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CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash flows from operating activities:      
Net income (loss) $ (10,107) $ 2,177 $ (1,513)
Adjustments to reconcile net income (loss) to cash provided by operating activities:      
Impairments and other charges 13,148 356 3,764
Gain on formation of Sensia joint venture (247)    
Gain on sale of WesternGeco marine seismic acquisition business   (215)  
Depreciation and amortization [1] 3,589 3,556 3,837
Deferred taxes (1,011) (245) (260)
Stock-based compensation expense 405 345 343
Pension and other postretirement benefits funding (25) (83) (133)
Earnings of equity method investments, less dividends received 6 (48) (56)
Change in assets and liabilities:      
Decrease (increase) in receivables [2] 142 430 (124)
(Increase) decrease in inventories [2] (314) (10) 108
(Increase) decrease in other current assets [2] (68) 121 (174)
Decrease (increase) in other assets [2] 22 (58) 402
Decrease in accounts payable and accrued liabilities [2] (161) (824) (737)
(Decrease) increase in estimated liability for taxes on income [2] 6 (103) 115
(Decrease) increase in other liabilities [2] (52) 69 (28)
Other [2] 98 245 119
NET CASH PROVIDED BY OPERATING ACTIVITIES 5,431 5,713 5,663
Cash flows from investing activities:      
Capital expenditures (1,724) (2,160) (2,107)
APS investments (781) (981) (1,609)
Multiclient seismic data capitalized (231) (100) (276)
Business acquisitions and investments, net of cash acquired (23) (292) (847)
Net proceeds from divestiture and formation of Sensia joint venture 586    
Proceeds from sale of WesternGeco marine seismic business, net of cash divested   579  
Sale of investments, net 317 1,943 3,277
Other (155) (29) (217)
NET CASH USED IN INVESTING ACTIVITIES (2,011) (1,040) (1,779)
Cash flows from financing activities:      
Dividends paid (2,769) (2,770) (2,778)
Proceeds from employee stock purchase plan 196 227 212
Proceeds from exercise of stock options 23 34 85
Stock repurchase program (278) (400) (969)
Proceeds from issuance of long-term debt 4,004 898 2,371
Repayment of long-term debt (4,799) (2,861) (2,961)
Net decrease in short-term borrowings (44) (85) (1,022)
Other (51) (63) 29
NET CASH USED IN FINANCING ACTIVITIES (3,718) (5,020) (5,033)
Net decrease in cash before translation effect (298) (347) (1,149)
Translation effect on cash 2 (19) 19
Cash, beginning of period 1,433 1,799 2,929
Cash, end of period $ 1,137 $ 1,433 $ 1,799
[1] Includes depreciation of property, plant and equipment and amortization of intangible assets, multiclient seismic data costs and APS investments.
[2] Net of the effect of business acquisitions and divestitures.