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v3.23.2

Debt - Narrative (Detail) |  |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2023 USD ($) | Jan. 27, 2023 USD ($) | Nov. 01, 2022 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 EUR (€) | Sep. 30, 2022 EUR (€)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, covenant, total indebtedness to EBITDA ratio | 3.50 |  |  | 3.50 |  | 3.50 |  | 3.50 |
Loss on extinguishment of debt |  |  |  | $ (4,000,000) | $ 0 | $ (4,000,000) | $ 0 |  |
Interest expense, net |  |  |  | 38,000,000 | 32,000,000 | 105,000,000 | 94,000,000 |  |
Interest Expense, Debt |  |  |  | $ 41,000,000 | $ 32,000,000 | $ 115,000,000 | $ 93,000,000 |  |
Weighted-average interest rate of total debt | 4.10% |  |  | 4.10% | 3.30% | 4.10% | 3.30% | 4.10% | 3.50%
2.750% Senior Secured Notes due 2028 | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 2.75% |  |  | 2.75% |  | 2.75% |  | 2.75% | 2.75%
Face or principal amount of debt instrument | € |  |  |  |  |  |  |  | € 325,000,000 | € 325,000,000
3.750% Senior Secured Notes due 2029 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 3.75% |  |  | 3.75% | 3.75% | 3.75% | 3.75% | 3.75% |
3.750% Senior Secured Notes due 2029 | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 3.75% |  |  | 3.75% |  | 3.75% |  | 3.75% | 3.75%
3.875% Senior Secured Notes due 2030 | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 3.875% |  |  | 3.875% |  | 3.875% |  | 3.875% | 3.875%
2.250% Senior Secured Notes due 2031 | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 2.25% |  |  | 2.25% |  | 2.25% |  | 2.25% | 2.25%
Face or principal amount of debt instrument | € |  |  |  |  |  |  |  | € 445,000,000 | € 445,000,000
3.000% Senior Secured Notes due 2031 | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate | 3.00% |  |  | 3.00% |  | 3.00% |  | 3.00% | 3.00%
Senior Term Loan Facility | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, increase |  |  | $ 150,000,000 |  |  |  |  |  |
Maximum commitments under the facility | $ 1,295,000,000 |  | $ 1,295,000,000 | $ 1,295,000,000 |  | $ 1,295,000,000 |  |  |
Repayments of secured debt | 150,000,000 |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  | 4,000,000 |  | 4,000,000 |  |  |
Term Loan Mortgage | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Face or principal amount of debt instrument |  | $ 19,000,000 |  |  |  |  |  |  |
Term Loan Mortgage | Acquisition Corp. | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  | 1.40% |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Scheduled maturities of long-term debt in 2023 | 0 |  |  | 0 |  | 0 |  |  |
Scheduled maturities of long-term debt in 2024 | 0 |  |  | 0 |  | 0 |  |  |
Scheduled maturities of long-term debt in 2025 | 0 |  |  | 0 |  | 0 |  |  |
Scheduled maturities of long-term debt in 2026 | 0 |  |  | 0 |  | 0 |  |  |
Scheduled maturities of long-term debt, 2027 | 0 |  |  | 0 |  | 0 |  |  |
Scheduled maturities of long-term debt, 2028 | 354,000,000 |  |  | 354,000,000 |  | 354,000,000 |  |  |
Scheduled maturities of long-term debt, thereafter | $ 2,360,000,000 |  |  | $ 2,360,000,000 |  | $ 2,360,000,000 |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, covenant, total indebtedness to EBITDA ratio | 3.50 |  |  | 3.50 |  | 3.50 |  | 3.50 |

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