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Supplementary Cash Flow Information - Non-Cash Working Capital (Details) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Supplementary Cash Flow Information [Line Items] |  |
Accounts Receivable and Accrued Revenues | $ 314 | $ 838
Income Tax Receivable | (295) | (58)
Inventories | 216 | (143)
Accounts Payable and Accrued Liabilities | (685) | (524)
Income Tax Payable | (1,112) | 1,000
Total Change in Non-Cash Working Capital | (1,562) | 1,113
Net Change in Non-Cash Working Capital – Operating Activities | (1,193) | 575
Net Change in Non-Cash Working Capital – Investing Activities | (369) | 538
Interest Paid | 402 | 647
Interest Received | 130 | 78
Income Taxes Paid | $ 2,595 | $ 723

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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 Adjustments for impairment loss (reversal of impairment loss) on inventories recognised in profit or loss to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Inventories; Impairment loss; Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss; Impairment loss (reversal of impairment loss) recognised in profit or loss] + 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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