LEASES - Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2024 |
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| Leases [Abstract] | |||
| Operating Lease, Payments | $ 33 | $ 23 | $ 21 |
| Finance Lease, Interest Payment on Liability | 17 | 16 | 14 |
| Finance Lease, Principal Payments | 8 | 7 | 6 |
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | 55 | 25 | 21 |
| Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | $ 49 | $ 25 | $ 83 |
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- Definition Amount of interest paid on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash outflow for principal payment on finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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