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CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Cash flows from operating activities:    
Net income $ 971 $ 203
Adjustments to reconcile net income to cash provided by operating activities:    
Impairments and other charges 184 674
Depreciation and amortization [1] 1,750 1,975
Stock-based compensation expense 176 180
Pension and other postretirement benefits funding (74) (74)
Earnings of equity method investments, less dividends received (26) (30)
Change in assets and liabilities:    
Increase in receivables [2] (284) (406)
Increase in inventories [2] (71) (51)
Decrease (increase) in other current assets [2] 66 (123)
Increase in other assets [2] (120) (140)
Decrease in accounts payable and accrued liabilities [2] (1,015) (738)
Decrease in estimated liability for taxes on income [2] (34) (21)
Decrease in other liabilities [2] (10) (37)
Other [2] 42 102
NET CASH PROVIDED BY OPERATING ACTIVITIES 1,555 1,514
Cash flows from investing activities:    
Capital expenditures (974) (884)
SPM investments (434) (328)
Multiclient seismic data costs capitalized (47) (190)
Business acquisitions and investments, net of cash acquired (47) (364)
Sale of investments, net 1,692 2,245
Other (20) (61)
NET CASH PROVIDED BY INVESTING ACTIVITIES 170 418
Cash flows from financing activities:    
Dividends paid (1,385) (1,393)
Proceeds from employee stock purchase plan 107 96
Proceeds from exercise of stock options 26 47
Stock repurchase program (200) (770)
Proceeds from issuance of long-term debt 14 625
Repayment of long-term debt (467) (475)
Net decrease in short-term borrowings (106) (1,097)
Other (40) (2)
NET CASH USED IN FINANCING ACTIVITIES (2,051) (2,969)
Net decrease in cash before translation effect (326) (1,037)
Translation effect on cash (12) 11
Cash, beginning of period 1,799 2,929
Cash, end of period $ 1,461 $ 1,903
[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.