Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income attributable to Corning Incorporated	$ 1,906	$ 512	$ 960
Foreign currency translation adjustments and other (Note 17)	(604)	528	(143)
Net unrealized gains on investments			1
Unamortized gains (losses) and prior service credits (costs) for postretirement benefit plans	178	(88)	(64)
Net unrealized (losses) gains on designated hedges	(9)	(9)	45
Other comprehensive (loss) income, net of tax	(435)	431	(161)
Comprehensive income attributable to Corning Incorporated	$ 1,471	$ 943	$ 799