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v3.20.4

Consolidated Statements of Cash Flows $ in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 CAD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 CAD ($) | Dec. 31, 2019 USD ($)
Operating activities |  |  |  |
Profit (loss) for the year | $ (944) |  | $ (588) |
Depreciation and amortization | 1,510 |  | 1,619 |
Provision for (recovery of) income taxes | (192) |  | 120 |
Asset impairments | 1,244 |  | 2,690 |
Gain on sale of investments and assets | (75) |  | (17) |
Loss on debt redemption or purchase | 11 |  | 224 |
Gain on debt prepayment option | 0 |  | (105) |
Net finance expense | 268 |  | 218 |
Income taxes paid | (233) |  | (595) |
Remeasurement of decommissioning and restoration provisions for closed operations |  | $ 169 |  | $ 104
Other | 46 |  | (26) |
Net change in non-cash working capital items | (241) |  | (160) |
Net cash from operating activities | 1,563 |  | 3,484 |
Investing activities |  |  |  |
Expenditures on property, plant and equipment | (3,129) |  | (2,788) |
Capitalized production stripping costs | (499) |  | (680) |
Expenditures on investments and other assets | (190) |  | (178) |
Proceeds from investments and assets | 146 |  | 80 |
Net cash used in investing activities | (3,672) |  | (3,566) |
Financing activities |  |  |  |
Proceeds from debt |  | 2,426 |  | 0
Redemption or purchase and repayment of debt | (457) | (268) | (835) |
Revolving credit facilities |  | $ 363 |  | $ 0
Repayment of lease liabilities | (163) |  | (150) |
QB2 advances from SMM/SC | 41 |  | 938 |
QB2 equity contributions by SMM/SC | 0 |  | 797 |
QB2 partnering and financing transaction costs paid | (8) |  | (113) |
Interest and finance charges paid | (355) |  | (386) |
Issuance of Class B subordinate voting shares | 1 |  | 10 |
Purchase and cancellation of Class B subordinate voting shares | (207) |  | (661) |
Dividends paid | (106) |  | (111) |
Distributions to non-controlling interests | (7) |  | (26) |
Net cash used in financing activities | 1,528 |  | (537) |
Effect of exchange rate changes on cash and cash equivalents | 5 |  | (89) |
Net increase (decrease) in cash and cash equivalents | (576) |  | (708) |
Cash and cash equivalents at beginning of year | 1,026 |  | 1,734 |
Cash and cash equivalents at end of year | $ 450 |  | $ 1,026 |

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- Definition Adjustments for income tax expense to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 35 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_35&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The cash inflow from advances and loans from related parties. [Refer: Related parties [member]; Advances received] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_17&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_45&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B13 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_i&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition Gain (loss) on debt prepayment options. + References No definition available. + Details
Name: | teck_GainLossOnDebtPrepaymentOptions
Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Payment of Financing and Stock Issuance Costs + References No definition available. + Details
Name: | teck_PaymentofFinancingAndStockIssuanceCosts
Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Proceeds From Changes In Ownership Interests In Subsidiaries, Equity Contributions + References No definition available. + Details
Name: | teck_ProceedsFromChangesInOwnershipInterestsInSubsidiariesEquityContributions
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
Name: | teck_PurchaseOfInvestmentsOtherThanInvestmentsAccountsForUsingEquityMethodAndOtherAssets
Namespace Prefix: | teck_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration