Goodwill and Other Intangible Assets (Schedule of Goodwill by Reportable Segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013
Goodwill [Roll Forward]
Balance at June 30, 2013	$ 4,601
Goodwill acquired, net of purchase price adjustments	12
Foreign currency translation adjustments and other	6
Balance at September 30, 2013	4,619
Pharmaceutical
Goodwill [Roll Forward]
Balance at June 30, 2013	2,094
Goodwill acquired, net of purchase price adjustments	4
Foreign currency translation adjustments and other	3
Balance at September 30, 2013	2,101
Medical
Goodwill [Roll Forward]
Balance at June 30, 2013	2,507
Goodwill acquired, net of purchase price adjustments	8
Foreign currency translation adjustments and other	3
Balance at September 30, 2013	$ 2,518