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Valuation And Qualifying Accounts And Reserves (Schedule Of Valuation And Qualifying Accounts) (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended | 12 Months Ended
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Dec. 31, 2012 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010
Valuation and Qualifying Accounts [Abstract] |  |  |  |  |  |  |  |
Balance at Beginning of Year | $ 92 |  | $ 100 |  | $ 97 |  | $ 103 |
Additions | 8 |  | 13 |  | 9 |  | 2 |
Deductions | (8) | [1] | (13) | [1] | (12) | [1] |  |
Other | (5) | [2] | (8) | [2] | 6 | [2] | (8) | [2]
Balance at End of Year | $ 87 |  | $ 92 |  | $ 100 |  | $ 97 |
[1] | Uncollectible accounts written off and recoveries
[2] | Impact of reclassifications, business combinations, and foreign currency exchange adjustments Sale of Accounts Receivable Extra value$4 million

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- Definition Valuation Allowances and Reserves, Additions + References No definition available. + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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