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Restructuring Costs (Tables) | 12 Months Ended
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Dec. 31, 2016
Restructuring and Related Activities [Abstract] |
Restructuring Charges Pre Tax by Segment | The following table summarizes pre-tax restructuring charges, including employee severance and benefit costs and other charges, for the years ended December 31 (in millions):
|  | 2016 |  |  | 2015 |  |  | 2014 |
Solid Waste |  | $ | 4 |  |  | $ | 14 |  |  | $ | 10 |
Corporate and Other |  |  | — |  |  |  | 1 |  |  |  | 71 |
Wheelabrator |  |  | — |  |  |  | — |  |  |  | 1 |
|  | $ | 4 |  |  | $ | 15 |  |  | $ | 82 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 + Details
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