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v3.23.3

Debt and Financing Arrangements - Narrative (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 11, 2023
Debt Instrument [Line Items] |  |  |  |
Interest paid | $ 298,000,000 | $ 226,000,000 | $ 242,000,000 |
$2.5 Billion Facility Expiring Dec 2024 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | 2,500,000,000 |  |  |
$500 million facility expiring Nov 2023 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | 500,000,000 |  |  |
$2.5 billion facility expiring Dec 2028 | Subsequent Event |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | $ 2,500,000,000
$500 million facility expiring Dec 2024 | Subsequent Event |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | $ 500,000,000
Revolving Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt | $ 0 |  |  |

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