Description of the Plan - Narrative (Details) - EBP INVUNION	12 Months Ended
Dec. 31, 2025 USD ($) yr loan
EBP, Description of Plan [Line Items]
Minimum age to participate in plan	18
Requisite service period	1 year
Company contribution, vesting period	3 years
Participant compensation matched percent	5.00%
Employer contribution, supplemental contribution, vesting period	9 years
Supplemental contribution percent	1.175%
Percent of pretax, maximum annual compensation to total compensation	75.00%
Provision period before deferrals begin	90 days
Automatic deferral rate, annual increase	1.00%
Employee age for distribution	55
Years of service	5 years
Number of loans \| loan	1
General loan, borrowing term	4 years 6 months
Primary residence, borrowing term	10 years
Maximum borrowing, amount	50.00%
Maximum borrowing, to total account \| $	$ 50,000
Minimum
EBP, Description of Plan [Line Items]
Automatic deferral rate	6.00%
Maximum
EBP, Description of Plan [Line Items]
Automatic deferral rate	10.00%

EBP, Employee, Years Of Service

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

EBP, Employer Contribution, Supplemental Contribution, Percentage

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Employer Contribution, Supplemental Contribution, Vesting Period

+ References

No definition available.

+ Details

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Namespace Prefix:	glw_
Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

EBP, Employer Contribution, Vesting Period

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Minimum Age To Participate In Plan

+ References

No definition available.

+ Details

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

- Definition

EBP, Note Receivable From Participant, Account, Maximum Borrowing Term

+ References

No definition available.

+ Details

Name:	glw_EBPNoteReceivableFromParticipantAccountMaximumBorrowingTerm
Namespace Prefix:	glw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Note Receivable From Participant, Account, Number Of Loan

+ References

No definition available.

+ Details

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

- Definition

EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term

+ References

No definition available.

+ Details

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Namespace Prefix:	glw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Contribution, Automatic, Annual Increase Deferral Rate

+ References

No definition available.

+ Details

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Namespace Prefix:	glw_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Contribution, Provision Period Before Deferrals Begin

+ References

No definition available.

+ Details

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Namespace Prefix:	glw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Requisite Service Period, Number Of Years

+ References

No definition available.

+ Details

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Namespace Prefix:	glw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Retired Employee Age For Distribution

+ References

No definition available.

+ Details

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

- 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/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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- Details

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