Segment Information (Revenue by Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Total revenue	$ 32,039	$ 28,055
Operating Segments
Segment Reporting Information [Line Items]
Total revenue	32,041	28,059
Operating Segments \| Pharmaceutical
Segment Reporting Information [Line Items]
Total revenue	28,762	25,140
Operating Segments \| Medical
Segment Reporting Information [Line Items]
Total revenue	3,279	2,919
Corporate
Segment Reporting Information [Line Items]
Total revenue	$ (2)	$ (4)

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=63488584&loc=d3e20235-122688

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