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Leases, SoCF (Details) - USD ($) $ in Millions | 12 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
Lessee, Lease, Description [Line Items] |  |  |
Operating cash flows for operating leases | $ 77 | $ 57 | $ 53
Operating cash flows for finance leases | 43 | 42 | 39
Financing cash flows for finance leases | 56 | 60 | 52
Lease assets obtained in exchange for lease obligations - finance | 3 | 0 | 233
Lease assets obtained in exchange for lease obligations - operating | $ 84 | $ 43 | $ (22)

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- Definition Lease assets obtained in exchange for lease obligations - finance + References No definition available. + Details
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- Definition Lease assets obtained in exchange for lease obligations - operating + References No definition available. + Details
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- Definition Operating cash flows for finance leases + References No definition available. + Details
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- Definition Operating cash flows for operating leases + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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