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Financial Instruments (Schedule of Gain/(Loss) Recognized in Earnings for Derivatives Not Designated as Hedging Instrument) (Details) - USD ($) $ in Millions | 12 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Not Designated as Hedging Instrument | Foreign Currency Contracts | Other Income, Net |  |  |
Derivative [Line Items] |  |  |
Gain/(loss) recognized in earnings for economic (non-designated) derivative instruments | $ (5) | $ (17) | $ (45)

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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References 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=84234895&loc=SL5624171-113959 + Details
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- Details
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