Financial Instruments and Fair Value Measurements - Summary of Derivative Instruments Designated as Cash Flow Hedges (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash Flow Hedging
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Loss	$ (20)	$ 9
(Gain) loss reclassified from Accumulated Other Comprehensive Loss	(6)	(11)
Interest rate derivatives - cash flow hedges | Cash Flow Hedging | Interest expense, net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Loss	(16)	7
(Gain) loss reclassified from Accumulated Other Comprehensive Loss	(4)	(10)
Foreign currency derivatives - cash flow hedges | Cash Flow Hedging | Operating expenses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Loss	(2)	2
Cross currency interest rate derivatives | Interest expense, net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
(Gain) loss reclassified from Accumulated Other Comprehensive Loss	0	(1)
Cross currency interest rate derivatives | Cash Flow Hedging | Interest expense, net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Loss	(2)	0
(Gain) loss reclassified from Accumulated Other Comprehensive Loss	$ (2)	$ 0