Additional Financial Information - Components of Accumulated Other Comprehensive Income (Loss) (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments, fiscal year activity	$ 356	$ (797)	$ (345)
Unrealized Holding Gains (Losses) on Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net of income tax (benefit) expense , Fiscal year activity	14	0	1
Pension Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net of income tax (benefit) expense , Fiscal year activity	(3)	5	(50)
Share of Other Comprehensive Income from Equity Affiliates Net [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net of income tax (benefit) expense , Fiscal year activity	1	0	0
Noncontrolling Interests [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments, fiscal year activity	$ 2	$ (10)	$ (5)