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CONSOLIDATED STATEMENTS 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) $ 752 $ (211) $ (2,808)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities      
Depreciation, depletion, and amortization 4,254 4,279 4,301
Deferred income taxes 139 (2,169) (1,238)
Dry hole expense and impairments of unproved properties 246 2,221 613
Impairments 800 408 227
(Gains) losses on divestitures, net [1],[2] (20) (674) 757
(Gains) losses on early extinguishment of debt (2) 2 155
Total (gains) losses on derivatives, net 138 131 292
Operating portion of net cash received (paid) in settlement of derivative instruments (545) 25 267
Other 294 303 342
Changes in assets and liabilities      
(Increase) decrease in accounts receivable (211) (147) 677
Increase (decrease) in accounts payable and other current liabilities 348 (32) (443)
Other items, net (264) (127) (142)
Net cash provided by (used in) operating activities 5,929 4,009 3,000
Cash Flows from Investing Activities      
Additions to properties and equipment (6,183) (5,031) (3,505)
Acquisition of businesses 0 25 (1,740)
Divestitures of properties and equipment and other assets 417 4,008 2,356
Other, net (216) (32) 147
Net cash provided by (used in) investing activities (5,982) (1,030) (2,742)
Cash Flows from Financing Activities      
Borrowings, net of issuance costs 2,343 369 6,042
Repayments of debt (1,689) (58) (6,832)
Financing portion of net cash received (paid) for derivative instruments 12 (165) (333)
Increase (decrease) in outstanding checks (39) (43) (103)
Dividends paid (528) (111) (105)
Repurchases of common stock (2,732) (1,092) (38)
Issuances of common stock 7 0 2,188
Distributions to noncontrolling interest owners (495) (445) (362)
Proceeds from conveyance of future hard-minerals royalty revenues, net of transaction costs 0 0 413
Payments of future hard-minerals royalty revenues conveyed (50) (50) (25)
Other financing activities (6) (18) 0
Net cash provided by (used in) financing activities (3,177) (1,613) 2,008
Effect of exchange rate changes on cash, cash equivalents, restricted cash, and restricted cash equivalents (15) 0 17
Net Increase (Decrease) in Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents (3,245) 1,366 2,283
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents at Beginning of Period 4,674 3,308 1,025
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents at End of Period 1,429 4,674 3,308
Subsidiary Equity Transactions [Member]      
Cash Flows from Financing Activities      
Sales of subsidiary units $ 0 $ 0 $ 1,163
[1] Includes gain of $126 million related to the 2017 property exchange discussed below.
[2] Includes goodwill allocated to divestitures of $209 million in 2017 and $397 million in 2016.