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Consolidated Statements of Cash Flows - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Operating activities |  |
Profit (loss) for the year | $ 2,915 | $ (944)
Depreciation and amortization | 1,583 | 1,510
Provision for (recovery of) income taxes | 1,617 | (192)
(Impairment reversal) asset impairment | (215) | 1,244
Gain on sale of investments and assets | (4) | (75)
Loss on debt redemption or purchase | 0 | 11
Net finance expense | 210 | 268
Income taxes paid | (849) | (233)
Remeasurement of decommissioning and restoration provisions for closed operations | 35 | 169
QB2 variable consideration to IMSA and ENAMI | 141 | (56)
Other | 179 | 102
Net change in non-cash working capital items | (874) | (241)
Net cash from operating activities | 4,738 | 1,563
Investing activities |  |
Expenditures on property, plant and equipment | (4,046) | (3,129)
Capitalized production stripping costs | (667) | (499)
Expenditures on investments and other assets | (160) | (190)
Proceeds from investments and assets | 54 | 146
Net cash used in investing activities | (4,819) | (3,672)
Financing activities |  |
Proceeds from debt | 1,639 | 2,426
Revolving credit facilities | (335) | 363
Redemption, purchase or repayment of debt | (155) | (457)
Repayment of lease liabilities | (139) | (163)
QB2 advances from SMM/SC | 326 | 41
Interest and finance charges paid | (400) | (363)
Issuance of Class B subordinate voting shares | 50 | 1
Purchase and cancellation of Class B subordinate voting shares | 0 | (207)
Dividends paid | (106) | (106)
Contributions from non-controlling interests | 113 | 2
Distributions to non-controlling interests | (57) | (9)
Other liabilities | 120 | 0
Net cash used in financing activities | 1,056 | 1,528
Effect of exchange rate changes on cash and cash equivalents | 2 | 5
Net increase (decrease) in cash and cash equivalents | 977 | (576)
Cash and cash equivalents at beginning of year | 450 | 1,026
Cash and cash equivalents at end of year | $ 1,427 | $ 450

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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Adjustments For Losses (Gains) On Sale Of Investments And Assets + References No definition available. + Details
Name: | teck_AdjustmentsForLossesGainsOnSaleOfInvestmentsAndAssets
Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Adjustments for Losses (Gains) arising from difference between carrying amount of financial liability extinguished + References No definition available. + Details
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Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Proceeds from contributions from non-controlling interests + References No definition available. + Details
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Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Proceeds from sales of investments other than investments accounted for using equity method and assets. + References No definition available. + Details
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Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Capitalized production stripping costs. + References No definition available. + Details
Name: | teck_ProductionStrippingCostsCapitalized
Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Purchase Of Investments Other Than Investments Accounts For Using Equity Method And Other Assets + References No definition available. + Details
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Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration