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Basis of Presentation and Summary of Significant Accounting Policies (Narrative, Sales Returns and Allowances) (Details) - USD ($) $ in Millions | 12 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Accounting Policies [Abstract] |  |  |
Accrual for estimated sales returns and allowances | $ 347 | $ 386 |
Sales returns and allowances | $ 2,300 | $ 2,200 | $ 2,000

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- Definition Revenue Recognition, Reserve for Sales Returns and Allowances + References No definition available. + Details
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- Definition Total deduction from sales during the period arising from goods returned by customers (other than under warranty provisions) and price reductions (allowance, price protection agreements) given by the entity. Returns and allowances are a deduction from gross revenue in arriving at net revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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