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Financial Instruments (Schedule of Fair Value Gain Loss Derivative Instrument) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016
Derivative [Line Items] |  |
Document Period End Date | Jun. 30, 2017 |
Fair Value Hedging | Interest Rate Swaps |  |
Derivative [Line Items] |  |
Notional Amount | $ 1,813 | $ 1,963
Fair Value Gain/(Loss) | (19) | 34
Cash Flow Hedging | Interest Rate Swaps |  |
Derivative [Line Items] |  |
Notional Amount | 0 | 300
Fair Value Gain/(Loss) | 0 | (10)
Cash Flow Hedging | Foreign Currency Contracts |  |
Derivative [Line Items] |  |
Notional Amount | 720 | 675
Fair Value Gain/(Loss) | 1 | (2)
Cash Flow Hedging | Commodity Contracts |  |
Derivative [Line Items] |  |
Notional Amount | 17 | 22
Fair Value Gain/(Loss) | $ (1) | $ (3)

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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. + References No definition available. + Details
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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13495-108611 + 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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