Shareholders' Equity (Schedule of the changes in the balance in AOCI by component and in total) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Rollforward]
Accumulated other comprehensive income at Beginning of Period	$ 68	$ 37
Other comprehensive income/(loss), before reclassifications	(1)	26
Amounts reclassified to earnings	3	5
Other comprehensive income/(loss), Foreign currency transaction and translation adjustment, Net of tax	9	18	(34)
Other comprehensive income/(loss), Derivatives qualifying as hedges, Net of tax	(7)	13	(6)
Total other comprehensive income/(loss), net of tax	2	31	(40)
Accumulated other comprehensive income at End of Period	70	68	37
Other Comprehensive Income/(loss), Tax	5	9
Foreign Currency Translation Adjustments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Rollforward]
Accumulated other comprehensive income at Beginning of Period	54	36
Other comprehensive income/(loss), before reclassifications	9	18
Amounts reclassified to earnings	0	0
Other comprehensive income/(loss), Foreign currency transaction and translation adjustment, Net of tax	9	18
Accumulated other comprehensive income at End of Period	63	54
Unrealized Gain/(Loss) on Derivatives, net of tax
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Rollforward]
Accumulated other comprehensive income at Beginning of Period	14	1
Other comprehensive income/(loss), before reclassifications	(10)	8
Amounts reclassified to earnings	3	5
Other comprehensive income/(loss), Derivatives qualifying as hedges, Net of tax	(7)	13
Accumulated other comprehensive income at End of Period	$ 7	$ 14