Acquisitions (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended				0 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012	Feb. 22, 2013	May 09, 2014 AccessClosure	Jun. 30, 2013 AccessClosure	Mar. 18, 2013 AssuraMed	Jun. 30, 2013 AssuraMed
Business Acquisition
Business Acquisition, Effective Date of Acquisition					May 09, 2014		Mar. 18, 2013
Payments to Acquire Businesses, Net of Cash Acquired	$ 519	$ 2,239	$ 174		$ 320		$ 2,070
Debt Instrument, Face Amount				1,300
Business Combination, Acquisition Related Costs								20
Goodwill	4,878	4,601	3,978			159		1,404
Total identifiable intangible assets						$ 133		$ 627
Weighted-average useful life						9 years		9 years
Fair Value Inputs, Discount Rate					10.00%		9.50%