Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net income attributable to Corning Incorporated	$ 371	$ 427	$ 1,419	$ 260
Foreign currency translation adjustments and other (Note 14)	(192)	283	(515)	76
Unamortized gains (losses) and prior service credits (costs) for postretirement benefit plans		4	(1)	(8)
Net unrealized (losses) gains on designated hedges	(15)	11	(3)	(31)
Other comprehensive (loss) income, net of tax	(207)	298	(519)	37
Comprehensive income attributable to Corning Incorporated	$ 164	$ 725	$ 900	$ 297