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Acquisitions and Divestitures (Tables) | 12 Months Ended
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Dec. 31, 2017
Acquisitions and Divestitures |
Schedule of Fair Value Assigned to Other Intangible Assets | The following table presents the fair value assigned to other intangible assets for the Deffenbaugh and SWS acquisitions, respectively, (amounts in millions, except for amortization periods):
|  | Deffenbaugh |  | SWS
|  |  |  |  | Weighted Average |  |  |  |  | Weighted Average
|  |  |  |  | Amortization |  |  |  |  | Amortization
|  |  |  |  | Periods |  |  |  |  | Periods
|  | Amount |  | (in Years) |  | Amount |  | (in Years)
Customer and supplier relationships |  | $ | 94 |  | 15.0 |  | $ | 160 |  | 10.0
Covenants not-to-compete |  |  | — |  | — |  |  | 18 |  | 5.0
Trade name |  |  | 6 |  | 15.0 |  |  | 4 |  | 10.0
Total other intangible assets subject to amortization |  | $ | 100 |  | 15.0 |  | $ | 182 |  | 9.5
Pro Forma Consolidated Results of Operations | The following pro forma consolidated results of operations for the years ended December 31 have been prepared as if the acquisitions of Deffenbaugh and SWS occurred as of January 1, 2015 (in millions, except per share amounts):
|  | 2016 |  | 2015
Operating revenues |  | $ | 13,611 |  | $ | 13,137
Net income attributable to Waste Management, Inc. |  |  | 1,182 |  |  | 751
Basic earnings per common share |  |  | 2.67 |  |  | 1.66
Diluted earnings per common share |  |  | 2.65 |  |  | 1.65

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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