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SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
Allowance for doubtful accounts |  |  |
Valuation and Qualifying Account |  |  |
Balance at beginning of year | $ 71 | $ 64 | $ 53
Charged (credited) to costs and expenses | 61 | 69 | 61
Other | (64) | (62) | (50)
Balance at end of year | 68 | 71 | 64
Deferred tax assets valuation allowance |  |  |
Valuation and Qualifying Account |  |  |
Balance at beginning of year | 141 | 141 | 138
Charged (credited) to costs and expenses | 16 | (38) | (14)
Other | (27) | 38 | 17
Balance at end of year | $ 130 | $ 141 | $ 141

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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
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