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Railway Operating Revenues - Narrative (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Average transit days (or less)	7 days
Revenue, payment terms	15 days
Accessorial Services
Disaggregation of Revenue [Line Items]
Accessorial services percent of total railway operating revenues	5.00%	7.00%	7.00%

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Ancillary Services Percent Of Total Railway Operating Revenues

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