Financial Instruments (Schedule of Gain/(Loss) included in AOCI for Derivative Instruments Designated as Cash Flow Hedges) (Details) (Cash Flow Hedging, USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Interest Rate Swap
Derivative
Derivative instruments gain/(loss) recognized in AOCI, net	$ 20	$ 0
Foreign Currency Contract
Derivative
Derivative instruments gain/(loss) recognized in AOCI, net	3	0
Commodity Contract
Derivative
Derivative instruments gain/(loss) recognized in AOCI, net	$ 0	$ (1)