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Debt (Tables) | 12 Months Ended
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Dec. 31, 2024
Debt Disclosure [Abstract] |
Schedule of debt | Our long-term total debt consisted of the following:
| December 31,
Millions of dollars | 2024 | 2023
5.0% senior notes due November 2045 | $ | 1,887 |  | $ | 1,911 |
2.92% senior notes due March 2030 | 1,000 |  | 1,000 |
4.85% senior notes due November 2035 | 997 |  | 1,000 |
7.45% senior notes due September 2039 | 938 |  | 946 |
4.75% senior notes due August 2043 | 846 |  | 879 |
6.7% senior notes due September 2038 | 763 |  | 763 |
4.5% senior notes due November 2041 | 469 |  | 500 |
7.6% senior debentures due August 2096 | 226 |  | 228 |
6.75% notes due February 2027 | 90 |  | 90 |
3.8% senior notes due November 2025 | — |  | 382 |
Other | 6 |  | 5 |
Unamortized debt issuance costs and discounts | (62) |  | (68) |
Total long-term debt | $ | 7,160 |  | $ | 7,636 |
Short-term borrowings and current maturities of long-term debt, net | 381 |  | — |
Total debt | $ | 7,541 |  | $ | 7,636 |
Schedule of Repurchase Agreements | Our total debt repurchases consisted of the following:
| December 31,
Millions of dollars | 2024 | 2023
4.75% senior notes due August 2043 | $ | 32 |  | $ | 21 |
4.5% senior notes due November 2041 | 31 |  | — |
5.0% senior notes due November 2045 | 24 |  | 90 |
7.45% senior notes due September 2039 | 8 |  | 54 |
4.85% senior notes due November 2035 | 3 |  | — |
7.6% senior debentures due August 2096 | 2 |  | 66 |
6.7% senior notes due September 2038 | — |  | 37 |
3.8% senior notes due November 2025 | — |  | 18 |
6.75% notes due February 2027 | — |  | 14 |
Total Repurchases | $ | 100 |  | $ | 300 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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