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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cash flow from operating activities: |  |  |
Net loss | $ (4,025) | $ (12,089) | $ (745)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |  |
Depreciation, depletion and amortization | 2,610 | 3,497 | 3,863
Impairment of Oil and Gas Properties and Goodwill | 4,317 | 13,144 | 5,454
Non-cash oil and gas drillship settlements | 689 | 0 | 0
Metals inventory adjustments | 36 | 338 | 6
Other asset impairments, oil and gas inventory adjustments, and restructuring | 134 | 256 | 18
Net gain on sales of assets | (649) | (39) | (717)
Stock-based compensation | 86 | 85 | 106
Net charges for environmental and asset retirement obligations, including accretion | 191 | 209 | 200
Payments for environmental and asset retirement obligations | 242 | 198 | 176
Net gain on exchanges and early extinguishment of debt | (26) | 0 | (73)
Deferred income taxes | 239 | (2,039) | (929)
Loss on disposal of discontinued operations | (198) | 0 | 0
Decrease (increase) in long-term mill and leach stockpiles | 10 | (212) | (233)
Gain (Loss) on Derivative Instruments, Net, Pretax | (35) | 87 | 504
Other Operating Activities, Cash Flow Statement | 69 | (18) | (7)
Changes in working capital and other tax payments, excluding amounts from acquisitions and dispositions: |  |  |
Accounts receivable | (175) | 813 | 215
Inventories | 117 | 379 | (249)
Other current assets | 37 | 97 | 0
Accounts payable and accrued liabilities | (28) | (217) | (394)
Accrued income taxes and changes in other tax payments | 106 | (699) | (204)
Net cash provided by operating activities | 3,729 | 3,220 | 5,631
Cash flow from investing activities: |  |  |
Capital expenditures | (2,813) | (6,353) | (7,215)
Proceeds from sales of: |  |  |
Other assets | 423 | 160 | 0
Acquisitions of Deepwater Gulf of Mexico interests | 0 | 0 | (1,426)
Other, net | 8 | (53) | 221
Net cash provided by (used in) investing activities | 3,550 | (6,246) | (3,801)
Cash flow from financing activities: |  |  |
Proceeds from debt | 3,681 | 8,272 | 8,710
Repayments of debt | (7,625) | (6,677) | (10,306)
Net proceeds from sale of common stock | 1,515 | 1,936 | 0
Cash dividends and distributions paid: |  |  |
Common stock | (6) | (605) | (1,305)
Noncontrolling interests, including redemption | (693) | (120) | (424)
Stock-based awards net (payments) proceeds, including excess tax benefit | (6) | (4) | 9
Debt financing costs and other, net | (32) | (16) | (35)
Net cash (used in) provided by financing activities | (3,166) | 2,786 | (3,351)
Net increase (decrease) in cash and cash equivalents | 4,113 | (240) | (1,521)
(Increase) decrease in cash and cash equivalents in assets held for sale | (45) | 119 | (45)
Cash and cash equivalents at beginning of year | 177 | 298 | 1,864
Cash and cash equivalents at end of year | 4,245 | 177 | 298
Tenke Fungurume mine |  |  |
Proceeds from sales of: |  |  |
Proceeds from sales | 2,664 | 0 | 0
Deepwater Gulf of Mexico and onshore California oil and gas properties |  |  |
Proceeds from sales of: |  |  |
Proceeds from sales | 2,272 | 0 | 0
Morenci |  |  |
Proceeds from sales of: |  |  |
Proceeds from sales | 996 | 0 | 0
Eagle Ford shale assets |  |  |
Proceeds from sales of: |  |  |
Proceeds from sales | 0 | 0 | 2,910
Candelaria and Ojos del Salado mines |  |  |
Proceeds from sales of: |  |  |
Proceeds from sales | 0 | 0 | 1,709
North America copper mines |  |  |
Cash flow from investing activities: |  |  |
Capital expenditures | (102) | (355) | (969)
South America |  |  |
Cash flow from investing activities: |  |  |
Capital expenditures | (382) | (1,722) | (1,785)
Indonesia |  |  |
Cash flow from investing activities: |  |  |
Capital expenditures | (1,025) | (901) | (935)
Molybdenum mines |  |  |
Cash flow from investing activities: |  |  |
Capital expenditures | (2) | (13) | (54)
United States oil and gas operations |  |  |
Cash flow from investing activities: |  |  |
Capital expenditures | (1,127) | (2,948) | (3,205)
Other |  |  |
Cash flow from investing activities: |  |  |
Capital expenditures | $ (175) | $ (414) | $ (267)

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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 -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: 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=66902209&loc=d3e3213-108585 + Details
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