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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Cash flows from operating activities: |  |  |
Net income (loss) | $ 17 | $ (137) | $ (158)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation and amortization | 263 | 304 | 320
Impairment of goodwill, intangibles and other assets | 1 | 69 | 0
Amortization of debt issuance costs and discounts | 38 | 23 | 16
Share-based compensation | 35 | 27 | 31
Debt extinguishment costs | 65 | 0 | 0
Deferred Income Taxes and Tax Credits | (9) | (44) | (142)
Unrealized gain on forward interest rate swaps | (2) | 0 | (4)
Other, net | 4 | 3 | 14
Changes in operating assets and liabilities: |  |  |
Accounts receivable, net | 161 | 34 | 2
Inventories, net | (110) | 34 | (13)
Other assets | 16 | 7 | (7)
Accounts payable | (40) | 125 | (21)
Accrued liabilities | 4 | (29) | (5)
Deferred revenue | 17 | 7 | 16
Income taxes | 26 | (41) | 47
Other operating activities | (8) | (2) | 26
Net cash provided by operating activities | 478 | 380 | 122
Cash flows from investing activities: |  |  |
Acquisition of businesses, net of cash acquired | 0 | 0 | (52)
Purchases of property, plant and equipment | (50) | (77) | (122)
Proceeds from the sale of a business | 0 | 39 | 0
Proceeds from the sale of long-term investments | 0 | 0 | 3
Purchases of long-term investments | (1) | (1) | (1)
Purchases of investments and marketable securities | 0 | 0 | (1)
Proceeds from sales of investments and marketable securities | 0 | 0 | 25
Net cash used in investing activities | (51) | (39) | (148)
Cash flows from financing activities: |  |  |
Payments of debt issuance costs and discounts | (5) | (5) | 0
Proceeds from issuance of long-term debt | 1,371 | 102 | 0
Payments of long term-debt | (1,825) | (484) | (165)
Payments of debt extinguishment costs | (65) | 0 | 0
Proceeds from exercise of stock options and stock purchase plan purchases | 12 | 11 | 17
Taxes paid related to net share settlement of equity awards | (5) | (8) | (13)
Net cash used in financing activities | (517) | (384) | (161)
Effect of exchange rate changes on cash | (4) | 7 | (15)
Net decrease in cash and cash equivalents | (94) | (36) | (202)
Cash and cash equivalents at beginning of year | 156 | 192 | 394
Cash and cash equivalents at end of year | 62 | 156 | 192
Supplemental disclosures of cash flow information: |  |  |
Income taxes paid | 65 | 81 | 38
Interest paid | $ 195 | $ 180 | $ 183

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- Definition The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, beyond the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the long-term. + References No definition available. + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from issuance of shares under share-based compensation arrangement. Issuance includes, but is not limited to, exercise of stock options and similar instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=SL79508275-113901 + Details
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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, beyond the current operating cycle. + References No definition available. + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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