Stockholders' Equity - Schedule of Components of Accumulated Other Comprehensive (Loss) Income, Net of Tax (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|---|---|---|---|
| Equity [Abstract] | |||
| Benefit plan adjustments and other | $ (126) | $ (103) | $ (145) |
| Cumulative translation adjustment | 2 | (4) | (4) |
| Accumulated other comprehensive loss, net of tax | $ (124) | $ (107) | $ (149) |
| X | ||||||||||
- Definition Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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