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Derivative Instruments and Hedging Activities Outstanding Commodity Hedge Contracts (Details) - T | 12 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Copper [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Mass | 2,656 | 2,497
Aluminum [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Mass | 5,159 | 3,036

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- Definition Nominal mass used to calculate payments on a derivative instrument. + References No definition available. + Details
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- Details
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- Details
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Period Type: |