Goodwill and Other Intangible Assets (Schedule of Goodwill by Reportable Segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2012
Goodwill [Roll Forward]
Balance at June 30, 2012	$ 3,978
Goodwill acquired, net of purchase price adjustments	28
Foreign currency translation adjustments and other	6
Balance at September 30, 2012	4,012
Pharmaceutical
Goodwill [Roll Forward]
Balance at June 30, 2012	2,876
Goodwill acquired, net of purchase price adjustments	21
Foreign currency translation adjustments and other	(1)
Balance at September 30, 2012	2,896
Medical
Goodwill [Roll Forward]
Balance at June 30, 2012	1,102
Goodwill acquired, net of purchase price adjustments	7
Foreign currency translation adjustments and other	7
Balance at September 30, 2012	$ 1,116