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Cash Flow Information - Disclosure of Non-cash Operating Working Capital (Details) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of cash flow statement [Abstract] |  |  |
Accounts receivable | $ 715 | $ (869) | $ (28)
Prepaid expenses | 0 | 0 | 9
Income taxes receivable | 27 | (61) | 0
Inventory | (2) | 6 | 42
Accounts payable, accrued liabilities and provisions | (550) | 548 | 153
Income taxes payable | (66) | 60 | (2)
Change in non-cash operating working capital | $ 124 | $ (316) | $ 174

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- Definition Adjustments for decrease (increase) in trade accounts receivable to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 20 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_20_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The increase (decrease) in working capital. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 20 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_20&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition Adjustments for income tax payable + References No definition available. + Details
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- Definition Adjustments for Increase Decrease in Accounts Payable and Other Current Liabilities + References No definition available. + Details
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- Definition Disclosure of cash flow statement [Abstract] + References No definition available. + Details
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