Valuation and Qualifying Accounts - Schedule of Valuation and Qualifying Accounts (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Allowances for Returns and Doubtful Accounts [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ (208)	$ (213)	$ (220)
Additions	(536)	(603)	(566)
Acquisitions and disposals	(5)	(2)	(12)
Utilization	531	611	582
Foreign exchange	1	(1)	3
Balance at end of year	(217)	(208)	(213)
Deferred Tax Valuation Allowance [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	(1,187)	(1,014)	(1,308)
Additions	(409)	(92)	(8)
Acquisitions and disposals	169	(92)	109
Utilization	13	23	114
Foreign exchange	29	(12)	79
Balance at end of year	$ (1,385)	$ (1,187)	$ (1,014)