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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Cash flow from operating activities: |  |  |
Net income (loss) | $ 2,095 | $ (4,025) | $ (12,089)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation, depletion and amortization | 1,714 | 2,610 | 3,497
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit) | (393) | 0 | 0
Litigation Settlement, Expense | 355 | 0 | 0
Payments for Legal Settlements | (53) | (30) | (34)
Impairment of Oil and Gas Properties | 0 | 4,317 | 13,144
Oil and gas noncash drillship settlement costs and other adjustments | (33) | 803 | 137
Oil and gas contract settlement payments | (70) | 0 | 0
Metals inventory adjustments | 8 | 36 | 338
Mining asset impairments and restructuring | 40 | 20 | 119
Net gain on sales of assets | (81) | (649) | (39)
Stock-based compensation | 71 | 86 | 85
Net charges for environmental and asset retirement obligations, including accretion | 383 | 191 | 209
Payments for environmental and asset retirement obligations | 131 | 242 | 198
Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash | 120 | 113 | 105
Payment for Pension and Other Postretirement Benefits | (174) | (57) | (140)
Net gain on early extinguishment and exchanges of debt | (21) | (26) | 0
Deferred income taxes | 76 | 239 | (2,039)
Loss on disposal of discontinued operations | 57 | (198) | 0
Decrease (increase) in long-term mill and leach stockpiles | 224 | 10 | (212)
Other Operating Activities, Cash Flow Statement | 20 | 48 | (70)
Changes in working capital and other tax payments, excluding disposition amounts: |  |  |
Accounts receivable | 427 | (175) | 813
Inventories | (393) | 117 | 379
Other current assets | (28) | 37 | 97
Accounts payable and accrued liabilities | 110 | (28) | (217)
Accrued income taxes and timing of other tax payments | 473 | 136 | (665)
Net cash provided by operating activities | 4,682 | 3,729 | 3,220
Cash flow from investing activities: |  |  |
Capital expenditures | (1,410) | (2,813) | (6,353)
Proceeds from sales of: |  |  |
Other assets | 72 | 423 | 160
Other, net | (25) | 8 | (53)
Net cash (used in) provided by investing activities | (1,363) | 3,550 | (6,246)
Cash flow from financing activities: |  |  |
Proceeds from debt | 955 | 3,681 | 8,272
Repayments of debt | (3,812) | (7,625) | (6,677)
Net proceeds from sale of common stock | 0 | 1,515 | 1,936
Cash dividends and distributions paid: |  |  |
Common stock | (2) | (6) | (605)
Noncontrolling interests, including redemption | (174) | (693) | (120)
Stock-based awards net payments | (10) | (6) | (4)
Debt financing costs and other, net | (12) | (32) | (16)
Net cash (used in) provided by financing activities | (3,055) | (3,166) | 2,786
Net increase (decrease) in cash and cash equivalents | 264 | 4,113 | (240)
(Increase) decrease in cash and cash equivalents in assets held for sale | (62) | (45) | 119
Cash and cash equivalents at beginning of year | 4,245 | 177 | 298
Cash and cash equivalents at end of year | 4,447 | 4,245 | 177
Tenke Fungurume mine |  |  |
Proceeds from sales of: |  |  |
Proceeds from sales | 0 | 2,664 | 0
Deepwater Gulf of Mexico and onshore California oil and gas properties |  |  |
Proceeds from sales of: |  |  |
Proceeds from sales | 0 | 2,272 | 0
Morenci |  |  |
Proceeds from sales of: |  |  |
Proceeds from sales | 0 |  | 0
North America copper mines |  |  |
Cash flow from investing activities: |  |  |
Capital expenditures | (167) | (102) | (355)
South America |  |  |
Cash flow from investing activities: |  |  |
Capital expenditures | (115) | (382) | (1,722)
Indonesia |  |  |
Cash flow from investing activities: |  |  |
Capital expenditures | (875) | (1,025) | (901)
Molybdenum mines |  |  |
Cash flow from investing activities: |  |  |
Capital expenditures | (5) | (2) | (13)
Other, including oil and gas operations |  |  |
Cash flow from investing activities: |  |  |
Capital expenditures | $ (248) | $ (1,302) | $ (3,362)

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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition Amount of payment for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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- Definition Amount of noncash expense (reversal of expense) for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- Definition The cash inflow associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from the sale of other assets recognized in investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 + Details
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