Financial Instruments (Schedule of gain/(loss) recognized in earnings for interest rate contracts designated as fair value hedges) (Details) - Interest Expense, Net - Fair Value Hedging - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Interest Rate Swaps
Derivative [Line Items]
Gain/(loss) on derivative	[1],[2]	$ 14	$ 23	$ 28
Fixed Rate Debt
Derivative [Line Items]
Gain/(loss) on derivative	[2]	$ (14)	$ (23)	$ (28)

[1] Excludes $22 million fair value adjustment to the previously terminated interest rate swaps as a result of the December 2014 debt extinguishment as disclosed in Note 7.

[2] Included in interest expense, net in the consolidated statements of earnings.