Financial Instruments (Schedule of gain/(loss) recocognized in earnings for derivatives not designated as hedging instrument) (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Foreign Currency Contracts \| Not Designated as Hedging Instrument \| Other Income, Net
Derivative [Line Items]
Gain/(loss) recognized in earnings for economic (non-designated) derivative instruments	$ (45)	$ 12	$ 6

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

Name:	us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration