Significant Accounting Policies 3 (Details) (USD $)	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Accounting Policies [Abstract]
Percentage of cash and cash equivalents held by the Company's foreign subsidiaries outside the United States	61.00%		61.00%	62.00%
Interest income			$ 21,000,000	$ 20,000,000	$ 30,000,000
Total amount of restricted cash	2,000,000		2,000,000	52,000,000
Minimum restricted cash balance	250,000	50,000,000
Restricted cash reclassified from Other noncurrent assets, net to Cash and cash equivalents	50,000,000		50,000,000
Advertising expense			38,000,000	10,000,000	13,000,000
Significant Accounting Policies [Line Items]
Foreign currency transaction losses			(17,000,000)	(12,000,000)	(4,000,000)
Other (Gains) Expenses, Net [Member]
Significant Accounting Policies [Line Items]
Intellectual property assets transaction value				35,000,000
Venezuela
Significant Accounting Policies [Line Items]
Foreign currency transaction losses			$ (6,000,000)