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Accounts Payable And Other Current Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Accounts Payable and Other Current Liabilities Details [Abstract]
Income and other taxes payable	$ 974	$ 635
Accounts payable	634	612
Accrued wages and vacation	345	340
Current liabilities operating leases	294	321
Interest payable	205	326
Accrued casualty costs	177	177
Equipment rents payable	101	101
Other	576	592
Total accounts payable and other current liabilities	$ 3,306	$ 3,104

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- Definition

Costs accrued as of the balance sheet date for liabilities incurred (and for which invoices have typically been received) and payable to vendors for rent for freight cars owned by other railroads or private companies including lease expenses primarily for railcars, containers and trailers. 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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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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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).

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

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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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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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).

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