Accounts Payable and Other Current Liabilities - Schedule of Accounts Payable and Other Current Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Payables and Accruals [Abstract]
Income and other taxes payable	$ 982	$ 605
Accounts payable	898	847
Compensation-related accruals	510	618
Accrued casualty costs	338	319
Current operating lease liabilities	304	346
Interest payable	248	372
Equipment rents payable	109	109
Other	606	613
Total accounts payable and other current liabilities	$ 3,995	$ 3,829

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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-Topic 210
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
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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).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Topic 852
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- Definition

Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for contractual rent under lease arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.5-02(20))
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-Topic 210
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-Paragraph 8
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-Publisher FASB
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- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

+ References

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-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
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-Paragraph 1
-Publisher FASB
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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (b)
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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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No definition available.

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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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