Quarterly report [Sections 13 or 15(d)]

Fair Value Measurements and Derivatives (Details)

v3.25.1
Fair Value Measurements and Derivatives (Details)
T in Thousands, $ in Thousands, € in Millions
3 Months Ended
Mar. 31, 2025
USD ($)
T
Mar. 31, 2025
EUR (€)
T
Dec. 31, 2024
USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Fair value of long-term debt $ 13,700,000   $ 12,800,000
Fair value of long-term debt in excess of carrying value $ 600,000    
Fuel contracts      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Derivative maturing date Dec. 31, 2027    
Not Designated as Hedging Instrument | Fuel contracts      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Derivative maturing date Feb. 28, 2026    
Projected fuel purchases | T 47 47  
Designated as Hedging Instrument | Fuel contracts      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Projected fuel purchases 994    
Designated as Hedging Instrument | Foreign exchange      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Notional amount of derivatives $ 767,800 € 709.9