| Document And Entity Information | Jul. 25, 2023 |
| Document Information [Line Items] | |
| Entity, Registrant Name | CORNING INC /NY |
| Document, Type | 8-K |
| Document, Period End Date | Jul. 25, 2023 |
| 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 |
| Entity, Central Index Key | 0000024741 |
| CommonStock050ParValuePerShare Custom [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock, $0.50 par value per share |
| Trading Symbol | GLW |
| Security Exchange Name | NYSE |
| NotesDue20263875 Custom [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 3.875% Notes due 2026 |
| Trading Symbol | GLW26 |
| Security Exchange Name | NYSE |
| NotesDue20314125 Custom [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 4.125% Notes due 2031 |
| Trading Symbol | GLW31 |
| Security Exchange Name | NYSE |
