Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements and Derivatives (Details)

v3.23.2
Fair Value Measurements and Derivatives (Details)
T in Thousands, $ in Thousands, € in Billions
6 Months Ended
Jun. 30, 2023
USD ($)
T
Jun. 30, 2023
EUR (€)
T
Dec. 31, 2022
USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Fair value of long-term debt $ 12,200,000   $ 11,900,000
Fair value of long-term debt in excess of carrying value $ 1,200,000   $ 2,000,000
Fuel contracts      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Derivative maturing date Dec. 31, 2024    
Fuel contracts | Not Designated as Hedging Instrument      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Derivative maturing date Dec. 31, 2023    
Projected fuel purchases | T 11 11  
Fuel contracts | Designated as Hedging Instrument      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Projected fuel purchases 481    
Foreign currency contracts      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Notional amount of derivatives $ 1,300,000 € 1.2