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Goodwill
12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Goodwill
As a result of the Merger on February 12, 2010, the Company recorded $14.8 billion of goodwill. Subsequent to the Merger, the Company has recorded additional amounts of goodwill as a result of acquisitions made by its non-rail logistics subsidiary.

During the years ended December 31, 2021, 2020 and 2019, no impairment losses were incurred and there were no accumulated impairment losses related to goodwill as of both December 31, 2021 and 2020. As of both December 31, 2021 and 2020, the carrying value of goodwill was $14.9 billion.