Shareholders' Equity (Schedule of the changes in the balance in AOCI by component and in total) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Rollforward]
Balance at June 30, 2013			$ 68
Other comprehensive income, before reclassifications			32
Amounts reclassified to earnings			(1)
Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent	4	11	28	36
Other Comprehensive Income, Derivatives Qualifying as Hedges, Net of Tax	3	2	3	1
Total other comprehensive income, net of tax	7	13	31	37
Balance at December 31, 2013	99		99
Foreign Currency Translation Adjustments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Rollforward]
Balance at June 30, 2013			54
Other comprehensive income, before reclassifications			28
Amounts reclassified to earnings			0
Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent			28
Balance at December 31, 2013	82		82
Unrealized Gain/(Loss) on Derivatives, net of tax
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Rollforward]
Balance at June 30, 2013			14
Other comprehensive income, before reclassifications			4
Amounts reclassified to earnings			(1)
Other Comprehensive Income, Derivatives Qualifying as Hedges, Net of Tax			3
Balance at December 31, 2013	$ 17		$ 17