Note 10 - Goodwill and Other Intangible Assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Note 10 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill, Purchase Accounting Adjustments	$ 60,000,000	[1]	$ (4,000,000)	[2],[3]
Goodwill, Gross	7,600,000,000		7,500,000,000
Finite-Lived Intangible Assets, Period Increase (Decrease)	(43,000,000)
Amortization of Intangible Assets	33,000,000		31,000,000		19,000,000
Finite-Lived Intangible Assets, Translation Adjustments	17,000,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	33,000,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	32,000,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	32,000,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	32,000,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	32,000,000
Optical Communications [Member]
Note 10 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	6,500,000,000		6,500,000,000
Samsung Corning Precision Materials Co., Ltd. [Member]
Note 10 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill, Purchase Accounting Adjustments	$ 60,000,000

[1] In the year ended December 31, 2014, the company recorded measurement period adjustments of $60 million for the Acquisition of Samsung Corning Precision Materials primarily related to the accrual of contingent liabilities and employee benefit obligations.

[2] The Company recorded the acquisition of the Discovery Labware business of Becton Dickinson and Company in the fourth quarter of 2012. In the second quarter of 2013, Corning recorded measurement period adjustments. Refer to Note 8 (Acquisition) to the Consolidated Financial Statements for additional information.

[3] The company recorded a small acquisition and consolidated an equity company due to a change in control in the second quarter of 2013.