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Other Financial Information | 12 Months Ended
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Dec. 31, 2023
Other Financial Information [Abstract] |
Other Financial Information | Note M – Other Financial Information GAIN FROM FOREIGN CURRENCY TRANSACTIONS – Net gains (losses) from foreign currency transactions, including the effects of foreign currency contracts, included in the Consolidated Statements of Operations were $10.8 million loss in 2023, $23.0 million gain in 2022 and $1.0 million gain in 2021. Noncash operating working capital (increased) decreased during each of the three years presented as shown in the following table.
(Thousands of dollars) | 2023 |  | 2022 |  | 2021
Net (increase) decrease in operating working capital, excluding cash and cash equivalents: |  |  |  |  |
(Increase) decrease in accounts receivable | $ | 47,151 |  |  | $ | (137,228) |  |  | $ | 8,056 |
(Increase) decrease in inventories | 329 |  |  | (1,534) |  |  | 12,809 |
(Increase) decrease in prepaid expenses | (1,293) |  |  | (3,413) |  |  | 2,003 |
Increase (decrease) in accounts payable and accrued liabilities ¹ | (140,011) |  |  | 69,854 |  |  | 95,166 |
Increase (decrease) in income taxes payable | (5,537) |  |  | 6,593 |  |  | 423 |
Net (increase) decrease in noncash operating working capital | $ | (99,361) |  |  | $ | (65,728) |  |  | $ | 118,457 |
Supplementary disclosures: |  |  |  |  |
Cash income taxes paid, net of refunds | $ | 12,356 |  |  | $ | 24,853 |  |  | $ | 2,138 |
Interest paid, net of amounts capitalized of $14.5 million in 2023, $16.3 million in 2022 and $16.1 million in 2021 | 108,912 |  |  | 149,957 |  |  | 165,699 |
Non-cash investing activities: |  |  |  |  |
Asset retirement costs capitalized | $ | 32,975 |  |  | $ | (21,147) |  |  | $ | 54,439 |
(Increase) decrease in capital expenditure accrual | 17,517 |  |  | (31,397) |  |  | 9,788 |
1 Excludes receivable/payable balances relating to mark-to-market of crude contracts.

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- Definition The entire disclosures of supplemental information, including descriptions and amounts, related to the balance sheet, income statement, and/or cash flow statement. + References No definition available. + Details
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