Segment Information (Revenue by Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Segment Reporting Information [Line Items]
Revenue	$ 30,662	$ 25,375	$ 90,162	$ 74,983
Pharmaceutical
Segment Reporting Information [Line Items]
Revenue	27,527	22,605	80,954	66,440
Medical
Segment Reporting Information [Line Items]
Revenue	3,138	2,774	9,220	8,540
Reportable Segments
Segment Reporting Information [Line Items]
Revenue	30,665	25,379	90,174	74,980
Corporate
Segment Reporting Information [Line Items]
Revenue	$ (3)	$ (4)	$ (12)	$ 3