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v3.25.1

Debt and Financing Arrangements (Details) € in Millions | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Feb. 28, 2025 USD ($) | Feb. 28, 2025 EUR (€) | Mar. 31, 2025 USD ($) creditFacility | Mar. 31, 2024 USD ($) | Mar. 31, 2025 EUR (€) creditFacility | Sep. 30, 2024 USD ($)
Short-Term Debt [Line Items] |  |  |  |  |  |
Short-term debt |  |  | $ 1,261,000,000 |  |  | $ 953,000,000
Weighted average interest rate on short-term debt outstanding |  |  | 3.80% |  | 3.80% | 4.80%
Debt repayments |  |  | $ 502,000,000 | $ 163,000,000 |  |
Revolving Credit Facility |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |
Number of revolving credit facilities | creditFacility |  |  | 2 |  | 2 |
Long-term debt |  |  | $ 0 |  |  |
$2.5 Billion Facility Expiring Dec 2024 |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  | 2,500,000,000 |  |  |
$500 Million Facility Expiring Nov 2023 |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  | 500,000,000 |  |  |
$250 million facility expiring Dec 2032 | Senior Notes |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  |  | $ 250,000,000 |  |  |
Debt instrument, interest rate, stated percentage |  |  | 4.90% |  | 4.90% |
4.900% Senior Notes due 2032 | Senior Notes |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  |  | $ 400,000,000 |  |  |
Debt instrument, interest rate, stated percentage |  |  | 4.90% |  | 4.90% |
3.125% Senior Notes due 2033 | Senior Notes |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |
Debt instrument, face amount | € |  |  |  |  | € 500 |
Debt instrument, interest rate, stated percentage |  |  | 3.125% |  | 3.125% |
1.375% Notes Due 2025 | Senior Notes |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |
Debt repayments | € |  | € 476 |  |  |  |
Debt instrument, interest rate, stated percentage | 1.375% | 1.375% |  |  |  |
5.125% Notes due 2045 | Senior Notes |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |
Debt extinguished | $ 7,000,000 |  |  |  |  |
Debt instrument, interest rate, stated percentage | 5.125% | 5.125% |  |  |  |
Commercial paper |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |
Short-term debt |  |  | $ 673,000,000 |  |  | $ 350,000,000
Term loans |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |
Short-term debt |  |  | 587,000,000 |  |  | 603,000,000
Bank borrowings |  |  |  |  |  |
Short-Term Debt [Line Items] |  |  |  |  |  |
Short-term debt |  |  | $ 1,000,000 |  |  | $ 0

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