Income Taxes (Reconciliation of Statutory Tax Rate) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Income Tax Disclosure [Abstract] | |||
| Pre-tax income before equity in net loss (income) of non-consolidated affiliates | $ 18 | $ 839 | $ 814 |
| Canadian statutory tax rate | 25.00% | 25.00% | |
| Provision at the Canadian statutory rate | $ 210 | $ 204 | |
| Increase (decrease) for taxes on income (loss) resulting from: | |||
| Exchange translation items | 17 | 5 | |
| Exchange remeasurement of deferred income taxes | (7) | 1 | |
| Change in valuation allowances | (55) | 12 | |
| Tax credits | (34) | (35) | (36) |
| Expense (income) items not subject to tax | 9 | (9) | |
| State tax expense, net | (1) | (2) | |
| Enacted tax rate changes | 0 | 1 | |
| Tax rate differences on foreign earnings | 48 | 36 | |
| Uncertain tax positions | (24) | 19 | |
| Prior year adjustments | (7) | (18) | |
| Income tax settlements | 7 | 0 | |
| Non-deductible expenses and other, net | 1 | (3) | 5 |
| Income tax provision | $ 1 | $ 159 | $ 218 |
| Effective tax rate | 6.00% | 19.00% | 27.00% |
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- Definition The Canadian statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. No definition available.
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- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period. No definition available.
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- Definition The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations, that is attributable to exchange remeasurement of deferred income taxes. No definition available.
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- Definition The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations, that is attributable to exchange translation adjustments. No definition available.
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- Definition The sum of the differences between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations attributable to nondeductible expenses under enacted tax laws. No definition available.
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- Definition The sum of the differences between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations attributable to changes in all income tax contingencies, whether recorded or adjusted, during the period. No definition available.
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- Definition The sum of the differences between the effective income tax rate and Canadian statutory income tax rate that can be explained by all tax credits generated or utilized under enacted tax laws during the period and other allowances. No definition available.
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- Definition The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations, that is attributable to tax rate differences on foreign earnings.. No definition available.
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- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations, that is attributable to changes in the income tax rates under enacted tax laws in the period. No definition available.
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- Definition The amount of income tax expense or benefit for the period computed by applying the Canadian statutory tax rates to pretax income from continuing operations. No definition available.
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- Definition Increase (decrease) for taxes on income (loss) resulting. No definition available.
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- Definition Amount of current state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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/exampleRef
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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/2003/role/exampleRef
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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 revisions of previously reported 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 income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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