Shareholders' Equity (Schedule of the changes in the balance in accumulated other comprehensive income by component and in total) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Rollforward]
Accumulated other comprehensive income/(loss) at Beginning of Period			$ 70
Other comprehensive loss, net of tax before reclassifications			(121)
Amounts reclassified to earnings			(2)
Other comprehensive loss, Foreign currency transaction and translation adjustment, Net of tax	(53)	(24)	(117)	4
Other comprehensive loss, Derivatives qualifying as hedges, Net of tax	2	(5)	(6)	(2)
Total other comprehensive loss, net of tax	(51)	(29)	(123)	2
Accumulated other comprehensive income/(loss) at End of Period	(53)		(53)
Other Comprehensive Income (Loss), Tax			4
Foreign Currency Translation Adjustments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Rollforward]
Accumulated other comprehensive income/(loss) at Beginning of Period			63
Other comprehensive loss, net of tax before reclassifications			(117)
Amounts reclassified to earnings			0
Other comprehensive loss, Foreign currency transaction and translation adjustment, Net of tax			(117)
Accumulated other comprehensive income/(loss) at End of Period	(54)		(54)
Unrealized Gain/(Loss) on Derivatives, net of tax
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Rollforward]
Accumulated other comprehensive income/(loss) at Beginning of Period			7
Other comprehensive loss, net of tax before reclassifications			(4)
Amounts reclassified to earnings			(2)
Other comprehensive loss, Derivatives qualifying as hedges, Net of tax			(6)
Accumulated other comprehensive income/(loss) at End of Period	$ 1		$ 1