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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Cash flow from operating activities: |  |
Net income (loss) | $ 306 | $ (4,101)
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation, depletion and amortization | 389 | 722
Impairment of oil and gas properties | 0 | 3,787
Net gain on sales of assets | (23) | 0
Stock-based compensation | 34 | 30
Net charges for environmental and asset retirement obligations, including accretion | 71 | 57
Payments for environmental and asset retirement obligations | 33 | 90
Deferred income taxes | 20 | 152
Gain on disposal of discontinued operations | 32 | 0
Decrease (increase) in long term mill and leach stockpiles | 8 | (53)
Oil and gas contract settlement payments | 70 | 0
Other, net | (56) | 48
Changes in working capital and other tax payments, excluding amounts from dispositions: |  |
Accounts receivable | 623 | 93
Inventories | (135) | 114
Other current assets | (13) | (68)
Accounts payable and accrued liabilities | (433) | 9
Accrued income taxes and changes in other tax payments | 136 | 40
Net cash provided by operating activities | 792 | 740
Cash flow from investing activities: |  |
Capital expenditures | 344 | 982
Other, net | (21) | 2
Net cash used in investing activities | (365) | (980)
Cash flow from financing activities: |  |
Proceeds from debt | 157 | 1,796
Repayments of debt | (815) | (1,442)
Net proceeds from sale of common stock | 0 | 32
Cash dividends paid: |  |
Common stock | (1) | (4)
Noncontrolling interests | 15 | 18
Stock-based awards net payments | (5) | (4)
Debt financing costs and other, net | 0 | 13
Net cash (used in) provided by financing activities | (679) | 347
Net (decrease) increase in cash and cash equivalents | (252) | 107
Decrease (increase) in cash and cash equivalents in assets held for sale | 8 | (53)
Cash and cash equivalents at beginning of year | 4,245 | 177
Cash and cash equivalents at end of period | 4,001 | 231
North America Copper Mines Segment [Member] |  |
Cash flow from investing activities: |  |
Capital expenditures | 28 | 34
South America Mines Segment [Member] |  |
Cash flow from investing activities: |  |
Capital expenditures | 15 | 157
Grasberg Segment [Member] |  |
Cash flow from investing activities: |  |
Capital expenditures | 244 | 222
Molybdenum [Member] |  |
Cash flow from investing activities: |  |
Capital expenditures | 1 | 1
Other Segments [Member] |  |
Cash flow from investing activities: |  |
Capital expenditures | $ 56 | $ 568

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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + 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 (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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