Investments (Tables)

3 Months Ended

Mar. 31, 2012

Schedule of Equity Method Investments [Line Items]

Equity Method Investments

	Ownership interest (1)	March 31, 2012		December 31, 2011
Affiliated companies accounted for by the equity method
Samsung Corning Precision Materials Co., Ltd.	50%	$	3,089	$	3,315
Dow Corning Corporation	50%		1,202		1,160
All other	20-50%		260		248
			4,551		4,723
Other investments			3		3
Total		$	4,554	$	4,726

(1) Amounts reflect Corning's direct ownership interests in the respective affiliated companies.  Corning does not control any of these entities.

Related Party Information For Investments In Affiliates

	Three months ended March 31,
	2012		2011
Related Party Transactions:
Corning sales to affiliated companies	$	7	$	6
Corning purchases from affiliated companies	$	18	$	37
Corning transfers of assets, at cost, to affiliated companies	$	15	$	34
Dividends received from affiliated companies	$	518	$	320
Royalty income from affiliated companies	$	22	$	62
Corning services to affiliates	$	10	$	8

Samsung Corning Precision Materials Co., Ltd. [Member]

Schedule of Equity Method Investments [Line Items]

Affiliate Results Of Operations

	Three months ended March 31,
	2012		2011
Statement of Operations:
Net sales	$	784	$	1,141
Gross profit	$	524	$	855
Net income attributable to Samsung Corning Precision	$	371	$	611
Corning's equity in earnings of Samsung Corning Precision	$	183	$	299
Related Party Transactions:
Corning purchases from Samsung Corning Precision	$	10	$	30
Dividends received from Samsung Corning Precision	$	518	$	205
Royalty income from Samsung Corning Precision	$	22	$	61
Corning transfers of machinery and equipment to Samsung Corning Precision at cost (1)	$	15	$	34

(1) Corning purchases machinery and equipment on behalf of Samsung Corning Precision to support its capital expansion initiatives.  The machinery and equipment are transferred to Samsung Corning Precision at our cost basis.

Dow Corning Corporation [Member]

Schedule of Equity Method Investments [Line Items]

Affiliate Results Of Operations

	Three months ended March 31,
	2012		2011
Statement of Operations:
Net sales	$	1,522	$	1,579
Gross profit	$	337	$	539
Net income attributable to Dow Corning	$	71	$	179
Corning's equity in earnings of Dow Corning	$	35	$	91
Related Party Transactions:
Corning purchases from Dow Corning	$	6	$	6
Dividends received from Dow Corning			$	115