Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Consolidated Statements of Comprehensive Income [Abstract]
Net (loss) income attributable to Corning Incorporated	$ (589)	$ 86
Foreign currency translation adjustments and other	264	450
Net unrealized gains on investments		3
Unamortized gains (losses) and prior service credits for postretirement benefit plans	1	1
Net unrealized gains on designated hedges		26
Other comprehensive income, net of tax (Note 13)	265	480
Comprehensive (loss) income attributable to Corning Incorporated	$ (324)	$ 566