Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - CAD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Income Tax Disclosure [Abstract] | ||
| Earnings before income tax expense | $ 2,070 | $ 1,803 |
| Combined Canadian federal and provincial statutory income tax rate (%) | 30.00% | 30.00% |
| Expected federal and provincial taxes at statutory rate | $ 621 | $ 541 |
| Expected federal and provincial taxes at statutory rate decrease resulting from: | ||
| Foreign and other statutory rate differentials | (166) | (162) |
| AFUDC | (22) | (18) |
| Effects of rate-regulated accounting: | ||
| Difference between depreciation claimed for income tax and accounting purposes | (61) | (74) |
| Items capitalized for accounting purposes but expensed for income tax purposes | (16) | (7) |
| Other | 4 | 9 |
| Income tax expense | $ 360 | $ 289 |
| Effective tax rate (%) | 17.40% | 16.00% |
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- Definition Effective Income Tax Rate Reconciliation, At Federal, State And Local Income Tax Rate, Amount No definition available.
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- Definition Effective Income Tax Rate Reconciliation, At Federal, State And Local Income Tax Rate, Percent No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Items Capitalized No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Public Utilities, Allowance for Funds Used During Construction No definition available.
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- Definition Effective Income Tax Reconciliation, Capital Cost Allowance No definition available.
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- Definition Percentage 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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- 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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- References No definition available.
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- 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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- References No definition available.
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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