Note 12 - Goodwill and Other Intangible Assets (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013	Dec. 31, 2013
Note 12 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill, Purchase Accounting Adjustments			$ 25,000,000	[1]
Goodwill, Gross	7,600,000,000		7,600,000,000			7,500,000,000
Amortization of Intangible Assets	8,000,000	8,000,000	16,000,000		15,000,000
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	34,000,000		34,000,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	33,000,000		33,000,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	32,000,000		32,000,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	32,000,000		32,000,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	32,000,000		32,000,000
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	32,000,000		32,000,000
Optical Communications [Member]
Note 12 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	6,500,000,000		6,500,000,000			6,500,000,000
Corning Precision Materials Co., Ltd. [Member]
Note 12 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill, Purchase Accounting Adjustments	$ 25,000,000

[1] In the second quarter of 2014, the company recorded measurement period adjustments of $25 million for the Acquisition of Samsung Corning Precision Materials.