Segment Information (Revenue for Each Reportable Segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 30, 2012	Dec. 30, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 30, 2010	Sep. 30, 2010	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2010
Revenue	$ 26,764	$ 26,918	$ 27,078	$ 26,792	$ 26,764	$ 26,071	$ 25,372	$ 24,438	$ 107,552		$ 102,644		$ 98,503
Reportable Segment
Revenue									107,567		102,666		98,540
Pharmaceutical
Revenue									97,925		93,744		89,790
Medical
Revenue									9,642		8,922		8,750
Corporate
Revenue									$ (15)	[1]	$ (22)	[1]	$ (37)	[1]

[1] (1)Corporate revenue consists of the elimination of inter-segment revenue.