Share-Based Compensation (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Share-based Compensation by Award [Line Items] | ||||
| Total compensation expense | $ 11 | $ (1) | $ 21 | $ 25 |
| Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent | 29 | $ 29 | ||
| SARs | ||||
| Share-based Compensation by Award [Line Items] | ||||
| Number of SARs granted (in shares) | 1,685,232 | |||
| Unrecognized compensation expense | 9 | $ 9 | ||
| Unrecognized compensation expense, weighted average period of recognition (years) | 1 year 3 months 18 days | |||
| RSUs | ||||
| Share-based Compensation by Award [Line Items] | ||||
| Number of RSUs granted (in shares) | 1,787,668 | |||
| Cash payments to settle liabilities | $ 32 | 15 | ||
| Unrecognized compensation expense | $ 17 | $ 17 | ||
| Unrecognized compensation expense, weighted average period of recognition (years) | 1 year 6 months | |||
| Cash | ||||
| Share-based Compensation by Award [Line Items] | ||||
| Cash payments to settle liabilities | $ 7 | $ 11 | ||
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash paid to settle liability for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Net number of non-option equity instruments granted to participants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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