Financial Instruments and Fair Value Measurements - Summary of Derivative Instruments Designated as Cash Flow Hedges (Detail) - Cash Flow Hedging [Member] - USD ($) $ in Millions	12 Months Ended
	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	$ 2	$ 11
Gain (loss) reclassified from Accumulated Other Comprehensive Income	1	(7)
Foreign Currency Derivatives [Member] | Operating Expense [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Income	2	3
Gain (loss) reclassified from Accumulated Other Comprehensive Income	(3)	1
Cross Currency Interest Rate Derivatives [Member] | Interest (Expense) Income, Net [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Income	9	8
Gain (loss) reclassified from Accumulated Other Comprehensive Income	(4)	(9)
Interest Rate Contract [Member] | Interest (Expense) Income, Net [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Income	(9)	0
Gain (loss) reclassified from Accumulated Other Comprehensive Income	$ 8	$ 1