Note 11 - Property, Net of Accumulated Depreciation (Details) (USD $)	3 Months Ended		9 Months Ended			9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Increase from Consolidation of Samsung Corning Precision Materials [Member]	Jan. 15, 2014 Samsung Corning Precision Materials Co., Ltd. [Member]
Note 11 - Property, Net of Accumulated Depreciation (Details) [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment							$ 3,615,000,000	[1]
Interest Costs Capitalized	9,000,000	8,000,000	31,000,000	25,000,000
Precious Metals	3,200,000,000		3,200,000,000		2,200,000,000	1,100,000,000
Depletion	$ 3,000,000	$ 4,000,000	$ 16,000,000	$ 15,000,000		$ 3,000,000

[1] In the second and third quarters of 2014, the company recorded total measurement period adjustments of $39 million for the Acquisition of Corning Precision Materials primarily related to accrual of contingent liabilities and employee benefit obligations.