Valuation and Qualifying Accounts - Schedule of Valuation and Qualifying Accounts (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019		Jun. 30, 2018		Jun. 30, 2017
Allowances for doubtful accounts [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ (46)		$ (42)		$ (43)
Additions	(5)		(11)		(14)
Acquisitions and disposals	(10)		(5)		(2)
Utilization	14		11		17
Foreign exchange	1		1		0
Balance at end of year	(46)		(46)		(42)
Allowances for sales returns [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	(171)	[1]	(166)		(170)
Additions	(615)	[1]	(526)		(590)
Acquisitions and disposals	0	[1]	0		0
Utilization	593	[1]	519		594
Foreign exchange	1	[1]	2		0
Balance at end of year	(192)	[1]	(171)	[1]	(166)
Deferred Tax Valuation Allowance [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	(1,385)		(1,187)		(1,014)
Additions	(53)		(409)		(92)
Acquisitions and disposals	(122)		169		(92)
Utilization	27		13		23
Foreign exchange	65		29		(12)
Balance at end of year	$ (1,468)		$ (1,385)		$ (1,187)

[1] As a result of the adoption of the new revenue recognition standard during fiscal 2019, the Company reclassified the allowance for sales returns from Receivables, net to Other current liabilities. See Note 2—Summary of Significant Accounting Policies.