Loss Contingency, Required Payments Per Reorganization Plan

No definition available.

Name:	glw_LossContingencyRequiredPaymentsPerReorganizationPlan
Namespace Prefix:	glw_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	glw_Note3CommitmentsContingenciesandGuaranteesDetailsLineItems
Namespace Prefix:	glw_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of claims in other cases currently involved alleging injuries from asbestos and similar amounts of monetary damages per case.

+ References

No definition available.

+ Details

Name:	glw_NumberOfClaimsInOtherCasesCurrentlyInvolvedAllegingInjuriesFromAsbestosAndSimilarAmountsOfMonetaryDamagesPerCase
Namespace Prefix:	glw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of active hazardous waste sites for which the entity is responsible.

+ References

No definition available.

+ Details

Name:	glw_NumberOfHazardousWasteSites
Namespace Prefix:	glw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of other cases currently involved alleging injuries from asbestos and similar amounts of monetary damages per case

+ References

No definition available.

+ Details

Name:	glw_NumberOfOtherCasesCurrentlyInvolvedAllegingInjuriesFromAsbestosAndSimilarAmountsOfMonetaryDamagesPerCase
Namespace Prefix:	glw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Change in the amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

No definition available.

+ Details

Name:	glw_RecordedUnconditionalPurchaseObligationIncreaseDecrease
Namespace Prefix:	glw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 25

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

+ Details

Name:	us-gaap_AccrualForEnvironmentalLossContingencies
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570

+ Details

Name:	us-gaap_EquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value portion of investments accounted under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 25

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=35740979&loc=d3e32014-111567

+ Details

Name:	us-gaap_EquityMethodInvestmentsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

Name:	us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

Name:	us-gaap_InsuranceRecoveries
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.25)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LitigationReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase (decrease) in loss contingency liability.

+ References

+ Details

Name:	us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

+ Details

Name:	us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of pending claims pertaining to a loss contingency.

+ References

+ Details

Name:	us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

+ Details

Name:	us-gaap_PaymentsForLegalSettlements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 440

-SubTopic 10

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25383-109308

+ Details

Name:	us-gaap_RecordedUnconditionalPurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Note 3 - Commitments, Contingencies, and Guarantees (Details) (USD $)	6 Months Ended				6 Months Ended											121 Months Ended										6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Environmental Cleanup And Related Litigation [Member]	Dec. 31, 2013 Environmental Cleanup And Related Litigation [Member]	Jun. 30, 2014 Non-PCC [Member] Asbestos Litigation [Member]	Jun. 30, 2014 Contingent Guarantees [Member]	Dec. 31, 2013 Contingent Guarantees [Member]	Nov. 12, 2013 First Payment [Member] Pittsburgh Corning Corporation (PCC) [Member] Amended Pittsburgh Corning Corporation Plan [Member] Asbestos Litigation [Member]	Nov. 12, 2013 First Subsequent Anniversary [Member] Pittsburgh Corning Corporation (PCC) [Member] Amended Pittsburgh Corning Corporation Plan [Member] Asbestos Litigation [Member]	Nov. 12, 2013 Second Subsequent Anniversary [Member] Pittsburgh Corning Corporation (PCC) [Member] Amended Pittsburgh Corning Corporation Plan [Member] Asbestos Litigation [Member]	Nov. 12, 2013 Third Subsequent Anniversary [Member] Pittsburgh Corning Corporation (PCC) [Member] Amended Pittsburgh Corning Corporation Plan [Member] Asbestos Litigation [Member]	Nov. 12, 2013 Fourth Subsequent Anniversary [Member] Pittsburgh Corning Corporation (PCC) [Member] Amended Pittsburgh Corning Corporation Plan [Member] Asbestos Litigation [Member]	Nov. 12, 2013 Fifth Subsequent Anniversary [Member] Pittsburgh Corning Corporation (PCC) [Member] Amended Pittsburgh Corning Corporation Plan [Member] Asbestos Litigation [Member]	Jun. 30, 2014 Dow Corning Corporation [Member] Corning Inc. [Member]	Jun. 30, 2014 Dow Corning Corporation [Member] Dow Chemical Company [Member]	Jun. 30, 2014 Dow Corning Corporation [Member]	Nov. 12, 2013 Pittsburgh Corning Corporation (PCC) [Member] Amended Pittsburgh Corning Corporation Plan [Member] Asbestos Litigation [Member]	Apr. 16, 2000 Pittsburgh Corning Corporation (PCC) [Member] Asbestos Litigation [Member] Corning Inc. [Member]	Jun. 30, 2014 Pittsburgh Corning Corporation (PCC) [Member] Corning Inc. [Member]	Jun. 30, 2014 Pittsburgh Corning Corporation (PCC) [Member] PPG Industries, Inc. [Member]	Apr. 16, 2000 Pittsburgh Corning Corporation (PCC) [Member]	Jun. 30, 2014 Pittsburgh Corning Europe (PCE) [Member]	Dec. 31, 2013 Pittsburgh Corning Europe (PCE) [Member]	Jun. 30, 2014 Bankruptcy Proceedings [Member] Minimum [Member] Dow Corning Corporation [Member]	Jun. 30, 2014 Bankruptcy Proceedings [Member] Maximum [Member] Dow Corning Corporation [Member]	Jun. 30, 2014 Asbestos Litigation [Member] Corning Inc. [Member]	Jun. 30, 2014 Asbestos Litigation [Member]	Dec. 31, 2013 Asbestos Litigation [Member]
Note 3 - Commitments, Contingencies, and Guarantees (Details) [Line Items]
Equity Method Investment, Ownership Percentage														50.00%	50.00%				50.00%	50.00%
Payments for Legal Settlements																$ 1,800,000,000
Estimated Litigation Liability																1,600,000,000
Loss Contingency, Estimate of Possible Loss																								97,000,000	317,000,000		695,000,000	690,000,000
Loss Contingency, Pending Claims, Number																		11,800
Loss Contingency, Required Payments Per Reorganization Plan								70,000,000	35,000,000	50,000,000	35,000,000	50,000,000	50,000,000				290,000,000
Number Of Other Cases Currently Involved Alleging Injuries From Asbestos And Similar Amounts Of Monetary Damages Per Case																										9,700
Number Of Claims In Other Cases Currently Involved Alleging Injuries From Asbestos And Similar Amounts Of Monetary Damages Per Case																										37,400
Insurance Recoveries																										19,000,000
Loss Contingency Accrual, Period Increase (Decrease)					150,000,000
Equity Method Investments, Fair Value Disclosure																						255,000,000
Equity Method Investments																					0	171,000,000	167,000,000
Guarantor Obligations, Maximum Exposure, Undiscounted						150,000,000	152,000,000
Recorded Unconditional Purchase Obligation	296,000,000	126,000,000
Recorded Unconditional Purchase Obligation, Increase (Decrease)	180,000,000
Number of Hazardous Waste Sites	16
Accrual for Environmental Loss Contingencies			$ 30,000,000	$ 15,000,000