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Note 3 - Operations and Segmentation (Tables) | 9 Months Ended
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Sep. 30, 2022
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
Millions |  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Bulk |  | $ | 1,959 |  |  | $ | 1,687 |  |  | $ | 5,604 |  |  | $ | 4,847 |
Industrial |  |  | 2,194 |  |  |  | 1,911 |  |  |  | 6,206 |  |  |  | 5,426 |
Premium |  |  | 1,956 |  |  |  | 1,568 |  |  |  | 5,581 |  |  |  | 4,674 |
Total freight revenues |  | $ | 6,109 |  |  | $ | 5,166 |  |  | $ | 17,391 |  |  | $ | 14,947 |
Other subsidiary revenues |  |  | 231 |  |  |  | 182 |  |  |  | 669 |  |  |  | 539 |
Accessorial revenues |  |  | 212 |  |  |  | 198 |  |  |  | 596 |  |  |  | 535 |
Other |  |  | 14 |  |  |  | 20 |  |  |  | 39 |  |  |  | 50 |
Total operating revenues |  | $ | 6,566 |  |  | $ | 5,566 |  |  | $ | 18,695 |  |  | $ | 16,071 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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