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Income Taxes (Narrative) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2016 | Mar. 31, 2015 | Jun. 30, 2015
Income Taxes |  |  |  |  |
Effective Income Tax Rate Reconciliation, Percent | 36.90% | 34.60% | 35.50% | 36.30% |
Unrecognized tax benefits |  |  |  |  | $ 542,000,000
Unrecognized tax benefits that would impact effective tax rate | $ 356,000,000 |  | $ 356,000,000 |  | 357,000,000
Unrecognized tax benefits, interest and penalties accrued | 158,000,000 |  | 158,000,000 |  | 169,000,000
Amount CareFusion is liable under tax matters agreement in the event amount must be paid to the taxing authority | 225,000,000 |  | 225,000,000 |  | $ 219,000,000
Minimum |  |  |  |  |
Income Taxes |  |  |  |  |
Estimated range of decrease in unrecognized tax benefits within the next 12 months | 0 |  | 0 |  |
Maximum |  |  |  |  |
Income Taxes |  |  |  |  |
Estimated range of decrease in unrecognized tax benefits within the next 12 months | $ 195,000,000 |  | $ 195,000,000 |  |
Federal | Minimum |  |  |  |  |
Income Taxes |  |  |  |  |
Tax years open for examination |  |  | 2006 |  |
Federal | Maximum |  |  |  |  |
Income Taxes |  |  |  |  |
Tax years open for examination |  |  | 2016 |  |
State and Local | Minimum |  |  |  |  |
Income Taxes |  |  |  |  |
Tax years open for examination |  |  | 2006 |  |
State and Local | Maximum |  |  |  |  |
Income Taxes |  |  |  |  |
Tax years open for examination |  |  | 2016 |  |
Foreign | Minimum |  |  |  |  |
Income Taxes |  |  |  |  |
Tax years open for examination |  |  | 2006 |  |
Foreign | Maximum |  |  |  |  |
Income Taxes |  |  |  |  |
Tax years open for examination |  |  | 2016 |  |

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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(3) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319 + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319 + Details
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