Segment Information (Revenue by Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Revenue	$ 31,445	$ 25,537	$ 59,499	$ 49,607
Pharmaceutical
Segment Reporting Information [Line Items]
Revenue	28,287	22,627	53,427	43,836
Medical
Segment Reporting Information [Line Items]
Revenue	3,162	2,914	6,081	5,766
Reportable Segments
Segment Reporting Information [Line Items]
Revenue	31,449	25,541	59,508	49,602
Corporate
Segment Reporting Information [Line Items]
Revenue	$ (4)	$ (4)	$ (9)	$ 5