Financial Instruments (Gain/(Loss) Recognized in Earnings for Interest Rate Swaps Designated as Fair Value Hedges ) (Details) (Interest expense, net, USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2010
Interest Rate Contract
Gain/(loss) recognized in earnings for interest rate swaps designated as fair value hedges	$ 38	[1]	$ 36	[1]	$ 47	[1]
Fixed Rate Debt
Gain/(loss) recognized in earnings for interest rate swaps designated as fair value hedges	$ (38)	[1]	$ (36)	[1]	$ (47)	[1]

[1] Included in Interest expense, net on the consolidated statements of earnings.