v3.26.1
Debt
6 Months Ended
Jun. 30, 2026
Debt Disclosure [Abstract]  
Debt Debt
Long-term loans, notes and other debt, net of unamortized discount, debt issuance cost and cumulative fair value hedging adjustments, consisted of the following:
Millions of dollarsJune 30,
2026
December 31,
2025
Senior Notes due 2055, $1,000 million, 4.625% ($15 million of discount; $10 million of debt issuance cost)
$975 $975 
Guaranteed Notes due 2027, $300 million, 8.1%
300 300 
Issued by LYB International Finance B.V.:
Guaranteed Notes due 2043, $750 million, 5.25% ($17 million of discount; $6 million of debt issuance cost)
727 727 
Guaranteed Notes due 2044, $1,000 million, 4.875% ($9 million of discount; $8 million of debt issuance cost)
983 983 
Issued by LYB International Finance II B.V.:
Guaranteed Notes due 2026, €500 million, 0.875%
569 585 
Guaranteed Notes due 2027, $1,000 million, 3.5% ($1 million of discount)
589 590 
Guaranteed Notes due 2031, €500 million, 1.625% ($3 million of discount; $2 million of debt issuance cost)
560 577 
Issued by LYB International Finance III LLC:
Guaranteed Notes due 2030, $500 million, 3.375%
144 142 
Guaranteed Notes due 2030, $500 million, 2.25% ($2 million of discount; $2 million of debt issuance cost)
481 481 
Guaranteed Notes due 2031, $500 million, 5.125% ($1 million of discount; $4 million of debt issuance cost)
495 495 
Guaranteed Notes due 2033, $500 million, 5.625% ($4 million of debt issuance cost)
496 496 
Guaranteed Notes due 2034, $750 million, 5.5% ($5 million of discount, $6 million of debt issuance cost)
739 739 
Guaranteed Notes due 2035, $500 million, 6.150% ($1 million of discount, $5 million of debt issuance cost
494 494 
Guaranteed Notes due 2036, $1,000 million, 5.875% ($7 million of discount, $9 million of debt issuance cost
984 984 
Guaranteed Notes due 2040, $750 million, 3.375% ($1 million of discount; $6 million of debt issuance cost)
743 743 
Guaranteed Notes due 2049, $1,000 million, 4.2% ($13 million of discount; $10 million of debt issuance cost)
977 977 
Guaranteed Notes due 2050, $1,000 million, 4.2% ($6 million of discount; $10 million of debt issuance cost)
970 971 
Guaranteed Notes due 2051, $1,000 million, 3.625% ($2 million of discount; $9 million of debt issuance cost)
950 952 
Guaranteed Notes due 2060, $500 million, 3.8% ($4 million of discount; $5 million of debt issuance cost)
485 487 
Other15 14 
Total12,676 12,712 
Less current maturities(1,461)(588)
Long-term debt$11,215 $12,124 
Fair value hedging adjustments associated with the fair value hedge accounting of our fixed-for-floating interest rate swaps for the applicable periods are as follows: 
Gains (Losses)Cumulative Fair Value
Hedging Adjustments Included
in Carrying Amount of Debt
Three Months Ended
June 30,
Six Months Ended
June 30,
June 30,December 31,
Millions of dollars202620252026202520262025
Guaranteed Notes due 2025, 1.25%
$— $(1)$— $(3)$— $— 
Guaranteed Notes due 2026, 0.875%
(1)(1)(1)(1)
Guaranteed Notes due 2027, 3.5%
— (1)(3)— 
Guaranteed Notes due 2030, 3.375%
— (2)— (5)(2)(2)
Guaranteed Notes due 2030, 2.25%
(2)(5)15 14 
Guaranteed Notes due 2031, 1.625%
(1)(1)— 
Guaranteed Notes due 2050, 4.2%
(1)(2)14 13 
Guaranteed Notes due 2051, 3.625%
(9)(23)39 37 
Guaranteed Notes due 2060, 3.8%
(2)(4)
Total$$(20)$$(45)$79 $73 
Fair value adjustments are recognized in Interest expense in the Consolidated Statements of Income.
Long-Term Debt
Senior Revolving Credit Facility—Our $3,750 million senior unsecured revolving credit facility (the “Senior Revolving Credit Facility”), which expires in July 2029, may be used for dollar and euro denominated borrowings. As of June 30, 2026, we had no borrowings or letters of credit outstanding and $3,750 million of unused availability under this facility.

Short-Term Debt
U.S. Receivables Facility—Effective June 2026, we amended the U.S. Receivables Facility to reduce the maximum amount available from $900 million to $700 million and extended the term of the facility to June 2027. As of June 30, 2026, we had no borrowings or letters of credit outstanding and $700 million unused availability under this facility.
Commercial Paper Program—We have a commercial paper program under which we may issue up to $2,500 million of privately placed, unsecured, short-term promissory notes (“commercial paper”). As of June 30, 2026, we had no borrowings of outstanding commercial paper.
Precious Metal Financings—At June 30, 2026 and December 31, 2025, we had $234 million and $226 million, respectively, of Short-term debt related to our precious metal financings.
Weighted Average Interest Rate—As of June 30, 2026 and December 31, 2025, our weighted average interest rate on outstanding Short-term debt was 2.8% and 2.7%, respectively.
Additional Information
Debt Compliance—As of June 30, 2026, we are in compliance with our debt covenants.