XML 129 R109.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Note 14 - Commitments, Contingencies, and Guarantees (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Note 14 - Commitments, Contingencies, and Guarantees (Details) [Line Items] |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | $ 184 |  |
Liability for Uncertain Tax Positions, Current | 58 |  |
Operating Leases, Rent Expense | $ 94 | $ 92 | $ 85
Number of Hazardous Waste Sites | 17 |  |
Environmental Cleanup And Related Litigation [Member] |  |  |
Note 14 - Commitments, Contingencies, and Guarantees (Details) [Line Items] |  |  |
Accrual for Environmental Loss Contingencies | $ 37 | $ 43 |
Standby Letters of Credit [Member] |  |  |
Note 14 - Commitments, Contingencies, and Guarantees (Details) [Line Items] |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | 47 |  |
Standby Letters of Credit [Member] | Other Current Liabilities [Member] |  |  |
Note 14 - Commitments, Contingencies, and Guarantees (Details) [Line Items] |  |  |
Guarantor Obligations, Maximum Exposure, Undiscounted | $ 38 |  |

X
- References No definition available. + Details
Name: | glw_Note14CommitmentsContingenciesandGuaranteesDetailsLineItems
Namespace Prefix: | glw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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

X
- 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 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 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 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

X
- 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

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The current portion of the amount recognized for uncertain tax positions as of the balance sheet date. + 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 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LiabilityForUncertainTaxPositionsCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_EnvironmentalRemediationContingencyAxis=glw_EnvironmentalCleanupAndRelatedLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |