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Debt - Schedule of Long-term Debt (Detail) € in Millions	Jun. 30, 2024 USD ($)	Jun. 30, 2024 EUR (€)	Nov. 30, 2023 USD ($)	Nov. 29, 2023 USD ($)	Sep. 30, 2023 USD ($)
Debt Instrument [Line Items]
Total long-term debt, including the current portion	$ 4,013,000,000				$ 4,002,000,000
Issuance premium less unamortized discount and unamortized deferred financing costs	(35,000,000)				(38,000,000)
Total long-term debt, including the current portion, net	3,978,000,000				3,964,000,000
Acquisition Corp.
Debt Instrument [Line Items]
Total long-term debt, including the current portion	1,295,000,000
Acquisition Corp. \| Senior Term Loan Facility due 2031
Debt Instrument [Line Items]
Total long-term debt, including the current portion	$ 1,295,000,000				1,295,000,000
Acquisition Corp. \| 2.750% Senior Secured Notes due 2028
Debt Instrument [Line Items]
Interest rate	2.75%	2.75%
Face or principal amount of debt instrument \| €		€ 325
Total long-term debt, including the current portion	$ 348,000,000				343,000,000
Acquisition Corp. \| 3.750% Senior Secured Notes due 2029
Debt Instrument [Line Items]
Interest rate	3.75%	3.75%
Total long-term debt, including the current portion	$ 540,000,000				540,000,000
Acquisition Corp. \| 3.875% Senior Secured Notes due 2030
Debt Instrument [Line Items]
Interest rate	3.875%	3.875%
Total long-term debt, including the current portion	$ 535,000,000				535,000,000
Acquisition Corp. \| 2.250% Senior Secured Notes due 2031
Debt Instrument [Line Items]
Interest rate	2.25%	2.25%
Face or principal amount of debt instrument \| €		€ 445
Total long-term debt, including the current portion	$ 477,000,000				471,000,000
Acquisition Corp. \| 3.000% Senior Secured Notes due 2031
Debt Instrument [Line Items]
Interest rate	3.00%	3.00%
Total long-term debt, including the current portion	$ 800,000,000				800,000,000
Acquisition Corp. \| Mortgage Term Loan due 2033
Debt Instrument [Line Items]
Total long-term debt, including the current portion	18,000,000				18,000,000
Acquisition Corp. \| Revolving Credit Facility
Debt Instrument [Line Items]
Total long-term debt, including the current portion	0				0
Commitments under revolving credit facility	350,000,000		$ 350,000,000	$ 300,000,000	300,000,000
Letters of credit outstanding	2,000,000				2,000,000
Revolving credit facility outstanding	$ 0				$ 0