Financial Instruments and Fair Value Measurements - Summary of Derivative Instruments Designated as Cash Flow Hedges (Detail) - Cash Flow Hedging - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Income	$ (9)	$ 2	$ 11
(Gain) loss reclassified from Accumulated Other Comprehensive Income	(2)	1	(7)
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 Income	(2)	2	3
(Gain) loss reclassified from Accumulated Other Comprehensive Income	(2)	(3)	1
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 Income	0	9	8
(Gain) loss reclassified from Accumulated Other Comprehensive Income	3	(4)	(9)
Interest Rate Contract | Interest expense, net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Income	(7)	(9)	0
(Gain) loss reclassified from Accumulated Other Comprehensive Income	$ (3)	$ 8	$ 1