v3.25.4
Earnings Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Class of Stock [Line Items]      
Net income attributable to Corning Incorporated $ 1,596 $ 506 $ 581
Weighted-average common shares outstanding - basic (in shares) 855 853 848
Stock options and other awards (in shares) 16 16 11
Weighted-average common shares outstanding - diluted (in shares) 871 869 859
Basic earnings per common share (in dollars per share) $ 1.87 $ 0.59 $ 0.69
Diluted earnings per common share (in dollars per share) $ 1.83 $ 0.58 $ 0.68
Anti-dilutive potential shares excluded from diluted earnings per common share (in shares) 0 0 2
Stock Options and Other Awards      
Class of Stock [Line Items]      
Anti-dilutive potential shares excluded from diluted earnings per common share (in shares) 0 0 2