Segment Information (Revenue by Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Revenue	$ 28,055	$ 24,070
Pharmaceutical
Segment Reporting Information [Line Items]
Revenue	25,140	21,209
Medical
Segment Reporting Information [Line Items]
Revenue	2,919	2,852
Reportable Segments
Segment Reporting Information [Line Items]
Revenue	28,059	24,061
Corporate
Segment Reporting Information [Line Items]
Revenue	$ (4)	$ 9

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration