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Available-for-Sale Securities (Tables) | 9 Months Ended
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Mar. 31, 2016
Investments, Debt and Equity Securities [Abstract] |
Available-for-sale Securities | We held the following investments in marketable securities at fair value at:
(in millions) | March 31, 2016 |  | June 30, 2015
Current available-for-sale securities: |  |  |
Commercial paper | $ | — |  |  | $ | 4 |
Treasury bills | — |  |  | 12 |
International bonds | 1 |  |  | 2 |
Corporate bonds | 51 |  |  | 34 |
U.S. agency bonds | 2 |  |  | 5 |
Asset-backed securities | 36 |  |  | 8 |
International equity securities | 2 |  |  | — |
U.S. agency mortgage-backed securities | 13 |  |  | 26 |
Total current available-for-sale securities | 105 |  |  | 91 |
Long-term available-for-sale securities: |  |  |
Corporate bonds | 40 |  |  | 33 |
U.S. agency bonds | 30 |  |  | 18 |
Asset-backed securities | 13 |  |  | 41 |
U.S. agency mortgage-backed securities | 17 |  |  | 10 |
Total long-term available-for-sale securities | 100 |  |  | 102 |
Total available-for-sale securities | $ | 205 |  |  | $ | 193 |

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27198-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 + Details
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