Financial Instruments (Schedule of Notional Amount and Fair Value Gain/(Loss) of Derivative Instruments) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Foreign Currency Contract
Derivative
Derivative, Notional Amount	$ 643	$ 658
Derivative, Fair Value, Net	3	1
Commodity Contract
Derivative
Derivative, Notional Amount	24	23
Derivative, Fair Value, Net	0	(1)
Fair Value Hedging | Interest Rate Swap
Derivative
Derivative, Notional Amount	1,138	773
Derivative, Fair Value, Net	(11)	49
Cash Flow Hedging | Interest Rate Swap
Derivative
Derivative, Notional Amount	250	0
Derivative, Fair Value, Net	$ 20	$ 0