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Nature Of Operations (Tables)

12 Months Ended

Dec. 31, 2020

Nature Of Operations [Abstract]

Freight Revenue By Commodity Group

Our operating revenues are primarily derived from contracts with customers for the transportation of freight from origin to destination. The following table represents a disaggregation of our freight and other revenues:

Millions	2020		2019		2018
Bulk	$	5,960	$	6,529	$	7,069
Industrial		6,622		7,472		7,689
Premium		5,669		6,242		6,626
Total freight revenues	$	18,251	$	20,243	$	21,384
Other subsidiary revenues		743		880		881
Accessorial revenues		473		514		502
Other		66		71		65
Total operating revenues	$	19,533	$	21,708	$	22,832

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This element is used to capture the breakout of our one segment into our six commodity groups.

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