Financial Instruments (Gain/(Loss) Recognized in OCI for Derivative Instruments Designated as Cash Flow Hedges) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Foreign currency contracts
Gain/(loss) recognized in OCI for derivative instruments designated as cash flow hedges	$ 0	$ (2)
Commodity contracts
Gain/(loss) recognized in OCI for derivative instruments designated as cash flow hedges	$ (1)	$ 2