Consolidated Statements of Income - CAD ($) shares in Millions, $ in Millions |
12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Income Statement [Abstract] | |||||||||
| Revenues | $ 17,107 | $ 14,477 | $ 13,819 | ||||||
| Operating expenses | |||||||||
| Labor and fringe benefits | 2,935 | 2,879 | 2,723 | ||||||
| Purchased services and material | 2,191 | 2,082 | 2,152 | ||||||
| Fuel | 2,518 | 1,513 | 1,152 | ||||||
| Depreciation and amortization | 1,729 | 1,598 | 1,589 | ||||||
| Equipment rents | 338 | 336 | 432 | ||||||
| Casualty and other | 556 | 506 | 508 | ||||||
| Loss (recovery) on assets held for sale | 0 | (137) | 486 | ||||||
| Transaction-related costs | 0 | 84 | 0 | ||||||
| Total operating expenses | 10,267 | 8,861 | 9,042 | ||||||
| Operating income | 6,840 | 5,616 | 4,777 | ||||||
| Interest expense | (548) | (610) | (554) | ||||||
| Other components of net periodic benefit income | 498 | 407 | [1] | 292 | [1] | ||||
| Merger termination fee | 0 | 886 | 0 | ||||||
| Other income (loss) | (27) | 43 | 6 | ||||||
| Income before income taxes | 6,763 | 6,342 | [1] | 4,521 | [1] | ||||
| Income tax expense | (1,645) | (1,443) | [1] | (976) | [1] | ||||
| Net income | $ 5,118 | $ 4,899 | [1] | $ 3,545 | [2] | ||||
| Earnings per share | |||||||||
| Basic (in dollars per share) | $ 7.46 | $ 6.91 | [1] | $ 4.98 | [1] | ||||
| Diluted (in dollars per share) | $ 7.44 | $ 6.90 | [1] | $ 4.97 | [1] | ||||
| Weighted-average number of shares | |||||||||
| Basic (in shares) | 686.4 | 708.5 | 711.3 | ||||||
| Diluted (in shares) | 688.3 | 710.3 | 713.0 | ||||||
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| X | ||||||||||
- Definition Business Combination, Merger Termination Fee No definition available.
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| X | ||||||||||
- Definition Other expenses including costs associated with casualty, environmental, insurance and operating taxes. No definition available.
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| X | ||||||||||
- Definition Rent paid for freight cars owned by other railroads or private companies, net of rents received, including lease expenses primarily for locomotives, railcars, containers and trailers, office and other rentals. No definition available.
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- Definition Materials and contracted services to maintain infrastructure and equipment and terminal services at intermodal and automotive facilities. No definition available.
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| X | ||||||||||
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. 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 amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Fuel costs incurred that are directly related to goods produced and sold and services rendered during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. 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 current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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