CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Total revenues	$ 50,914	$ 175,605	$ 92,928	$ 2,208,355
Cruise operating expenses:
Total cruise operating expenses	424,830	680,420	708,317	2,191,239
Marketing, selling and administrative expenses	285,558	301,418	543,599	697,308
Depreciation and amortization expenses	323,439	319,757	633,605	644,087
Impairment and credit losses	40,621	156,497	40,172	1,264,615
Operating Loss	(1,023,534)	(1,282,487)	(1,832,765)	(2,588,894)
Other income (expense):
Interest income	4,670	5,206	9,531	10,740
Interest expense, net of interest capitalized	(304,811)	(218,889)	(577,325)	(311,800)
Equity investment loss	(48,088)	(51,853)	(107,959)	(62,245)
Other income (expense)	24,508	(83,825)	29,541	(116,684)
Total other income (expense)	(323,721)	(349,361)	(646,212)	(479,989)
Net Loss	(1,347,255)	(1,631,848)	(2,478,977)	(3,068,883)
Less: Net Income attributable to noncontrolling interest	0	7,444	0	14,888
Net Loss attributable to Royal Caribbean Cruises Ltd.	$ (1,347,255)	$ (1,639,292)	$ (2,478,977)	$ (3,083,771)
Loss per Share:
Basic (in dollars per share)	$ (5.29)	$ (7.83)	$ (9.96)	$ (14.74)
Diluted (in dollars per share)	$ (5.29)	$ (7.83)	$ (9.96)	$ (14.74)
Weighted-Average Shares Outstanding:
Basic (in shares)	254,577	209,385	248,823	209,241
Diluted (in shares)	254,577	209,385	248,823	209,241
Comprehensive Loss
Net Loss	$ (1,347,255)	$ (1,631,848)	$ (2,478,977)	$ (3,068,883)
Other comprehensive income (loss):
Foreign currency translation adjustments	(3,489)	26,337	6,233	36,627
Change in defined benefit plans	(3,088)	(6,278)	7,375	(13,867)
Gain on cash flow derivative hedges	51,476	124,331	61,778	(176,274)
Total other comprehensive income	44,899	144,390	75,386	(153,514)
Comprehensive Loss	(1,302,356)	(1,487,458)	(2,403,591)	(3,222,397)
Less: Comprehensive Income attributable to noncontrolling interest	0	7,444	0	14,888
Comprehensive Loss attributable to Royal Caribbean Cruises Ltd.	(1,302,356)	(1,494,902)	(2,403,591)	(3,237,285)
Passenger ticket revenues
Total revenues	22,785	107,022	43,629	1,483,873
Onboard and other revenues
Total revenues	28,129	68,583	49,299	724,482
Cruise operating expenses:
Total cruise operating expenses	8,598	21,579	13,079	145,297
Commissions, transportation and other
Cruise operating expenses:
Total cruise operating expenses	5,188	28,824	8,137	345,953
Payroll and related
Cruise operating expenses:
Total cruise operating expenses	167,640	243,877	264,276	574,267
Food
Cruise operating expenses:
Total cruise operating expenses	17,196	27,483	25,668	148,799
Fuel
Cruise operating expenses:
Total cruise operating expenses	59,109	79,192	100,931	273,460
Other operating
Cruise operating expenses:
Total cruise operating expenses	$ 167,099	$ 279,465	$ 296,226	$ 703,463