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Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Income Statement [Abstract] |  |  |  |
Operating revenues | $ 3,677 | $ 3,425 | $ 7,117 | $ 6,601
Costs and expenses: |  |  |  |
Operating | 2,290 | 2,130 | 4,456 | 4,123
Selling, general and administrative | 353 | 340 | 743 | 702
Depreciation and amortization | 356 | 340 | 684 | 652
Restructuring | 1 | 2 | 2 | 4
Expense from divestitures, asset impairments and unusual items, net | 4 | 2 | 1 | 1
Total costs and expenses | 3,004 | 2,814 | 5,886 | 5,482
Income from operations | 673 | 611 | 1,231 | 1,119
Other income (expense): |  |  |  |
Interest expense, net | (90) | (93) | (182) | (188)
Equity in net losses of unconsolidated entities | (13) | (16) | (45) | (23)
Other, net |  | (43) |  | (53)
Total other income (expense) | (103) | (152) | (227) | (264)
Income (loss) before income taxes | 570 | 459 | 1,004 | 855
Income tax expense | 209 | 173 | 346 | 313
Consolidated net income | 361 | 286 | 658 | 542
Less: Net loss attributable to noncontrolling interests | (1) | (1) | (2) | (3)
Net income attributable to Waste Management, Inc. | $ 362 | $ 287 | $ 660 | $ 545
Basic earnings per common share | $ 0.82 | $ 0.65 | $ 1.49 | $ 1.22
Diluted earnings per common share | 0.81 | 0.64 | 1.49 | 1.22
Cash dividends declared per common share | $ 0.425 | $ 0.410 | $ 0.850 | $ 0.820

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