Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements and Derivatives - Effects of Cash Flow Hedge Accounting on Consolidated Statements of Operations (Details)

v3.21.2
Fair Value Measurements and Derivatives - Effects of Cash Flow Hedge Accounting on Consolidated Statements of Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Derivative Instruments Gain Loss [Line Items]        
Fuel $ 79,238 $ 48,224 $ 175,931 $ 222,240
Depreciation and amortization 173,289 177,488 517,867 554,937
Interest expense, net 161,205 139,664 1,122,905 323,108
Other income (expense), net 4,720 (23,680) 57,464 (32,275)
Other income (expense), net        
Derivative Instruments Gain Loss [Line Items]        
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (65) (17,434) (11,793) (43,718)
Cash Flow Hedging        
Derivative Instruments Gain Loss [Line Items]        
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (12,948) (36,072) (48,328) (86,853)
Cash Flow Hedging | Fuel        
Derivative Instruments Gain Loss [Line Items]        
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (10,278) (15,091) (27,101) (35,186)
Cash Flow Hedging | Depreciation and amortization        
Derivative Instruments Gain Loss [Line Items]        
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (1,267) (1,267) (3,800) (3,662)
Cash Flow Hedging | Interest expense, net        
Derivative Instruments Gain Loss [Line Items]        
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (1,338) (2,280) (5,634) (4,287)
Cash Flow Hedging | Fuel contracts | Fuel        
Derivative Instruments Gain Loss [Line Items]        
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (10,278) (15,091) (27,101) (35,186)
Cash Flow Hedging | Fuel contracts | Other income (expense), net        
Derivative Instruments Gain Loss [Line Items]        
Amount of gain recognized in income as a result of failing effectiveness tests   5,507   5,507
Cash Flow Hedging | Fuel contracts | Other (Income) Expense, net        
Derivative Instruments Gain Loss [Line Items]        
Amount of gain (loss) reclassified from accumulated other comprehensive income (loss) into income as a result that a forecasted transaction is no longer probable of occurring (65) (17,434) (11,793) (43,718)
Cash Flow Hedging | Foreign currency contracts | Depreciation and amortization        
Derivative Instruments Gain Loss [Line Items]        
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (1,267) (1,267) (3,800) (3,662)
Cash Flow Hedging | Interest rate contracts | Interest expense, net        
Derivative Instruments Gain Loss [Line Items]        
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income $ (1,338) $ (2,280) $ (5,634) $ (4,287)