Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Net sales	$ 4,144	$ 3,452
Cost of sales	2,616	2,238
Gross margin	1,528	1,214
Operating expenses:
Selling, general and administrative expenses	588	471
Research, development and engineering expenses	278	270
Amortization of purchased intangibles	23	28
Operating income	639	445
Interest income	9	12
Interest expense	(92)	(82)
Translated earnings contract loss, net	(16)	(101)
Other expense, net	(11)	(34)
Income before income taxes	529	240
Provision for income taxes (Note 11)	(121)	(55)
Net income	408	185
Net income attributable to non-controlling interest	(37)	(28)
Net income attributable to Corning Incorporated	$ 371	$ 157
Earnings per common share available to common shareholders:
Basic (Note 15) (in dollars per share)	$ 0.43	$ 0.18
Diluted (Note 15) (in dollars per share)	$ 0.43	$ 0.18