Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net income (loss) attributable to Corning Incorporated	$ 599	$ (96)
Foreign currency translation adjustments and other	(363)	(265)
Net unrealized gains (losses) on designated hedges	11	(61)
Other comprehensive loss, net of tax (Note 14)	(352)	(326)
Comprehensive income (loss) attributable to Corning Incorporated	$ 247	$ (422)