Goodwill and Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($) $ in Millions |
Jun. 30, 2026 |
Sep. 30, 2025 |
|---|---|---|
| Finite Lived Intangible Assets [Line Items] | ||
| Gross Carrying Value, finite lives | $ 109 | $ 106 |
| Accumulated Amortization | (57) | (51) |
| Net Intangible Assets, finite lives | 52 | 55 |
| Developed Technologies [Member] | ||
| Finite Lived Intangible Assets [Line Items] | ||
| Gross Carrying Value, finite lives | 42 | 41 |
| Accumulated Amortization | (16) | (14) |
| Net Intangible Assets, finite lives | 26 | 27 |
| Trademarks [Member] | ||
| Finite Lived Intangible Assets [Line Items] | ||
| Gross Carrying Value, finite lives | 2 | 2 |
| Accumulated Amortization | (1) | (1) |
| Net Intangible Assets, finite lives | 1 | 1 |
| Customer Relationships [Member] | ||
| Finite Lived Intangible Assets [Line Items] | ||
| Gross Carrying Value, finite lives | 65 | 63 |
| Accumulated Amortization | (40) | (36) |
| Net Intangible Assets, finite lives | $ 25 | $ 27 |
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- Definition Amount of accumulated amortization of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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/2009/role/commonPracticeRef
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- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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