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CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Cash flows from operating activities: |  |  |  |
Net income (loss) |  | $ 2,177 | $ (1,513) | $ (1,627)
Adjustments to reconcile net income (loss) to cash provided by operating activities: |  |  |  |
Impairments and other charges |  | 356 | 3,764 | 3,820
Gain on sale of WesternGeco marine seismic acquisition business |  | (215) |  |
Depreciation and amortization | [1] | 3,556 | 3,837 | 4,094
Pension and other postretirement benefits expense |  | 30 | 104 | 187
Stock-based compensation expense |  | 345 | 343 | 267
Pension and other postretirement benefits funding |  | (83) | (133) | (174)
Earnings of equity method investments, less dividends received |  | (48) | (56) | (60)
Change in assets and liabilities: |  |  |  |
Decrease (increase) in receivables | [2] | 430 | (124) | 1,098
(Increase) decrease in inventories | [2] | (10) | 108 | 800
Decrease (increase) in other current assets | [2] | 121 | (174) | 308
(Increase) decrease in other assets | [2] | (58) | 402 | (488)
Decrease in accounts payable and accrued liabilities | [2] | (824) | (737) | (1,680)
(Decrease) increase in estimated liability for taxes on income | [2] | (159) | 104 | (110)
Increase (decrease) in other liabilities | [2] | 69 | (28) | 77
Other | [2] | 26 | (234) | (251)
NET CASH PROVIDED BY OPERATING ACTIVITIES |  | 5,713 | 5,663 | 6,261
Cash flows from investing activities: |  |  |  |
Capital expenditures |  | (2,160) | (2,107) | (2,055)
SPM investments |  | (981) | (1,609) | (1,031)
Multiclient seismic data capitalized |  | (100) | (276) | (630)
Business acquisitions and investments, net of cash acquired |  | (292) | (847) | (2,398)
Proceeds from sale of WesternGeco marine seismic business, net of cash divested |  | 579 |  |
Sale of investments, net |  | 1,943 | 3,277 | 5,544
Other |  | (29) | (217) | (54)
NET CASH USED IN INVESTING ACTIVITIES |  | (1,040) | (1,779) | (624)
Cash flows from financing activities: |  |  |  |
Dividends paid |  | (2,770) | (2,778) | (2,647)
Proceeds from employee stock purchase plan |  | 227 | 212 | 231
Proceeds from exercise of stock options |  | 34 | 85 | 184
Stock repurchase program |  | (400) | (969) | (778)
Proceeds from issuance of long-term debt |  | 898 | 2,371 | 3,640
Repayment of long-term debt |  | (2,861) | (2,961) | (5,630)
Net decrease in short-term borrowings |  | (85) | (1,022) | (387)
Other |  | (63) | 29 | (41)
NET CASH USED IN FINANCING ACTIVITIES |  | (5,020) | (5,033) | (5,428)
Net (decrease) increase in cash before translation effect |  | (347) | (1,149) | 209
Translation effect on cash |  | (19) | 19 | (73)
Cash, beginning of period |  | 1,799 | 2,929 | 2,793
Cash, end of period |  | $ 1,433 | $ 1,799 | $ 2,929
[1] | Includes depreciation of property, plant and equipment and amortization of intangible assets, multiclient seismic data costs and SPM investments.
[2] | Net of the effect of business acquisitions and divestitures.

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- Definition The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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- Definition The cash inflow associated with the amount received from the stock plan during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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