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Financial Instruments (Schedule of Gain/(Loss) Recognized in Earnings for Interest Rate Contracts Designated as Fair Value Hedges) (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2014
Derivative [Line Items] |  |  |  |
Fair value adjustment related to previously terminated swaps | $ 22 |  | $ 22 |
Fair Value Hedging | Interest Rate Swaps | Interest Expense, Net |  |  |  |
Derivative [Line Items] |  |  |  |
Gain/(loss) on derivative |  | $ 23 | 14 | $ 23
Fair Value Hedging | Fixed-Rate Debt | Interest Expense, Net |  |  |  |
Derivative [Line Items] |  |  |  |
Gain/(loss) on derivative |  | $ (23) | $ (14) | $ (23)

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- Definition Adjustment to the fair value of the debt instrument resulting from the termination of interest rate swap. + References No definition available. + Details
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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