Disposition (Details) - CAD ($) $ in Millions |
7 Months Ended | 10 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Nov. 01, 2023 |
Nov. 01, 2023 |
Nov. 01, 2023 |
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Schedule of Equity Method Investments [Line Items] | |||||
| Gain on disposition | $ 23 | $ 0 | |||
| Disposal group, held-for-sale, not discontinued operations | Aitken creek disposal | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Proceeds on disposition | $ 470 | $ 470 | $ 470 | ||
| Gain on disposition | 23 | ||||
| Gain on disposition, after tax | $ 10 | ||||
| Earnings before tax, excluding the gain on disposition | $ 5 | $ 20 | $ 45 | ||
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- Definition Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Net of Tax No definition available.
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- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. No definition available.
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- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before tax of income (loss) from an individually significant component disposed of or held-for-sale including the portion attributable to the noncontrolling interest. Excludes discontinued operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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