Note 1 - Summary of Significant Accounting Policies (Details) - Other Income, Net (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 1 - Summary of Significant Accounting Policies (Details) - Other Income, Net [Line Items]
Foreign currency transaction and hedge gains, net		$ 1,352	$ 500	$ 8
Loss on retirement of debt	(26)			(26)
Foreign government subsidy		3	55
Other, net		39us-gaap_OtherNonoperatingIncome	56us-gaap_OtherNonoperatingIncome	18us-gaap_OtherNonoperatingIncome
Total		1,394us-gaap_OtherNonoperatingIncomeExpense	667us-gaap_OtherNonoperatingIncomeExpense	83us-gaap_OtherNonoperatingIncomeExpense
Samsung Corning Precision Materials Co., Ltd. [Member]
Note 1 - Summary of Significant Accounting Policies (Details) - Other Income, Net [Line Items]
Royalty income from Samsung Corning Precision Materials			$ 56	$ 83

Foreign currency exchange and hedge gains/(losses), net.

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Subsidy Received From Foreign Government

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Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights.

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