Note 1 - Significant Accounting Policies (Details) - Other Income, Net (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Note 1 - Significant Accounting Policies (Details) - Other Income, Net [Line Items]
Foreign currency exchange and hedge gains (losses), net	$ 251	$ (1)	$ 282	$ 5
Net loss attributable to noncontrolling interests	1	1	2	3
Other, net	(1)	(13)	17	(14)
Total	265	8	330	37
Samsung Corning Precision Materials Co., Ltd. [Member]
Note 1 - Significant Accounting Policies (Details) - Other Income, Net [Line Items]
Royalty income from Samsung Corning Precision	$ 14	$ 21	$ 29	$ 43