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Note 11 - Accounts Payable and Other Current Liabilities - Schedule of Accounts Payable and Other Current Liabilities (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Income and other taxes payable | $ 1,178 | $ 823
Accounts payable | 868 | 752
Accrued wages and vacation | 355 | 352
Interest payable | 237 | 330
Accrued casualty costs | 202 | 187
Other | 662 | 706
Total accounts payable and other current liabilities | 3,903 | 3,578
Equipment [Member] |  |
Equipment rents payable | 96 | 98
Accounts payable and Other Current Liabilities [Member] |  |
Current operating lease liabilities | $ 305 | $ 330

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