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Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Jun. 30, 2013
Income Taxes |  |  |  |  |
Effective Income Tax Rate, Continuing Operations | 44.10% | 37.20% | 34.20% | 37.60% |
Net Unfavorable/(Favorable) Discrete Items, Amount | $ 38 | $ 2 | $ (23) | $ 6 |
Net Unfavorable/(Favorable) Discrete Items, Percentage | 7.70% | 0.30% | (2.40%) | 0.60% |
(Favorable) impact of settlement of federal and state tax controversies |  |  | (67) |  |
Unrecognized Tax Benefits, Period Increase (Decrease) | 56 |  | 56 |  |
Unrecognized tax benefits | 520 |  | 520 |  | 650
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 339 |  | 339 |  | 371
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 140 |  | 140 |  | 198
Significant Increase/(Decrease) in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound | 0 |  | 0 |  |
Significant Increase/(Decrease) in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound | 75 |  | 75 |  |
Amount CareFusion is liable under tax matters agreement in the event amount must be paid to the taxing authority | $ 190 |  | $ 190 |  | $ 186
Minimum |  |  |  |  |
Income Taxes |  |  |  |  |
Tax years open for examination |  |  | 2003 |  |
Tax years under examination |  |  | 2006 |  |
Tax years closed that were under examination |  |  | 2003 |  |
Maximum |  |  |  |  |
Income Taxes |  |  |  |  |
Tax years open for examination |  |  | 2014 |  |
Tax years under examination |  |  | 2010 |  |
Tax years closed that were under examination |  |  | 2005 |  |

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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 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: 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=6907707&loc=d3e32698-109319 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
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