v3.25.2
Cover
Jul. 29, 2025
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Jul. 29, 2025
Registrant Name CORNING INC /NY
Entity Incorporation, State or Country Code NY
Entity File Number 1-3247
Entity Tax Identification Number 16-0393470
Entity Address, Address Line One 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
Entity Emerging Growth Company false
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Amendment Flag false
Central Index Key 0000024741
Common Stock  
Document Information [Line Items]  
Title of 12(b) Security Common Stock, $0.50 par value per share
Trading Symbol GLW
Security Exchange Name NYSE
3.875% Notes Due 2026  
Document Information [Line Items]  
Title of 12(b) Security 3.875% Notes due 2026
Trading Symbol GLW26
Security Exchange Name NYSE
4.125% Notes Due 2031  
Document Information [Line Items]  
Title of 12(b) Security 4.125% Notes due 2031
Trading Symbol GLW31
Security Exchange Name NYSE