Additional Financial Information - Components of Accumulated Other Comprehensive (Loss) Income (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Unrealized holding (losses) gains on securities, income tax expense	$ 0	$ 0	$ 14
Pension plans, income tax (benefit) expense	(14)	(11)	(3)
Foreign currency translation adjustments, fiscal year activity	(398)	(1,183)	356
Share of other comprehensive income from equity affiliates, net, income tax expense (benefit)	(7)	1	(1)
Noncontrolling Interests [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments, fiscal year activity	$ (1)	$ (24)	$ 2