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Debt and Financing Arrangements (Details) € in Millions | Dec. 31, 2024 USD ($) creditFacility | Dec. 31, 2024 EUR (€) creditFacility | Sep. 30, 2024 USD ($)
--- | --- | --- | ---
Short-Term Debt [Line Items] |  |  |
Short-term debt | $ 882,000,000 |  | $ 953,000,000
Weighted average interest rate on short-term debt outstanding | 3.70% | 3.70% | 4.80%
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% |
Commercial paper |  |  |
Short-Term Debt [Line Items] |  |  |
Short-term debt | $ 309,000,000 |  | $ 350,000,000
Term loans |  |  |
Short-Term Debt [Line Items] |  |  |
Short-term debt | 569,000,000 |  | 603,000,000
Bank borrowings |  |  |
Short-Term Debt [Line Items] |  |  |
Short-term debt | $ 4,000,000 |  | $ 0

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