Property, net (Details) - USD ($) $ in Millions |
Sep. 30, 2026 |
Sep. 30, 2025 |
|---|---|---|
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment | $ 2,904 | $ 2,794 |
| Less: Accumulated depreciation | (2,033) | (1,997) |
| Property, net | 871 | 797 |
| Land | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment | 10 | 5 |
| Buildings and improvements | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment | 560 | 490 |
| Machinery and equipment | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment | 1,548 | 1,533 |
| Internal-use software | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment | 640 | 636 |
| Construction in progress | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment | $ 146 | $ 130 |
| X | ||||||||||
- Definition Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- 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/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|