Income Taxes - Provision for Income Tax Recovery (Expense) (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
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| Operating Loss Carryforwards [Line Items] | ||
| Income (loss) before income taxes | $ 185 | $ (3,623) |
| Expected income tax (expense) recovery at Canadian statutory income tax rate of 26.5% (2022 - 26.5%) | (49) | 960 |
| Permanent differences | ||
| Net unrealized gain (loss) on equity and other investments | 276 | (419) |
| Sales of businesses | 195 | 0 |
| Canadian taxes on foreign earnings | (51) | 0 |
| Stock-based compensation | (74) | (18) |
| Other permanent differences | (6) | (11) |
| Foreign tax rate differential | 48 | 36 |
| Tax credits recognized during the year | 21 | 17 |
| Change in valuation allowance | (409) | (397) |
| Other items | (4) | (5) |
| (Provision for) recovery of income taxes | $ (53) | $ 163 |
| Canada Revenue Agency | ||
| Operating Loss Carryforwards [Line Items] | ||
| Canadian statutory income tax rate | 26.50% | 26.50% |
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- Definition Effective Income Tax Rate Reconciliation, Nondeductible Expense, Unrealized Gain On Equity And Other Investments, Amount No definition available.
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before tax, of income (loss) attributable to parent. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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- 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 increase (decrease) in the valuation allowance for deferred tax assets. 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 the disposition of a business not qualifying as a discontinued operation. 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 foreign income tax expense (benefit). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from 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 other nondeductible expenses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. 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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- 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 repatriation of foreign earnings. 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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Details
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