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OPERATING, SELLING AND GENERAL EXPENSE | 12 Months Ended
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Dec. 31, 2021
OPERATING, SELLING AND GENERAL EXPENSE |
OPERATING, SELLING AND GENERAL | 8. OPERATING, SELLING AND GENERAL EXPENSE Operating, Selling and General expense consists of the following: ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ | ​ |
($ millions) | ​ | 2021 | ​ | 2020 | ​
Contract services(1) |  | 4 090 |  | 4 165 | ​
Employee costs(1) |  | 3 884 |  | 2 813 | ​
Materials |  | 880 |  | 951 | ​
Energy |  | 1 500 |  | 1 113 | ​
Equipment rentals and leases |  | 418 |  | 361 | ​
Travel, marketing and other(2) |  | 594 |  | 391 | ​
​ |  | 11 366 |  | 9 794 | ​
​
(1) | The company incurred $8.6 billion of contract services and employee costs for the year ended December 31, 2021 (2020 – $7.5 billion), of which $8.0 billion (2020 – $7.0 billion) was recorded in Operating, Selling and General expense and $0.6 billion was recorded as Property, Plant and Equipment (2020 – $0.5 billion). Employee costs include salaries, benefits and share-based compensation.
(2) | Prior period amounts have been reclassified to align with the current year presentation of transportation and distribution expense. For the year ended December 31, 2020, $133 million was reclassified from operating, selling and general expense to transportation and distribution expense. This reclassification had no effect on net earnings (loss).

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