v3.26.1
Document and Entity Information
Sep. 11, 2026
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Sep. 11, 2026
Entity Registrant Name CORNING INC /NY
Entity Incorporation State Country Code NY
Entity File Number 1-3247
Entity Tax Identification Number 16-0393470
Entity Address Address Line 1 One Riverfront Plaza
Entity Address City Or Town Corning
Entity Address State Or Province NY
Entity Address Postal Zip Code 14831
City Area Code 607
Local Phone Number 974-9000
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0000024741
Amendment Flag false
Common Stock [Member]  
Document Information [Line Items]  
Security 12b Title Common Stock, $0.50 par value per share
Trading Symbol GLW
Security Exchange Name NYSE
4.125% Notes Due 2031 [Member]  
Document Information [Line Items]  
Security 12b Title 4.125% Notes due 2031
Trading Symbol GLW31
Security Exchange Name NYSE