Goodwill and Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Goodwill and Intangible Assets
Goodwill, Impairment Loss	$ (829)
Amortization of Intangible Assets	121	79	68
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	180
Finite-Lived Intangible Assets, Amortization Expense, Year Two	150
Finite-Lived Intangible Assets, Amortization Expense, Year Three	136
Finite-Lived Intangible Assets, Amortization Expense, Year Four	124
Finite-Lived Intangible Assets, Amortization Expense, Year Five	90
Minimum
Goodwill and Intangible Assets
Discount Rate	9.00%
Finite-Lived Intangible Asset, Useful Life	1 year
Maximum
Goodwill and Intangible Assets
Discount Rate	12.00%
Finite-Lived Intangible Asset, Useful Life	20 years
Nuclear Pharmacy Services division
Goodwill and Intangible Assets
Goodwill, Impairment Loss	829
Goodwill, Impairment Loss, Net of Tax	$ 799
Discount Rate	10.00%