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Acquisitions (Detail) - TenThousand Projects - USD ($) $ in Millions |  | 9 Months Ended
--- | --- | ---
Aug. 25, 2023 | Jun. 30, 2024
Business Acquisition [Line Items] |  |
Percentage of voting interests acquired (as a percent) | 51.00% |
Purchase price of selected assets | $ 98 |
Final purchase price | 102 |
Base price payable | $ 12 | $ 11
Decrease to intangible assets |  | 1
Decrease in goodwill |  | 1
Increase to other acquired liabilities |  | 1
Net decrease in fair value of noncontrolling interest |  | $ 1

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