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Leases | 12 Months Ended
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Dec. 31, 2022
Leases [Abstract] |
Leases | Leases a) Right-of-Use Assets Our significant lease arrangements include contracts for leasing office premises, mining equipment, railcars and road and port facilities. As at December 31, 2022, $584 million (2021 – $704 million) of right-of-use assets are recorded as part of land, buildings, plant and equipment within property, plant and equipment.
(CAD$ in millions) | 2022 | 2021
Opening net book value | $ | 704 |  | $ | 730 |
Additions | 202 |  | 141 |
Depreciation | (142) |  | (163) |
Changes in foreign exchange rates and other | 39 |  | (4) |
Transfer to assets held for sale | (219) |  | — |
Closing net book value | $ | 584 |  | $ | 704 |
20. Leases (continued) b) Significant Individual Lease Arrangement TAK leases road and port facilities from the Alaska Industrial Development and Export Authority, through which it ships all concentrates produced at the Red Dog mine. The lease requires TAK to pay a minimum annual user fee of US$6 million until 2040. As at December 31, 2022, the related lease liability was $91 million (2021 – $87 million). c) Lease Liability Continuity
(CAD$ in millions) | 2022 | 2021
As at January 1 | $ | 694 |  | $ | 692 |
Cash flows |  |
Principal payments | (149) |  | (139) |
Interest payments | (38) |  | (35) |
Non-cash changes |  |
Additions | 210 |  | 151 |
Interest expense | 38 |  | 35 |
Changes in foreign exchange and other | 25 |  | (10) |
Transfer to liabilities associated with assets held for sale | (209) |  | — |
As at December 31 | $ | 571 |  | $ | 694 |
Less current portion of lease liabilities | (132) |  | (127) |
Non-current lease liabilities | $ | 439 |  | $ | 567 |

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- Definition The entire disclosure for leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2022-03-24 -Section Presentation -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IFRS16_g47-50__IFRS16_g47-50_TI -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2022-03-24 -Section Disclosure -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IFRS16_g51-60__IFRS16_g51-60_TI -URIDate 2022-03-24 + Details
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- Definition Leases [Abstract] + References No definition available. + Details
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