Note 12 - Goodwill and Other Intangible Assets (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013		Jun. 30, 2012	Dec. 31, 2012
Note 12 - Goodwill and Other Intangible Assets (Details) [Line Items]
Goodwill, Purchase Accounting Adjustments			$ (4,000,000)	[1]
Goodwill, Gross	7,500,000,000		7,500,000,000			7,400,000,000
Finite-Lived Intangible Assets, Period Increase (Decrease)			(36,000,000)
Amortization of Intangible Assets	8,000,000	4,000,000	15,000,000		9,000,000
Finite-Lived Intangible Assets, Amortization and Foreign Currency Translation Adjustments			5,000,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	32,000,000		32,000,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	32,000,000		32,000,000
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
Telecommunications [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

[1] 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 of $4 million.