Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash Flows from Operating Activities:
Net income	$ 407	$ 301
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	279	289
Amortization of purchased intangibles	12	8
Restructuring, impairment and other charges		17
Stock compensation charges	10	15
Equity in earnings of affiliated companies	(94)	(86)
Dividends received from affiliated companies	48	1,610
Deferred tax (benefit) expense provision	(5)	22
Restructuring payments	(13)	(11)
Employee benefit payments in excess of expense	(6)	(17)
Gains on translated earnings contracts	(29)	(2)
Unrealized translation losses (gains) on transactions	298	(16)
Changes in certain working capital items:
Trade accounts receivable	35	21
Inventories	(1)	(3)
Other current assets	(13)	28
Accounts payable and other current liabilities	(314)	(413)
Other, net	(13)	(26)
Net cash provided by operating activities	601	1,737
Cash Flows from Investing Activities:
Capital expenditures	(333)	(246)
Acquisitions of business, net of cash (paid) received	(531)	66
Investment in unconsolidated entities		(109)
Proceeds from loan repayments from unconsolidated entities	4	5
Short-term investments – acquisitions	(284)	(445)
Short-term investments – liquidations	282	338
Realized gains on translated earnings contracts	149	89
Other, net		1
Net cash used in investing activities	(713)	(301)
Cash Flows from Financing Activities:
Net repayments of short-term borrowings and current portion of long-term debt		(8)
Proceeds from issuance of commercial paper		418
Proceeds from issuance of preferred stock (1)		400	[1]
Payments from settlement of interest rate swap arrangements	(9)
Proceeds from the exercise of stock options	89	50
Repurchases of common stock for treasury	(477)	(1,901)
Dividends paid	(177)	(136)
Net cash used in financing activities	(574)	(1,177)
Effect of exchange rates on cash	(319)	5
Net (decrease) increase in cash and cash equivalents	(1,005)	264
Cash and cash equivalents at beginning of period	5,309	4,704
Cash and cash equivalents at end of period	$ 4,304	$ 4,968

[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. ("Samsung Corning Precision Materials"). Corning also issued to Samsung Display an additional 400 shares of Preferred Stock at closing, for an issue price of $400 million in cash.