Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 1,742	$ 592	$ 648
Foreign currency translation adjustments and other (Note 16)	383	(588)	(230)
Unamortized (losses) gains and prior service (costs) credits for postretirement benefit plans	(49)	184	(24)
Realized and unrealized gains (losses) on derivatives	104	(91)	36
Other comprehensive income (loss), net of tax	438	(495)	(218)
Comprehensive income	2,180	97	430
Comprehensive income attributable to non-controlling interest	(146)	(86)	(67)
Comprehensive income attributable to Corning Incorporated	$ 2,034	$ 11	$ 363