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Consolidated Statement of Cash Flows
$ in Millions
9 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Cash Flows From Operating Activities    
Net income (loss) $ 4,427 $ (2,391)
Adjustments to reconcile net income (loss) to net cash provided by operating activities    
Depreciation, depletion and amortization 4,344 5,212
Impairments 21 6,475
Dry hole costs and leasehold impairments 64 435
Accretion on discounted liabilities 266 276
Deferred taxes 398 (2,770)
Distributions received greater than equity losses (undistributed equity earnings) (11) (193)
Gain on dispositions (175) (2,144)
Other (223) (367)
Working capital adjustments    
Decrease (increase) in accounts and notes receivable (147) 65
Decrease (increase) in inventories (165) (15)
Decrease (increase) in prepaid expenses and other current assets (51) (12)
Increase (decrease) in accounts payable (43) (212)
Increase (decrease) in taxes and other accruals 446 237
Net cash provided by operating activities 9,151 4,596
Cash Flows From Investing Activities    
Capital expenditures and investments (5,133) (3,074)
Working capital changes associated with investing activities (57) (18)
Proceeds from asset dispositions 394 13,740
Net sales (purchases) of short-term investments 996 (2,583)
Collection of advances/loans-related parties 119 115
Other 16 51
Net Cash Provided by (Used in) Investing Activities (3,665) 8,231
Cash Flows From Financing Activities    
Issuance of debt 0 0
Repayment of debt (4,970) (6,594)
Issuance of company common stock 121 (65)
Repurchase of company common stock (2,073) (2,045)
Dividends paid (1,009) (986)
Other (111) (80)
Net Cash Provided by (Used in) Financing Activities (8,042) (9,770)
Effect of Exchange Rate Changes on Cash and Cash Equivalents and Restricted Cash (40) 244
Net Change in Cash and Cash Equivalents and Restricted Cash Increase (Decrease) (2,596) 3,301
Cash and Cash Equivalents and Restricted Cash at beginning of period 6,536 [1] 3,610
Cash and Cash Equivalents and Restricted Cash at end of period 3,940 [2] $ 6,911
Restricted Cash $ 224  
[1]
*Restated to include $211 million of restricted cash at January 1, 2018. See Note 2—Changes in Accounting Principles for additional information relating to the adoption of ASU No. 2016-18.
[2]
Restricted cash totaling $224 million is included in the "Other assets" line of our Consolidated Balance Sheet as of September 30, 2018.