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SCHEDULE I — CONDENSED FINANCIAL INFORMATION OF REGISTRANT (PARENT COMPANY) - Narrative (Details) $ in Millions | 12 Months Ended
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Sep. 30, 2023 USD ($)
Guarantee Obligations [Line Items] |
Debt repayment in year 2022 | $ 57
Debt repayment in year 2023 | 1,687
Parent Company |
Guarantee Obligations [Line Items] |
Surety bonds indemnified | 105
Maximum amount authorized to guarantee obligations to suppliers and customers (up to) | 475
Current carrying value | $ 358

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