Related Parties (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Related Party Transaction [Line Items] | |||||
| Equipment and other rents | $ 206 | $ 212 | $ 639 | $ 683 | |
| Accounts payable, current | 1,038 | 1,038 | $ 804 | ||
| UPRR | Equity Method Investee | |||||
| Related Party Transaction [Line Items] | |||||
| Equipment and other rents | 118 | $ 115 | 334 | $ 336 | |
| Accounts payable, current | $ 78 | $ 78 | 72 | ||
| UPRR | TTX Company | |||||
| Related Party Transaction [Line Items] | |||||
| Equity method investment, ownership percentage | 37.03% | 37.03% | |||
| Equity method investments | $ 2,000 | $ 2,000 | $ 2,000 | ||
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- Definition Rent paid for freight cars owned by other railroads or private companies, net of rents received, including lease expenses primarily for locomotives, railcars, containers and trailers, office and other rentals. No definition available.
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- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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