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v3.20.2

Operations and Segmentation (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Commodity Group Information [Line Items] |  |  |  |
Freight revenues | $ 4,596 | $ 5,146 | $ 13,448 | $ 15,392
Subsidiary revenue | 193 | 223 | 557 | 665
Accessorial revenues | 114 | 132 | 334 | 388
Other revenues | 16 | 15 | 53 | 51
Total operating revenues | 4,919 | 5,516 | 14,392 | 16,496
Cargo and Freight [Member] |  |  |  |
Commodity Group Information [Line Items] |  |  |  |
Freight revenues | 4,596 | 5,146 | 13,448 | 15,392
Bulk [Member] |  |  |  |
Commodity Group Information [Line Items] |  |  |  |
Freight revenues | 1,478 | 1,682 | 4,398 | 4,980
Industrial [Member] |  |  |  |
Commodity Group Information [Line Items] |  |  |  |
Freight revenues | 1,567 | 1,902 | 4,961 | 5,678
Premium [Member] |  |  |  |
Commodity Group Information [Line Items] |  |  |  |
Freight revenues | 1,551 | 1,562 | 4,089 | 4,734
Mexico [Member] |  |  |  |
Commodity Group Information [Line Items] |  |  |  |
Freight revenues | $ 556 | $ 602 | $ 1,500 | $ 1,800

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