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Contingencies | 12 Months Ended
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Dec. 31, 2022
Disclosure of contingent liabilities [abstract] |
Contingencies | Contingencies We consider provisions for all of our outstanding and pending legal claims to be adequate. The final outcome with respect to actions outstanding or pending as at December 31, 2022, or with respect to future claims, cannot be predicted with certainty. Significant contingencies not disclosed elsewhere in the notes to our financial statements are as follows: Upper Columbia River Basin Teck American Inc. (TAI) continues studies under the 2006 settlement agreement with the U.S. Environmental Protection Agency (EPA) to conduct a remedial investigation on the Upper Columbia River in Washington State. The Lake Roosevelt litigation involving TML in the Federal District Court for the Eastern District of Washington continues. In December 2012 on the basis of stipulated facts agreed between TML and the plaintiffs, the Court found in favour of the plaintiffs in phase one of the case, issuing a declaratory judgment that TML is liable under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) for response costs, the amount of which will be determined in later phases of the case. TML has exhausted its appeal rights in respect of that decision. The case relates to historic discharges of slag and effluent from TML’s Trail metallurgical facility to the Upper Columbia River. As a consequence of a ruling of the Ninth Circuit Court of Appeals, alleged damages associated with air emissions from the Trail facility were no longer part of the case under CERCLA. In March 2022, the State of Washington was granted leave to amend its claim to seek alleged damages related to air emissions under the Model Toxics Control Act (MTCA), the state law equivalent of CERCLA. In April 2022, TML filed a motion to dismiss the new air-related claims. In the third quarter, the Trial Court denied TML's motion to dismiss those claims and two motions for summary judgment in respect of the CERCLA claims. TML has subsequently filed a motion seeking a ruling that the CERCLA claims are not ripe. Subsequent to year end, following a TML motion for reconsideration, the Trial Court reversed and dismissed the MTCA claims. The State of Washington has filed a further motion challenging parts of this decision and seeking clarification of other parts. A hearing with respect to natural resource damages and assessment costs is scheduled for 2024. Until the studies contemplated by the EPA settlement agreement and additional damage assessments are completed, it is not possible to estimate the extent and cost, if any, of any additional remediation or restoration that may be required or to assess the extent of our potential liability for damages. The studies may conclude, on the basis of risk, cost, technical feasibility or other grounds, that no remediation other than some residential soil removal should be undertaken. If other remediation is required and damage to resources found, the cost of that remediation may be material. Elk Valley Water Quality In the first quarter of 2021, Teck Coal Limited (TCL) pleaded guilty in relation to two counts charging offences under s.36(3) of the Fisheries Act relating to 2012 discharges of selenium and calcite to a mine settling pond and to the upper Fording River from its Fording River and Greenhills steelmaking coal operations in the Elk Valley region of British Columbia. In accordance with a joint sentencing submission by the Crown and TCL, in January 2022, TCL paid a fine of $2 million and made a contribution to the Environmental Damages Fund of $28 million in respect of each offence for a total of $60 million. The amount of the penalties was recorded as a short-term liability within trade accounts payable and other liabilities on our balance sheet as at December 31, 2021. The Crown will not proceed with charges relating to the same discharges over the period from 2013 to 2019. Elkview Business Interruption Claim In the fourth quarter of 2022, we submitted a business interruption insurance claim related to the structural failure of the Elkview plant feed conveyor belt. No amount was recognized in the consolidated financial statements for the insurance claim as of December 31, 2022 as the claims process was in progress. We received an advance payment of insurance proceeds of approximately $50 million in the first quarter of 2023 and we are in the process of resolving the balance of the claim.

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