Note 15 - Shareholders' Equity (Details) (USD $)	3 Months Ended	0 Months Ended	3 Months Ended
	Mar. 31, 2014	Jan. 15, 2014	Mar. 31, 2015	Dec. 31, 2014	Dec. 03, 2014
Note 15 - Shareholders' Equity (Details) [Line Items]
Preferred Stock, Par or Stated Value Per Share (in Dollars per share)			$ 100	$ 100
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax	$ 136,000,000
Convertible Preferred Stock, Series A [Member] | Samsung Corning Precision Materials Co., Ltd. [Member]
Note 15 - Shareholders' Equity (Details) [Line Items]
Stock Issued During Period, Shares, Acquisitions (in Shares)	1,900	2,300
Share Price (in Dollars per share)		$ 1,000,000
Stock Issued During Period, Value, Acquisitions		2,300,000,000
Convertible Preferred Stock, Series A [Member]
Note 15 - Shareholders' Equity (Details) [Line Items]
Preferred Stock, Par or Stated Value Per Share (in Dollars per share)		$ 100
Common Stock [Member]
Note 15 - Shareholders' Equity (Details) [Line Items]
Convertible Preferred Stock, Shares Issued upon Conversion (in Shares)		50,000
Dec. 3, 2014 [Member]
Note 15 - Shareholders' Equity (Details) [Line Items]
Treasury Stock, Shares, Acquired (in Shares)			21,100,000
Treasury Stock, Value, Acquired, Cost Method			502,000,000
Stock Repurchase Program, Authorized Amount					$ 1,500,000,000