Segment Information (Segment Profit by Reportable Segment) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting Information
Operating earnings	$ 996	$ 1,792	$ 1,514
Pharmaceutical
Segment Reporting Information
Operating earnings	1,734	1,558	1,329
Medical
Segment Reporting Information
Operating earnings	372	332	373
Reportable Segment
Segment Reporting Information
Operating earnings	2,106	1,890	1,702
Corporate
Segment Reporting Information
Operating earnings	$ (1,110)	$ (98)	$ (188)