Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Consolidated Statements of Comprehensive Income [Abstract]
Net income attributable to Corning Incorporated	$ 439	$ 2,207	$ 525	$ 1,839
Foreign currency translation adjustments and other	(46)	196	404	624
Net unrealized gains (losses) on investments	13	(1)	16	(3)
Unamortized gains and prior service credits for postretirement benefit plans	16	265	17	265
Net unrealized gains (losses) on designated hedges	12	(22)	38	(41)
Other comprehensive (loss) income, net of tax (Note 13)	(5)	438	475	845
Comprehensive income attributable to Corning Incorporated	$ 434	$ 2,645	$ 1,000	$ 2,684