Segment Information (Revenue by Reportable Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Total revenue	$ 31,821	$ 30,662	$ 97,010	$ 90,162
Operating Segments
Segment Reporting Information [Line Items]
Total revenue	31,824	30,665	97,018	90,174
Operating Segments | Pharmaceutical
Segment Reporting Information [Line Items]
Total revenue	28,406	27,527	86,911	80,954
Operating Segments | Medical
Segment Reporting Information [Line Items]
Total revenue	3,418	3,138	10,107	9,220
Corporate
Segment Reporting Information [Line Items]
Total revenue	$ (3)	$ (3)	$ (8)	$ (12)