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Goodwill | 9 Months Ended
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Sep. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill | Goodwill Goodwill by segment and changes in goodwill are reflected in the following table (in millions):
| Transportation |  | Facilities |  | Supply and Logistics |  | Total
Balance at December 31, 2018 | $ | 1,040 |  |  | $ | 978 |  |  | $ | 503 |  |  | $ | 2,521 |
Foreign currency translation adjustments | 7 |  |  | 2 |  |  | 2 |  |  | 11 |
Balance at September 30, 2019 | $ | 1,047 |  |  | $ | 980 |  |  | $ | 505 |  |  | $ | 2,532 |
We utilized a quantitative assessment in our goodwill impairment test as of June 30, 2019 and determined that there was no impairment of goodwill.

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- Definition The entire disclosure for goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
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