Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Net income	$ 408	$ 185
Foreign currency translation adjustments and other (Note 12)	(171)	161
Unamortized losses and prior service costs for postretirement benefit plans	(4)	(5)
Realized and unrealized (losses) gains on derivatives	(11)	27
Other comprehensive (loss) income, net of tax	(186)	183
Comprehensive income	222	368
Comprehensive income attributable to non-controlling interest	(37)	(28)
Comprehensive income attributable to Corning Incorporated	$ 185	$ 340