| Debt Outstanding and Debt Activity Tables |
The following table presents the outstanding debt: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2024 | | December 31, 2023 | | thousands | | Principal | | Carrying Value | | Fair Value (1) | | Principal | | Carrying Value | | Fair Value (1) | Short-term debt | | | | | | | | | | | | | | | | | | | | | | | | | | | Commercial paper | | $ | — | | | $ | — | | | $ | — | | | $ | 613,885 | | | $ | 610,312 | | | $ | 610,312 | | 3.100% Senior Notes due 2025 | | 663,831 | | | 663,727 | | | 662,457 | | | — | | | — | | | — | | 3.950% Senior Notes due 2025 | | 336,758 | | | 336,349 | | | 335,209 | | | — | | | — | | | — | | | Finance lease liabilities | | 10,956 | | | 10,956 | | | 10,956 | | | 7,436 | | | 7,436 | | | 7,436 | | Total short-term debt | | $ | 1,011,545 | | | $ | 1,011,032 | | | $ | 1,008,622 | | | $ | 621,321 | | | $ | 617,748 | | | $ | 617,748 | | | | | | | | | | | | | | | Long-term debt | | | | | | | | | | | | | 3.100% Senior Notes due 2025 | | $ | — | | | $ | — | | | $ | — | | | $ | 666,481 | | | $ | 665,145 | | | $ | 650,765 | | 3.950% Senior Notes due 2025 | | — | | | — | | | — | | | 349,163 | | | 347,938 | | | 341,415 | | 4.650% Senior Notes due 2026 | | 440,505 | | | 439,637 | | | 438,699 | | | 467,204 | | | 465,705 | | | 459,617 | | 4.500% Senior Notes due 2028 | | 342,935 | | | 341,123 | | | 336,207 | | | 357,094 | | | 354,665 | | | 346,121 | | 4.750% Senior Notes due 2028 | | 336,260 | | | 334,753 | | | 330,483 | | | 382,888 | | | 380,747 | | | 374,767 | | 6.350% Senior Notes due 2029 | | 600,000 | | | 594,270 | | | 621,936 | | | 600,000 | | | 593,069 | | | 626,994 | | 4.050% Senior Notes due 2030 | | 1,057,134 | | | 1,051,440 | | | 992,321 | | | 1,104,593 | | | 1,097,609 | | | 1,036,097 | | 6.150% Senior Notes due 2033 | | 750,000 | | | 741,857 | | | 764,760 | | | 750,000 | | | 741,125 | | | 780,203 | | 5.450% Senior Notes due 2034 | | 800,000 | | | 790,511 | | | 772,536 | | | — | | | — | | | — | | 5.450% Senior Notes due 2044 | | 600,000 | | | 594,192 | | | 534,096 | | | 600,000 | | | 594,031 | | | 545,154 | | 5.300% Senior Notes due 2048 | | 700,000 | | | 687,990 | | | 595,826 | | | 700,000 | | | 687,735 | | | 614,082 | | 5.500% Senior Notes due 2048 | | 350,000 | | | 343,051 | | | 304,003 | | | 350,000 | | | 342,913 | | | 312,365 | | 5.250% Senior Notes due 2050 | | 1,000,000 | | | 984,494 | | | 857,260 | | | 1,000,000 | | | 984,206 | | | 895,440 | | | | | | | | | | | | | | | | Finance lease liabilities | | 23,329 | | | 23,329 | | | 23,329 | | | 28,668 | | | 28,668 | | | 28,668 | | Total long-term debt | | $ | 7,000,163 | | | $ | 6,926,647 | | | $ | 6,571,456 | | | $ | 7,356,091 | | | $ | 7,283,556 | | | $ | 7,011,688 | | | | | | | | | | | | | | | | | | | | | | | | | | | |
_________________________________________________________________________________________ (1)Fair value is measured using the market approach and Level-2 fair value inputs. 13. DEBT AND INTEREST EXPENSE
Debt activity. The following table summarizes debt activity for the periods presented: | | | | | | | | | | thousands | | Carrying Value | | Balance at December 31, 2022 | | $ | 6,785,362 | | | RCF borrowings | | 1,120,000 | | Commercial paper borrowings (1) | | 610,312 | | | Repayments of RCF borrowings | | (1,495,000) | | Issuance of 6.350% Senior Notes due 2029 | | 600,000 | | Issuance of 6.150% Senior Notes due 2033 | | 750,000 | | | Repayment of Floating-Rate Senior Notes due 2023 | | (213,138) | | Repayment of 3.100% Senior Notes due 2025 | | (64,225) | | Repayment of 3.950% Senior Notes due 2025 | | (50,000) | | Repayment of 4.650% Senior Notes due 2026 | | (7,038) | | Repayment of 4.500% Senior Notes due 2028 | | (42,906) | | Repayment of 4.750% Senior Notes due 2028 | | (17,112) | | Repayment of 4.050% Senior Notes due 2030 | | (95,407) | | | Finance lease liabilities | | 29,285 | | | Other | | (8,829) | | | Balance at December 31, 2023 | | $ | 7,901,304 | | | | | Commercial paper borrowings (repayments), net (1) | | (610,312) | | | | | | | | | | | Issuance of 5.450% Senior Notes due 2034 | | 800,000 | | Repayment of 3.100% Senior Notes due 2025 | | (2,650) | | Repayment of 3.950% Senior Notes due 2025 | | (12,405) | | Repayment of 4.650% Senior Notes due 2026 | | (26,699) | | Repayment of 4.500% Senior Notes due 2028 | | (14,159) | | Repayment of 4.750% Senior Notes due 2028 | | (46,628) | | Repayment of 4.050% Senior Notes due 2030 | | (47,459) | | | Finance lease liabilities | | (1,819) | | | Other | | (1,494) | | | Balance at December 31, 2024 | | $ | 7,937,679 | |
________________________________________________________________________________________ (1)Net of borrowings and repayments related to commercial paper notes with original maturities of 90 days or less. |