XML 35 R56.htm IDEA: XBRL DOCUMENT v3.3.0.814

Note 12 - Hedging Activities (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Billions	Sep. 30, 2015	Dec. 31, 2014
Gross Notional Value [Member] | Translated Earnings Contracts [Member]
Note 12 - Hedging Activities (Details) [Line Items]
Derivative, Notional Amount	$ 12.7	$ 12.1
Gross Notional Value [Member] | Collar Options [Member]
Note 12 - Hedging Activities (Details) [Line Items]
Derivative, Notional Amount	5.7	2.3
Gross Notional Value [Member] | Foreign Exchange Forward [Member]
Note 12 - Hedging Activities (Details) [Line Items]
Derivative, Notional Amount	7.0	9.8
Net Notional Value [Member] | Collar Options [Member]
Note 12 - Hedging Activities (Details) [Line Items]
Derivative, Notional Amount	$ 3.0	$ 1.2

X

- References

No definition available.

+ Details

Name:	glw_Note12HedgingActivitiesDetailsLineItems
Namespace Prefix:	glw_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

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



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Article 12



-Section 13



-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_DerivativeByNatureAxis=glw_GrossNotionalValueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=glw_TranslatedEarningsContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=glw_CollarOptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeForwardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeByNatureAxis=glw_NetNotionalValueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: