Consolidated Statements of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash Flows from Operating Activities:
Net income		$ 1,339	$ 2,472	$ 1,961
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		1,130	1,167	971
Amortization of purchased intangibles		54	33	31
Restructuring, impairment and other charges			71	67
Stock compensation charges		46	58	54
Equity in earnings of affiliated companies		(299)	(266)	(547)
Dividends received from affiliated companies		143	1,704	630
Deferred tax provision		54	612	189
Restructuring payments		(40)	(39)	(35)
Customer deposits		197
Employee benefit payments (in excess of) less than expense		(52)	(52)	52
Gains on foreign currency hedges related to translated earnings		(80)	(1,369)	(435)
Unrealized translation losses on transactions		268	431	96
Contingent consideration fair value adjustment		(13)	(249)
Changes in certain working capital items:
Trade accounts receivable		162	(16)	(29)
Inventories		(77)	2	(247)
Other current assets		(57)	(16)	34
Accounts payable and other current liabilities		(146)	(3)	(23)
Other, net		180	169	18
Net cash provided by operating activities		2,809	4,709	2,787
Cash Flows from Investing Activities:
Capital expenditures		(1,250)	(1,076)	(1,019)
Acquisitions of businesses, net of cash (paid) received		(732)	66	(68)
Proceeds from sale of a business		12
Investment in unconsolidated entities		(33)	(109)	(526)
Proceeds from loan repayments from unconsolidated entities		6	23	8
Short-term investments – acquisitions		(969)	(1,398)	(1,406)
Short-term investments – liquidations		1,629	1,167	2,026
Premium on purchased collars				(107)
Realized gains on foreign currency hedges related to translated earnings		653	361	87
Other, net		(1)	4	1
Net cash used in investing activities		(685)	(962)	(1,004)
Cash Flows from Financing Activities:
Retirement of long-term debt, net				(498)
Net repayments of short-term borrowings and current portion of long-term debt		(12)	(52)	(71)
Proceeds from issuance of long-term debt		745		248
Proceeds from issuance of short-term debt, net		3	29
Proceeds from issuance of commercial paper		481
(Payments) proceeds from the settlement of interest rate swap agreements		(10)		33
Principal payments under capital lease obligations		(6)	(6)	(7)
Proceeds from issuance of preferred stock (1)	[1]		400
Proceeds received for asset financing and related incentives, net		1	1	276
Payments to acquire noncontrolling interest				(47)
Proceeds from the exercise of stock options		102	116	85
Repurchases of common stock for treasury		(3,228)	(2,483)	(1,516)
Dividends paid		(679)	(591)	(566)
Net cash used in financing activities		(2,603)	(2,586)	(2,063)
Effect of exchange rates on cash		(330)	(556)	(4)
Net (decrease) increase in cash and cash equivalents		(809)	605	(284)
Cash and cash equivalents at beginning of year		5,309	4,704	4,988
Cash and cash equivalents at end of year		$ 4,500	$ 5,309	$ 4,704

[1] In the first quarter of 2014, Corning issued 1,900 shares of Preferred Stock to Samsung Display Co., Ltd. in connection with the acquisition of their equity interests in Samsung Corning Precision Materials Co., Ltd. (Note 8). Corning also issued to Samsung Display an additional 400 shares of Preferred Stock at closing, for an issue price of $400 million in cash (Note 17).