Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Other Income (Expense), Net

	Years ended December 31,
	2012		2011		2010
Royalty income from Samsung Corning Precision Materials	$	83	$	219	$	265
Foreign currency transaction and hedge gains (losses), net		8		(43)		(22)
Loss on retirement of debt		(26)				(30)
Net loss attributable to noncontrolling interests		5		3		2
Other, net		13		(61)		(31)
Total	$	83	$	118	$	184

Supplemental Disclosure Of Cash Flow Information

	Years ended December 31,
	2012		2011		2010
Non-cash transactions:
Issued credit memoranda for settlement of customer receivables (1)	$		$	28	$	83
Accruals for capital expenditures	$	240	$	472	$	382
Cash paid for interest and income taxes:
Interest (2)	$	178	$	140	$	125
Income taxes, net of refunds received	$	355	$	215	$	170

(1) Amounts represent credits applied to customer receivable balances for customers that made advance cash deposits under long-term purchase and supply agreements.

(2) Included in this amount are approximately $74 million, $46 million and $20 million of interest costs that were capitalized as part of property, net in 2012, 2011 and 2010, respectively.

Schedule Of Range Of Useful Life Of Equipment

Asset type	Range of useful life
Computer hardware and software	3to 7 years
Manufacturing equipment	2to 15 years
Furniture and fixtures	5to 10 years
Transportation equipment	3to 20 years