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Insurance Recoveries - Additional Information (Detail) - Pepinster, Belgium [Member] - Flood [Member] - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2022 | Sep. 30, 2021
Business Interruption Loss [Line Items] |  |  |  |
Flood-related expenses | $ 17 | $ 1 | $ 6 |
Insurance proceeds |  | 2 | 7 | $ 8
Cash provided by investing activities |  |  | 1 |
Cash provided by operating activities |  |  | 6 |
Insurance settlements receivable |  | $ 8 | $ 8 | $ 9

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