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, 2018	Jun. 30, 2017	Jun. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Income	$ 11	$ 0	$ 0
Gain (loss) reclassified from Accumulated Other Comprehensive Income	7	0	0
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	3	0	0
Gain (loss) reclassified from Accumulated Other Comprehensive Income	(1)	0	0
Cross Currency Interest Rate Derivatives [Member] | Interest, Net [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Income	8	0	0
Gain (loss) reclassified from Accumulated Other Comprehensive Income	9	0	0
Interest Rate Contract [Member] | Interest, Net [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Income	0	0	0
Gain (loss) reclassified from Accumulated Other Comprehensive Income	$ (1)	$ 0	$ 0