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Transaction value for assigning the rights to certain of the Company’s intellectual property assets to a large technology company.

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Percentage of cash and cash equivalents maintained outside of the United States. At the balance sheet date, the percentage of cash and cash equivalents held by the Company's foreign subsidiaries.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Amount of cash inflow associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of interest income earned from interest bearing assets not separately disclosed.

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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-Section S99

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-Subparagraph (SX 210.5-02.1)

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Significant Accounting Policies 3 (Details) (USD $)	3 Months Ended	12 Months Ended
Significant Accounting Policies 3 (Details) (USD $)	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Accounting Policies [Abstract]
Percentage of cash and cash equivalents held by the Company's foreign subsidiaries outside the United States	61.00%	69.00%	61.00%
Interest income		$ 30,000,000us-gaap_InterestIncomeOther	$ 21,000,000us-gaap_InterestIncomeOther	$ 20,000,000us-gaap_InterestIncomeOther
Restricted cash reclassified from Other noncurrent assets, net to Cash and cash equivalents	50,000,000us-gaap_DecreaseInRestrictedCash	0us-gaap_DecreaseInRestrictedCash	50,000,000us-gaap_DecreaseInRestrictedCash	0us-gaap_DecreaseInRestrictedCash
Advertising expense		39,000,000us-gaap_AdvertisingExpense	38,000,000us-gaap_AdvertisingExpense	10,000,000us-gaap_AdvertisingExpense
Significant Accounting Policies
Foreign currency transaction (gains) losses		(14,000,000)	17,000,000	12,000,000
Restricted cash	2,000,000	1,000,000	2,000,000
Other Expenses (Gains), Net
Significant Accounting Policies
Intellectual property assets transaction value				35,000,000
Insurance Subsidiary \| Minimum Required Balance
Significant Accounting Policies
Restricted cash	250,000		250,000		50,000,000
Venezuela
Significant Accounting Policies
Foreign currency transaction (gains) losses		$ 14,000,000	$ 6,000,000