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Goodwill (Tables) | 6 Months Ended
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Jun. 30, 2011
Goodwill. |
Changes in goodwill |
|  | Transportation |  | Facilities |  | Supply & Logistics |  | Total (1) |
Balance, December 31, 2010 |  | $ | 640 |  | $ | 308 |  | $ | 428 |  | $ | 1,376 |
2011 Goodwill Related Activity: |  |  |  |  |  |  |  |  |
Southern Pines Acquisition (2) |  | — |  | 301 |  | — |  | 301 |
Purchase accounting adjustments (2) |  | — |  | — |  | 10 |  | 10 |
Foreign currency translation adjustments |  | 7 |  | — |  | 1 |  | 8 |
Other |  | — |  | — |  | (3 | ) | (3 | )
Balance, June 30, 2011 |  | $ | 647 |  | $ | 609 |  | $ | 436 |  | $ | 1,692 |
(1) As of June 30, 2011, we do not have any material accumulated impairment losses. (2) Goodwill is recorded at the acquisition date based on a preliminary purchase price allocation. This preliminary goodwill balance may be adjusted when the purchase price allocation is finalized.

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- Definition The carrying amount of goodwill, goodwill acquired during the year, goodwill impairment losses recognized, goodwill written off due to the sale of a business unit, goodwill not yet allocated, and any other changes to goodwill during the period in total and for each reportable segment. At least annually, an Entity must evaluate its goodwill for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 + Details
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