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Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2019
Quarterly Financial Data |
Schedule of Unaudited Quarterly Financial Data | The following table summarizes the unaudited quarterly results of operations for 2019 and 2018 (in millions, except per share amounts):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | First |  | Second |  | Third |  | Fourth
​ |  | Quarter |  | Quarter |  | Quarter |  | Quarter
2019 |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Operating revenues | ​ | $ | 3,696 | ​ | $ | 3,946 | ​ | ​ | 3,967 | ​ | ​ | 3,846
Income from operations | ​ |  | 621 | ​ |  | 696 | ​ | ​ | 734 | ​ | ​ | 655
Consolidated net income | ​ |  | 347 | ​ |  | 382 | ​ | ​ | 495 | ​ | ​ | 447
Net income attributable to Waste Management, Inc. | ​ |  | 347 | ​ |  | 381 | ​ | ​ | 495 | ​ | ​ | 447
Basic earnings per common share | ​ |  | 0.82 | ​ |  | 0.90 | ​ | ​ | 1.17 | ​ | ​ | 1.05
Diluted earnings per common share | ​ |  | 0.81 | ​ |  | 0.89 | ​ | ​ | 1.16 | ​ | ​ | 1.05
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2018 | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Operating revenues | ​ | $ | 3,511 | ​ | $ | 3,739 | ​ | $ | 3,822 | ​ | $ | 3,842
Income from operations | ​ |  | 608 | ​ |  | 715 | ​ |  | 699 | ​ |  | 767
Consolidated net income | ​ |  | 395 | ​ |  | 499 | ​ |  | 498 | ​ |  | 531
Net income attributable to Waste Management, Inc. | ​ |  | 396 | ​ |  | 499 | ​ |  | 499 | ​ |  | 531
Basic earnings per common share | ​ |  | 0.91 | ​ |  | 1.16 | ​ |  | 1.16 | ​ |  | 1.25
Diluted earnings per common share | ​ |  | 0.91 | ​ |  | 1.15 | ​ |  | 1.16 | ​ |  | 1.24
​

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118952077&loc=d3e1280-108306 + Details
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