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Note 1 - Nature of Operations (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Disaggregation of Revenue [Table Text Block]

Millions		2023				2022				2021
Bulk		$	7,358			$	7,537			$	6,656
Industrial			8,238				8,205				7,323
Premium			6,975				7,417				6,265
Total freight revenues		$	22,571			$	23,159			$	20,244
Other subsidiary revenues			872				884				741
Accessorial revenues			584				779				752
Other			92				53				67
Total operating revenues		$	24,119			$	24,875			$	21,804

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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
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-5

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- References

No definition available.

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