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Exploration and Evaluation Assets, Net | 12 Months Ended
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Dec. 31, 2022
Disclosure Of Exploration And Evaluation Assets [Abstract] |
Exploration and Evaluation Assets, Net |
19. EXPLORATION AND EVALUATION ASSETS, NET
| Total
As at December 31, 2020 | 623
Acquisitions (Note 5) | 45
Additions | 55
Write-downs | (9)
Change in Decommissioning Liabilities | 6
As at December 31, 2021 | 720
Additions | 37
Write-downs | (64)
Change in Decommissioning Liabilities | (12)
Exchange Rate Movements and Other (1) | 4
As at December 31, 2022 | 685
(1)Immediately prior to the Sunrise Acquisition, Bay du Nord had a carrying value of $nil. The Company re-measured its interest in Bay du Nord to $40 million and recognized a revaluation gain of $40 million. For the year ended December 31, 2022, $2 million and $62 million of previously capitalized E&E costs were written off as exploration expense in the Oil Sands segment and Offshore segment, respectively (2021 – $9 million in the Oil Sands segment), as the carrying value was not considered to be recoverable.

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- Definition The entire disclosure for exploration and evaluation assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 6 -IssueDate 2022-03-24 -Section Disclosure -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=6&code=ifrs-tx-2022-en-r&doctype=Standard&dita_xref=IFRS06_g23-25__IFRS06_g23-25_TI -URIDate 2022-03-24 + Details
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