Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Net income attributable to Corning Incorporated	$ 407us-gaap_NetIncomeLoss	$ 301us-gaap_NetIncomeLoss
Other comprehensive loss, net of tax:
Foreign currency translation adjustments and other	(256)	(132)
Net unrealized gains on investments	1	13
Unamortized gains (losses) and prior service credits (costs) for postretirement benefit plans	1	9
Net unrealized gains (losses) on designated hedges	5	(4)
	(249)	(114)
Comprehensive income attributable to Corning Incorporated	$ 158us-gaap_ComprehensiveIncomeNetOfTax	$ 187us-gaap_ComprehensiveIncomeNetOfTax

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The accumulated change in the value of either the projected benefit obligation or the plans assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost pursuant to ASC 715-20 and 715-30, after tax as well as adjustments out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period, after tax.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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