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Borrowings - Schedule of Outstanding Borrowings (Details) - USD ($)	Jun. 30, 2024	Aug. 17, 2023	Jun. 30, 2023	May 31, 2021	Dec. 31, 2019	Jun. 30, 2016
Line of Credit Facility [Line Items]
Principal amount	$ 3,370,000,000
Current portion of long-term debt	0		$ 1,178,500,000
Fair value of fixed-rate notes	3,111,600,000
Long-term debt	3,355,100,000		2,234,700,000
Unused available capacity	1,500,000,000
Total long-term debt	3,355,100,000		3,413,300,000
Term Loans
Line of Credit Facility [Line Items]
Principal amount	0
Current portion of long-term debt	0		1,178,500,000
Fair value of fixed-rate notes	0
Revolving Credit Facility
Line of Credit Facility [Line Items]
Principal amount	0
Fair value of fixed-rate notes	0
Long-term debt	0		0
Unused available capacity	1,500,000,000
Senior Notes
Line of Credit Facility [Line Items]
Principal amount	2,250,000,000
Fair value of fixed-rate notes	1,991,600,000
Long-term debt	2,237,200,000		2,234,700,000
Fiscal 2021 Term Loan \| Term Loans
Line of Credit Facility [Line Items]
Principal amount	0
Current portion of long-term debt	0		1,178,500,000
Fair value of fixed-rate notes	0
Fiscal 2021 Revolving Credit Facility, U.S. Dollar Tranche \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Principal amount	0
Fair value of fixed-rate notes	0
Long-term debt	0		0
Unused available capacity	1,100,000,000
Fiscal 2021 Revolving Credit Facility, Multicurrency Tranche \| Revolving Credit Facility
Line of Credit Facility [Line Items]
Principal amount	0
Fair value of fixed-rate notes	0
Long-term debt	0		0
Unused available capacity	400,000,000.0
Fiscal 2024 Amended Term Loans \| Term Loans
Line of Credit Facility [Line Items]
Principal amount	1,120,000,000	$ 1,300,000,000
Fair value of fixed-rate notes	1,120,000,000
Long-term debt	1,117,900,000		0
Fiscal 2016 Senior Notes \| Senior Notes
Line of Credit Facility [Line Items]
Principal amount	500,000,000.0					$ 500,000,000
Fair value of fixed-rate notes	480,400,000
Long-term debt	498,700,000		498,000,000.0
Fiscal 2020 Senior Notes \| Senior Notes
Line of Credit Facility [Line Items]
Principal amount	750,000,000.0				$ 750,000,000
Fair value of fixed-rate notes	667,700,000		641,000,000.0
Long-term debt	745,100,000		744,300,000
Fiscal 2021 Senior Notes \| Senior Notes
Line of Credit Facility [Line Items]
Principal amount	1,000,000,000			$ 1,000,000,000
Fair value of fixed-rate notes	843,500,000
Long-term debt	$ 993,400,000		$ 992,500,000