Debt
Our long-term total debt consisted of the following:
December 31,
Millions of dollars
2025
2024
5.0% senior notes due November 2045
$1,887
$1,887
2.92% senior notes due March 2030
1,000
1,000
4.85% senior notes due November 2035
997
997
7.45% senior notes due September 2039
938
938
4.75% senior notes due August 2043
846
846
6.7% senior notes due September 2038
763
763
4.5% senior notes due November 2041
469
469
7.6% senior debentures due August 2096
226
226
6.75% senior notes due February 2027
90
90
Other
6
6
Unamortized debt issuance costs and discounts
(64)
(62)
Total long-term debt
$7,158
$7,160
Short-term borrowings and current maturities of long-term debt
381
Total debt
$7,158
$7,541
There were no short-term borrowings and current maturities of long-term debt as of December 31, 2025. There were
no short-term borrowings and $381 million of current maturities of long-term debt as of December 31, 2024.
Senior debt
We may redeem all of our senior notes from time to time or all of the notes of each series at any time at the applicable
redemption prices, plus accrued and unpaid interest. Our 6.75% senior notes due February 2027 and 7.6% senior debentures due
August 2096 may not be redeemed prior to maturity.
Repurchases of senior debt
Our total debt repurchases consisted of the following:
December 31,
Millions of dollars
2025
2024
4.75% senior notes due August 2043
$
$32
4.5% senior notes due November 2041
31
5.0% senior notes due November 2045
24
7.45% senior notes due September 2039
8
4.85% senior notes due November 2035
3
7.6% senior debentures due August 2096
2
Total Repurchases
$
$100
For the year ended December 31, 2024, we used cash on hand to fund these repurchases, which included the principal
amount, a net premium or discount, and accrued interest. The remaining principal balance of these instruments of $5.4 billion in
the aggregate remains outstanding as of December 31, 2025.
Redemption of 3.8% senior notes due November 2025
In November 2025, we retired the remaining $382 million principal amount of our 3.8% senior notes at their scheduled
maturity using cash on hand.
Revolving credit facilities
On August 18, 2025, we entered into a new $3.5 billion five-year revolving facility, which replaced our $3.5 billion
revolving credit facility established in April 2022. The revolving credit facility is for general working capital purposes and
expires on August 16, 2030. The full amount of the revolving credit facility was available as of December 31, 2025.
Debt maturities
Our debt matures as follows: no amounts in 2026, $90 million in 2027, no amounts in 2028 and 2029, $1.0 billion in
2030, and the remainder thereafter.

Historical Timeline

Fiscal YearFiled
2025Feb 6, 2026Showing above
2024Feb 12, 2025
2023Feb 6, 2024
2019Feb 11, 2020
2018Feb 13, 2019
2017Feb 9, 2018
2016Feb 7, 2017
2015Feb 5, 2016

About Debt Disclosures

Debt disclosures detail a company's borrowing structure — the types of instruments, interest rates, maturity schedule, and covenant restrictions that define its financial obligations and flexibility. This section is essential for assessing refinancing risk, interest rate exposure, and the margin of safety against financial distress.

Key signals: the maturity schedule reveals concentration risk — large maturities within 1-2 years during tight credit markets can force dilutive refinancing or asset sales. Compare the fair value of debt against carrying amount to gauge whether the market views the company's credit risk differently than the balance sheet suggests. Watch covenant compliance disclosures for tightening cushions, especially leverage and interest coverage ratios. Variable-rate debt exposure quantifies sensitivity to interest rate changes. Secured versus unsecured mix affects recovery rates and future borrowing capacity. Compare net debt-to-EBITDA against industry peers and covenant limits to assess financial health.