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v3.24.3

Debt and Other Obligations - Additional Information (Detail) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jul. 31, 2024 | Jun. 30, 2022 USD ($) | Aug. 31, 2021 USD ($) | Jun. 30, 2019 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | May 31, 2023 EUR (€)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Revolving credit facility, committed amount |  |  |  |  |  | $ 1,000,000,000 |  |
Short-term borrowings |  |  |  |  |  | 45,000,000 | $ 174,000,000 |
Revolving credit facility, cap amount used to calculate net debt |  |  |  |  |  | 150,000,000 |  |
Long-term debt |  |  |  |  |  | 1,075,000,000 |  |
Unsecured medium term notes outstanding issued |  |  |  |  |  | $ 8,000,000 | 8,000,000 |
Maturity of the total outstanding medium term notes, years |  |  |  |  |  | 3 years |  |
Weighted average interest of medium term notes |  |  |  |  |  | 7.24% |  |
Chinese Renminbi Debt [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  | $ 4,000,000 | $ 4,000,000 |
3.4% Notes due fiscal 2026 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt maturity date |  |  |  |  |  | Sep. 15, 2026 |  |
Debt instrument, interest rate |  |  |  |  |  | 3.40% | 3.40% |
Unsecured notes issued |  |  |  |  | $ 250,000,000 |  |  |
Debt instrument, discount |  |  |  |  | $ 1,000,000 |  |  |
Proceeds from issuance of unsecured notes |  |  |  |  |  | $ 248,000,000 |  |
Debt instrument due, year |  |  |  |  |  | 2026 | 2026 |
3.4% Notes due fiscal 2026 [Member] | Fixed Rate Debt [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument, interest rate |  |  |  |  | 3.40% |  |  |
Debt instrument due, year |  |  |  | 2026 |  |  |  |
4.0% Notes due 2029 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt issuance cost |  |  |  | $ 3,000,000 |  |  |  |
Debt maturity date |  |  |  | Jul. 01, 2029 |  |  |  |
Debt instrument, interest rate |  |  |  | 4.00% |  | 4.00% | 4.00% |
Unsecured notes issued |  |  |  | $ 300,000,000 |  |  |  |
Debt instrument, discount |  |  |  | 1,000,000 |  |  |  |
Proceeds from issuance of unsecured notes |  |  |  | $ 296,000,000 |  |  |  |
Debt instrument due, year |  |  |  | 2029 |  | 2029 | 2029 |
5.0% Notes due fiscal 2032 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt issuance cost |  | $ 3,000,000 |  |  |  |  |  |
Debt maturity date |  | Jun. 30, 2032 |  |  |  |  |  |
Debt instrument, interest rate |  | 5.00% |  |  |  | 5.00% | 5.00% |
Unsecured notes issued |  | $ 400,000,000 |  |  |  |  |  |
Debt instrument, discount |  | 3,000,000 |  |  |  |  |  |
Proceeds from issuance of unsecured notes |  | $ 394,000,000 |  |  |  |  |  |
Debt instrument due, year |  | 2032 |  |  |  | 2032 | 2032 |
Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument, covenant, ratio of consolidated total debt to consolidated EBITDA |  |  |  |  |  | 3.50% |  |
Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument, covenant, ratio of consolidated total debt to consolidated EBITDA |  |  |  |  |  | 1.00% |  |
Revolving Credit Facility, expires fiscal 2027 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Revolving credit facility, committed amount |  |  | $ 1,000,000,000 |  |  |  |  |
Debt instrument, maturity date |  |  | Aug. 31, 2027 |  |  |  |  |
Amount available under credit facility |  |  |  |  |  | $ 955,000,000 |  |
Line of credit facility, commitment fee percentage | 0.005% |  |  |  |  |  |  |
Line of credit facility, interest rate during period | 0.025% |  |  |  |  |  |  |
Debt instrument due, year |  |  |  |  |  | 2027 | 2027 |
Revolving Credit Facility - Euro, expires fiscal 2027 [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Revolving credit facility, committed amount | € |  |  |  |  |  |  |  | € 300,000,000
Debt instrument, maturity date |  |  |  |  |  | Aug. 31, 2027 |  |
Revolving credit facility, weighted average interest rate |  |  |  |  |  | 5.40% |  |
Credit agreement, available borrowing |  |  |  |  |  | $ 222,000,000 |  |
Debt issuance cost |  |  |  |  |  | $ 1,000,000 |  |
Debt instrument due, year |  |  |  |  |  | 2027 | 2027 |
Standby Letters of Credit [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt instrument due, year |  |  |  |  |  | 2025 |  |
Standby letters of credit, outstanding amount |  |  |  |  |  | $ 7,000,000 |  |
Commercial Paper [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Short-term borrowings |  |  |  |  |  | $ 45,000,000 | $ 172,000,000 |
Weighted-average interest rate |  |  |  |  |  | 4.94% | 5.44% |

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