Income Taxes - Deferred Tax Assets for Loss and Tax Credit Carryforwards (Details) $ in Millions	Dec. 31, 2024 USD ($)
Tax Credit Carryforward [Line Items]
Net operating losses	$ 213
Tax credits	5
Balance as of December 31, 2024	218
2025-2029
Tax Credit Carryforward [Line Items]
Net operating losses	50
Tax credits	1
Balance as of December 31, 2024	51
2030-2034
Tax Credit Carryforward [Line Items]
Net operating losses	16
Tax credits	4
Balance as of December 31, 2024	20
2035-2044
Tax Credit Carryforward [Line Items]
Net operating losses	25
Tax credits
Balance as of December 31, 2024	25
Indefinite
Tax Credit Carryforward [Line Items]
Net operating losses	122
Tax credits
Balance as of December 31, 2024	$ 122

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

+ Details

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

- Definition

Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax carryforwards, classified as other.

+ References

+ Details

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

- Definition

Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

+ References

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-3

+ Details

Name:	us-gaap_TaxCreditCarryforwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_TaxPeriodAxis=glw_TaxYears2025Through2029Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TaxPeriodAxis=glw_TaxYears2030Through2034Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TaxPeriodAxis=glw_TaxYears2035Through2044Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TaxPeriodAxis=glw_IndefiniteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: