Changes in Accumulated Other Comprehensive Loss - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Reclassifications out of accumulated other comprehensive loss
Interest expense, net of interest capitalized	$ (352,187)	$ (430,661)	$ (932,552)	$ (1,007,986)
Depreciation and amortization expenses	(355,085)	(325,907)	(1,046,094)	(959,512)
Other income (expense)	780	37,230	4,699	66,771
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income
Reclassifications out of accumulated other comprehensive loss
Total reclassifications for the period	33,653	(6,375)	127,993	(28,197)
Loss on cash flow derivative hedges | Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income
Reclassifications out of accumulated other comprehensive loss
Total reclassifications for the period	34,482	(5,230)	130,480	(24,762)
Loss on cash flow derivative hedges | Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income | Interest rate swaps
Reclassifications out of accumulated other comprehensive loss
Interest expense, net of interest capitalized	(4,197)	(11,418)	(19,782)	(32,376)
Loss on cash flow derivative hedges | Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income | Foreign currency forward contracts
Reclassifications out of accumulated other comprehensive loss
Depreciation and amortization expenses	(4,363)	(3,905)	(12,722)	(11,541)
Other income (expense)	(466)	(505)	(2,155)	(2,311)
Loss on cash flow derivative hedges | Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income | Fuel swaps
Reclassifications out of accumulated other comprehensive loss
Other income (expense)	18	(2)	(336)	(416)
Fuel	43,490	10,600	165,475	21,882
Changes in defined benefit plans | Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income
Reclassifications out of accumulated other comprehensive loss
Payroll and related	(829)	(1,145)	(2,487)	(3,435)
Total reclassifications for the period	$ (829)	$ (1,145)	$ (2,487)	$ (3,435)