Property, Plant and Equipment (Details) - USD ($) $ in Millions |
Sep. 30, 2024 |
Sep. 30, 2023 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Gross Property, Plant and Equipment | $ 1,096 | $ 981 |
| Less: Accumulated depreciation | (615) | (523) |
| Net Property, Plant and Equipment | 481 | 458 |
| Land | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross Property, Plant and Equipment | 11 | 11 |
| Buildings and improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross Property, Plant and Equipment | 216 | 194 |
| Furniture and fixtures | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross Property, Plant and Equipment | 45 | 37 |
| Computer hardware and software | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross Property, Plant and Equipment | 650 | 592 |
| Construction in progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross Property, Plant and Equipment | 132 | 107 |
| Machinery and equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Gross Property, Plant and Equipment | $ 42 | $ 40 |