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, 2021	Jun. 30, 2020	Jun. 30, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain (loss) recognized in Accumulated Other Comprehensive Income	$ (12)	$ (9)
Gain (loss) recognized in Accumulated Other Comprehensive Income			$ 2
(Gain) loss reclassified from Accumulated Other Comprehensive Income	15	(2)	1
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	3	(2)
Gain (loss) recognized in Accumulated Other Comprehensive Income			2
(Gain) loss reclassified from Accumulated Other Comprehensive Income	(1)	(2)	(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 Income	(15)	0
Gain (loss) recognized in Accumulated Other Comprehensive Income			9
(Gain) loss reclassified from Accumulated Other Comprehensive Income	11	3	(4)
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	0	(7)
Gain (loss) recognized in Accumulated Other Comprehensive Income			(9)
(Gain) loss reclassified from Accumulated Other Comprehensive Income	$ 5	$ (3)	$ 8

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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- Definition

Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent.

+ References

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-Publisher FASB
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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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