Debt |
The following table sets forth our consolidated debt for the periods indicated: | | | | | | | | | | | | | | | | | December 31, 2021 | | December 31, 2020 | | | (Thousands of dollars) | Commercial paper outstanding | $ | — | | | $ | — | | Senior unsecured obligations: | | | | | | | | | | $700,000 at 4.25% due February 2022 | | — | | | 541,877 | | $900,000 at 3.375% due October 2022 | | 895,814 | | | 895,814 | | $425,000 at 5.0% due September 2023 | | 425,000 | | | 425,000 | | $500,000 at 7.5% due September 2023 | | 500,000 | | | 500,000 | | $500,000 at 2.75% due September 2024 | | 500,000 | | | 500,000 | | $500,000 at 4.9% due March 2025 | | 500,000 | | | 500,000 | | $400,000 at 2.2% due September 2025 | | 387,000 | | | 387,000 | | $600,000 at 5.85% due January 2026 | | 600,000 | | | 600,000 | | $500,000 at 4.0% due July 2027 | | 500,000 | | | 500,000 | | $800,000 at 4.55% due July 2028 | | 800,000 | | | 800,000 | | $100,000 at 6.875% due September 2028 | | 100,000 | | | 100,000 | | $700,000 at 4.35% due March 2029 | | 700,000 | | | 700,000 | | $750,000 at 3.4% due September 2029 | | 714,251 | | | 714,251 | | $850,000 at 3.1% due March 2030 | | 780,093 | | | 780,093 | | $600,000 at 6.35% due January 2031 | | 600,000 | | | 600,000 | | $400,000 at 6.0% due June 2035 | | 400,000 | | | 400,000 | | $600,000 at 6.65% due October 2036 | | 600,000 | | | 600,000 | | $600,000 at 6.85% due October 2037 | | 600,000 | | | 600,000 | | $650,000 at 6.125% due February 2041 | | 650,000 | | | 650,000 | | $400,000 at 6.2% due September 2043 | | 400,000 | | | 400,000 | | $700,000 at 4.95% due July 2047 | | 689,006 | | | 689,006 | | $1,000,000 at 5.2% due July 2048 | | 1,000,000 | | | 1,000,000 | | $750,000 at 4.45% due September 2049 | | 672,530 | | | 713,676 | | $500,000 at 4.5% due March 2050 | | 443,015 | | | 451,270 | | $300,000 at 7.15% due January 2051 | | 300,000 | | | 300,000 | | Guardian Pipeline | | | | | Weighted average 7.85% due December 2022 | | — | | | 13,657 | | Total debt | | 13,756,709 | | | 14,361,644 | | Unamortized portion of terminated swaps | | 11,596 | | | 13,314 | | Unamortized debt issuance costs and discounts | | (124,855) | | | (138,887) | | Current maturities of long-term debt | | (895,814) | | | (7,650) | | Short-term borrowings (a) | | — | | | — | | Long-term debt | | $ | 12,747,636 | | | $ | 14,228,421 | |
(a) - Individual issuances of commercial paper under our commercial paper program generally mature in 90 days or less.
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