SUPPLEMENTAL CASH FLOW INFORMATION - Changes in non-cash operating working capital items (Details) - CAD ($) $ in Millions |
12 Months Ended | |
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Dec. 31, 2025 |
Dec. 31, 2024 |
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| Cash Flow Statement [Abstract] | ||
| Accounts receivable, excluding financing receivables | $ (540) | $ (396) |
| Financing receivables | (115) | (318) |
| Contract assets | 16 | 7 |
| Inventories | 102 | (185) |
| Other current assets | (64) | 146 |
| Accounts payable and accrued liabilities | (21) | (209) |
| Contract and other liabilities | 30 | 79 |
| Total change in net operating assets and liabilities | (592) | (876) |
| Capital expenditures before proceeds on disposition | 3,863 | 4,100 |
| Proceeds on disposition | (156) | (59) |
| Capital expenditures | $ 3,707 | $ 4,041 |
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- Definition Adjustments for the decrease (increase) in contract assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Contract assets; Profit (loss)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Adjustments for decrease (increase) in other current assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other current assets; Profit (loss)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Adjustments for increase (decrease) in trade and other payables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other payables; Profit (loss)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The increase (decrease) in working capital. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The cash inflow from sales of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Adjustments for increase (decrease) in deferred income to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Deferred income; Profit (loss)] No definition available.
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- Definition Capital Expenditures Incurred But Not Yet Paid1 No definition available.
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- Definition Cash Flow Statement [Abstract] No definition available.
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- Definition Increase (Decrease) in Financing Receivables No definition available.
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