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Goodwill (Details) - USD ($) |  | 9 Months Ended
--- | --- | ---
Jun. 30, 2016 | Sep. 30, 2016
Changes in goodwill |  |
Balance at December 31, 2015 |  | $ 2,405,000,000
Foreign currency translation adjustments |  | 19,000,000
Dispositions and reclassifications to assets held for sale |  | (71,000,000)
Balance at September 30, 2016 |  | 2,353,000,000
Impairment of goodwill | $ 0 |
Operating Segments | Transportation |  |
Changes in goodwill |  |
Balance at December 31, 2015 |  | 815,000,000
Foreign currency translation adjustments |  | 12,000,000
Dispositions and reclassifications to assets held for sale |  | (15,000,000)
Balance at September 30, 2016 |  | 812,000,000
Operating Segments | Facilities |  |
Changes in goodwill |  |
Balance at December 31, 2015 |  | 1,087,000,000
Foreign currency translation adjustments |  | 5,000,000
Dispositions and reclassifications to assets held for sale |  | (56,000,000)
Balance at September 30, 2016 |  | 1,036,000,000
Operating Segments | Supply and Logistics |  |
Changes in goodwill |  |
Balance at December 31, 2015 |  | 503,000,000
Foreign currency translation adjustments |  | 2,000,000
Balance at September 30, 2016 |  | $ 505,000,000

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
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