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Supplementary Cash Flow Information - Non-Cash Working Capital (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure Of Supplementary Cash Flow Information [Line Items] |  |  |
Accounts Receivable and Accrued Revenues | $ 838 | $ (953) | $ 77
Income Tax Receivable | (58) | (1) | (12)
Inventories | (143) | (1,646) | 450
Accounts Payable and Accrued Liabilities | (524) | 1,645 | (338)
Income Tax Payable | 1,000 | 87 | (17)
Total Change in Non-Cash Working Capital | 1,113 | (868) | 160
Net Change in Non-Cash Working Capital – Operating Activities | 575 | (1,227) | 198
Net Change in Non-Cash Working Capital – Investing Activities | 538 | 359 | (38)
Interest Paid | 647 | 811 | 381
Interest Received | 78 | 24 | 5
Income Taxes Paid | $ 723 | $ 209 | $ 18

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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 2022-03-24 -Paragraph 20 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_20_a&doctype=Standard -URIDate 2022-03-24 + Details
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