Segment Information (Segment Profit by Reportable Segment) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Operating Earnings	$ 1,792	$ 1,514	$ 1,307
Total Segment Profit
Operating Earnings	1,890	1,702	1,440
Pharmaceutical
Operating Earnings	1,558	1,329	1,011
Medical
Operating Earnings	332	373	429
Corporate
Operating Earnings	$ (98)	$ (188)	$ (133)