Changes in Accumulated Other Comprehensive Loss - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Reclassifications out of accumulated other comprehensive loss
Interest expense, net of interest capitalized	$ (340,620)	$ (352,187)	$ (1,055,519)	$ (932,552)
Depreciation and amortization expenses	(365,473)	(355,085)	(1,086,923)	(1,046,094)
Other (expense) income	(7,905)	780	(8,676)	4,699
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	27,057	33,653	12,331	127,993
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	27,057	34,482	13,021	130,480
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	14,951	(4,197)	35,389	(19,782)
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	(4,379)	(4,363)	(13,105)	(12,722)
Other (expense) income	0	(466)	(10,019)	(2,155)
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 (expense) income	0	18	0	(336)
Fuel	16,485	43,490	756	165,475
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	0	(829)	(690)	(2,487)
Total reclassifications for the period	$ 0	$ (829)	$ (690)	$ (2,487)