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SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Allowance for doubtful accounts |  |  |
Valuation and Qualifying Account |  |  |
Balance at beginning of year | $ 53 | $ 42 | $ 32
Charged (credited) to costs and expenses | 61 | 36 | 32
Other | (50) | (25) | (22)
Balance at end of year | 64 | 53 | 42
Deferred tax assets valuation allowance |  |  |
Valuation and Qualifying Account |  |  |
Balance at beginning of year | 138 | 105 | 91
Charged (credited) to costs and expenses | (14) | 23 | 0
Other | 17 | 10 | 14
Balance at end of year | $ 141 | $ 138 | $ 105

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