Consolidated statement of cash flows (U.S. GAAP, unaudited) - CAD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Operating activities | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net income (loss) | $ 2,454 | $ 539 | $ 5,584 | $ 2,776 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Adjustments for non-cash items: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Depreciation and depletion (includes impairments) | 500 | 911 | 1,531 | 1,920 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| (Gain) loss on asset sales | 5 | 22 | (59) | 11 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Deferred income taxes and other | (175) | (200) | (561) | (231) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Changes in operating assets and liabilities: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accounts receivable | (966) | 444 | (4,767) | 600 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Inventories, materials, supplies and prepaid expenses | (143) | (266) | (172) | (319) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Income taxes payable | 583 | 18 | 1,081 | (63) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Accounts payable and accrued liabilities | 797 | 2 | 3,828 | (201) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| All other items - net | [1] | 173 | 328 | 223 | 297 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash flows from (used in) operating activities | 3,228 | 1,798 | 6,688 | 4,790 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Investing activities | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additions to property, plant and equipment | (662) | (504) | (1,667) | (1,373) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Proceeds from asset sales | (2) | 21 | 65 | 34 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional investments | 0 | 0 | 0 | (4) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Loans to equity companies - net | 2 | 1 | 20 | 12 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash flows from (used in) investing activities | (662) | (482) | (1,582) | (1,331) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Financing activities | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Finance lease obligations - reduction | (6) | (6) | (14) | (14) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends paid | (420) | (366) | (1,191) | (1,040) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Common shares purchased | [2] | (2,086) | (1,469) | (2,150) | (1,523) | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash flows from (used in) financing activities | (2,512) | (1,841) | (3,355) | (2,577) | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Increase (decrease) in cash and cash equivalents | 54 | (525) | 1,751 | 882 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash and cash equivalents at beginning of period | 2,839 | 2,386 | 1,142 | 979 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Cash and cash equivalents at end of period | [3] | $ 2,893 | $ 1,861 | $ 2,893 | $ 1,861 | ||||||||||||||||||||||||||||||||||||||||||||||||||
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| X | ||||||||||
- Definition The component of income tax expense for the period representing the net change in the entity's deferred tax assets and liabilities pertaining to continuing operations. Prior year Exploration and Exploratory dry hole costs written off as expense in the current year. Entity's net proportionate share for the period of net earnings, less dividends, of its investment to which the equity method of accounting is applied. No definition available.
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| X | ||||||||||
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets or depleting assets to periods that benefit from use of the assets but excludes impairment of specifically identified intangible assets associated with carbon emission cap and trade intangible assets. No definition available.
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| X | ||||||||||
- Definition The net change during the reporting period in the aggregate value of all inventory, materials and supplies held by the reporting entity, associated with underlying transactions that are classified as operating activities. And the net change during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods. No definition available.
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| X | ||||||||||
- Definition Net movement related to loans to equity companies. No definition available.
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| X | ||||||||||
- Definition Proceeds from Sale of Property, Plant, and Equipment, Net of Adjustments No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; including effect from exchange rate change and including, but not limited to, discontinued operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of cash outflow for principal payment on finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from financing activity, including, but not limited to, discontinued operation. Financing activity includes, but is not limited to, obtaining resource from owner and providing return on, and return of, their investment; borrowing money and repaying amount borrowed, or settling obligation; and obtaining and paying for other resource obtained from creditor on long-term credit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from investing activity, including, but not limited to, discontinued operation. Investing activity includes, but is not limited to, making and collecting loan, acquiring and disposing of debt and equity instruments, property, plant, and equipment, and other productive assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The cash outflow to reacquire common stock during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cash outflow associated with the purchase of all investments (debt, security, other) during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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