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Acquisitions (Narrative) (Details) $ in Millions				12 Months Ended
	Oct. 02, 2015 USD ($) country	Aug. 26, 2015 USD ($)	Jul. 02, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Business Acquisition
Cash paid for acquisitions, net of cash acquired				$ 3,614	$ 503	$ 519
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				$ 78	$ 44
naviHealth
Business Acquisition
Cash paid for acquisitions, net of cash acquired		$ 238
Ownership interest (as a percent)		71.00%		82.00%
Cash acquired from acquisition		$ 53
Other naviHealth acquisitions
Business Acquisition
Cash paid for acquisitions, net of cash acquired				$ 242
Harvard Drug
Business Acquisition
Cash paid for acquisitions, net of cash acquired			$ 1,100

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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.

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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

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-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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