teck.com/taxonomy/role/StatementOfFinancialPositionCurrentNonCurrent-210000
119	Implied Table	Table	*	*	implied:Table
120	Statement of financial position [abstract]	Abstract			ifrs-full:StatementOfFinancialPositionAbstract
121	ASSETS	Abstract			ifrs-full:AssetsAbstract
122	Current assets	Abstract			ifrs-full:CurrentAssetsAbstract
123	Cash and cash equivalents (Note 12)	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
124	Current income taxes receivable	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentTaxAssetsCurrent
125	Trade and settlement receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherCurrentReceivables
126	Inventories (Note 13)	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
127	Prepaids and other current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
128	Assets held for sale (Note 5 (b))	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
129	Total current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentAssets
130	Financial and other assets (Note 14)	Concept (Monetary)	As Of	Debit	teck:NoncurrentFinancialAssetsAndOtherAssets
131	Investments in associates and joint ventures (Note 15)	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
132	Property, plant and equipment (Note 8 and Note 16)	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
133	Deferred income tax assets (Note 20)	Concept (Monetary)	As Of	Debit	ifrs-full:DeferredTaxAssets
134	Goodwill (Note 8 and Note 17)	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
135	TOTAL ASSETS	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
136	LIABILITIES AND EQUITY	Abstract			ifrs-full:EquityAndLiabilitiesAbstract
137	Current liabilities	Abstract			ifrs-full:CurrentLiabilitiesAbstract
138	Trade accounts payable and other liabilities (Note 18)	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
139	Current income taxes payable	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentTaxLiabilitiesCurrent
140	Debt (Note 19)	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
141	Total current liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentLiabilities
142	Debt (Note 19)	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
143	Deferred income tax liabilities (Note 20)	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilities
144	Retirement benefit liabilities (Note 21)	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentRecognisedLiabilitiesDefinedBenefitPlan
145	Provisions and other liabilities (Note 22)	Concept (Monetary)	As Of	Credit	teck:OtherLiabilitiesAndProvisions
146	Total liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:Liabilities
147	Equity	Abstract			ifrs-full:EquityAbstract
148	Attributable to shareholders of the company	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAttributableToOwnersOfParent
149	Attributable to non-controlling interests (Note 24)	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
150	Total equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
151	Total equity and liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAndLiabilities
152	1008 - Statement - Consolidated Statements of Changes in Equity	Network	*	*	http://www.teck.com/taxonomy/role/StatementOfChangesInEquity-610000
153	Statement of changes in equity [table]	Table	*	*	ifrs-full:StatementOfChangesInEquityTable
154	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
155	Equity [member]	Member			ifrs-full:EquityMember
156	Issued capital [member]	Member			ifrs-full:IssuedCapitalMember
157	Retained earnings [member]	Member			ifrs-full:RetainedEarningsMember
158	Additional paid-in capital [member]	Member			ifrs-full:AdditionalPaidinCapitalMember
159	Accumulated other comprehensive income attributable to shareholders of the company [member]	Member			ifrs-full:AccumulatedOtherComprehensiveIncomeMember
160	Non-controlling interests [member]	Member			ifrs-full:NoncontrollingInterestsMember
161	Classes of share capital [axis]	Axis			ifrs-full:ClassesOfShareCapitalAxis
162	Share capital [member]	Member			ifrs-full:ClassesOfShareCapitalMember
163	Class A Common Shares [member]	Member			teck:ClassACommonSharesMember
164	Class B subordinate voting shares [member]	Member			teck:ClassBSubordinateVotingSharesMember
165	Statement of changes in equity [line items]	LineItems			ifrs-full:StatementOfChangesInEquityLineItems
166	Beginning of year	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
167	IFRS 9 transition adjustment on January 1, 2018 (Note 32(c))	Concept (Monetary)	For Period	Credit	teck:TransitionAdjustmentOfIFRS9
168	Profit for the year attributable to non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
169	Share option compensation expense (Note 23(c))	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
170	Profit for the year attributable to shareholders of the company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
171	Other comprehensive income (loss) attributable to non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeAttributableToNoncontrollingInterests
172	Other comprehensive income (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeAttributableToOwnersOfParent
173	Transfer to Class B subordinate voting shares on exercise of options	Concept (Monetary)	For Period	Credit	teck:IncreaseDecreaseThroughTransferToSubordinateVotingSharesOnExerciseOfOptions
174	Dividends paid (Note 23(g))	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsPaid
175	Share repurchases (Note 23(h))	Concept (Monetary)	For Period	Debit	teck:ShareRepurchasedAmount
176	Issued on exercise of options (Note 23(c))	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
177	Class A shares conversion (Note 23(b))	Concept (Monetary)	For Period	Credit	teck:ClassAShareConversionToClassBSubordinateVotingShares
178	Purchase of non-controlling interests (Note 5(a))	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl
179	Acquisition of AQM Copper Inc.	Concept (Monetary)	For Period	Credit	teck:GainOnPurchaseOfNoncontrollingInterest
180	Less remeasurements of retirement benefit plans recorded in retained earnings	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings
181	Dividends or distributions	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsRecognisedAsDistributionsToNoncontrollingInterests
182	End of year	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
183	1009 - Disclosure - Nature of Operations	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfNatureOfOperationsExplanatory
184	Implied Table	Table	*	*	implied:Table
185	Text block [abstract]	Abstract			teck:TextBlockAbstract
186	Nature of Operations	Concept (Text Block (HTML))	For Period		teck:DisclosureOfNatureOfOperationsExplanatory
187	1010 - Disclosure - Basis of Preparation and New IFRS Pronouncements	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBasisOfPreparationAndNewIFRSPronouncementsExplanatory
188	Implied Table	Table	*	*	implied:Table
189	Text block [abstract]	Abstract			teck:TextBlockAbstract
190	Basis of Preparation and New IFRS Pronouncements	Concept (Text Block (HTML))	For Period		teck:DisclosureOfBasisOfPreparationAndNewIFRSPronouncementsExplanatory
191	1011 - Disclosure - Summary of Significant Accounting Policies	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
192	Implied Table	Table	*	*	implied:Table
193	Text block [abstract]	Abstract			teck:TextBlockAbstract
194	Summary of Significant Accounting Policies	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
195	1012 - Disclosure - Areas of Judgment and Estimation Uncertainty	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAccountingJudgementsAndEstimatesExplanatory
196	Implied Table	Table	*	*	implied:Table
197	Text block [abstract]	Abstract			teck:TextBlockAbstract
198	Areas of Judgment and Estimation Uncertainty	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory
199	1013 - Disclosure - Transactions	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSignificantTransactionsExplanatory
200	Implied Table	Table	*	*	implied:Table
201	Text block [abstract]	Abstract			teck:TextBlockAbstract
202	Transactions	Concept (Text Block (HTML))	For Period		teck:DisclosureOfSignificantTransactionsExplanatory
203	1014 - Disclosure - Revenues	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsInformationAboutRelationshipBetweenDisclosureOfDisaggregatedRevenueFromContractsWithCustomersAndRevenueInformationForReportableSegmentsExplanatory
204	Implied Table	Table	*	*	implied:Table
205	Text block [abstract]	Abstract			teck:TextBlockAbstract
206	Revenues	Concept (Text Block (HTML))	For Period		ifrs-full:InformationAboutRelationshipBetweenDisclosureOfDisaggregatedRevenueFromContractsWithCustomersAndRevenueInformationForReportableSegmentsExplanatory
207	1015 - Disclosure - Expenses by Nature	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfExpensesByNatureExplanatory
208	Implied Table	Table	*	*	implied:Table
209	Text block [abstract]	Abstract			teck:TextBlockAbstract
210	Expenses by Nature	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfExpensesByNatureExplanatory
211	1016 - Disclosure - Asset and Goodwill Impairment Testing	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfImpairmentOfAssetsExplanatory
212	Implied Table	Table	*	*	implied:Table
213	Text block [abstract]	Abstract			teck:TextBlockAbstract
214	Asset and Goodwill Impairment Testing	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory
215	1017 - Disclosure - Other Operating Income (Expense)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherOperatingIncomeExpenseExplanatory
216	Implied Table	Table	*	*	implied:Table
217	Text block [abstract]	Abstract			teck:TextBlockAbstract
218	Other Operating Income (Expense)	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory
219	1018 - Disclosure - Finance Income and Finance Expense	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinanceIncomeExpenseExplanatory
220	Implied Table	Table	*	*	implied:Table
221	Text block [abstract]	Abstract			teck:TextBlockAbstract
222	Finance Income and Finance Expense	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
223	1019 - Disclosure - Non-Operating Income (Expense)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherNonOperatingIncomeExpensesExplanatory
224	Implied Table	Table	*	*	implied:Table
225	Text block [abstract]	Abstract			teck:TextBlockAbstract
226	Non-Operating Income (Expense)	Concept (Text Block (HTML))	For Period		teck:DisclosureOfOtherNonOperatingIncomeExpensesExplanatory
227	1020 - Disclosure - Supplemental Cash Flow Information	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSupplementaryCashFlowInformationExplanatory
228	Implied Table	Table	*	*	implied:Table
229	Text block [abstract]	Abstract			teck:TextBlockAbstract
230	Supplemental Cash Flow Information	Concept (Text Block (HTML))	For Period		teck:DisclosureOfSupplementaryCashFlowInformationExplanatory
231	1021 - Disclosure - Inventories	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesExplanatory
232	Implied Table	Table	*	*	implied:Table
233	Text block [abstract]	Abstract			teck:TextBlockAbstract
234	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInventoriesExplanatory
235	1022 - Disclosure - Financial and Other Assets	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialAndOtherAssetsExplanatory
236	Implied Table	Table	*	*	implied:Table
237	Text block [abstract]	Abstract			teck:TextBlockAbstract
238	Financial and Other Assets	Concept (Text Block (HTML))	For Period		teck:DisclosureOfFinancialAndOtherAssetsExplanatory
239	1023 - Disclosure - Investments in Associates and Joint Ventures	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsInAssociatesAndJointVentureExplanatory
240	Implied Table	Table	*	*	implied:Table
241	Text block [abstract]	Abstract			teck:TextBlockAbstract
242	Investments in Associates and Joint Ventures	Concept (Text Block (HTML))	For Period		teck:DisclosureOfInvestmentsInAssociatesAndJointVentureExplanatory
243	1024 - Disclosure - Property, Plant and Equipment	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
244	Implied Table	Table	*	*	implied:Table
245	Text block [abstract]	Abstract			teck:TextBlockAbstract
246	Property, Plant and Equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
247	1025 - Disclosure - Goodwill	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfGoodwillExplanatory
248	Implied Table	Table	*	*	implied:Table
249	Text block [abstract]	Abstract			teck:TextBlockAbstract
250	Goodwill	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfGoodwillExplanatory
251	1026 - Disclosure - Trade Accounts Payable and Other Liabilities	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherPayablesExplanatory
252	Implied Table	Table	*	*	implied:Table
253	Text block [abstract]	Abstract			teck:TextBlockAbstract
254	Trade Accounts Payable and Other Liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
255	1027 - Disclosure - Debt	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatory
256	Implied Table	Table	*	*	implied:Table
257	Text block [abstract]	Abstract			teck:TextBlockAbstract
258	Debt	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfBorrowingsExplanatory
259	1028 - Disclosure - Income Taxes	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatory
260	Implied Table	Table	*	*	implied:Table
261	Text block [abstract]	Abstract			teck:TextBlockAbstract
262	Income Taxes	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfIncomeTaxExplanatory
263	1029 - Disclosure - Retirement Benefit Plans	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEmployeeBenefitsExplanatory
264	Implied Table	Table	*	*	implied:Table
265	Text block [abstract]	Abstract			teck:TextBlockAbstract
266	Retirement Benefit Plans	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
267	1030 - Disclosure - Provisions and Other Liabilities	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory
268	Implied Table	Table	*	*	implied:Table
269	Text block [abstract]	Abstract			teck:TextBlockAbstract
270	Provisions and Other Liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatory
271	1031 - Disclosure - Equity	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
272	Implied Table	Table	*	*	implied:Table
273	Text block [abstract]	Abstract			teck:TextBlockAbstract
274	Equity	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
275	1032 - Disclosure - Non-Controlling Interests	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfNoncontrollingInterestsExplanatory
276	Implied Table	Table	*	*	implied:Table
277	Text block [abstract]	Abstract			teck:TextBlockAbstract
278	Non-Controlling Interests	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory
279	1033 - Disclosure - Contingencies	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfContingentLiabilitiesExplanatory
280	Implied Table	Table	*	*	implied:Table
281	Text block [abstract]	Abstract			teck:TextBlockAbstract
282	Contingencies	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfContingentLiabilitiesExplanatory
283	1034 - Disclosure - Commitments	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsExplanatory
284	Implied Table	Table	*	*	implied:Table
285	Text block [abstract]	Abstract			teck:TextBlockAbstract
286	Commitments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfCommitmentsExplanatory
287	1035 - Disclosure - Segmented Information	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEntitysReportableSegmentsExplanatory
288	Implied Table	Table	*	*	implied:Table
289	Text block [abstract]	Abstract			teck:TextBlockAbstract
290	Segmented Information	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
291	1036 - Disclosure - Financial Instruments and Financial Risk Management	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialInstrumentsAndFinancialRiskManagementExplanatory
292	Implied Table	Table	*	*	implied:Table
293	Text block [abstract]	Abstract			teck:TextBlockAbstract
294	Financial Instruments and Financial Risk Management	Concept (Text Block (HTML))	For Period		teck:DisclosureOfFinancialInstrumentsAndFinancialRiskManagementExplanatory
295	1037 - Disclosure - Fair Value Measurements	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFairValueMeasurementExplanatory
296	Implied Table	Table	*	*	implied:Table
297	Text block [abstract]	Abstract			teck:TextBlockAbstract
298	Fair Value Measurements	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFairValueMeasurementExplanatory
299	1038 - Disclosure - Capital Management	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory
300	Implied Table	Table	*	*	implied:Table
301	Text block [abstract]	Abstract			teck:TextBlockAbstract
302	Capital Management	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory
303	1039 - Disclosure - Key Management Compensation	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfKeyManagementCompensationExplanatory
304	Implied Table	Table	*	*	implied:Table
305	Text block [abstract]	Abstract			teck:TextBlockAbstract
306	Key Management Compensation	Concept (Text Block (HTML))	For Period		teck:DisclosureOfKeyManagementCompensationExplanatory
307	1040 - Disclosure - Adoption of New IFRS Pronouncements	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAdoptionOfNewIfrsPronouncementsExplanatory
308	Implied Table	Table	*	*	implied:Table
309	Text block [abstract]	Abstract			teck:TextBlockAbstract
310	Adoption of New IFRS Pronouncements	Concept (Text Block (HTML))	For Period		teck:DisclosureOfAdoptionOfNewIfrsPronouncementsExplanatory
311	1041 - Disclosure - Summary of Significant Accounting Policies (Policies)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryPolicies
312	Implied Table	Table	*	*	implied:Table
313	Text block [abstract]	Abstract			teck:TextBlockAbstract
314	Basis of Presentation	Concept (Text Block (HTML))	For Period		teck:DescriptionOfAccountingPolicyForBasisOfPresentationExplanatory
315	Interests in Joint Arrangements	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInterestsInJointArrangementsExplanatory
316	Investments in Associates and Joint Ventures	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory
317	Foreign Currency Translation	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
318	Revenue	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
319	Financial Instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
320	Inventories	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
321	Property, Plant and Equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
322	Goodwill	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory
323	Income Taxes	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
324	Employee Benefits	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
325	Share-Based Payments	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory
326	Share Repurchases	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForIssuedCapitalExplanatory
327	Provisions	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
328	Research and Development	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory
329	Earnings per Share	Concept (Text Block (HTML))	For Period		ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
330	1042 - Disclosure - Summary of Significant Accounting Policies (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSummaryOfSignificantAccountingPoliciesExplanatoryTables
331	Implied Table	Table	*	*	implied:Table
332	Text block [abstract]	Abstract			teck:TextBlockAbstract
333	Summary of Expected Useful Lives	Concept (Text Block (HTML))	For Period		teck:DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLifeExplanatory
334	1043 - Disclosure - Revenues (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsInformationAboutRelationshipBetweenDisclosureOfDisaggregatedRevenueFromContractsWithCustomersAndRevenueInformationForReportableSegmentsExplanatoryTables
335	Implied Table	Table	*	*	implied:Table
336	Text block [abstract]	Abstract			teck:TextBlockAbstract
337	Summary of Revenue Disaggregated by Major Product Type and by Business Unit	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfProductsAndServicesExplanatory
338	Summary of Revenue Disaggregated by Geographical Region	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersExplanatory
339	1044 - Disclosure - Expenses by Nature (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfExpensesByNatureExplanatoryTables
340	Implied Table	Table	*	*	implied:Table
341	Text block [abstract]	Abstract			teck:TextBlockAbstract
342	Schedule of Expenses by Nature	Concept (Text Block (HTML))	For Period		teck:DisclosureOfDetailedInformationAboutExpensesByNatureExplanatory
343	1045 - Disclosure - Asset and Goodwill Impairment Testing (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfImpairmentOfAssetsExplanatoryTables
344	Implied Table	Table	*	*	implied:Table
345	Text block [abstract]	Abstract			teck:TextBlockAbstract
346	Summary of Pre-tax Impairment Reversal and (Asset Impairments) Recorded in Statement of Income	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory
347	Summary of Key Assumptions Used in Our Asset Impairment Reversal and Goodwill Impairment Analyses	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory
348	1046 - Disclosure - Other Operating Income (Expense) (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherOperatingIncomeExpenseExplanatoryTables
349	Implied Table	Table	*	*	implied:Table
350	Text block [abstract]	Abstract			teck:TextBlockAbstract
351	Schedule of Other Operating Income (Expense)	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory
352	1047 - Disclosure - Finance Income and Finance Expense (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinanceIncomeExpenseExplanatoryTables
353	Implied Table	Table	*	*	implied:Table
354	Text block [abstract]	Abstract			teck:TextBlockAbstract
355	Schedule of Finance Income and Finance Expense	Concept (Text Block (HTML))	For Period		teck:ScheduleOfFinanceIncomeExpenseExplanatory
356	1048 - Disclosure - Non-Operating Income (Expense) (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherNonOperatingIncomeExpensesExplanatoryTables
357	Implied Table	Table	*	*	implied:Table
358	Text block [abstract]	Abstract			teck:TextBlockAbstract
359	Schedule of Non-Operating Income (Expense)	Concept (Text Block (HTML))	For Period		teck:DisclosureOfOtherNonOperatingLossGainExplanatory
360	1049 - Disclosure - Supplemental Cash Flow Information (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSupplementaryCashFlowInformationExplanatoryTables
361	Implied Table	Table	*	*	implied:Table
362	Text block [abstract]	Abstract			teck:TextBlockAbstract
363	Summary of Cash Flow Information	Concept (Text Block (HTML))	For Period		teck:DisclosureOfSupplementalCashFlowInformationExplanatory
364	1050 - Disclosure - Inventories (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesExplanatoryTables
365	Implied Table	Table	*	*	implied:Table
366	Text block [abstract]	Abstract			teck:TextBlockAbstract
367	Summary of Inventories	Concept (Text Block (HTML))	For Period		teck:DisclosureOfInventoryExplanatory
368	1051 - Disclosure - Financial and Other Assets (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialAndOtherAssetsExplanatoryTables
369	Implied Table	Table	*	*	implied:Table
370	Text block [abstract]	Abstract			teck:TextBlockAbstract
371	Schedule of Financial and Other Assets	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinancialAssetsExplanatory
372	1052 - Disclosure - Investments in Associates and Joint Ventures (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInvestmentsInAssociatesAndJointVentureExplanatoryTables
373	Implied Table	Table	*	*	implied:Table
374	Text block [abstract]	Abstract			teck:TextBlockAbstract
375	Summary of Investments in Associates and Joint Ventures	Concept (Text Block (HTML))	For Period		teck:DisclosureOfInvestmentsInSubsidiariesJointVenturesAndAssociatesExplanatory
376	1053 - Disclosure - Property, Plant and Equipment (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatoryTables
377	Implied Table	Table	*	*	implied:Table
378	Text block [abstract]	Abstract			teck:TextBlockAbstract
379	Summary of Property Plant and Equipment	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
380	1054 - Disclosure - Goodwill (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfGoodwillExplanatoryTables
381	Implied Table	Table	*	*	implied:Table
382	Text block [abstract]	Abstract			teck:TextBlockAbstract
383	Schedule of Reconciliation of Changes in Goodwill	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillExplanatory
384	1055 - Disclosure - Trade Accounts Payable and Other Liabilities (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherPayablesExplanatoryTables
385	Implied Table	Table	*	*	implied:Table
386	Text block [abstract]	Abstract			teck:TextBlockAbstract
387	Schedule of Trade Accounts Payable and Other Liabilities	Concept (Text Block (HTML))	For Period		teck:DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory
388	1056 - Disclosure - Debt (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatoryTables
389	Implied Table	Table	*	*	implied:Table
390	Text block [abstract]	Abstract			teck:TextBlockAbstract
391	Summary of Detailed Information About Borrowings	Concept (Text Block (HTML))	For Period		teck:DisclosureOfBorrowingFacilitiesExplanatory
392	Summary of Minimum Lease Payments of Finance Lease Liabilities and Effect of Discounting	Concept (Text Block (HTML))	For Period		teck:DisclosureOfMinimumLeasePaymentsOfFinanceLeaseLiabilitiesExplanatory
393	Summary of Present Value of Finance Lease Liabilities and Their Expected Timing of Payment	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory
394	Scheduled Principal Payments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
395	Summary of Debt Continuity	Concept (Text Block (HTML))	For Period		teck:ScheduleOfBorrowingsExplanatory
396	1057 - Disclosure - Income Taxes (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatoryTables
397	Implied Table	Table	*	*	implied:Table
398	Text block [abstract]	Abstract			teck:TextBlockAbstract
399	Summary of Provision for Income Taxes	Concept (Text Block (HTML))	For Period		teck:DisclosureOfIncomeTaxExpenseBenefitsExplanatory
400	Summary of Reconciliation of Income Taxes	Concept (Text Block (HTML))	For Period		teck:DisclosureOfReconciliationOfActualTaxChargeAndTaxChargeChangeExplanatory
401	Summary of Deferred Tax Expense Charged (Credited) to Income Statement	Concept (Text Block (HTML))	For Period		teck:DisclosureOfDeferredTaxExpenseChargedCreditedToIncomeStatementExplanatory
402	Summary of Temporary Differences Giving Rise to Deferred Income Tax Assets and Liabilities	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
403	Summary of Movement in Net Deferred Income Taxes Account	Concept (Text Block (HTML))	For Period		teck:DisclosureOfReconciliationOfChangesInDeferredTaxLiabilityAssetExplanatory
404	1058 - Disclosure - Retirement Benefit Plans (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEmployeeBenefitsExplanatoryTables
405	Implied Table	Table	*	*	implied:Table
406	Text block [abstract]	Abstract			teck:TextBlockAbstract
407	Summary of Actuarial Valuation of Plans	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory
408	Summary of Weighted Average Assumptions Used to Calculate the Defined Benefit Obligation	Concept (Text Block (HTML))	For Period		teck:DisclosureOfDefinedBenefitObligationWeightedAverageAssumptionsExplanatory
409	Summary of Sensitivity of Defined Benefit Obligation to Changes in Weighted Average Assumptions	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory
410	Summary of Life Expectancies for Employee Retiring at Age 65	Concept (Text Block (HTML))	For Period		teck:DisclosureOfLifeExpectationOfAnAveragePlanParticipantExplanatory
411	Summary of Defined Benefit Pension Plan Assets	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFairValueOfPlanAssetsExplanatory
412	1059 - Disclosure - Provisions and Other Liabilities (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherProvisionsContingentLiabilitiesAndContingentAssetsExplanatoryTables
413	Implied Table	Table	*	*	implied:Table
414	Text block [abstract]	Abstract			teck:TextBlockAbstract
415	Summary of Provisions and Other Liabilities	Concept (Text Block (HTML))	For Period		teck:DisclosureOfDetailedInformationAboutOtherLiabilitiesAndProvisionsExplanatory
416	Summary of Movements in Provisions	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfProvisionsExplanatory
417	1060 - Disclosure - Equity (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatoryTables
418	Implied Table	Table	*	*	implied:Table
419	Text block [abstract]	Abstract			teck:TextBlockAbstract
420	Summary of Class A Common Shares and Class B Subordinate Voting Shares Issued and Outstanding	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory
421	Summary of Weighted Average Assumptions	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
422	Summary of Outstanding Share Options	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
423	Summary of Information Relating to Share Options Outstanding	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory
424	Summary of Outstanding Units	Concept (Text Block (HTML))	For Period		teck:DisclosureOfOutstandingAndVestedSharesOfOtherEquityInstrumentsExplanatory
425	Summary of Accumulated Other Comprehensive Income (Loss)	Concept (Text Block (HTML))	For Period		teck:DisclosureOfAccumulatedOtherComprehensiveIncomeLossExplanatory
426	Summary of Basic and Diluted Earnings Per Share	Concept (Text Block (HTML))	For Period		ifrs-full:EarningsPerShareExplanatory
427	1061 - Disclosure - Non-Controlling Interests (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfNoncontrollingInterestsExplanatoryTables
428	Implied Table	Table	*	*	implied:Table
429	Text block [abstract]	Abstract			teck:TextBlockAbstract
430	Summary of Information About Subsidiaries with Non-controlling Interests and Non-controlling Interest Balances	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
431	1062 - Disclosure - Commitments (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsExplanatoryTables
432	Implied Table	Table	*	*	implied:Table
433	Text block [abstract]	Abstract			teck:TextBlockAbstract
434	Summary of Future Aggregate Minimum Lease Payments Under Non-cancellable Operating Leases	Concept (Text Block (HTML))	For Period		teck:DisclosureOfFutureAggregateMinimumLeasePaymentsUnderNonCancellableOperatingLeaseExplanatory
435	1063 - Disclosure - Segmented Information (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEntitysReportableSegmentsExplanatoryTables
436	Implied Table	Table	*	*	implied:Table
437	Text block [abstract]	Abstract			teck:TextBlockAbstract
438	Schedule of Operating Segments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfOperatingSegmentsExplanatory
439	Schedule of Geographical Areas	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfGeographicalAreasExplanatory
440	1064 - Disclosure - Financial Instruments and Financial Risk Management (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialInstrumentsAndFinancialRiskManagementExplanatoryTables
441	Statement [table]	Table	*	*	teck:StatementTable
442	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
443	Risks [member]	Member			ifrs-full:TypesOfRisksMember
444	Currency risk [member]	Member			ifrs-full:CurrencyRiskMember
445	Commodity Price Risk [member]	Member			ifrs-full:CommodityPriceRiskMember
446	Liquidity risk [member]	Member			ifrs-full:LiquidityRiskMember
447	Statement [LineItems]	LineItems			teck:StatementLineItems
448	Schedules of Risks Arising from Financial Instruments	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory
449	Schedules of Risks Arising from Financial Instruments	Concept (Text Block (HTML))	For Period		teck:SummaryOfProvisionallyValuedReceivableAndPayablePositionsExplanatory
450	Schedules of Risks Arising from Financial Instruments	Concept (Text Block (HTML))	For Period		teck:DerivativesNotDesignatedAsHedgingInstrumentsExplanatory
451	Schedules of Risks Arising from Financial Instruments	Concept (Text Block (HTML))	For Period		teck:DescriptionOfFinancialInstrumentsNotDesignatedAsHedgingInstrumentsExplanatory
452	1065 - Disclosure - Fair Value Measurements (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFairValueMeasurementExplanatoryTables
453	Implied Table	Table	*	*	implied:Table
454	Text block [abstract]	Abstract			teck:TextBlockAbstract
455	Summary of Fair Values of Financial Assets Measured at Fair Value on Recurring Basis	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFairValueMeasurementOfAssetsExplanatory
456	Summary of Fair Values of Financial Liabilities Measured at Fair Value on Recurring Basis	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory
457	1066 - Disclosure - Key Management Compensation (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfKeyManagementCompensationExplanatoryTables
458	Implied Table	Table	*	*	implied:Table
459	Text block [abstract]	Abstract			teck:TextBlockAbstract
460	Summary of Compensation for Key Management Recognized in Total Comprehensive Income (Loss)	Concept (Text Block (HTML))	For Period		ifrs-full:DisclosureOfInformationAboutKeyManagementPersonnelExplanatory
461	1067 - Disclosure - Adoption of New IFRS Pronouncements (Tables)	Network	*	*	http://www.teck.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAdoptionOfNewIfrsPronouncementsExplanatoryTables
462	Implied Table	Table	*	*	implied:Table
463	Text block [abstract]	Abstract			teck:TextBlockAbstract
464	Summary of Adjustments to Previously Reported Figures Relate to Adoption of IFRS 15	Concept (Text Block (HTML))	For Period		teck:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsExplanatory
465	1068 - Disclosure - Nature of Operations - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureNatureOfOperationsAdditionalInformation
466	Implied Table	Table	*	*	implied:Table
467	Description of business and nature of operations [abstract]	Abstract			teck:DescriptionOfBusinessAndNatureOfOperationsAbstract
468	Name of reporting entity	Concept (Text/String)	For Period		ifrs-full:NameOfReportingEntityOrOtherMeansOfIdentification
469	Description of nature of entity's operations	Concept (Text/String)	For Period		ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities
470	Address of entity's registered office	Concept (Text/String)	For Period		ifrs-full:AddressOfRegisteredOfficeOfEntity
471	1069 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformation
472	Disclosure of significant accounting policies [table]	Table	*	*	teck:DisclosureOfSignificantAccountingPoliciesTable
473	Range [axis]	Axis			ifrs-full:RangeAxis
474	Ranges [member]	Member			ifrs-full:RangesMember
475	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
476	Top of range [member]	Member			ifrs-full:TopOfRangeMember
477	Joint operations [axis]	Axis			ifrs-full:JointOperationsAxis
478	Entity's total for joint operations [member]	Member			ifrs-full:EntitysTotalForJointOperationsMember
479	Galore Creek Partnership [member]	Member			teck:GaloreCreekPartnershipMember
480	Fort Hills Energy Limited Partnership [member]	Member			teck:FortHillsEnergyLimitedPartnershipMember
481	Antamina [member]	Member			teck:AntaminaMember
482	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
483	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
484	Nueva Union [member]	Member			teck:NuevaUnionMember
485	Disclosure of significant accounting policies [line items]	LineItems			teck:DisclosureOfSignificantAccountingPoliciesLineItems
486	Ownership interest in joint operation	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInJointOperation
487	Ownership interest in joint venture	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInJointVenture
488	Consideration for increased portion of ownership interest	Concept (Monetary)	As Of	Debit	teck:ConsiderationForIncreasedPortionOfOwnershipInterest
489	1070 - Disclosure - Summary of Significant Accounting Policies - Summary of Expected Useful Lives (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfExpectedUsefulLives
490	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
491	Range [axis]	Axis			ifrs-full:RangeAxis
492	Ranges [member]	Member			ifrs-full:RangesMember
493	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
494	Top of range [member]	Member			ifrs-full:TopOfRangeMember
495	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
496	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
497	Buildings and equipment (not used in production) [member]	Member			ifrs-full:BuildingsMember
498	Plant and equipment (smelting operations) [member]	Member			teck:PropertyAndEquipmentMember
499	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
500	Expected useful lives	Concept (Text/String)	For Period		ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
501	1071 - Disclosure - Areas of Judgment and Estimation Uncertainty - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureAreasOfJudgmentAndEstimationUncertaintyAdditionalInformation
502	Disclosure of critical accounting estimates and judgments [table]	Table	*	*	teck:DisclosureOfCriticalAccountingEstimatesAndJudgmentsTable
503	Initially applied IFRSs [axis]	Axis			ifrs-full:InitiallyAppliedIFRSsAxis
504	Initially applied IFRSs [member]	Member			ifrs-full:InitiallyAppliedIFRSsMember
505	Transition to IFRS Fifteen [member]	Member			teck:TransitionToIFRS15Member
506	Disclosure of critical accounting estimates and judgments [line items]	LineItems			teck:DisclosureOfCriticalAccountingEstimatesAndJudgmentsLineItems
507	Pre-tax adjustment to retained earnings	Concept (Monetary)	For Period	Credit	teck:TransitionAdjustmentIFRS15PreTaxAdjustmentToRetainedEarnings
508	1072 - Disclosure - Transactions - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureTransactionsAdditionalInformation
509	Disclosure of significant transactions [table]	Table	*	*	teck:DisclosureOfSignificantTransactionsTable
510	Joint operations [axis]	Axis			ifrs-full:JointOperationsAxis
511	Entity's total for joint operations [member]	Member			ifrs-full:EntitysTotalForJointOperationsMember
512	Waneta Dam [member]	Member			teck:WanetaDamMember
513	Projects [axis]	Axis			teck:ProjectsAxis
514	Projects [member]	Member			teck:ProjectsMember
515	QB2 project [member]	Member			teck:QuebradaBlancaTwoProjectMember
516	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
517	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
518	Quebrada Blanca SA [member]	Member			teck:QuebradaBlancaSAMember
519	Inversiones Mineras S A [member]	Member			teck:InversionesMinerasSAMember
520	Compania Mineras Teck Quebrada Blanca SA [member]	Member			teck:CompaniaMinerasTeckQuebradaBlancaSAMember
521	Counterparties [axis]	Axis			ifrs-full:CounterpartiesAxis
522	Counterparties [member]	Member			ifrs-full:CounterpartiesMember
523	Sumitomo [member]	Member			teck:SumitomoMember
524	ENAMI [member]	Member			teck:ENAMIMember
525	Inversiones Mineras S A [member]	Member			teck:InversionesMinerasSAMember
526	Regulatory environments [axis]	Axis			ifrs-full:RegulatoryEnvironmentsAxis
527	Regulatory environments [member]	Member			ifrs-full:RegulatoryEnvironmentsMember
528	Social and environmental impact assessment [member]	Member			teck:SocialAndEnvironmentalImpactAssessmentMember
529	Commencement of commercial production [member]	Member			teck:CommencementOfCommercialProductionMember
530	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
531	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
532	Pretax [member]	Member			teck:PretaxMember
533	After tax [member]	Member			teck:AfterTaxMember
534	Range [axis]	Axis			ifrs-full:RangeAxis
535	Ranges [member]	Member			ifrs-full:RangesMember
536	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
537	Top of range [member]	Member			ifrs-full:TopOfRangeMember
538	Disclosure of significant transactions [line items]	LineItems			teck:DisclosureOfSignificantTransactionsLineItems
539	Proportion of additional interest in subsidiary	Concept (Percent)	For Period		teck:ProportionOfAdditionalInterestInASubsidiary
540	Proportion of ownership interest in subsidiary	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInSubsidiary
541	Cash paid	Concept (Monetary)	For Period	Credit	ifrs-full:PaymentsFromChangesInOwnershipInterestsInSubsidiaries
542	Cash payable	Concept (Monetary)	For Period	Credit	teck:CashConsiderationPayable
543	Cash payable period	Concept (xbrli:durationItemType)	For Period		teck:CashConsiderationPaymentPeriod
544	Additional amounts may payable to extent average copper prices exceed per pound in each first three years	Concept (Decimal)	For Period		teck:AverageCopperPricesExceedPerPound
545	Cumulative maximum amount if occurs prior to Jan 21, 2024	Concept (Monetary)	For Period	Debit	teck:CumulativeMaximumCosts
546	Total fair value	Concept (Monetary)	For Period	Credit	teck:FairValueForIncreaseDecreaseInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl
547	Total fair value	Concept (Monetary)	For Period	Credit	teck:ReductionInNoncontrollingInterests
548	Decrease in equity	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControlEquityAttributableToOwnersOfParent
549	Subscription for interest	Concept (Percent)	For Period		teck:SubscriptionForInterest
550	Subsequent proportion of ownership interest in subsidiary	Concept (Percent)	For Period		teck:SubsequentProportionOfOwnershipInterestInSubsidiary
551	Subsequent proportion of ownership interest held by noncontrolling interest	Concept (Percent)	For Period		teck:SubsequentProportionOfOwnershipInterestHeldByNoncontrollingInterest
552	Proportion of ownership interest held by non-controlling interest	Concept (Percent)	For Period		teck:ProportionOfOwnershipInterestHeldByNonControllingInterest
553	Percentage of sales interest in asset	Concept (Percent)	For Period		teck:PercentageOfSalesInterestInJointOperation
554	Assets held for sale	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
555	Term power agreement period	Concept (xbrli:durationItemType)	For Period		teck:TermPowerAgreement
556	Additional term power arrangement period	Concept (xbrli:durationItemType)	For Period		teck:AdditionalTermPowerAgreement
557	Gain on disposal net of transaction costs	Concept (Monetary)	For Period	Credit	teck:GainOnDisposalNetOfTransactionCosts
558	After tax gain on disposal net of transaction costs	Concept (Monetary)	For Period	Credit	teck:AfterTaxGainOnDisposalNetOfTransactionCosts
559	Proceeds from sale of asset	Concept (Monetary)	For Period	Debit	teck:ProceedsFromSaleOfFixedAssetsInJointOperation
560	1073 - Disclosure - Revenue - Summary of Revenue Disaggregated by Major Product Type and by Business Unit (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureRevenueSummaryOfRevenueDisaggregatedByMajorProductTypeAndByBusinessUnit
561	Disclosure of products and services [table]	Table	*	*	ifrs-full:DisclosureOfProductsAndServicesTable
562	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
563	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
564	Steelmaking Coal [member]	Member			teck:SteelmakingCoalMember
565	Copper [member]	Member			teck:CopperMember
566	Zinc [member]	Member			teck:ZincMember
567	Energy [member]	Member			teck:EnergyMember
568	Segment consolidation items [axis]	Axis			ifrs-full:SegmentConsolidationItemsAxis
569	Entity's total for segment consolidation items [member]	Member			ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
570	Segment revenues [member]	Member			ifrs-full:OperatingSegmentsMember
571	Inter-segment revenues [member]	Member			ifrs-full:EliminationOfIntersegmentAmountsMember
572	Segments [axis]	Axis			ifrs-full:SegmentsAxis
573	Segments [member]	Member			ifrs-full:SegmentsMember
574	Steelmaking Coal [member]	Member			teck:SteelmakingCoalMember
575	Copper [member]	Member			teck:CopperMember
576	Zinc [member]	Member			teck:ZincMember
577	Silver [member]	Member			teck:SilverMember
578	Lead [member]	Member			teck:LeadMember
579	Blended bitumen [member]	Member			teck:BlendedBitumenMember
580	Other Segments [member]	Member			teck:OtherSegmentsMember
581	Disclosure of products and services [line items]	LineItems			ifrs-full:DisclosureOfProductsAndServicesLineItems
582	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
583	1074 - Disclosure - Revenue - Summary of Revenue Disaggregated by Geographical Region (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureRevenueSummaryOfRevenueDisaggregatedByGeographicalRegion
584	Disclosure of geographical areas [table]	Table	*	*	ifrs-full:DisclosureOfGeographicalAreasTable
585	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
586	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
587	China [member]	Member			country:CN
588	Japan [member]	Member			country:JP
589	South Korea [member]	Member			country:KR
590	India [member]	Member			country:IN
591	Other Asian Countries [member]	Member			teck:OtherAsianCountriesMember
592	United States [member]	Member			country:US
593	Canada [member]	Member			country:CA
594	Latin America [member]	Member			srt:LatinAmericaMember
595	Germany [member]	Member			country:DE
596	Finland [member]	Member			country:FI
597	Netherlands [member]	Member			country:NL
598	Other European Countries [member]	Member			teck:OtherEuropeanCountriesMember
599	Disclosure of geographical areas [line items]	LineItems			ifrs-full:DisclosureOfGeographicalAreasLineItems
600	Revenue	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
601	1075 - Disclosure - Expenses by Nature - Schedule of Expenses by Nature (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureExpensesByNatureScheduleOfExpensesByNature
602	Implied Table	Table	*	*	implied:Table
603	Disclosure of expenses [abstract]	Abstract			teck:DisclosureOfExpensesAbstract
604	Wages and salaries	Concept (Monetary)	For Period	Debit	ifrs-full:WagesAndSalaries
605	Employee benefits and other wage-related costs	Concept (Monetary)	For Period	Debit	ifrs-full:ShorttermEmployeeBenefitsExpense
606	Bonus payments	Concept (Monetary)	For Period	Debit	teck:BonusExpense
607	Post-employment benefits and pension costs	Concept (Monetary)	For Period	Debit	ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans
608	Employee benefits expense	Concept (Monetary)	For Period	Debit	ifrs-full:EmployeeBenefitsExpense
609	Transportation	Concept (Monetary)	For Period	Debit	ifrs-full:TransportationExpense
610	Depreciation and amortization	Concept (Monetary)	For Period	Debit	ifrs-full:DepreciationAndAmortisationExpense
611	Raw material purchases	Concept (Monetary)	For Period	Debit	ifrs-full:RawMaterialsAndConsumablesUsed
612	Fuel and energy	Concept (Monetary)	For Period	Debit	ifrs-full:FuelAndEnergyExpense
613	Operating supplies consumed	Concept (Monetary)	For Period	Debit	teck:SuppliesExpenses
614	Maintenance and repair supplies	Concept (Monetary)	For Period	Debit	ifrs-full:RepairsAndMaintenanceExpense
615	Contractors and consultants	Concept (Monetary)	For Period	Debit	teck:ContractorsAndConsultants
616	Overhead costs	Concept (Monetary)	For Period	Debit	teck:OverheadCosts
617	Royalties	Concept (Monetary)	For Period	Debit	ifrs-full:RoyaltyExpense
618	Other operating costs	Concept (Monetary)	For Period	Debit	ifrs-full:OtherExpenseByNature
619	Expense nature	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseByNature
620	Capitalized production stripping costs	Concept (Monetary)	For Period	Credit	teck:CapitalizedProductionStrippingCosts
621	Change in inventory	Concept (Monetary)	For Period	Debit	teck:ChangeInInventory
622	Total cost of sales, general and administration, exploration and research and development expenses	Concept (Monetary)	For Period	Debit	ifrs-full:OperatingExpense
623	1076 - Disclosure - Expenses by Nature - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureExpensesByNatureAdditionalInformation
624	Implied Table	Table	*	*	implied:Table
625	Disclosure of expenses [abstract]	Abstract			teck:DisclosureOfExpensesAbstract
626	Percentage of foreign operations utilizing U.S. dollar	Concept (Percent)	For Period		teck:PercentageOfForeignOperations
627	1077 - Disclosure - Asset and Goodwill Impairment Testing - Summary of Pre-tax Impairment Reversal and (Asset Impairments) Recorded in Statement of Income (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureAssetAndGoodwillImpairmentTestingSummaryOfPretaxImpairmentReversalAndAssetImpairmentsRecordedInStatementOfIncome
628	Disclosure of impairment loss and reversal of impairment loss [table]	Table	*	*	ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable
629	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
630	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
631	Steelmaking coal CGU [member]	Member			teck:SteelmakingCoalCguMember
632	Other [member]	Member			teck:OtherMember
633	Disclosure of impairment loss and reversal of impairment loss [line items]	LineItems			ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems
634	Impairment reversal	Concept (Monetary)	For Period	Credit	ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLoss
635	Asset impairments	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossRecognisedInProfitOrLoss
636	Impairment reversal and (asset impairments)	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
637	1078 - Disclosure - Asset and Goodwill Impairment Testing - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureAssetAndGoodwillImpairmentTestingAdditionalInformation
638	Disclosure of impairment loss and reversal of impairment loss [table]	Table	*	*	ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable
639	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
640	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
641	Steelmaking Coal [member]	Member			teck:SteelmakingCoalMember
642	Mining operations and goodwill [member]	Member			teck:MiningOperationsAndGoodwillMember
643	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
644	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
645	Steelmaking coal CGU [member]	Member			teck:SteelmakingCoalCguMember
646	Other [member]	Member			teck:OtherMember
647	Individual assets or cash-generating units [axis]	Axis			ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
648	Entity's total for individual assets or cash-generating units [member]	Member			ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
649	Steelmaking Coal Operations [member]	Member			teck:SteelmakingCoalOperationsMember
650	Quebrada Blanca [member]	Member			teck:QuebradaBlancaMember
651	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
652	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
653	Pretax [member]	Member			teck:PretaxMember
654	After tax [member]	Member			teck:AfterTaxMember
655	Unconsolidated structured entities [axis]	Axis			ifrs-full:UnconsolidatedStructuredEntitiesAxis
656	Entity's total for unconsolidated structured entities [member]	Member			ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
657	Capitalized exploration expenditures [member]	Member			teck:CapitalizedExplorationExpendituresMember
658	Quebrada Blanca assets [member]	Member			teck:QuebradaBlancaAssetsMember
659	Disclosure of impairment loss and reversal of impairment loss [line items]	LineItems			ifrs-full:DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems
660	Impairment reversal	Concept (Monetary)	For Period	Credit	ifrs-full:ReversalOfImpairmentLoss
661	Impairment charge	Concept (Monetary)	For Period		ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
662	Description of periods when cash flows expected to occur	Concept (Text/String)	For Period		ifrs-full:DescriptionOfPeriodsWhenCashFlowsExpectedToOccur
663	Recoverable amount of steelmaking coal CGU exceeding its carrying value	Concept (Monetary)	As Of	Debit	ifrs-full:AmountByWhichUnitsRecoverableAmountExceedsItsCarryingAmount
664	Decrease in price percentage	Concept (Percent)	As Of		teck:PercentageByWhichValueAssignedToKeyAssumptionMustChangeInOrderForUnitRecoverableAmountToBeEqualToCarryingAmount
665	Percentage of discount rate applied to cash flow projections	Concept (Percent)	As Of		ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
666	Percentage of nominal post-tax discount rate	Concept (Percent)	As Of		teck:PercentageOfNominalPostTaxDiscountRate
667	1079 - Disclosure - Asset and Goodwill Impairment Testing - Summary of Key Assumptions Used in Our Asset Impairment Reversal and Goodwill Impairment Analyses (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureAssetAndGoodwillImpairmentTestingSummaryOfKeyAssumptionsUsedInOurAssetImpairmentReversalAndGoodwillImpairmentAnalyses
668	Disclosure of information for cash-generating units [table]	Table	*	*	ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable
669	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
670	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
671	Steelmaking Coal [member]	Member			teck:SteelmakingCoalMember
672	Copper [member]	Member			teck:CopperMember
673	Disclosure of information for cash-generating units [line items]	LineItems			ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems
674	Key assumptions used in asset impairment, asset impairment reversal and goodwill impairment	Concept (Text/String)	For Period		teck:DescriptionOfKeyAssumptionRateOnWhichManagementHasBasedCashFlowProjectionsCommodityPrice
675	Discount rate	Concept (Percent)	As Of		ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
676	Long-term foreign exchange rate	Concept (Text/String)	For Period		teck:DescriptionOfKeyAssumptionRateOnWhichManagementHasBasedCashFlowProjectionsLongTermForeignExchangeRate
677	Inflation rate	Concept (Percent)	For Period		teck:DescriptionOfKeyAssumptionRateOnWhichManagementHasBasedCashFlowProjectionsInflationRate
678	1080 - Disclosure - Other Operating Income (Expense) - Schedule of Other Operating Income (Expense) (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureOtherOperatingIncomeExpenseScheduleOfOtherOperatingIncomeExpense
679	Implied Table	Table	*	*	implied:Table
680	Other operating Income (Expenses) [abstract]	Abstract			teck:OtherOperatingIncomeExpensesAbstract
681	Settlement pricing adjustments (Note 28(b))	Concept (Monetary)	For Period	Credit	teck:SettlementPricingAdjustments
682	Share-based compensation	Concept (Monetary)	For Period	Debit	teck:ShareBasedCompensationExpense
683	Environmental and care and maintenance costs	Concept (Monetary)	For Period	Debit	teck:EnvironmentalRelatedExpenses
684	Social responsibility and donations	Concept (Monetary)	For Period	Debit	teck:SocialResponsibilityAndDonations
685	Gain (loss) on sale of assets	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssets
686	Commodity derivatives	Concept (Monetary)	For Period	Credit	ifrs-full:GainsOnChangeInFairValueOfDerivatives
687	Take or pay contract costs	Concept (Monetary)	For Period	Debit	teck:TakeOrPayContractCosts
688	Waneta Dam sale - Gain on disposal of property plant and equipment and break free	Concept (Monetary)	For Period	Credit	teck:Waneta2018GainOnSaleOfAsset2017BreakFee
689	Other	Concept (Monetary)	For Period	Debit	ifrs-full:MiscellaneousOtherOperatingExpense
690	Other operating income (expense)	Concept (Monetary)	For Period	Credit	ifrs-full:OtherOperatingIncomeExpense
691	1081 - Disclosure - Finance Income and Finance Expense - Schedule of Finance Income and Finance Expense (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureFinanceIncomeAndFinanceExpenseScheduleOfFinanceIncomeAndFinanceExpense
692	Implied Table	Table	*	*	implied:Table
693	Disclosure of details of finance income expense [abstract]	Abstract			teck:DisclosureOfDetailsOfFinanceIncomeExpenseAbstract
694	Finance income	Abstract			teck:FinanceIncomeAbstract
695	Investment income	Concept (Monetary)	For Period	Credit	ifrs-full:InvestmentIncome
696	Total finance income	Concept (Monetary)	For Period	Credit	ifrs-full:FinanceIncome
697	Finance expense	Abstract			teck:DisclosureOfFinanceExpenseAbstract
698	Debt interest	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnBorrowings
699	Finance lease interest	Concept (Monetary)	For Period	Debit	ifrs-full:InterestExpenseOnFinanceLeases
700	Letters of credit and standby fees	Concept (Monetary)	For Period	Debit	ifrs-full:FeeAndCommissionExpense
701	Net interest expense on retirement benefit plans	Concept (Monetary)	For Period	Credit	ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
702	Accretion on decommissioning and restoration provisions	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseDueToUnwindingOfDiscountOnProvisions
703	Other	Concept (Monetary)	For Period	Debit	teck:OtherFinanceIncomeFinanceExpense
704	Finance expense gross	Concept (Monetary)	For Period	Debit	teck:FinanceExpenses
705	Less capitalized borrowing costs	Concept (Monetary)	For Period	Credit	teck:CapitalizedBorrowingCost
706	Total finance expense	Concept (Monetary)	For Period	Debit	ifrs-full:FinanceCosts
707	1082 - Disclosure - Non-Operating Income (Expense) - Schedule of Non-Operating Income (Expense) (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureNonOperatingIncomeExpenseScheduleOfNonOperatingIncomeExpense
708	Implied Table	Table	*	*	implied:Table
709	Non operating income (expense) [abstract]	Abstract			teck:NonOperatingIncomeExpenseAbstract
710	Foreign exchange gains	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
711	Gain (loss) on debt prepayment options (Note 28(b))	Concept (Monetary)	For Period	Credit	teck:GainLossOnDebtPrepaymentOptions
712	Gain on sale of investments	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnDisposalsOfInvestments
713	Loss on debt repurchases (Note 19(a) and Note 19(b))	Concept (Monetary)	For Period	Debit	teck:GainLossOnDebtRepurchases
714	Total non operating income (expense)	Concept (Monetary)	For Period	Credit	teck:NonOperatingIncomeExpense1
715	1083 - Disclosure - Supplemental Cash Flow Information - Summary of Cash Flow Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureSupplementalCashFlowInformationSummaryOfCashFlowInformation
716	Implied Table	Table	*	*	implied:Table
717	Disclosure of supplementary cash flow information [abstract]	Abstract			teck:DisclosureOfSupplementaryCashFlowInformationAbstract
718	Cash and cash equivalents	Abstract			ifrs-full:CashAndCashEquivalentsAbstract
719	Cash	Concept (Monetary)	As Of	Debit	ifrs-full:Cash
720	Investments with maturities from the date of acquisition of three months or less	Concept (Monetary)	As Of	Debit	ifrs-full:ShorttermInvestmentsClassifiedAsCashEquivalents
721	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
722	Net change in non-cashworking capital items	Abstract			ifrs-full:AdjustmentsForReconcileProfitLossAbstract
723	Trade and settlements receivables	Concept (Monetary)	For Period	Debit	teck:AdjustmentsForDecreaseIncreaseInTradeAndSettlementsReceivable
724	Prepaids and other current assets	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets
725	Inventories	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
726	Trade accounts payable and other liabilities	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables
727	Net change in non-cash working capital items	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForReconcileProfitLoss
728	1084 - Disclosure - Inventories - Summary of Inventories (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureInventoriesSummaryOfInventories
729	Implied Table	Table	*	*	implied:Table
730	Disclosure of inventories [abstract]	Abstract			teck:DisclosureOfInventoriesAbstract
731	Supplies	Concept (Monetary)	As Of	Debit	ifrs-full:ProductionSupplies
732	Raw materials	Concept (Monetary)	As Of	Debit	ifrs-full:RawMaterials
733	Work in process	Concept (Monetary)	As Of	Debit	ifrs-full:WorkInProgress
734	Finished products	Concept (Monetary)	As Of	Debit	ifrs-full:FinishedGoods
735	Inventories	Concept (Monetary)	As Of	Debit	ifrs-full:InventoriesTotal
736	Less long-term portion (Note 14)	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentInventories
737	Inventories, total	Concept (Monetary)	As Of	Debit	ifrs-full:Inventories
738	1085 - Disclosure - Inventories - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureInventoriesAdditionalInformation
739	Implied Table	Table	*	*	implied:Table
740	Disclosure of inventories [abstract]	Abstract			teck:DisclosureOfInventoriesAbstract
741	Cost of sales	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
742	inventories recognized as expense	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod
743	Net realizable value of inventories	Concept (Monetary)	As Of	Debit	ifrs-full:InventoriesAtNetRealisableValue
744	Inventory write downs	Concept (Monetary)	For Period		ifrs-full:InventoryWritedown2011
745	Reversal of inventory write-downs	Concept (Monetary)	For Period		ifrs-full:ReversalOfInventoryWritedown
746	1086 - Disclosure - Financial and Other Assets - Schedule of Financial and Other Assets (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureFinancialAndOtherAssetsScheduleOfFinancialAndOtherAssets
747	Implied Table	Table	*	*	implied:Table
748	Disclosure of financial assets [abstract]	Abstract			ifrs-full:DisclosureOfFinancialAssetsAbstract
749	Long-term receivables and deposits	Concept (Monetary)	As Of	Debit	teck:NoncurrentReceivablesAndDeposits
750	Marketable equity and debt securities carried at fair value	Concept (Monetary)	As Of	Debit	teck:MarketableEquityAndDebtSecuritiesCarriedAtFairValue
751	Debt prepayment options (Note 28(c))	Concept (Monetary)	As Of	Debit	teck:NoncurrentPrepaymentsDebtPrepaymentOptions
752	Pension plans in a net asset position (Note 21(a))	Concept (Monetary)	As Of	Debit	ifrs-full:RecognisedAssetsDefinedBenefitPlan
753	Long-term portion of inventories (Note 13)	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentInventories
754	Intangibles	Concept (Monetary)	As Of	Debit	ifrs-full:IntangibleAssetsOtherThanGoodwill
755	Other	Concept (Monetary)	As Of	Debit	ifrs-full:OtherNoncurrentFinancialAssets
756	Financial and other assets	Concept (Monetary)	As Of	Debit	ifrs-full:NoncurrentFinancialAssets
757	1087 - Disclosure - Investments in Associates and Joint Ventures - Summary of Investments in Associates and Joint Ventures (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureInvestmentsInAssociatesAndJointVenturesSummaryOfInvestmentsInAssociatesAndJointVentures
758	Disclosure of Investments in Subsidiaries Joint Ventures and Associates [table]	Table	*	*	teck:DisclosureOfInvestmentsInSubsidiariesJointVenturesAndAssociatesTable
759	Categories of related parties [axis]	Axis			ifrs-full:CategoriesOfRelatedPartiesAxis
760	Entity's total for related parties [member]	Member			ifrs-full:EntitysTotalForRelatedPartiesMember
761	Investments in associates and joint ventures [member]	Member			teck:InvestmentsInAssociatesAndJointVenturesMember
762	Joint ventures [axis]	Axis			ifrs-full:JointVenturesAxis
763	Entity's total for joint ventures [member]	Member			ifrs-full:EntitysTotalForJointVenturesMember
764	Nueva Union [member]	Member			teck:NuevaUnionMember
765	Others [member]	Member			teck:OthersMember
766	Disclosure of investments in subsidiaries joint ventures and associates [line items]	LineItems			teck:DisclosureOfInvestmentsInSubsidiariesJointVenturesAndAssociatesLineItems
767	Beginning balance	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
768	Contributions	Concept (Monetary)	For Period		ifrs-full:SupportProvidedToSubsidiaryWithoutHavingContractualObligationToDoSo
769	Changes in foreign exchange rates	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesRegulatoryDeferralAccountDebitBalances
770	Share of income (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
771	Share of other comprehensive loss	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
772	Acquisition of AQM Copper Inc.	Concept (Monetary)	As Of	Credit	teck:AcquisitionOfSubsidiary
773	Ending balance	Concept (Monetary)	As Of	Debit	ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
774	1088 - Disclosure - Property, Plant and Equipment - Summary of Property Plant and Equipment (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipment
775	Disclosure of detailed information about property, plant and equipment [table]	Table	*	*	ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
776	Classes of property, plant and equipment [axis]	Axis			ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
777	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
778	Exploration and Evaluation [member]	Member			teck:ExplorationAndEvaluationMember
779	Mineral Properties [member]	Member			teck:MineralPropertiesMember
780	Land, buildings, plant and equipment [member]	Member			teck:LandBuildingsPlantAndEquipmentMember
781	Capitalized Production Stripping Costs [member]	Member			teck:CapitalizedProductionStrippingCostsMember
782	Construction In Progress [member]	Member			ifrs-full:ConstructionInProgressMember
783	Disclosure of detailed information about property, plant and equipment [line items]	LineItems			ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
784	Opening net book value	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
785	Cost	Concept (Monetary)	As Of	Debit	teck:PropertyPlantAndEquipmentCost
786	Accumulated depreciation	Concept (Monetary)	As Of	Credit	teck:AccumulatedDepreciationPropertyPlantAndEquipment
787	Net book value	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
788	Additions	Concept (Monetary)	For Period	Debit	ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
789	Disposals	Concept (Monetary)	For Period	Credit	ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment
790	Impairment reversal and (asset impairments)	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
791	Depreciation and amortization	Concept (Monetary)	For Period		ifrs-full:DepreciationPropertyPlantAndEquipment
792	Transfers between classifications	Concept (Monetary)	For Period	Debit	teck:TransfersBetweenClassifications
793	Decommissioning and restoration provision change in estimate	Concept (Monetary)	For Period	Credit	teck:DecommissioningAndRestorationProvisionChangeInEstimate
794	Capitalized borrowing costs	Concept (Monetary)	For Period		ifrs-full:BorrowingCostsCapitalised
795	Other	Concept (Monetary)	For Period	Debit	teck:OtherPropertyPlantAndEquipmentCost
796	Reclassification of Waneta Dam to assets held for sale and other	Concept (Monetary)	For Period		teck:ReclassOfJointOperationAsset
797	Changes in foreign exchange rates	Concept (Monetary)	For Period	Credit	ifrs-full:NetForeignExchangeGain
798	Closing net book value	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyPlantAndEquipment
799	1089 - Disclosure - Property, Plant and Equipment - Finance Leases - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentFinanceLeasesAdditionalInformation
800	Disclosure of recognised finance lease as assets by lessee [table]	Table	*	*	ifrs-full:DisclosureOfRecognisedFinanceLeaseAsAssetsByLesseeTable
801	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
802	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
803	Property plant and equipment under finance leases [member]	Member			teck:PropertyPlantAndEquipmentUnderFinanceLeasesMember
804	Land, buildings, plant and equipment [member]	Member			teck:LandBuildingsPlantAndEquipmentMember
805	Disclosure of recognised finance lease as assets by lessee [line items]	LineItems			ifrs-full:DisclosureOfRecognisedFinanceLeaseAsAssetsByLesseeLineItems
806	Carrying value of property, plant and equipment held under finance leases	Concept (Monetary)	As Of	Debit	ifrs-full:RecognisedFinanceLeaseAsAssets
807	1090 - Disclosure - Property, Plant and Equipment - Borrowing Costs - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentBorrowingCostsAdditionalInformation
808	Implied Table	Table	*	*	implied:Table
809	Disclosure of detailed information about property, plant and equipment [abstract]	Abstract			ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
810	Weighted average borrowing rate for capitalization of borrowing costs	Concept (Percent)	For Period		ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation
811	1091 - Disclosure - Goodwill - Schedule of Reconciliation of Changes in Goodwill (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureGoodwillScheduleOfReconciliationOfChangesInGoodwill
812	Disclosure of reconciliation of changes in goodwill [table]	Table	*	*	ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillTable
813	Individual assets or cash-generating units [axis]	Axis			ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
814	Entity's total for individual assets or cash-generating units [member]	Member			ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
815	Steelmaking Coal Operations [member]	Member			teck:SteelmakingCoalOperationsMember
816	Quebrada Blanca [member]	Member			teck:QuebradaBlancaMember
817	Disclosure of reconciliation of changes in goodwill [line items]	LineItems			ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillLineItems
818	Beginning balance	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
819	Changes in foreign exchange rates	Concept (Monetary)	For Period	Debit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesGoodwill
820	Ending balance	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
821	1092 - Disclosure - Trade Accounts Payable and Other Liabilities - Schedule of Trade Accounts Payable and Other Liabilities (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureTradeAccountsPayableAndOtherLiabilitiesScheduleOfTradeAccountsPayableAndOtherLiabilities
822	Implied Table	Table	*	*	implied:Table
823	Trade and other payables [abstract]	Abstract			ifrs-full:TradeAndOtherPayablesAbstract
824	Trade accounts payable and accruals	Concept (Monetary)	As Of	Credit	ifrs-full:AccrualsClassifiedAsCurrent
825	Capital project accruals	Concept (Monetary)	As Of	Credit	teck:CapitalProjectAccruals
826	Payroll-related liabilities	Concept (Monetary)	As Of	Credit	teck:PayrollRelatedLiabilities
827	Accrued interest	Concept (Monetary)	As Of	Credit	teck:AccruedInterest
828	Commercial and government royalties	Concept (Monetary)	As Of	Credit	teck:CommercialAndGovernmentRoyalties
829	Customer deposits	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentDepositsFromCustomers
830	Current portion of provisions (Note 22(a))	Concept (Monetary)	As Of	Credit	teck:CurrentPortionOfProvisionsCarryingAmountOfDecommissioningLiabilityAssociatedWithLegalObligation
831	Settlement payables (Note 28(b))	Concept (Monetary)	As Of	Credit	teck:SettlementsPayable
832	Other	Concept (Monetary)	As Of	Credit	ifrs-full:OtherCurrentPayables
833	Trade account payable and other liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
834	1093 - Disclosure - Debt - Summary of Detailed Information About Borrowings (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureDebtSummaryOfDetailedInformationAboutBorrowings
835	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
836	Measurement [axis]	Axis			ifrs-full:MeasurementAxis
837	Aggregated measurement [member]	Member			ifrs-full:AggregatedMeasurementMember
838	Face Value [member]	Member			ifrs-full:AtCostMember
839	Fair Value [member]	Member			ifrs-full:AtFairValueMember
840	Classes of liabilities [axis]	Axis			ifrs-full:ClassesOfLiabilitiesAxis
841	Liabilities [member]	Member			ifrs-full:LiabilitiesMember
842	Notes issued [member]	Member			teck:NotesIssuedMember
843	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
844	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
845	2.5% notes due February 2018 [member]	Member			teck:TwoPointFivePercentageNotesDueFebruaryTwoThousandEighteenMember
846	4.5% notes due January 2021 [member]	Member			teck:FourPointFivePercentageNotesDueJanuaryTwoThousandTwentyOneMember
847	4.75% notes due January 2022 [member]	Member			teck:FourPointSevenFivePercentageNotesDueJanuaryTwoThousandTwentyTwoMember
848	3.75% notes due February 2023 [member]	Member			teck:ThreePointSevenFivePercentageNotesDueFebruaryTwoThousandTwentyThreeMember
849	8.50% notes due June 2024 [member]	Member			teck:EightPointFivePercentageNotesDueJuneTwoThousandTwentyFourMember
850	6.125% notes due October 2035 [member]	Member			teck:SixPointOneTwoFivePercentageNotesDueOctoberTwoThousandThirtyFiveMember
851	6.0% notes due August 2040 [member]	Member			teck:SixPointZeroPercentageNotesDueAugustTwoThousandFortyMember
852	6.25% notes due July 2041 [member]	Member			teck:SixPointTwoFivePercentageNotesDueJulyTwoThousandFortyOneMember
853	5.2% notes due March 2042 [member]	Member			teck:FivePointTwoPercentageNotesDueMarchTwoThousandFortyTwoMember
854	5.4% notes due February 2043 [member]	Member			teck:FivePointFourPercentageNotesDueFebruaryTwoThousandFortyThreeMember
855	Antamina term loan due April 2020 [member]	Member			teck:AntaminaTermLoanDueAprilTwoThousandTwentyMember
856	Other [member]	Member			teck:OtherBorrowingsMember
857	Disclosure of detailed information about borrowings [line items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
858	Finance lease liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:FinanceLeaseLiabilities
859	Gross debt	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
860	Less current portion of debt	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentPortionOfLongtermBorrowings
861	Borrowings	Concept (Monetary)	As Of	Credit	ifrs-full:LongtermBorrowings
862	1094 - Disclosure - Debt - Summary of Detailed Information About Borrowings (Parenthetical) (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureDebtSummaryOfDetailedInformationAboutBorrowingsParenthetical
863	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
864	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
865	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
866	2.5% notes due February 2018 [member]	Member			teck:TwoPointFivePercentageNotesDueFebruaryTwoThousandEighteenMember
867	4.5% notes due January 2021 [member]	Member			teck:FourPointFivePercentageNotesDueJanuaryTwoThousandTwentyOneMember
868	4.75% notes due January 2022 [member]	Member			teck:FourPointSevenFivePercentageNotesDueJanuaryTwoThousandTwentyTwoMember
869	3.75% notes due February 2023 [member]	Member			teck:ThreePointSevenFivePercentageNotesDueFebruaryTwoThousandTwentyThreeMember
870	8.50% notes due June 2024 [member]	Member			teck:EightPointFivePercentageNotesDueJuneTwoThousandTwentyFourMember
871	6.125% notes due October 2035 [member]	Member			teck:SixPointOneTwoFivePercentageNotesDueOctoberTwoThousandThirtyFiveMember
872	6.0% notes due August 2040 [member]	Member			teck:SixPointZeroPercentageNotesDueAugustTwoThousandFortyMember
873	6.25% notes due July 2041 [member]	Member			teck:SixPointTwoFivePercentageNotesDueJulyTwoThousandFortyOneMember
874	5.2% notes due March 2042 [member]	Member			teck:FivePointTwoPercentageNotesDueMarchTwoThousandFortyTwoMember
875	5.4% notes due February 2043 [member]	Member			teck:FivePointFourPercentageNotesDueFebruaryTwoThousandFortyThreeMember
876	Antamina term loan due April 2020 [member]	Member			teck:AntaminaTermLoanDueAprilTwoThousandTwentyMember
877	Classes of liabilities [axis]	Axis			ifrs-full:ClassesOfLiabilitiesAxis
878	Liabilities [member]	Member			ifrs-full:LiabilitiesMember
879	Notes issued [member]	Member			teck:NotesIssuedMember
880	Disclosure of detailed information about borrowings [line items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
881	Interest rate of notes	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
882	Maturity date	Concept (Text/String)	For Period		ifrs-full:BorrowingsMaturity
883	1095 - Disclosure - Debt - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureDebtAdditionalInformation
884	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
885	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
886	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
887	Notes Purchased [member]	Member			teck:NotesPurchasedMember
888	3.0% notes due March 2019 [member]	Member			teck:ThreePointZeroPercentageNotesDueMarchTwoThousandNineteenMember
889	4.5% notes due January 2021 [member]	Member			teck:FourPointFivePercentageNotesDueJanuaryTwoThousandTwentyOneMember
890	8.0% notes due June 2021 [member]	Member			teck:EightPointZeroPercentageNotesDueJuneTwoThousandTwentyOneMember
891	4.75% notes due January 2022 [member]	Member			teck:FourPointSevenFivePercentageNotesDueJanuaryTwoThousandTwentyTwoMember
892	3.75% notes due February 2023 [member]	Member			teck:ThreePointSevenFivePercentageNotesDueFebruaryTwoThousandTwentyThreeMember
893	Disclosure of detailed information about borrowings [line items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
894	Principal amount of notes repurchased	Concept (Monetary)	For Period	Credit	teck:PrincipalAmountOfNotesRepurchased
895	Borrowings, interest rate	Concept (Percent)	As Of		ifrs-full:BorrowingsInterestRate
896	Cost of purchases	Concept (Monetary)	For Period	Credit	teck:CostOfPurchaseOfNotes
897	Loss on debt repurchases	Concept (Monetary)	For Period	Debit	teck:GainLossOnDebtRepurchases
898	Loss on write-off of prepayment Option	Concept (Monetary)	For Period	Debit	teck:PreTaxLossOnWriteoffOfPrepaymentOption
899	1096 - Disclosure - Debt - Finance Lease Liabilities - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureDebtFinanceLeaseLiabilitiesAdditionalInformation
900	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
901	Finance Lease [axis]	Axis			teck:FinanceLeaseAxis
902	Finance Lease [domain]	Member			teck:FinanceLeaseDomain
903	Property plant and equipment under finance leases [member]	Member			teck:PropertyPlantAndEquipmentUnderFinanceLeasesMember
904	Joint operations [axis]	Axis			ifrs-full:JointOperationsAxis
905	Entity's total for joint operations [member]	Member			ifrs-full:EntitysTotalForJointOperationsMember
906	Fort Hills Energy Limited Partnership [member]	Member			teck:FortHillsEnergyLimitedPartnershipMember
907	Disclosure of detailed information about borrowings [line items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
908	Carrying amount of assets under finance leases	Concept (Monetary)	As Of	Debit	ifrs-full:RecognisedFinanceLeaseAsAssets
909	Finance lease liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:FinanceLeaseLiabilities
910	Lease term	Concept (Text/String)	For Period		teck:DescriptionOfLeaseAgreementsTerm
911	Lease renewal option periods	Concept (Text/String)	For Period		teck:DescriptionOfFinanceLeaseRenewalOptions
912	1097 - Disclosure - Debt - Summary of Minimum Lease Payments of Finance Lease Liabilities and Effect of Discounting (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureDebtSummaryOfMinimumLeasePaymentsOfFinanceLeaseLiabilitiesAndEffectOfDiscounting
913	Disclosure of maturity analysis of operating lease payments [table]	Table	*	*	ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsTable
914	Maturity [axis]	Axis			ifrs-full:MaturityAxis
915	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
916	Less Than 1 Year [member]	Member			ifrs-full:NotLaterThanOneYearMember
917	Later than one year and not later than five years [member]	Member			ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
918	More Than 5 Years [member]	Member			ifrs-full:LaterThanFiveYearsMember
919	Disclosure of maturity analysis of operating lease payments [line items]	LineItems			ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsLineItems
920	Undiscounted minimum finance lease payments	Concept (Monetary)	As Of	Credit	ifrs-full:MinimumFinanceLeasePaymentsPayable
921	Effect of discounting	Concept (Monetary)	As Of	Debit	teck:DiscountingEffectFinanceLeaseLiabilities
922	Present value of minimum finance lease payments - total finance lease liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:MinimumFinanceLeasePaymentsPayableAtPresentValue
923	Less current portion	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentFinanceLeaseLiabilities
924	Long-term finance lease liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentFinanceLeaseLiabilities
925	1098 - Disclosure - Debt - Optional Redemptions - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureDebtOptionalRedemptionsAdditionalInformation
926	Implied Table	Table	*	*	implied:Table
927	Disclosure of detailed information about borrowings [abstract]	Abstract			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
928	Redemption description	Concept (Text/String)	For Period		teck:BorrowingsRedemptionDescription
929	1099 - Disclosure - Debt - Revolving Facilities - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureDebtRevolvingFacilitiesAdditionalInformation
930	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
931	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
932	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
933	Uncommitted credit facilities [member]	Member			teck:UncommittedCreditFacilitiesMember
934	Stand alone credit facility [member]	Member			teck:StandAloneCreditFacilityMember
935	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
936	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
937	US$ 4.0 Billion Revolving Credit Facility [member]	Member			teck:USFourBillionRevolvingCreditFacilityMember
938	US $ 600 Million Revolving Credit Facility [member]	Member			teck:USDollarSixHundredMillionRevolvingCreditFacilityMaturedOnNovemberTwoThousandTwentyOneMember
939	Range [axis]	Axis			ifrs-full:RangeAxis
940	Ranges [member]	Member			ifrs-full:RangesMember
941	Top of range [member]	Member			ifrs-full:TopOfRangeMember
942	Disclosure of detailed information about borrowings [line items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
943	Number of committed revolving credit facilities	Concept (Integer)	For Period		teck:NumberOfRevolvingCreditFacility
944	Undrawn borrowings	Concept (Monetary)	As Of	Credit	ifrs-full:UndrawnBorrowingFacilities
945	Maturity date	Concept (Text/String)	For Period		ifrs-full:BorrowingsMaturity
946	Outstanding letters of credit	Concept (Monetary)	As Of	Credit	teck:LettersOfCreditOutstandingAmount1
947	Debt-to-capitalization ratio	Concept (Pure)	As Of		teck:NetDebtToCapitalizationConversionRatio
948	Outstanding letters of credit for financial security requirements under power purchase agreements	Concept (Monetary)	As Of	Credit	teck:LettersOfCreditOutstandingForSecurity
949	Surety bonds outstanding	Concept (Monetary)	As Of	Debit	teck:SuretyBondsOutstanding
950	1100 - Disclosure - Debt - Scheduled Principal Payments (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureDebtScheduledPrincipalPayments
951	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
952	Maturity [axis]	Axis			ifrs-full:MaturityAxis
953	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
954	2020 [member]	Member			ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
955	2021 [member]	Member			ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
956	2022 [member]	Member			ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
957	2023 [member]	Member			ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
958	More Than 5 Years [member]	Member			ifrs-full:LaterThanFiveYearsMember
959	Disclosure of detailed information about borrowings [line items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
960	Principal payments	Concept (Monetary)	As Of	Credit	teck:FuturePrincipalPaymentsDueOnBorrowings
961	1101 - Disclosure - Debt - Summary of Debt Continuity (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureDebtSummaryOfDebtContinuity
962	Disclosure of detailed information about borrowings [table]	Table	*	*	ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
963	Category of Debt Security [axis]	Axis			teck:CategoryOfDebtSecurityAxis
964	Category of Debt Security [domain]	Member			teck:CategoryOfDebtSecurityDomain
965	Debt Continuity [member]	Member			teck:DebtContinuityMember
966	Disclosure of detailed information about borrowings [line items]	LineItems			ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
967	Borrowings at beginning of period	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
968	Cash flows	Abstract			teck:CashFlowsFromUsedInIncreaseDecreaseInBorrowingsAbstract
969	Scheduled debt repayments	Concept (Monetary)	For Period	Credit	ifrs-full:RepaymentsOfBondsNotesAndDebentures
970	Debt repurchases	Concept (Monetary)	For Period	Credit	teck:RepurchaseOfNotes
971	Finance lease payments (c)	Concept (Monetary)	For Period	Credit	teck:FinanceLeasePayments
972	Non-cash changes	Abstract			teck:NonCashTransactionsAbstract
973	Loss on debt repurchases (a)(b)	Concept (Monetary)	For Period	Debit	teck:LossGainOnDebtRepurchasesNonCashTransactions
974	Changes in foreign exchange rates	Concept (Monetary)	For Period	Debit	teck:EffectOfChangesInForeignExchangeRatesOnDebt
975	Finance lease liabilities (c)	Concept (Monetary)	For Period	Credit	teck:NoncashTransactionsFinanceLeaseObligationsIncurred
976	Finance fees and discount amortization	Concept (Monetary)	For Period	Debit	teck:NoncashTransactionsFinanceFeesAndDiscountAmortization
977	Other	Concept (Monetary)	For Period	Debit	teck:OtherNoncashCharges
978	Borrowings at end of balance	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
979	1102 - Disclosure - Income Taxes - Summary of Provision for Income Taxes (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfProvisionForIncomeTaxes
980	Implied Table	Table	*	*	implied:Table
981	Major components of tax expense (income) [abstract]	Abstract			ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
982	Current	Abstract			ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract
983	Current taxes on profits for the year	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncome
984	Adjustments for current taxes of prior periods	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
985	Total current taxes	Concept (Monetary)	For Period	Debit	ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
986	Deferred	Abstract			ifrs-full:DeferredTaxExpenseIncomeAbstract
987	Origination and reversal of temporary differences	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
988	Adjustments to deferred taxes of prior periods	Concept (Monetary)	For Period	Debit	ifrs-full:AdjustmentsForDeferredTaxOfPriorPeriods
989	Tax losses not recognized (recognition of previously unrecognized losses)	Concept (Monetary)	For Period	Credit	ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense
990	Effect due to tax legislative changes	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes
991	Total deferred taxes	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncome
992	Provision for income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
993	1103 - Disclosure - Income Taxes - Summary of Reconciliation of Income Taxes (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfReconciliationOfIncomeTaxes
994	Implied Table	Table	*	*	implied:Table
995	Reconciliation of accounting profit multiplied by applicable tax rates [abstract]	Abstract			ifrs-full:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract
996	Tax expense at the Canadian statutory income tax rate of 27% (2017 - 26.10%)	Concept (Monetary)	For Period	Debit	ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
997	Resource taxes	Concept (Monetary)	For Period	Debit	teck:TaxEffectOfResourceTaxes
998	Resource and depletion allowances	Concept (Monetary)	For Period	Credit	teck:TaxEffectOfResourceDepletionAndOtherDepreciationAllowances
999	Non-temporary differences including one-half of capital gains and losses	Concept (Monetary)	For Period	Debit	teck:TaxEffectOfNontemporaryDifferencesIncludingOnehalfOfCapitalGainsAndLosses
1000	Tax pools not recognized (recognition of previously unrecognized tax pools)	Concept (Monetary)	For Period	Debit	ifrs-full:TaxEffectOfTaxLosses
1001	Effect due to tax legislative changes	Concept (Monetary)	For Period	Debit	ifrs-full:TaxEffectFromChangeInTaxRate
1002	Withholding taxes	Concept (Monetary)	For Period	Debit	teck:TaxEffectOfWithholdingTaxes
1003	Difference in tax rates in foreign jurisdictions	Concept (Monetary)	For Period	Debit	ifrs-full:TaxEffectOfForeignTaxRates
1004	Revisions to prior year estimates	Concept (Monetary)	For Period	Debit	teck:TaxEffectOfPriorYearAdjustments
1005	Other	Concept (Monetary)	For Period	Debit	ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
1006	Provision for income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
1007	1104 - Disclosure - Income Taxes - Summary of Reconciliation of Income Taxes (Parenthetical) (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfReconciliationOfIncomeTaxesParenthetical
1008	Implied Table	Table	*	*	implied:Table
1009	Reconciliation of accounting profit multiplied by applicable tax rates [abstract]	Abstract			ifrs-full:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract
1010	Statutory tax rate	Concept (Percent)	For Period		ifrs-full:ApplicableTaxRate
1011	1105 - Disclosure - Income Taxes - Summary of Deferred Tax Expense Charged (Credited) to Income Statement (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfDeferredTaxExpenseChargedCreditedToIncomeStatement
1012	Disclosure Of Income Taxes [table]	Table	*	*	teck:DisclosureOfIncomeTaxesTable
1013	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1014	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1015	Net operating loss carryforwards [member]	Member			teck:NetOperatingLossCarryforwardMember
1016	Capital allowances in excess of depreciation [member]	Member			teck:CapitalAllowancesMember
1017	Decommissioning and restoration provisions [member]	Member			teck:DecommissioningAndOtherProvisionsMember
1018	U.S. alternative minimum tax credits [member]	Member			teck:USAlternativeMinimumTaxCreditsMember
1019	Unrealized foreign exchange [member]	Member			ifrs-full:UnrealisedForeignExchangeGainsLossesMember
1020	Withholding taxes [member]	Member			teck:WithholdingIncomeTaxesMember
1021	Inventories [member]	Member			teck:Inventories1Member
1022	Other temporary differences [member]	Member			ifrs-full:OtherTemporaryDifferencesMember
1023	Disclosure of Income Taxes [line items]	LineItems			teck:DisclosureOfIncomeTaxesLineItems
1024	Deferred tax expense (income) relating to origination and reversal of temporary differences	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
1025	Deferred tax expense (income)	Concept (Monetary)	For Period	Debit	ifrs-full:DeferredTaxExpenseIncome
1026	1106 - Disclosure - Income Taxes - Summary of Temporary Differences Giving Rise to Deferred Income Tax Assets and Liabilities (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfTemporaryDifferencesGivingRiseToDeferredIncomeTaxAssetsAndLiabilities
1027	Disclosure of temporary difference, unused tax losses and unused tax credits [table]	Table	*	*	ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
1028	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1029	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1030	Net operating loss carryforwards [member]	Member			teck:NetOperatingLossCarryforwardMember
1031	Property, plant and equipment [member]	Member			ifrs-full:PropertyPlantAndEquipmentMember
1032	Decommissioning and restoration provisions [member]	Member			teck:DecommissioningAndOtherProvisionsMember
1033	U.S. alternative minimum tax credits [member]	Member			teck:USAlternativeMinimumTaxCreditsMember
1034	Unrealized foreign exchange [member]	Member			ifrs-full:UnrealisedForeignExchangeGainsLossesMember
1035	Withholding taxes [member]	Member			teck:WithholdingIncomeTaxesMember
1036	Inventories [member]	Member			teck:Inventories1Member
1037	Other temporary differences [member]	Member			ifrs-full:OtherTemporaryDifferencesMember
1038	Disclosure of temporary difference, unused tax losses and unused tax credits [line items]	LineItems			ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1039	Deferred income tax assets	Concept (Monetary)	As Of	Debit	teck:DeferredTaxAssetsTemporaryDifferences
1040	Deferred income tax liabilities	Concept (Monetary)	As Of	Credit	teck:DeferredTaxLiabilitiesTemporaryDifferences
1041	1107 - Disclosure - Income Taxes - Summary of Movement in Net Deferred Income Taxes Account (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfMovementInNetDeferredIncomeTaxesAccount
1042	Implied Table	Table	*	*	implied:Table
1043	Reconciliation of changes in deferred tax liability (asset) [abstract]	Abstract			ifrs-full:ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract
1044	Beginning balance	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
1045	Income statement change	Concept (Monetary)	For Period		ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1046	Tax charge relating to components of other comprehensive income	Concept (Monetary)	For Period		ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1047	Foreign exchange and other differences	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset
1048	Ending balance	Concept (Monetary)	As Of	Credit	ifrs-full:DeferredTaxLiabilityAsset
1049	1108 - Disclosure - Income Taxes - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation
1050	Disclosure Of Income Taxes [table]	Table	*	*	teck:DisclosureOfIncomeTaxesTable
1051	Temporary difference, unused tax losses and unused tax credits [axis]	Axis			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1052	Temporary difference, unused tax losses and unused tax credits [member]	Member			ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1053	Unused Tax Credits [member]	Member			ifrs-full:UnusedTaxCreditsMember
1054	Tax Assessment Period [axis]	Axis			teck:TaxAssessmentPeriodAxis
1055	Tax Assessment Period [domain]	Member			teck:TaxAssessmentPeriodDomain
1056	2013 [member]	Member			teck:TwoThousandAndThirteenMember
1057	2013, 2014, and 2015 [member]	Member			teck:TwoThousandAndThirteenFourteenAndFifteenMember
1058	Joint operations [axis]	Axis			ifrs-full:JointOperationsAxis
1059	Entity's total for joint operations [member]	Member			ifrs-full:EntitysTotalForJointOperationsMember
1060	Antamina [member]	Member			teck:AntaminaMember
1061	Disclosure of Income Taxes [line items]	LineItems			teck:DisclosureOfIncomeTaxesLineItems
1062	Unrecognized deferred tax liabilities	Concept (Monetary)	As Of	Credit	teck:UnrecognizedDeferredTaxLiabilities
1063	Unused tax losses	Concept (Monetary)	For Period	Debit	teck:NetOperatingLossCarryforwards
1064	Loss carryforwards expiration, start year	Concept (Text/String)	For Period		teck:DeferredTaxAssetsLossCarryforwardsExpirationYearStart
1065	Loss carryforwards expiration, end year	Concept (Year)	For Period		teck:DeferredTaxAssetsLossCarryforwardsExpirationYearEnd
1066	Cumulative Canadian development expenses	Concept (Monetary)	For Period	Debit	teck:CumulativeDevelopmentExpenses
1067	Development expenses deductible percentage	Concept (Percent)	For Period		teck:PotentialTaxBenefitPercentage
1068	Federal investment tax credits	Concept (Monetary)	For Period	Debit	teck:InvestmentTaxCredit
1069	Investment tax credits, start year	Concept (Year)	For Period		teck:InvestmentTaxCreditsExpirationYearStart
1070	Investment tax credits, end year	Concept (Year)	For Period		teck:InvestmentTaxCreditsExpirationYearEnd
1071	Unrecognized deferred tax assets	Concept (Monetary)	As Of	Debit	teck:UnrecognizedDeferredTaxAssets
1072	Ownership interest in joint operation	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInJointOperation
1073	Current tax debt, including interest and penalties	Concept (Monetary)	As Of	Credit	teck:CurrentTaxDebtPayable
1074	Charge to earnings consisting of interest and penalties	Concept (Monetary)	As Of	Debit	teck:TaxRelatedInterestAndPenaltiesAssessed
1075	1109 - Disclosure - Retirement Benefit Plans - Summary of Actuarial Valuation of Plans (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfActuarialValuationOfPlans
1076	Disclosure of net defined benefit liability (asset) [table]	Table	*	*	ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1077	Defined benefit plans [axis]	Axis			ifrs-full:DefinedBenefitPlansAxis
1078	Defined benefit plans [member]	Member			ifrs-full:DefinedBenefitPlansMember
1079	Defined Benefit Pension Plans [member]	Member			ifrs-full:DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
1080	Non-Pension Post-Retirement Benefit [member]	Member			teck:PostRetirementBenefitMember
1081	Net defined benefit liability (asset) [axis]	Axis			ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1082	Net defined benefit liability (asset) [member]	Member			ifrs-full:NetDefinedBenefitLiabilityAssetMember
1083	Defined benefit obligation [member]	Member			ifrs-full:PresentValueOfDefinedBenefitObligationMember
1084	Fair value of plan assets [Member]	Member			ifrs-full:PlanAssetsMember
1085	Less effect of the asset ceiling [Member]	Member			ifrs-full:EffectOfAssetCeilingMember
1086	Represented by [Member]	Member			teck:RetiremnetBenefitPlanMember
1087	Disclosure of net defined benefit liability (asset) [line items]	LineItems			ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
1088	Balance at beginning of year	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1089	Current service cost	Concept (Monetary)	For Period	Credit	ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
1090	Past service costs arising from plan improvements	Concept (Monetary)	For Period	Credit	ifrs-full:PastServiceCostNetDefinedBenefitLiabilityAsset
1091	Benefits paid	Concept (Monetary)	For Period	Debit	ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset
1092	Interest income expense	Concept (Monetary)	For Period	Credit	ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
1093	Obligation experience adjustments	Concept (Monetary)	For Period	Debit	ifrs-full:ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset
1094	Return on plan assets, excluding amounts included in interest income	Concept (Monetary)	For Period	Debit	ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset
1095	Effect from change in financial assumptions	Concept (Monetary)	For Period	Debit	ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
1096	Contributions by the employer	Concept (Monetary)	For Period	Debit	ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
1097	Effect from change in demographic assumptions	Concept (Monetary)	For Period	Debit	ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset
1098	Changes in foreign exchange rates	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset
1099	Balance at end of year	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1100	Funding surplus (deficit)	Concept (Monetary)	As Of	Debit	ifrs-full:SurplusDeficitInPlan
1101	Balance at beginning of year	Concept (Monetary)	For Period	Credit	teck:EffectOfAssetCeilingBeginningBalance
1102	Interest on asset ceiling	Concept (Monetary)	For Period	Credit	teck:InterestCostOnEffectOfAssetCeilingNetDefinedBenefitLiabilityAsset
1103	Change in asset ceiling	Concept (Monetary)	For Period	Debit	ifrs-full:GainLossOnChangesInEffectOfLimitingNetDefinedBenefitAssetToAssetCeiling
1104	Balance at end of year	Concept (Monetary)	As Of	Credit	teck:EffectOfAssetCeilingEndingBalance
1105	Pension assets (Note 14)	Concept (Monetary)	As Of	Debit	ifrs-full:AssetsOfBenefitPlan
1106	Accrued retirement benefit liability	Concept (Monetary)	As Of	Credit	ifrs-full:LiabilitiesOtherThanActuarialPresentValueOfPromisedRetirementBenefits
1107	Net accrued retirement benefit asset (liability)	Concept (Monetary)	As Of	Credit	ifrs-full:AssetsLiabilitiesOfBenefitPlan
1108	1110 - Disclosure - Retirement Benefit Plans - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureRetirementBenefitPlansAdditionalInformation
1109	Disclosure of net defined benefit liability (asset) [table]	Table	*	*	ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable
1110	Defined benefit plans [axis]	Axis			ifrs-full:DefinedBenefitPlansAxis
1111	Defined benefit plans [member]	Member			ifrs-full:DefinedBenefitPlansMember
1112	Non-Pension Post-Retirement Benefit [member]	Member			teck:PostRetirementBenefitMember
1113	Defined Benefit Pension Plans [member]	Member			ifrs-full:DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
1114	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
1115	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
1116	British Columbia [member]	Member			stpr:CA-BC
1117	Characteristics of defined benefit plans [axis]	Axis			ifrs-full:CharacteristicsOfDefinedBenefitPlansAxis
1118	Characteristics of defined benefit plans [member]	Member			ifrs-full:CharacteristicsOfDefinedBenefitPlansMember
1119	Medical Services Plan Premiums [member]	Member			ifrs-full:PostemploymentMedicalDefinedBenefitPlansMember
1120	Disclosure of net defined benefit liability (asset) [line items]	LineItems			ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
1121	Surplus(deficit)of plan	Concept (Monetary)	As Of	Debit	teck:EffectOfAssetCeiling
1122	Effect from change in financial assumptions	Concept (Monetary)	For Period	Credit	teck:EffectFromChangeInFinancialAssumptions
1123	Expected contribution to defined benefit pension plans for the next annual reporting period	Concept (Monetary)	For Period	Credit	ifrs-full:EstimateOfContributionsExpectedToBePaidToPlan
1124	Weighted average duration of the defined benefit obligation	Concept (xbrli:durationItemType)	For Period		teck:WeightedAverageDurationOfDefinedBenefitObligationInYear
1125	Defined contribution expense	Concept (Monetary)	For Period	Debit	teck:DefinedContributionPlanExpense
1126	1111 - Disclosure - Retirement Benefit Plans - Summary of Weighted Average Assumptions Used to Calculate the Defined Benefit Obligation (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfWeightedAverageAssumptionsUsedToCalculateTheDefinedBenefitObligation
1127	Disclosure of sensitivity analysis for actuarial assumptions [table]	Table	*	*	ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
1128	Defined benefit plans [axis]	Axis			ifrs-full:DefinedBenefitPlansAxis
1129	Defined benefit plans [member]	Member			ifrs-full:DefinedBenefitPlansMember
1130	Defined Benefit Pension Plans [member]	Member			ifrs-full:DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
1131	Non-Pension Post-Retirement Benefit [member]	Member			teck:PostRetirementBenefitMember
1132	Disclosure of sensitivity analysis for actuarial assumptions [line items]	LineItems			ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
1133	Discount rate	Concept (Percent)	As Of		ifrs-full:ActuarialAssumptionOfDiscountRates
1134	Rate of increase in future compensation	Concept (Percent)	As Of		ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
1135	Medical trend rate	Concept (Percent)	As Of		ifrs-full:ActuarialAssumptionOfMedicalCostTrendRates
1136	1112 - Disclosure - Retirement Benefit Plans - Summary of Sensitivity of Defined Benefit Obligation to Changes in Weighted Average Assumptions (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfSensitivityOfDefinedBenefitObligationToChangesInWeightedAverageAssumptions
1137	Disclosure of sensitivity analysis for actuarial assumptions [table]	Table	*	*	ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
1138	Actuarial assumptions [axis]	Axis			ifrs-full:ActuarialAssumptionsAxis
1139	Actuarial assumptions [member]	Member			ifrs-full:ActuarialAssumptionsMember
1140	Discount rate [member]	Member			ifrs-full:ActuarialAssumptionOfDiscountRatesMember
1141	Rate of increase in future compensation [member]	Member			ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember
1142	Medical cost claim trend rate [member]	Member			ifrs-full:ActuarialAssumptionOfMedicalCostTrendRatesMember
1143	Disclosure of sensitivity analysis for actuarial assumptions [line items]	LineItems			ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
1144	Change in Assumption	Concept (Percent)	As Of		teck:PercentageOfChangeInActuarialAssumption
1145	Increase in Assumption	Concept (Percent)	As Of		ifrs-full:PercentageOfReasonablyPossibleIncreaseInActuarialAssumption
1146	Decrease in Assumption	Concept (Percent)	As Of		ifrs-full:PercentageOfReasonablyPossibleDecreaseInActuarialAssumption
1147	1113 - Disclosure - Retirement Benefit Plans - Summary of Life Expectancies for Employee Retiring at Age 65 (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfLifeExpectanciesForEmployeeRetiringAtAge65
1148	Implied Table	Table	*	*	implied:Table
1149	Disclosure of defined benefit plans [abstract]	Abstract			ifrs-full:DisclosureOfDefinedBenefitPlansAbstract
1150	Retiring at the end of the reporting period, Male	Concept (Text/String)	For Period		teck:LifeExpectationPeriodOfMaleEmployeesRetiringAtTheEndOfReportingPeriod
1151	Retiring 20 years after the end of the reporting period, Male	Concept (Text/String)	For Period		teck:LifeExpectationPeriodOfMaleEmployeesRetiringTwentyYearsAfterTheEndOfReportingPeriod
1152	Retiring at the end of the reporting period, Female	Concept (Text/String)	For Period		teck:LifeExpectationPeriodOfFemaleEmployeesRetiringAtTheEndOfReportingPeriod
1153	Retiring 20 years after the end of the reporting period, Female	Concept (Text/String)	For Period		teck:LifeExpectationPeriodOfFemaleEmployeesRetiringTwentyYearsAfterTheEndOfReportingPeriod
1154	1114 - Disclosure - Retirement Benefit Plans - Summary of Defined Benefit Pension Plan Assets (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureRetirementBenefitPlansSummaryOfDefinedBenefitPensionPlanAssets
1155	Disclosure of fair value of plan assets [table]	Table	*	*	ifrs-full:DisclosureOfFairValueOfPlanAssetsTable
1156	Defined benefit plans [axis]	Axis			ifrs-full:DefinedBenefitPlansAxis
1157	Defined benefit plans [member]	Member			ifrs-full:DefinedBenefitPlansMember
1158	Quoted [member]	Member			teck:QuotedMember
1159	Unquoted [member]	Member			teck:UnquotedMember
1160	Disclosure of fair value of plan assets [line items]	LineItems			ifrs-full:DisclosureOfFairValueOfPlanAssetsLineItems
1161	Equity securities	Concept (Monetary)	As Of	Debit	ifrs-full:EquityInstrumentsAmountContributedToFairValueOfPlanAssets
1162	Debt securities	Concept (Monetary)	As Of	Debit	ifrs-full:DebtInstrumentsAmountContributedToFairValueOfPlanAssets
1163	Real estate and other	Concept (Monetary)	As Of	Debit	ifrs-full:PropertyAmountContributedToFairValueOfPlanAssets
1164	Equity securities	Concept (Percent)	As Of		teck:PercentageOfEquityInstrumentsAmountContributedToFairValueOfPlanAssets
1165	Debt securities	Concept (Percent)	As Of		teck:PercentageOfDebtInstrumentsAmountContributedToFairValueOfPlanAssets
1166	Real estate and other	Concept (Percent)	As Of		teck:PercentageOfRealEstateAndOtherContributedToFairValueOfPlanAssets
1167	1115 - Disclosure - Provisions and Other Liabilities - Summary of Provisions and Other Liabilities (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureProvisionsAndOtherLiabilitiesSummaryOfProvisionsAndOtherLiabilities
1168	Implied Table	Table	*	*	implied:Table
1169	Disclosure of other provisions [abstract]	Abstract			ifrs-full:DisclosureOfOtherProvisionsAbstract
1170	Provisions	Concept (Monetary)	As Of	Credit	teck:LongTermProvisions
1171	Derivative liabilities (net of current portion of $6 (2017 - $nil))	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentDerivativeFinancialLiabilities
1172	IMSA payable	Concept (Monetary)	For Period	Credit	teck:AcquisitionOfEquityInterestInInvestee
1173	Other	Concept (Monetary)	As Of	Credit	ifrs-full:OtherLiabilities
1174	Other liabilities and provisions	Concept (Monetary)	As Of	Credit	teck:OtherLiabilitiesAndProvisions
1175	1116 - Disclosure - Provisions and Other Liabilities - Summary of Provisions and Other Liabilities (Parenthetical) (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureProvisionsAndOtherLiabilitiesSummaryOfProvisionsAndOtherLiabilitiesParenthetical
1176	Implied Table	Table	*	*	implied:Table
1177	Disclosure of other provisions [abstract]	Abstract			ifrs-full:DisclosureOfOtherProvisionsAbstract
1178	Derivative liabilities, current	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentDerivativeFinancialLiabilities
1179	1117 - Disclosure - Provisions and Other Liabilities - Summary of Movements in Provisions (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureProvisionsAndOtherLiabilitiesSummaryOfMovementsInProvisions
1180	Disclosure of other provisions [table]	Table	*	*	ifrs-full:DisclosureOfOtherProvisionsTable
1181	Classes of other provisions [axis]	Axis			ifrs-full:ClassesOfProvisionsAxis
1182	Other provisions [member]	Member			ifrs-full:OtherProvisionsMember
1183	Decommissioning and Restoration Provisions [member]	Member			ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
1184	Other [member]	Member			ifrs-full:MiscellaneousOtherProvisionsMember
1185	Disclosure of other provisions [line items]	LineItems			ifrs-full:DisclosureOfOtherProvisionsLineItems
1186	Provisions, beginning balance	Concept (Monetary)	As Of	Credit	ifrs-full:Provisions
1187	Settled during the year	Concept (Monetary)	For Period	Debit	ifrs-full:ProvisionUsedOtherProvisions
1188	Change in discount rate	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughChangeInDiscountRateOtherProvisions
1189	Change in amount and timing of cash flows	Concept (Monetary)	For Period	Credit	teck:ChangeInAmountAndTimingOfCashFlows
1190	Accretion	Concept (Monetary)	For Period	Credit	ifrs-full:AdditionalProvisionsOtherProvisions
1191	Other	Concept (Monetary)	For Period	Credit	teck:IncreaseDecreaseThroughOtherChangeOtherProvisions
1192	Changes in foreign exchange rates	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions
1193	Provisions, ending balance	Concept (Monetary)	As Of	Credit	ifrs-full:Provisions
1194	Less current portion of provisions (Note 18)	Concept (Monetary)	As Of	Credit	ifrs-full:CurrentProvisions
1195	Long-term provisions	Concept (Monetary)	As Of	Credit	ifrs-full:NoncurrentProvisions
1196	1118 - Disclosure - Provisions and Other Liabilities - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureProvisionsAndOtherLiabilitiesAdditionalInformation
1197	Disclosure of other provisions [table]	Table	*	*	ifrs-full:DisclosureOfOtherProvisionsTable
1198	Range [axis]	Axis			ifrs-full:RangeAxis
1199	Ranges [member]	Member			ifrs-full:RangesMember
1200	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
1201	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1202	Classes of other provisions [axis]	Axis			ifrs-full:ClassesOfProvisionsAxis
1203	Other provisions [member]	Member			ifrs-full:OtherProvisionsMember
1204	Decommissioning and Restoration Provisions [member]	Member			ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
1205	Disclosure of other provisions [line items]	LineItems			ifrs-full:DisclosureOfOtherProvisionsLineItems
1206	Additional study and environmental costs arising from legal obligations through other provisions	Concept (Monetary)	For Period	Credit	teck:AdditionalStudyAndEnvironmentalCostsArisingFromLegalObligationsThroughOtherProvisions
1207	Provisions for decommissioning and restoration	Concept (Monetary)	As Of	Credit	ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCosts
1208	Provision for water management costs	Concept (Monetary)	As Of	Credit	teck:ProvisionForWaterManagementCosts
1209	Nominal discount rate	Concept (Percent)	For Period		teck:NominalDiscountRate
1210	Inflation rate	Concept (Percent)	For Period		teck:InflationRate
1211	Provisions for decommissioning and restoration expenditures of closed operations	Concept (Monetary)	As Of	Credit	teck:ProvisionForDecommissioningRestorationAndRehabilitationCostsOfClosedOperations
1212	1119 - Disclosure - Equity - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureEquityAdditionalInformation
1213	Disclosure of equity [table]	Table	*	*	teck:DisclosureOfEquityTable
1214	Classes of ordinary shares [axis]	Axis			ifrs-full:ClassesOfOrdinarySharesAxis
1215	Ordinary shares [member]	Member			ifrs-full:OrdinarySharesMember
1216	Class A Common Shares [member]	Member			teck:ClassACommonSharesMember
1217	Class B Subordinate Voting Shares [member]	Member			teck:ClassBCommonSharesMember
1218	Range [axis]	Axis			ifrs-full:RangeAxis
1219	Ranges [member]	Member			ifrs-full:RangesMember
1220	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1221	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
1222	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1223	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1224	Deferred share units (DSUs), restricted share units (RSUs), performance share units (PSUs) and performance deferred share units (PDSUs) [member]	Member			teck:ShareUnitsMember
1225	Performance share units (PSUs) [member]	Member			teck:PerformanceShareUnitsMember
1226	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
1227	Equity [member]	Member			ifrs-full:EquityMember
1228	Stock Options [member]	Member			teck:StockOptionsMember
1229	Disclosure of terms and conditions of share-based payment arrangement [line items]	LineItems			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1230	Number of vote per share	Concept (Integer)	For Period		teck:NumberOfVotingRightOnShare
1231	Class A share conversion	Concept (Shares)	For Period		teck:NumberOfSharesConverted
1232	Percentage of voting equity interests before conversion	Concept (Percent)	For Period		teck:PercentageOfVotingEquityInterestsBeforeConversion
1233	Percentage of voting equity interests after conversion	Concept (Percent)	For Period		teck:PercentageOfVotingEquityInterestsAfterConversion
1234	Share option, granted	Concept (Shares)	For Period		teck:NumberOfShareOptionsSetAsideForGrants
1235	Share option, available for grant	Concept (Shares)	For Period		teck:NumberOfShareOptionsAvailableForGrantInSharebasedPaymentArrangement
1236	Share option, granted	Concept (Decimal)	For Period		ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1237	Weighted average exercise price	Concept (Monetary)	For Period		ifrs-full:ExercisePriceShareOptionsGranted
1238	Share option granted, vesting period	Concept (xbrli:durationItemType)	For Period		teck:ShareBasedPaymentArrangementShareOptionsVestingPeriod
1239	Share option granted, term	Concept (xbrli:durationItemType)	For Period		teck:SharebasedPaymentArrangementOptionsGrantedExpirationPeriod
1240	Weighted average fair value of share option	Concept (Monetary)	As Of	Credit	ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted
1241	Average share price	Concept (Monetary)	For Period		ifrs-full:WeightedAverageSharePrice
1242	Total share option compensation expense	Concept (Monetary)	For Period	Debit	teck:ShareOptionCompensationExpense
1243	Description of vesting requirements for share-based payment arrangement	Concept (Text/String)	For Period		ifrs-full:DescriptionOfVestingRequirementsForSharebasedPaymentArrangement
1244	Vesting percentage	Concept (Percent)	For Period		teck:PercentageOfVestingRequirementsForSharebasedPaymentArrangement
1245	Share based compensation expense	Concept (Monetary)	For Period	Debit	ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
1246	Total liability and intrinsic value for vested Units	Concept (Monetary)	As Of	Credit	ifrs-full:IntrinsicValueOfLiabilitiesFromSharebasedPaymentTransactionsForWhichCounterpartysRightToCashOrOtherAssetsVested2011
1247	Dilutive shares were not included in the diluted earnings per share	Concept (Shares)	For Period		teck:DilutiveSharesWithAntiDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShare
1248	Dividends declared and paid per share	Concept (Monetary)	For Period	Debit	ifrs-full:DividendsPaidOrdinaryShares
1249	Purchase of voting shares under normal course issuer bid	Concept (Shares)	For Period		teck:PurchaseOfVotingSharesUnderNormalCourseIssuerBid
1250	Shares repurchased, cancelled	Concept (Shares)	For Period		teck:NumberOfSharesCancelled
1251	Shares repurchased, pending for cancellation	Concept (Shares)	For Period		teck:NumberOfSharesPendingForCancellation
1252	1120 - Disclosure - Equity - Summary of Class A Common Shares and Class B Subordinate Voting Shares Issued and Outstanding (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureEquitySummaryOfClassACommonSharesAndClassBSubordinateVotingSharesIssuedAndOutstanding
1253	Disclosure of classes of share capital [table]	Table	*	*	ifrs-full:DisclosureOfClassesOfShareCapitalTable
1254	Classes of ordinary shares [axis]	Axis			ifrs-full:ClassesOfOrdinarySharesAxis
1255	Ordinary shares [member]	Member			ifrs-full:OrdinarySharesMember
1256	Class A Common Shares [member]	Member			teck:ClassACommonSharesMember
1257	Class B Subordinate Voting Shares [member]	Member			teck:ClassBCommonSharesMember
1258	Disclosure of classes of share capital [line items]	LineItems			ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1259	Beginning balance	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
1260	Class A shares conversion	Concept (Shares)	For Period		teck:NumberOfSharesConverted
1261	Options exercised (c)	Concept (Decimal)	For Period		ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1262	Acquired and cancelled pursuant to normal course issuer bid (h)	Concept (Shares)	For Period		teck:NumberOfSharesAcquiredAndCancelledPursuantToNormalCourseIssuerBid
1263	Ending balance	Concept (Shares)	As Of		ifrs-full:NumberOfSharesOutstanding
1264	1121 - Disclosure - Equity - Summary of Weighted Average Assumptions (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureEquitySummaryOfWeightedAverageAssumptions
1265	Implied Table	Table	*	*	implied:Table
1266	Disclosure of terms and conditions of share-based payment arrangement [abstract]	Abstract			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
1267	Weighted average exercise price	Concept (Monetary)	For Period		ifrs-full:ExercisePriceShareOptionsGranted
1268	Dividend yield	Concept (Percent)	For Period		ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted
1269	Risk-free interest rate	Concept (Percent)	For Period		ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
1270	Expected option life	Concept (Decimal)	For Period		ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
1271	Expected volatility	Concept (Percent)	For Period		ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
1272	Forfeiture rate	Concept (Percent)	For Period		teck:DescriptionOfForfeitureRateShareOptionsGranted
1273	1122 - Disclosure - Equity - Summary of Outstanding Share Options (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureEquitySummaryOfOutstandingShareOptions
1274	Implied Table	Table	*	*	implied:Table
1275	Disclosure of terms and conditions of share-based payment arrangement [abstract]	Abstract			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
1276	Share options, Outstanding at beginning of year	Concept (Decimal)	As Of		ifrs-full:NumberOfOutstandingShareOptions
1277	Share options, Granted	Concept (Decimal)	For Period		ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1278	Share options, Exercised	Concept (Decimal)	For Period		ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1279	Share options, Forfeited	Concept (Decimal)	For Period		ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
1280	Share options, Expired	Concept (Decimal)	For Period		ifrs-full:NumberOfShareOptionsExpiredInSharebasedPaymentArrangement
1281	Share options, Outstanding at end of year	Concept (Decimal)	As Of		ifrs-full:NumberOfOutstandingShareOptions
1282	Share options, Vested and exercisable at end of year	Concept (Decimal)	As Of		ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
1283	Weighted Average Exercise Price, Outstanding at beginning of year	Concept (Monetary)	As Of		ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1284	Weighted Average Exercise Price, Granted	Concept (Monetary)	For Period		ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
1285	Weighted Average Exercise Price, Exercised	Concept (Monetary)	For Period		ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
1286	Weighted Average Exercise Price, Forfeited	Concept (Monetary)	For Period		ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement
1287	Weighted Average Exercise Price, Expired	Concept (Monetary)	For Period		ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement
1288	Weighted Average Exercise Price, Outstanding at end of year	Concept (Monetary)	As Of		ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1289	Weighted Average Exercise Price, Vested and exercisable at end of year	Concept (Monetary)	As Of		ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
1290	1123 - Disclosure - Equity - Summary of Information Relating to Share Options Outstanding (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureEquitySummaryOfInformationRelatingToShareOptionsOutstanding
1291	Disclosure of information about options outstanding [table]	Table	*	*	teck:DisclosureOfInformationAboutOptionsOutstandingTable
1292	Ranges of exercise prices for outstanding share options [axis]	Axis			ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
1293	Ranges of exercise prices for outstanding share options [member]	Member			ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
1294	$ 4.15-$12.35 [member]	Member			teck:ExercisePricesRangeOneMember
1295	$12.36-$20.14 [member]	Member			teck:ExercisePriceRangeTwoMember
1296	$20.15-$26.79 [member]	Member			teck:ExercisePriceRangeThreeMember
1297	$26.80-$36.85 [member]	Member			teck:ExercisePriceRangeFourMember
1298	$36.86-$58.80 [member]	Member			teck:ExercisePriceRangeFiveMember
1299	Range [axis]	Axis			ifrs-full:RangeAxis
1300	Ranges [member]	Member			ifrs-full:RangesMember
1301	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
1302	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1303	Disclosure of range of exercise prices of outstanding share options [line items]	LineItems			ifrs-full:DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems
1304	Outstanding share options	Concept (Decimal)	As Of		ifrs-full:NumberOfOutstandingShareOptions
1305	Weighted average remaining life of outstanding options	Concept (Decimal)	As Of		ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1306	Exercise price range	Concept (Monetary)	As Of		ifrs-full:ExercisePriceOfOutstandingShareOptions
1307	1124 - Disclosure - Equity - Summary of Outstanding Units (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureEquitySummaryOfOutstandingUnits
1308	Disclosure of terms and conditions of share-based payment arrangement [table]	Table	*	*	ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
1309	Types of share-based payment arrangements [axis]	Axis			ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1310	Share-based payment arrangements [member]	Member			ifrs-full:SharebasedPaymentArrangementsMember
1311	Deferred share unit (DSUs) [Member]	Member			teck:DeferredShareUnitMember
1312	Restricted share units (RSUs) [Member]	Member			teck:RestrictedShareUnitsMember
1313	Performance share units (PSUs) [member]	Member			teck:PerformanceShareUnitsMember
1314	Performance deferred share units (PDSUs) [member]	Member			teck:PerformanceDeferredShareUnitsMember
1315	Disclosure of terms and conditions of share-based payment arrangement [line items]	LineItems			ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
1316	Number of units outstanding	Concept (Decimal)	As Of		ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1317	Number of units vested	Concept (Decimal)	For Period		ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1318	1125 - Disclosure - Equity - Summary of Accumulated Other Comprehensive Income (Loss) (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureEquitySummaryOfAccumulatedOtherComprehensiveIncomeLoss
1319	Disclosure Of Accumulated Other Comprehensive Income Loss [table]	Table	*	*	teck:DisclosureOfAccumulatedOtherComprehensiveIncomeLossTable
1320	Foreign Currency Risk [axis]	Axis			teck:ForeignCurrencyRiskAxis
1321	Foreign Currency Risk [domain]	Member			teck:ForeignCurrencyRiskDomain
1322	Currency translation differences [member]	Member			teck:ForeignCurrencyTranslationDifferencesMember
1323	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
1324	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
1325	Available-for-sale financial assets [member]	Member			teck:AvailableForSaleFinancialAssetsMember
1326	Disclosure of analysis of other comprehensive income by item [line items]	LineItems			ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems
1327	Accumulated other comprehensive income - beginning of year	Concept (Monetary)	As Of	Credit	ifrs-full:AccumulatedOtherComprehensiveIncome
1328	IFRS 9 transition adjustment on January 1, 2018 (Note 32(c))	Concept (Monetary)	For Period	Credit	teck:TransitionAdjustmentOfIFRS9
1329	Unrealized gains (losses) on translation of foreign subsidiaries	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax
1330	Foreign exchange differences on debt designated as a hedge of our investment in foreign subsidiaries (net of taxes of $40 and $(46))	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTax
1331	Other comprehensive income net of tax exchange differences on translation	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
1332	Unrealized loss on marketable equity and debt securities (2017 - available-for-sale financial assets) (net of taxes of $1 and $1)	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
1333	Unrealized loss on marketable equity and debt securities (2017 - available-for-sale financial assets) (net of taxes of $1 and $1)	Concept (Monetary)	For Period	Credit	teck:UnrealizedGainLossOnMarketableEquityAndDebtSecurities
1334	Realized gain on marketable equity and debt securities (net of taxes of $nil and $nil)	Concept (Monetary)	For Period	Credit	teck:RealizedGainLossOnMarketableEquityAndDebtSecurities
1335	Realized loss on available-for-sale financial assets reclassified to profit (net of taxes of $nil and $1)	Concept (Monetary)	For Period	Debit	ifrs-full:ReclassificationAdjustmentsOnAvailableforsaleFinancialAssetsNetOfTax
1336	Other comprehensive income net of tax marketable equity and debt securities (2017 - Available-for-sale financial assets)	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets
1337	Share of other comprehensive loss of associates and joint ventures	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax
1338	Remeasurements of retirement benefit plans (net of taxes of $(2) and $(55))	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
1339	Total other comprehensive income (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:OtherComprehensiveIncomeAttributableToOwnersOfParent
1340	Less remeasurements of retirement benefit plans recorded in retained earnings	Concept (Monetary)	As Of	Credit	teck:RemeasurementComponentsRetainedEarnings
1341	Accumulated other comprehensive income - end of year	Concept (Monetary)	As Of	Credit	ifrs-full:AccumulatedOtherComprehensiveIncome
1342	1126 - Disclosure - Equity - Summary of Accumulated Other Comprehensive Income (Loss) (Parenthetical) (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureEquitySummaryOfAccumulatedOtherComprehensiveIncomeLossParenthetical
1343	Disclosure Of Accumulated Other Comprehensive Income Loss [table]	Table	*	*	teck:DisclosureOfAccumulatedOtherComprehensiveIncomeLossTable
1344	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
1345	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
1346	Available-for-sale financial assets [member]	Member			teck:AvailableForSaleFinancialAssetsMember
1347	Foreign Currency Risk [axis]	Axis			teck:ForeignCurrencyRiskAxis
1348	Foreign Currency Risk [domain]	Member			teck:ForeignCurrencyRiskDomain
1349	Currency translation differences [member]	Member			teck:ForeignCurrencyTranslationDifferencesMember
1350	Disclosure of analysis of other comprehensive income by item [line items]	LineItems			ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems
1351	Foreign exchange differences on debt designated as a hedge of our investment in foreign subsidiaries net of tax	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome
1352	Unrealized gains net of tax	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToAvailableforsaleFinancialAssetsOfOtherComprehensiveIncome
1353	Unrealized loss on marketable equity and debt securities net of tax	Concept (Monetary)	For Period	Debit	teck:IncomeTaxRelatingToUnrealizedMarketableEquityAndDebtSecuritieIncludedInOtherComprehensiveIncome
1354	Realized gain on marketable equity and debt securities net of tax	Concept (Monetary)	For Period	Debit	teck:IncomeTaxRelatingToRealizedMarketableEquityAndDebtSecuritieIncludedInOtherComprehensiveIncome
1355	Remeasurements of retirement benefit plans net of tax	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
1356	1127 - Disclosure - Equity - Summary of Basic and Diluted Earnings Per Share (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureEquitySummaryOfBasicAndDilutedEarningsPerShare
1357	Implied Table	Table	*	*	implied:Table
1358	Basic and diluted earnings per share [abstract]	Abstract			ifrs-full:BasicAndDilutedEarningsPerShareAbstract
1359	Net basic and diluted profit attributable to shareholders of the company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
1360	Weighted average shares outstanding	Concept (Shares)	For Period		teck:WeightedAverageSharesOutstanding
1361	Dilutive effect of share options	Concept (Shares)	For Period		ifrs-full:DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
1362	Weighted average diluted shares outstanding	Concept (Shares)	For Period		ifrs-full:AdjustedWeightedAverageShares
1363	Basic earnings per share	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
1364	Diluted earnings per share	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
1365	1128 - Disclosure - Non-Controlling Interests - Summary of Information About Subsidiaries with Non-controlling Interests and Non-controlling Interest Balances (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureNonControllingInterestsSummaryOfInformationAboutSubsidiariesWithNoncontrollingInterestsAndNoncontrollingInterestBalances
1366	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1367	Subsidiaries [axis]	Axis			ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1368	Entity's total for subsidiaries [member]	Member			ifrs-full:EntitysTotalForSubsidiariesMember
1369	Carmen de Andacollo [member]	Member			teck:CarmenDeAndacolloMember
1370	Quebrada Blanca [member]	Member			teck:QuebradaBlancaMember
1371	Elkview Mine Limited Partnership [member]	Member			teck:ElkviewMineLimitedPartnershipMember
1372	Compania Minera Zafranal S.A.C. [member]	Member			teck:CompaniaMineraZafranalSACMember
1373	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1374	Percentage of Interest and Voti Principal Place of Business by Non-Controll	Concept (Text/String)	For Period		ifrs-full:PrincipalPlaceOfBusinessOfSubsidiary
1375	Ownership ng Rights Held ingInterest	Concept (Percent)	For Period		teck:ProportionOfOwnershipInterestAndVotingRightsHeldByNoncontrollingInterests
1376	Non controlling interests	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
1377	1129 - Disclosure - Non-Controlling Interests - Summary of Information About Subsidiaries with Non-controlling Interests and Non-controlling Interest Balances (Parenthetical) (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureNonControllingInterestsSummaryOfInformationAboutSubsidiariesWithNoncontrollingInterestsAndNoncontrollingInterestBalancesParenthetical
1378	Disclosure of subsidiaries [table]	Table	*	*	ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable
1379	Components of equity [axis]	Axis			ifrs-full:ComponentsOfEquityAxis
1380	Equity [member]	Member			ifrs-full:EquityMember
1381	Retained earnings [member]	Member			ifrs-full:RetainedEarningsMember
1382	Non-controlling interests [member]	Member			ifrs-full:NoncontrollingInterestsMember
1383	Joint operations [axis]	Axis			ifrs-full:JointOperationsAxis
1384	Entity's total for joint operations [member]	Member			ifrs-full:EntitysTotalForJointOperationsMember
1385	Inversiones Mineras S A [member]	Member			teck:InversionesMinerasSAMember
1386	Disclosure of subsidiaries [line items]	LineItems			ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
1387	Proportion of ownership interest in associate	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInAssociate
1388	Total fair value	Concept (Monetary)	As Of	Credit	ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
1389	Purchase of non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl
1390	1130 - Disclosure - Contingencies - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureContingenciesAdditionalInformation
1391	Implied Table	Table	*	*	implied:Table
1392	Disclosure Of Contingencies [abstract]	Abstract			teck:DisclosureOfContingenciesAbstract
1393	Litigation claim by plaintiff	Concept (Monetary)	For Period	Debit	teck:ContingentLiabilityLitigationClaim
1394	1131 - Disclosure - Commitments - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureCommitmentsAdditionalInformation
1395	Disclosure Of Commitments [table]	Table	*	*	teck:DisclosureOfCommitmentsTable
1396	Range [axis]	Axis			ifrs-full:RangeAxis
1397	Ranges [member]	Member			ifrs-full:RangesMember
1398	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1399	Bottom of range [member]	Member			ifrs-full:BottomOfRangeMember
1400	Segments [axis]	Axis			ifrs-full:SegmentsAxis
1401	Segments [member]	Member			ifrs-full:SegmentsMember
1402	QB2 [member]	Member			teck:QuebradaBlancaPhaseTwoMember
1403	Steelmaking Coal Operations [member]	Member			teck:SteelmakingCoalOperationsMember
1404	Antamina [member]	Member			teck:AntaminaMember
1405	Red Dog Road and Port lease [member]	Member			teck:RedDogRoadAndPortLeaseMember
1406	Red Dog Royalty [member]	Member			teck:RedDogRoyaltyMember
1407	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
1408	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
1409	Trail Operations [member]	Member			teck:TrailOperationsMember
1410	Classes of assets [axis]	Axis			ifrs-full:ClassesOfAssetsAxis
1411	Assets [member]	Member			ifrs-full:ClassesOfAssetsMember
1412	Office premises [member]	Member			srt:OfficeBuildingMember
1413	Mining equipment [member]	Member			teck:MiningEquipmentMember
1414	Rail facilities [member]	Member			teck:RailFacilitiesMember
1415	Road and port facilities [member]	Member			teck:RoadAndPortFacilitiesMember
1416	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1417	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1418	Within one year [member]	Member			teck:WithInOneYearMember
1419	Within two to five years [member]	Member			teck:TwoToFiveYearsMember
1420	Over Next Four Years [member]	Member			teck:OverNextFourYearsMember
1421	Over next eighteen years [member]	Member			teck:OverNextEighteenYearsMember
1422	Over twenty two years [member]	Member			teck:OverTwentyTwoYearsMember
1423	Disclosure of commitments [line items]	LineItems			teck:DisclosureOfCommitmentsLineItems
1424	Amount expected to be incurred	Concept (Monetary)	For Period	Credit	teck:CapitalExpenditureContractedButNotYetIncurred
1425	Expected period	Concept (xbrli:durationItemType)	For Period		teck:LifeExpectancyPeriod
1426	Capital expenditure commitments expected period	Concept (xbrli:durationItemType)	For Period		teck:CapitalExpenditureCommitmentsExpectedPeriod
1427	Ownership interest in joint operation	Concept (Percent)	For Period		ifrs-full:ProportionOfOwnershipInterestInJointVenture
1428	Lease term	Concept (xbrli:durationItemType)	For Period		teck:LeaseTerm
1429	Minimum annual user fee	Concept (Monetary)	For Period	Debit	teck:MinimumLeaseAnnualUserFee
1430	Total remaining user fee	Concept (Monetary)	For Period	Debit	teck:NetRemainingUserFee
1431	Amount on lease rentals	Concept (Monetary)	For Period	Debit	teck:OperatingLeaseExpenses
1432	Royalty percentage	Concept (Percent)	For Period		teck:RoyaltyPercentage
1433	Maximum net proceeds of production royalty	Concept (Percent)	For Period		teck:MaximumNetProceedsOfProductionRoyaltyPercentage
1434	Increase in net proceeds of production royalty	Concept (Percent)	For Period		teck:IncreaseInNetProceedsOfProductionRoyaltyPercentage
1435	Royalty expense	Concept (Monetary)	For Period	Debit	ifrs-full:RoyaltyExpense
1436	Purchase commitment per year	Concept (Monetary)	As Of	Credit	ifrs-full:ContractualCapitalCommitments
1437	Purchase commitment percentage increase per year	Concept (Percent)	For Period		teck:PurchaseCommitmentsPercentageIncreasePerYear
1438	1132 - Disclosure - Commitments - Summary of Future Aggregate Minimum Lease Payments Under Non-cancellable Operating Leases (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureCommitmentsSummaryOfFutureAggregateMinimumLeasePaymentsUnderNoncancellableOperatingLeases
1439	Disclosure of future minimum commitments for non cancellable operating lease [table]	Table	*	*	teck:DisclosureOfFutureMinimumCommitmentsForNonCancellableOperatingLeaseTable
1440	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1441	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1442	Less than one year [member]	Member			teck:LessThanOneYearMember
1443	One to five years [member]	Member			teck:OneToFiveYearsMember
1444	Thereafter [member]	Member			teck:ThereafterMember
1445	Disclosure of future minimum commitments for non cancellable operating lease [line items]	LineItems			teck:DisclosureOfFutureMinimumCommitmentsForNonCancellableOperatingLeaseLineItems
1446	Future aggregate minimum lease payments under non-cancellable operating leases	Concept (Monetary)	As Of	Credit	teck:OperatingLeaseFutureMinimumLeasePayments
1447	1133 - Disclosure - Segmented Information - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureSegmentedInformationAdditionalInformation
1448	Implied Table	Table	*	*	implied:Table
1449	Disclosure of other provisions [abstract]	Abstract			ifrs-full:DisclosureOfOtherProvisionsAbstract
1450	Number of reportable segments	Concept (Integer)	For Period		teck:NumberOfReportableSegments1
1451	1134 - Disclosure - Segmented Information - Schedule of Operating Segments (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureSegmentedInformationScheduleOfOperatingSegments
1452	Disclosure of operating segments [table]	Table	*	*	ifrs-full:DisclosureOfOperatingSegmentsTable
1453	Segments [axis]	Axis			ifrs-full:SegmentsAxis
1454	Segments [member]	Member			ifrs-full:SegmentsMember
1455	Steelmaking Coal [member]	Member			teck:SteelmakingCoalMember
1456	Copper [member]	Member			teck:CopperMember
1457	Zinc [member]	Member			teck:ZincMember
1458	Energy [member]	Member			teck:EnergyMember
1459	Corporate [member]	Member			teck:CorporateMember
1460	Segment consolidation items [axis]	Axis			ifrs-full:SegmentConsolidationItemsAxis
1461	Entity's total for segment consolidation items [member]	Member			ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1462	Segment revenues [member]	Member			ifrs-full:OperatingSegmentsMember
1463	Inter-segment revenues [member]	Member			ifrs-full:EliminationOfIntersegmentAmountsMember
1464	Disclosure of operating segments [line items]	LineItems			ifrs-full:DisclosureOfOperatingSegmentsLineItems
1465	Revenues	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
1466	Cost of sales	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
1467	Gross profit (loss)	Concept (Monetary)	For Period	Credit	ifrs-full:GrossProfit
1468	Impairment reversal and (asset impairments)	Concept (Monetary)	For Period	Debit	ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
1469	Other operating income (expenses)	Concept (Monetary)	For Period	Credit	teck:OtherOperatingIncomeExpenseNet1
1470	Profit (loss) from operations	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossFromOperatingActivities
1471	Net finance expense	Concept (Monetary)	For Period	Debit	teck:FinanceCostsNet
1472	Non-operating income (expense)	Concept (Monetary)	For Period	Credit	teck:NonOperatingIncomeExpense1
1473	Share of income (loss) of associates and joint ventures	Concept (Monetary)	For Period	Credit	ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1474	Profit (loss) before taxes	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossBeforeTax
1475	Capital expenditures	Concept (Monetary)	For Period	Debit	teck:CapitalExpenditure
1476	Goodwill	Concept (Monetary)	As Of	Debit	ifrs-full:Goodwill
1477	Total assets	Concept (Monetary)	As Of	Debit	ifrs-full:Assets
1478	1135 - Disclosure - Segmented Information - Schedule of Geographical Areas (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureSegmentedInformationScheduleOfGeographicalAreas
1479	Disclosure of geographical areas [table]	Table	*	*	ifrs-full:DisclosureOfGeographicalAreasTable
1480	Geographical areas [axis]	Axis			ifrs-full:GeographicalAreasAxis
1481	Geographical areas [member]	Member			ifrs-full:GeographicalAreasMember
1482	Canada [member]	Member			country:CA
1483	Chile [member]	Member			country:CL
1484	Peru [member]	Member			country:PE
1485	United States [member]	Member			country:US
1486	Other [member]	Member			teck:OtherCountriesMember
1487	Disclosure of geographical areas [line items]	LineItems			ifrs-full:DisclosureOfGeographicalAreasLineItems
1488	Geographical distribution of non-current assets	Concept (Monetary)	As Of	Debit	teck:NoncurrentAssetsAttributedToGeographicalLocationsExcludeDeferredIncomeTaxAssetsAndFinancialAndOtherAssets
1489	1136 - Disclosure - Financial Instruments and Financial Risk Management - Summary of U.S. Dollar Financial Instruments Subject to Foreign Exchange Risk (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureFinancialInstrumentsAndFinancialRiskManagementSummaryOfUSDollarFinancialInstrumentsSubjectToForeignExchangeRisk
1490	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1491	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
1492	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
1493	Currency risk [member]	Member			ifrs-full:CurrencyRiskMember
1494	Disclosure of nature and extent of risks arising from financial instruments [line items]	LineItems			ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
1495	Cash and cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashAndCashEquivalents
1496	Trade and settlement receivables	Concept (Monetary)	As Of	Debit	ifrs-full:TradeAndOtherReceivables
1497	Trade accounts payable and other liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherPayables
1498	Debt	Concept (Monetary)	As Of	Credit	ifrs-full:Borrowings
1499	U.S. dollar financial instruments subject to foreign exchange risk	Concept (Monetary)	As Of	Debit	teck:FinancialInstrumentsSubjectToForeignExchangeRisk
1500	Net investment in foreign operations hedged	Concept (Monetary)	As Of	Debit	teck:NetInvestmentInForeignOperationsHedged
1501	Net U.S. dollar exposure	Concept (Monetary)	As Of	Debit	teck:NetForeignCurrencyExposure
1502	1137 - Disclosure - Financial Instruments and Financial Risk Management - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureFinancialInstrumentsAndFinancialRiskManagementAdditionalInformation
1503	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1504	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
1505	Risks [member]	Member			ifrs-full:TypesOfRisksMember
1506	Currency risk [member]	Member			ifrs-full:CurrencyRiskMember
1507	Interest rate risk [member]	Member			ifrs-full:InterestRateRiskMember
1508	Commodity Price Risk [member]	Member			ifrs-full:CommodityPriceRiskMember
1509	Classes of financial instruments [axis]	Axis			ifrs-full:ClassesOfFinancialInstrumentsAxis
1510	Financial instruments, class [member]	Member			ifrs-full:ClassesOfFinancialInstrumentsMember
1511	Sale and purchase contracts [member]	Member			teck:SaleAndPurchaseContractsMember
1512	Embedded derivatives [member]	Member			teck:EmbeddedDerivativesMember
1513	Gold Stream Embedded Derivative [member]	Member			teck:GoldStreamEmbeddedDerivativeMember
1514	Silver Stream Embedded Derivative [member]	Member			teck:SilverStreamEmbeddedDerivativeMember
1515	Notes Due 2024 [member]	Member			teck:NotesDue2024Member
1516	Types of hedges [axis]	Axis			ifrs-full:TypesOfHedgesAxis
1517	Hedges [member]	Member			ifrs-full:TypesOfHedgesMember
1518	Free-standing derivatives not designated as hedging Instruments [member]	Member			teck:FreeStandingDerivativesNotDesignatedAsHedgingInstrumentsMember
1519	Derivatives not designated as hedging instruments and embedded derivatives [member]	Member			teck:DerivativesNotDesignatedAsHedgingInstrumentsAndEmbeddedDerivativesMember
1520	Hedges of net investment in foreign operations [member]	Member			ifrs-full:HedgesOfNetInvestmentInForeignOperationsMember
1521	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
1522	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
1523	Contingent Zinc Escalation Payment Embedded Derivative [member]	Member			teck:ContingentZincEscalationPaymentEmbeddedDerivativeMember
1524	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
1525	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
1526	Notes Due 2024 [member]	Member			teck:NotesDueTwoThousandTwentyFourMember
1527	Disclosure of nature and extent of risks arising from financial instruments [line items]	LineItems			ifrs-full:DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems
1528	Strengthening/Weakening of Canadian dollar against the U.S. dollar	Concept (Decimal)	For Period		teck:SensitivityAnalysisOnExchangeDifferencesAmount
1529	Pre-tax loss (gain) from financial instruments due to foreign currency translation	Concept (Monetary)	For Period	Credit	teck:SensitivityAnalysisOfPreTaxGainLossFromFinancialInstrumentsOnExchangeDifferences
1530	Pre-tax loss (gain) in other comprehensive income from translation of foreign operations	Concept (Monetary)	For Period	Credit	teck:SensitivityAnalysisOfPreTaxGainLossFromOtherComprehensiveIncomeOnExchangeDifferences
1531	Pre-tax gain (loss) from financial instruments due to interest rate change	Concept (Monetary)	For Period	Credit	teck:SensitivityAnalysisOfPreTaxGainLossFromFinancialInstrumentsOnInterestRateChanges
1532	Percentage decrease in commodity price risk	Concept (Percent)	For Period		teck:PercentageOfDecreaseInCommodityPriceRisk
1533	Percentage of change in commodity price	Concept (Percent)	For Period		teck:PercentageOfChangeInCommodityPrice
1534	Outstanding settlements receivable	Concept (Monetary)	As Of	Debit	teck:SettlementsReceivable
1535	Outstanding settlements payable	Concept (Monetary)	As Of	Credit	teck:SettlementsPayable
1536	Prepaid and other current assets	Concept (Monetary)	As Of	Debit	ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets
1537	Trade accounts payable and other liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherCurrentPayables
1538	Gain on non-operating income (expense)	Concept (Monetary)	For Period	Credit	teck:GainOnDebtPrepaymentOptions
1539	Foreign operations was designated in a net investment hedging relationship	Concept (Monetary)	For Period	Debit	teck:NetInvestmentInForeignOperationsDesignatedAsHedge
1540	Foreign exchange translation on investment in foreign operations	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax
1541	Fair value of embedded derivative	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilitiesAtFairValue
1542	Percentage of ongoing payment containing embedded derivative	Concept (Percent)	For Period		teck:GoldStreamEmbeddedDerivativePercentage
1543	Percentage of ongoing payment containing embedded derivative	Concept (Percent)	For Period		teck:SilverStreamEmbeddedDerivativePercentage
1544	Fair value of embedded derivative	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssetsAtFairValue
1545	1138 - Disclosure - Financial Instruments and Financial Risk Management - Summary of Contractual Undiscounted Cash Flow Requirements for Financial Liabilities (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureFinancialInstrumentsAndFinancialRiskManagementSummaryOfContractualUndiscountedCashFlowRequirementsForFinancialLiabilities
1546	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1547	Maturity [axis]	Axis			ifrs-full:MaturityAxis
1548	Aggregated time bands [member]	Member			ifrs-full:AggregatedTimeBandsMember
1549	Less Than 1 Year [member]	Member			ifrs-full:NotLaterThanOneYearMember
1550	2-3 Years [member]	Member			ifrs-full:LaterThanOneYearAndNotLaterThanThreeYearsMember
1551	4-5 Years [member]	Member			ifrs-full:LaterThanThreeYearsAndNotLaterThanFiveYearsMember
1552	More Than 5 Years [member]	Member			ifrs-full:LaterThanFiveYearsMember
1553	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
1554	Risks [member]	Member			ifrs-full:TypesOfRisksMember
1555	Liquidity risk [member]	Member			ifrs-full:LiquidityRiskMember
1556	Disclosure of detailed information about financial instruments [line items]	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1557	Trade accounts payable and other liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:TradeAndOtherPayablesUndiscountedCashFlows
1558	Debt	Concept (Monetary)	As Of	Credit	ifrs-full:BankBorrowingsUndiscountedCashFlows
1559	Estimated interest payments on debt	Concept (Monetary)	As Of	Credit	teck:EstimatedInterestPaymentsOnDebtUndiscountedCashFlows
1560	1139 - Disclosure - Financial Instruments and Financial Risk Management - Schedule of Effect of Change in Commodity Prices on Profit (Loss) (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureFinancialInstrumentsAndFinancialRiskManagementScheduleOfEffectOfChangeInCommodityPricesOnProfitLoss
1561	Disclosure of risk management strategy related to hedge accounting [table]	Table	*	*	ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
1562	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
1563	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
1564	Copper [member]	Member			teck:CopperMember
1565	Zinc [member]	Member			teck:ZincMember
1566	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
1567	Risks [member]	Member			ifrs-full:TypesOfRisksMember
1568	Commodity Price Risk [member]	Member			ifrs-full:CommodityPriceRiskMember
1569	Disclosure of commodity price risk for financial instruments [line items]	LineItems			teck:DisclosureOfCommodityPriceRiskForFinancialInstrumentsLineItems
1570	Commodity price	Concept (Decimal)	For Period		teck:CommodityPrice
1571	Change in Profit (Loss) Attributable to Shareholders	Concept (Monetary)	For Period		teck:EffectOnProfitLossDueToChangeInCommodityPrice
1572	1140 - Disclosure - Financial Instruments and Financial Risk Management - Summary of Provisionally Valued Outstanding Receivable And Payable Positions (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureFinancialInstrumentsAndFinancialRiskManagementSummaryOfProvisionallyValuedOutstandingReceivableAndPayablePositions
1573	Disclosure of fair value measurement of assets [table]	Table	*	*	ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
1574	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
1575	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
1576	Copper [member]	Member			teck:CopperMember
1577	Zinc [member]	Member			teck:ZincMember
1578	Lead [member]	Member			teck:LeadMember
1579	Disclosure of fair value of settlement receivables and payables [line items]	LineItems			teck:DisclosureOfFairValueOfSettlementReceivablesAndPayablesLineItems
1580	Outstanding receivable	Concept (num:massItemType)	For Period		teck:ReceivablePositionProvisionallyValuedInPounds
1581	Outstanding payable	Concept (num:massItemType)	For Period		teck:PayablePositionProvisionallyValuedInPounds
1582	Commodity price	Concept (Decimal)	For Period		teck:CommodityPrice
1583	1141 - Disclosure - Financial Instruments and Financial Risk Management - Summary of Fair Value of Commodity Swaps Valuation by Discounted Cash Flow Method (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureFinancialInstrumentsAndFinancialRiskManagementSummaryOfFairValueOfCommoditySwapsValuationByDiscountedCashFlowMethod
1584	Disclosure of fair value measurement of assets [table]	Table	*	*	ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
1585	Types of risks [axis]	Axis			ifrs-full:TypesOfRisksAxis
1586	Risks [member]	Member			ifrs-full:TypesOfRisksMember
1587	Purchase Commitments [member]	Member			teck:PurchaseCommitmentsMember
1588	Sale Commitments [member]	Member			teck:SaleCommitmentsMember
1589	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
1590	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
1591	Zinc [member]	Member			teck:ZincMember
1592	Lead [member]	Member			teck:LeadMember
1593	Disclosure of fair value of commodity swaps [line items]	LineItems			teck:DisclosureOfFairValueOfCommoditySwapsLineItems
1594	Quantity	Concept (Decimal)	As Of		teck:DerivativesNotDesignatedAsHedgingInstrumentsSwaps
1595	Average Price	Concept (Decimal)	As Of		teck:InputsUsedInFairValueMeasurementAssets
1596	Fair Value Asset (Liability)	Concept (Monetary)	As Of	Debit	teck:FinancialAssetsLiabilitiesAtFairValue
1597	1142 - Disclosure - Financial Instruments and Financial Risk Management - Summary of Derivatives Not Designated as Hedging Instruments and Embedded Derivatives (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureFinancialInstrumentsAndFinancialRiskManagementSummaryOfDerivativesNotDesignatedAsHedgingInstrumentsAndEmbeddedDerivatives
1598	Disclosure of detailed information about financial instruments [table]	Table	*	*	ifrs-full:DisclosureOfFinancialInstrumentsTable
1599	Products and services [axis]	Axis			ifrs-full:ProductsAndServicesAxis
1600	Products and services [member]	Member			ifrs-full:ProductsAndServicesMember
1601	Zinc [member]	Member			teck:ZincMember
1602	Lead [member]	Member			teck:LeadMember
1603	Settlements Receivable And Payable [member]	Member			teck:SettlementsReceivableAndPayableMember
1604	Contingent Zinc Escalation Payment Embedded Derivative [member]	Member			teck:ContingentZincEscalationPaymentEmbeddedDerivativeMember
1605	Gold Stream Embedded Derivative [member]	Member			teck:GoldStreamEmbeddedDerivativeMember
1606	Silver Stream Embedded Derivative [member]	Member			teck:SilverStreamEmbeddedDerivativeMember
1607	Disclosure of detailed information about financial instruments [line items]	LineItems			ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1608	Amount of gain (loss) recognized in other operating income (expense)	Concept (Monetary)	For Period	Credit	teck:GainsLossesOnDerivativeAssetsLiabilitiesAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
1609	1143 - Disclosure - Fair Value Measurements - Summary of Fair Values of Financial Assets Measured at Fair Value on Recurring Basis (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesOfFinancialAssetsMeasuredAtFairValueOnRecurringBasis
1610	Disclosure of fair value measurement of assets [table]	Table	*	*	ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable
1611	Levels of fair value hierarchy [axis]	Axis			ifrs-full:LevelsOfFairValueHierarchyAxis
1612	All levels of fair value hierarchy [member]	Member			ifrs-full:AllLevelsOfFairValueHierarchyMember
1613	Level 1 [member]	Member			ifrs-full:Level1OfFairValueHierarchyMember
1614	Level 2 [member]	Member			ifrs-full:Level2OfFairValueHierarchyMember
1615	Level 3 [member]	Member			ifrs-full:Level3OfFairValueHierarchyMember
1616	Measurement [axis]	Axis			ifrs-full:MeasurementAxis
1617	Aggregated measurement [member]	Member			ifrs-full:AggregatedMeasurementMember
1618	Recurring Fair Value Measurement [member]	Member			ifrs-full:RecurringFairValueMeasurementMember
1619	Disclosure of fair value measurement of assets [line items]	LineItems			ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems
1620	Cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashEquivalents
1621	Marketable equity securities	Concept (Monetary)	As Of	Debit	teck:FairValueMeasurementsMarketableEquitySecurities
1622	Debt securities	Concept (Monetary)	As Of	Debit	teck:FairValueMeasurementsDebtSecurities
1623	Settlement receivables	Concept (Monetary)	As Of	Debit	teck:SettlementsReceivable
1624	Derivative instruments and embedded derivatives	Concept (Monetary)	As Of	Debit	ifrs-full:DerivativeFinancialAssets
1625	Financial assets	Concept (Monetary)	As Of	Debit	ifrs-full:FinancialAssets
1626	1144 - Disclosure - Fair Value Measurements - Summary of Fair Values of Financial Liabilities Measured at Fair Value on Recurring Basis (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfFairValuesOfFinancialLiabilitiesMeasuredAtFairValueOnRecurringBasis
1627	Disclosure of fair value measurement of liabilities [table]	Table	*	*	ifrs-full:DisclosureOfFairValueMeasurementOfLiabilitiesTable
1628	Levels of fair value hierarchy [axis]	Axis			ifrs-full:LevelsOfFairValueHierarchyAxis
1629	All levels of fair value hierarchy [member]	Member			ifrs-full:AllLevelsOfFairValueHierarchyMember
1630	Level 2 [member]	Member			ifrs-full:Level2OfFairValueHierarchyMember
1631	Measurement [axis]	Axis			ifrs-full:MeasurementAxis
1632	Aggregated measurement [member]	Member			ifrs-full:AggregatedMeasurementMember
1633	Recurring Fair Value Measurement [member]	Member			ifrs-full:RecurringFairValueMeasurementMember
1634	Disclosure of fair value measurement of liabilities [line items]	LineItems			ifrs-full:DisclosureOfFairValueMeasurementOfLiabilitiesLineItems
1635	Derivative instruments and embedded derivatives	Concept (Monetary)	As Of	Credit	ifrs-full:DerivativeFinancialLiabilities
1636	Settlement payables	Concept (Monetary)	As Of	Credit	teck:SettlementsPayable
1637	Financial liabilities	Concept (Monetary)	As Of	Credit	ifrs-full:FinancialLiabilities
1638	1145 - Disclosure - Capital Management - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureCapitalManagementAdditionalInformation
1639	Disclosure of objectives, policies and processes for managing capital [table]	Table	*	*	ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalTable
1640	Borrowings by name [axis]	Axis			ifrs-full:BorrowingsByNameAxis
1641	Borrowings by name [member]	Member			ifrs-full:BorrowingsByNameMember
1642	Revolving credit facilities one [member]	Member			teck:RevolvingCreditFacilitiesOneMember
1643	Revolving credit facilities two [member]	Member			teck:RevolvingCreditFacilitiesTwoMember
1644	Range [axis]	Axis			ifrs-full:RangeAxis
1645	Ranges [member]	Member			ifrs-full:RangesMember
1646	Top of range [member]	Member			ifrs-full:TopOfRangeMember
1647	Disclosure of objectives, policies and processes for managing capital [line items]	LineItems			ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems
1648	Targeted Debt to debt-plus-equity ratio	Concept (Percent)	For Period		teck:TargetedLongtermDebtToLongtermDebtPlusEquityRatio
1649	Targeted Debt-to-EBITDA ratio	Concept (Pure)	For Period		teck:TargetedNetDebtToEbitdaRatio
1650	Number of revolving credit facilities	Concept (Integer)	As Of		teck:NumberOfRevolvingCreditFacilities
1651	Borrowing capacity under revolving credit facilities	Concept (Monetary)	As Of	Credit	teck:BorrowingsMaximumBorrowingCapacity
1652	Net debt to-capitalization ratio	Concept (Pure)	As Of		teck:NetDebtToCapitalizationConversionRatio
1653	Debt-plus-equity ratio	Concept (Percent)	For Period		teck:DebtPlusEquityRatio
1654	Debt-to-EBITDA ratio	Concept (Pure)	For Period		teck:DebtToEBITDARatio
1655	1146 - Disclosure - Key Management Compensation - Summary of Compensation for Key Management Recognized in Total Comprehensive Income (Loss) (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureKeyManagementCompensationSummaryOfCompensationForKeyManagementRecognizedInTotalComprehensiveIncomeLoss
1656	Implied Table	Table	*	*	implied:Table
1657	Disclosure of transactions between related parties [abstract]	Abstract			ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
1658	Salaries, bonuses, director fees and other short-term benefits	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1659	Post-employment benefits	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
1660	Share option compensation expense (Note 23(c))	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1661	Compensation expense related to Units (Note 23(d))	Concept (Monetary)	For Period	Debit	teck:KeyManagementPersonnelCompensationExpenseRelatedToUnits
1662	Key management personnel compensation	Concept (Monetary)	For Period	Debit	ifrs-full:KeyManagementPersonnelCompensation
1663	1147 - Disclosure - Adoption of New IFRS Pronouncements - Summary of Adjustments to Condensed Consolidated Balance Sheets (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureAdoptionOfNewIFRSPronouncementsSummaryOfAdjustmentsToCondensedConsolidatedBalanceSheets
1664	Disclosure of retrospective adjustments of financial statements [table]	Table	*	*	teck:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsTable
1665	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1666	Currently stated [member]	Member			ifrs-full:RestatedMember
1667	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
1668	Increase (decrease) due to application of IFRS 15 [member]	Member			ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
1669	Assets and liabilities [axis]	Axis			ifrs-full:AssetsAndLiabilitiesAxis
1670	Assets and liabilities [member]	Member			ifrs-full:AssetsAndLiabilitiesMember
1671	Trade and settlement receivables [member]	Member			teck:TradeAndSettlementReceivablesMember
1672	Inventories [member]	Member			teck:InventoriesMember
1673	Current portion of deferred consideration [member]	Member			teck:CurrentDeferredConsiderationMember
1674	Current income taxes payable [member]	Member			teck:CurrentTaxLiabilitiesMember
1675	Deferred consideration [member]	Member			teck:DeferredIncomeNoncurrentMember
1676	Deferred income tax liabilities [member]	Member			teck:DeferredTaxLiabilitiesMember
1677	Disclosure of retrospective adjustments of financial statements [line items]	LineItems			teck:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsLineItems
1678	Equity	Concept (Monetary)	As Of	Credit	ifrs-full:Equity
1679	Equity after accounting changes attributable to:	Abstract			ifrs-full:ChangesInEquityAbstract
1680	Shareholders of the company	Concept (Monetary)	As Of	Credit	ifrs-full:EquityAttributableToOwnersOfParent
1681	Non-controllinginterests	Concept (Monetary)	As Of	Credit	ifrs-full:NoncontrollingInterests
1682	1148 - Disclosure - Adoption of New IFRS Pronouncements - Summary of Adjustments to Condensed Consolidated Statements of Income (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureAdoptionOfNewIFRSPronouncementsSummaryOfAdjustmentsToCondensedConsolidatedStatementsOfIncome
1683	Disclosure of retrospective adjustments of financial statements [table]	Table	*	*	teck:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsTable
1684	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1685	Currently stated [member]	Member			ifrs-full:RestatedMember
1686	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
1687	Increase (decrease) due to application of IFRS 15 [member]	Member			ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
1688	Disclosure of retrospective adjustments of financial statements [line items]	LineItems			teck:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsLineItems
1689	Revenues	Concept (Monetary)	For Period	Credit	ifrs-full:Revenue
1690	Cost of sales	Concept (Monetary)	For Period	Debit	ifrs-full:CostOfSales
1691	Provision for income taxes	Concept (Monetary)	For Period	Debit	ifrs-full:IncomeTaxExpenseContinuingOperations
1692	Profit for the year	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1693	Profit for the year after accounting changes attributable to:	Abstract			ifrs-full:ProfitLossAttributableToAbstract
1694	Shareholders of the company	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToOwnersOfParent
1695	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1696	Earnings per share after accounting changes	Abstract			ifrs-full:EarningsPerShareAbstract
1697	Basic	Concept (Share)	For Period		ifrs-full:BasicEarningsLossPerShare
1698	Diluted	Concept (Share)	For Period		ifrs-full:DilutedEarningsLossPerShare
1699	1149 - Disclosure - Adoption of New IFRS Pronouncements - Additional Information (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureAdoptionOfNewIFRSPronouncementsAdditionalInformation
1700	Disclosure of retrospective adjustments of financial statements [table]	Table	*	*	teck:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsTable
1701	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1702	Currently stated [member]	Member			ifrs-full:RestatedMember
1703	Effect of IFRS 9 Upon Adoption [member]	Member			teck:EffectOfIFRS9UponAdoptionMember
1704	Categories of financial assets [axis]	Axis			ifrs-full:CategoriesOfFinancialAssetsAxis
1705	Financial assets, category [member]	Member			ifrs-full:FinancialAssetsCategoryMember
1706	Amortized cost to fair value through profit or loss [member]	Member			teck:AmortizedCostToFairValueThroughProfitOrLossMember
1707	Financial assets at fair value through other comprehensive income [member]	Member			ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1708	Disclosure of retrospective adjustments of financial statements [line items]	LineItems			teck:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsLineItems
1709	Decrease in basic earnings per share	Concept (Share)	For Period		teck:DecreaseInBasicEarningsLossPerShare
1710	Decrease in diluted earnings per share	Concept (Share)	For Period		teck:DecreaseInDilutedEarningsLossPerShare
1711	Cash equivalents	Concept (Monetary)	As Of	Debit	ifrs-full:CashEquivalents
1712	Impact on retained earnings	Concept (Monetary)	As Of	Debit	teck:ExpectedImpactOnRetainedEarnings
1713	Marketable equity securities	Concept (Monetary)	As Of	Debit	teck:MarketableEquitySecurities
1714	Reclassification of loss from retained earnings to accumulated other comprehensive income (loss)	Concept (Monetary)	For Period	Debit	teck:ReclassificationOfLossFromRetainedEarningsToAccumulatedOtherComprehensiveIncomeLoss
1715	Reclassification of loss from retained earnings to accumulated other comprehensive income (loss) after tax	Concept (Monetary)	For Period	Debit	teck:ReclassificationOfLossFromRetainedEarningsToAccumulatedOtherComprehensiveIncomeLossAfterTax
1716	Debt securities	Concept (Monetary)	As Of	Credit	ifrs-full:DebtSecurities
1717	1150 - Disclosure - Adoption of New IFRS Pronouncements - Summary of Adjustments to Condensed Consolidated Statements of Comprehensive Income (Detail)	Network	*	*	http://www.teck.com/taxonomy/role/DisclosureAdoptionOfNewIFRSPronouncementsSummaryOfAdjustmentsToCondensedConsolidatedStatementsOfComprehensiveIncome
1718	Disclosure of retrospective adjustments of financial statements [table]	Table	*	*	teck:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsTable
1719	Retrospective application and retrospective restatement [axis]	Axis			ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1720	Currently stated [member]	Member			ifrs-full:RestatedMember
1721	Previously stated [member]	Member			ifrs-full:PreviouslyStatedMember
1722	Increase (decrease) due to application of IFRS 15 [member]	Member			ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
1723	Disclosure of retrospective adjustments of financial statements [line items]	LineItems			teck:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsLineItems
1724	Comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome
1725	Profit	Concept (Monetary)	For Period	Credit	ifrs-full:ProfitLoss
1726	Other comprehensive income:	Abstract			ifrs-full:OtherComprehensiveIncomeAbstract
1727	Currency translation differences	Concept (Monetary)	For Period	Credit	ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax
1728	Total comprehensive income after accounting changes attributable to:	Abstract			ifrs-full:MiscellaneousOtherComprehensiveIncomeAbstract
1729	Shareholders of the company	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
1730	Non-controlling interests	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
1731	Comprehensive income	Concept (Monetary)	For Period	Credit	ifrs-full:ComprehensiveIncome