Changes in Accumulated Other Comprehensive Loss - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Reclassifications out of accumulated other comprehensive loss
Interest expense, net of interest capitalized	$ (355,512)	$ (302,706)	$ (714,899)	$ (580,365)
Depreciation and amortization expenses	(361,677)	(351,542)	(721,450)	(691,009)
Other (expense) income	(5,386)	6,457	(771)	3,919
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	(15,803)	66,349	(14,728)	94,340
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	(15,458)	67,279	(14,038)	95,998
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	10,491	(5,152)	20,439	(15,585)
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)	(4,294)	(8,726)	(8,359)
Other (expense) income	(9,518)	(471)	(10,019)	(1,689)
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	15	0	(354)
Fuel	(12,068)	77,181	(15,732)	121,985
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	(345)	(930)	(690)	(1,658)
Total reclassifications for the period	$ (345)	$ (930)	$ (690)	$ (1,658)