Financial Instruments and Fair Value Measurements - Summary of Derivative Instruments Designated as Cash Flow Hedges (Detail) - Cash Flow Hedging - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Loss	$ 3	$ 45	$ (13)	$ 32
(Gain) loss reclassified from Accumulated Other Comprehensive Loss	0	(33)	15	(37)
Foreign currency derivatives | Operating expenses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Loss	3	5	3	3
(Gain) loss reclassified from Accumulated Other Comprehensive Loss	0	(1)	(1)	(3)
Cross currency interest rate derivatives | Interest expense, net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Loss	0	43	(15)	35
(Gain) loss reclassified from Accumulated Other Comprehensive Loss	(1)	(33)	12	(30)
Interest rate derivatives | Interest expense, net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Loss	0	(3)	(1)	(6)
(Gain) loss reclassified from Accumulated Other Comprehensive Loss	$ 1	$ 1	$ 4	$ (4)