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Acquisitions (Narrative) (Details) $ in Millions |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Oct. 02, 2015 USD ($) country | Aug. 26, 2015 USD ($) | Jul. 02, 2015 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($)
Business Acquisition |  |  |  |  |  |  |
Cash paid for acquisitions, net of cash acquired |  |  |  |  | $ 132 | $ 3,614 | $ 503
Goodwill |  |  |  | $ 7,221 | 7,221 | 7,167 | $ 5,070
Goodwill, Acquired During Period |  |  |  |  | 64 | 2,120 |
Series of individually immaterial 2017 Fiscal Year Acquisitions [Member] |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |
Cash paid for acquisitions, net of cash acquired |  |  |  | 80 | 132 |  |
Contingent consideration |  |  |  | $ 19 | 19 |  |
Cordis |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |
Cash paid for acquisitions, net of cash acquired | $ 1,900 |  |  |  |  |  |
Number of countries in which the entity operates | country | 50 |  |  |  |  |  |
Number of principal countries | country | 20 |  |  |  |  |  |
Transaction and integration costs |  |  |  |  | $ 61 | 78 |
Goodwill | $ 914 |  |  |  |  |  |
naviHealth |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |
Cash paid for acquisitions, net of cash acquired |  | $ 238 |  |  |  |  |
Ownership interest (as a percent) |  | 71.00% |  | 82.00% | 82.00% |  |
Cash acquired from acquisition |  | $ 53 |  |  |  |  |
Waiting period to acquire remaining noncontrolling interest |  |  |  |  | 2 years |  |
Goodwill |  | $ 321 |  |  |  |  |
Other naviHealth acquisitions |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |
Cash paid for acquisitions, net of cash acquired |  |  |  |  |  | $ 242 |
Ownership interest (as a percent) |  |  |  |  |  | 82.00% |
Harvard Drug |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |
Cash paid for acquisitions, net of cash acquired |  |  | $ 1,100 |  |  |  |
Goodwill |  |  | $ 634 |  |  |  |
Maximum | Series of individually immaterial 2017 Fiscal Year Acquisitions [Member] |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |
Contingent consideration |  |  |  | $ 230 | $ 230 |  |

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- Definition Costs incurred during the initial evaluation of a potential acquisition that primarily relate to costs to analyze, negotiate, and consummate the transaction, as well as due diligence activities. Also includes costs related to activities required to combine the operations of an acquired enterprise into our operations and to stand-up the systems and processes needed to support a global footprint. + References No definition available. + Details
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