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Other Financial Information | 12 Months Ended
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Dec. 31, 2022
Other Financial Information [Abstract] |
Other Financial Information | Note N – 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 $23.0 million in 2022, $1.0 million in 2021 and $(0.9) million in 2020. Noncash operating working capital (increased) decreased during each of the three years ended December 31, 2022 as shown in the following table.
(Thousands of dollars) | 2022 |  | 2021 |  | 2020
Net (increase) decrease in operating working capital, excluding cash and cash equivalents: |  |  |  |  |
(Increase) decrease in accounts receivable ¹ | $ | (137,228) |  |  | $ | 8,056 |  |  | $ | 164,613 |
(Increase) decrease in inventories | (1,534) |  |  | 12,809 |  |  | 5,953 |
(Increase) decrease in prepaid expenses | (3,413) |  |  | 2,003 |  |  | 7,178 |
Increase (decrease) in accounts payable and accrued liabilities ¹ | 69,854 |  |  | 95,166 |  |  | (208,740) |
Increase (decrease) in income taxes payable | 6,593 |  |  | 423 |  |  | (1,031) |
Net (increase) decrease in noncash operating working capital | $ | (65,728) |  |  | $ | 118,457 |  |  | $ | (32,027) |
Supplementary disclosures: |  |  |  |  |
Cash income taxes paid, net of refunds | $ | 24,853 |  |  | $ | 2,138 |  |  | $ | (44,175) |
Interest paid, net of amounts capitalized of $16.3 million in 2022, $16.1 million in 2021 and $8.0 million in 2020 | 149,957 |  |  | 165,699 |  |  | 191,561 |
Non-cash investing activities: |  |  |  |  |
Asset retirement costs capitalized | $ | (21,147) |  |  | $ | 54,439 |  |  | $ | 14,736 |
(Increase) decrease in capital expenditure accrual | (31,397) |  |  | 9,788 |  |  | 84,645 |
1 Excludes receivable/payable balances relating to mark-to-market of crude contracts.

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