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Rail Route Network, Distance

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Rail Route Network, Distance, Partial Interest

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Business Combinations - Narrative (Details) $ in Millions	Jul. 01, 2021 USD ($) terminalAndFacility	Mar. 31, 2022 mi	Nov. 30, 2020 mi
Business Acquisition [Line Items]
Number of rail route miles \| mi		19,500
Quality Carriers, Inc.
Business Acquisition [Line Items]
Purchase price in cash paid for acquisition	$ 541
Cash and cash equivalents acquired	3
Goodwill	213
Intangible assets acquired	180
Quality Carriers, Inc. \| Customer Relationships
Business Acquisition [Line Items]
Intangible assets acquired	$ 150
Amortization period of intangible assets acquired	20 years
Quality Carriers, Inc. \| Trade Names
Business Acquisition [Line Items]
Intangible assets acquired	$ 30
Amortization period of intangible assets acquired	15 years
Quality Carriers, Inc. \| Quality Carriers, Inc. \| United States, Canada and Mexico
Business Acquisition [Line Items]
Number of terminals and facilities (over) \| terminalAndFacility	100
Pan Am Systems, Inc. \| Pan Am Systems, Inc.
Business Acquisition [Line Items]
Number of rail route miles \| mi			1,200
Number of partial interests in rail route miles (more than) \| mi			600