Share-Based Compensation (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Share-based Compensation by Award [Line Items] | ||
| Total compensation expense | $ 11 | $ 2 |
| Deferred Compensation liability | 37 | |
| SARs | ||
| Share-based Compensation by Award [Line Items] | ||
| Cash payments to settle liabilities | 4 | 1 |
| Unrecognized compensation expense | $ 6 | |
| Unrecognized compensation expense, weighted average period of recognition (years) | 1 year 3 months 18 days | |
| RSUs | ||
| Share-based Compensation by Award [Line Items] | ||
| Cash payments to settle liabilities | $ 0 | $ 28 |
| Unrecognized compensation expense | $ 9 | |
| Unrecognized compensation expense, weighted average period of recognition (years) | 1 year 4 months 24 days | |
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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 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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