Information on the number of depreciable asset classes.

No definition available.

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- Definition

Information on the term of depreciation studies to determine the estimated service lives of depreciable assets.

+ References

No definition available.

+ Details

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- Definition

The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

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Properties - Narrative (Details)	12 Months Ended
Properties - Narrative (Details)	Dec. 31, 2024 USD ($) asset_class	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Property, Plant and Equipment [Line Items]
Number of depreciable asset classes \| asset_class	60
Gain or loss from retirement of properties		$ 0	$ 0
Cost of property repairs and maintenance	$ 2,300,000,000	$ 2,500,000,000	$ 2,400,000,000
Railroad Transportation Equipment
Property, Plant and Equipment [Line Items]
Term of depreciation studies (in years)	3 years
Railroad Transportation Track Assets
Property, Plant and Equipment [Line Items]
Term of depreciation studies (in years)	6 years