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GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets Acquired (Detail) $ in Millions | 12 Months Ended
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Sep. 30, 2025 USD ($)
Intangible Asset, Acquired, Finite-Lived [Line Items] |
Intangible assets subject to amortization | $ 125
intangible Assets, Acquired During the Period | 136
Trademarks and trade names |
Intangible Asset, Acquired, Finite-Lived [Line Items] |
Intangible assets not subject to amortization | 11
Technology |
Intangible Asset, Acquired, Finite-Lived [Line Items] |
Intangible assets subject to amortization | $ 71
Technology | Minimum |
Intangible Asset, Acquired, Finite-Lived [Line Items] |
Amortization Period (in years) | 10 years
Technology | Maximum |
Intangible Asset, Acquired, Finite-Lived [Line Items] |
Amortization Period (in years) | 20 years
Order backlog |
Intangible Asset, Acquired, Finite-Lived [Line Items] |
Intangible assets subject to amortization | $ 17
Amortization Period (in years) | 1 year
Order backlog | Minimum |
Intangible Asset, Acquired, Finite-Lived [Line Items] |
Amortization Period (in years) | 1 year
Order backlog | Maximum |
Intangible Asset, Acquired, Finite-Lived [Line Items] |
Amortization Period (in years) | 3 years
Customer relationships |
Intangible Asset, Acquired, Finite-Lived [Line Items] |
Intangible assets subject to amortization | $ 37
Customer relationships | Minimum |
Intangible Asset, Acquired, Finite-Lived [Line Items] |
Amortization Period (in years) | 10 years
Customer relationships | Maximum |
Intangible Asset, Acquired, Finite-Lived [Line Items] |
Amortization Period (in years) | 20 years

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