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Interest expense
12 Months Ended
Dec. 31, 2024
Borrowing costs [abstract]  
Interest expense Interest expense
For the year ended December 31 2024 2023
Interest expense on long-term debt (1,623) (1,391)
Interest expense on other debt (233) (219)
Capitalized interest 143  135 
Total interest expense (1,713) (1,475)
Included in interest expense on long-term debt is interest on lease liabilities of $218 million and $193 million for 2024 and 2023, respectively.
Capitalized interest was calculated using an average rate of 4.50% and 4.31% for 2024 and 2023, respectively, which represents the weighted average interest rate on our outstanding long-term debt.