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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS |  |  |  |
Operating revenues | $ 3,967 | $ 3,822 | $ 11,609 | $ 11,072
Costs and expenses: |  |  |  |
Operating | 2,441 | 2,373 | 7,182 | 6,870
Selling, general and administrative | 386 | 345 | 1,186 | 1,083
Depreciation and amortization | 404 | 376 | 1,179 | 1,107
Restructuring | 1 | 1 | 3 | 4
(Gain) loss from divestitures, asset impairments and unusual items, net | 1 | 28 | 8 | (14)
Total costs and expenses | 3,233 | 3,123 | 9,558 | 9,050
Income from operations | 734 | 699 | 2,051 | 2,022
Other income (expense): |  |  |  |
Interest expense, net | (105) | (93) | (301) | (277)
Loss on early extinguishment of debt | (1) |  | (85) |
Equity in net losses of unconsolidated entities | (14) | (9) | (39) | (29)
Other, net | 1 |  | (52) | 1
Total other income (expense) | (119) | (102) | (477) | (305)
Income before income taxes | 615 | 597 | 1,574 | 1,717
Income tax expense | 120 | 99 | 350 | 325
Consolidated net income | 495 | 498 | 1,224 | 1,392
Less: Net income (loss) attributable to noncontrolling interests |  | (1) | 1 | (2)
Net income attributable to Waste Management, Inc. | $ 495 | $ 499 | $ 1,223 | $ 1,394
Basic earnings per common share | $ 1.17 | $ 1.16 | $ 2.88 | $ 3.24
Diluted earnings per common share | $ 1.16 | $ 1.16 | $ 2.86 | $ 3.22

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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- Definition The aggregate amount of asset impairment charges, (gains) and losses related to the divestiture of businesses and unusual items incurred during an accounting period. + References No definition available. + Details
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- Definition Interest and other income (expense), total. + References No definition available. + Details
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