CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Total revenues	$ 3,186,850	$ 2,796,187	$ 8,433,248	$ 7,161,548
Cruise operating expenses:
Total cruise operating expenses	1,623,038	1,411,364	4,581,246	3,901,794
Marketing, selling and administrative expenses	352,725	325,167	1,144,546	975,451
Depreciation and amortization expenses	320,295	259,923	924,180	753,529
Operating Income	890,792	799,733	1,783,276	1,530,774
Other income (expense):
Interest income	5,625	5,831	21,751	26,662
Interest expense, net of interest capitalized	(102,038)	(86,510)	(313,757)	(236,252)
Equity investment income	103,654	95,169	170,393	168,232
Other expense	(7,668)	(3,832)	(34,537)	5,923
Total other income (expense)	(427)	10,658	(156,150)	(35,435)
Net Income	890,365	810,391	1,627,126	1,495,339
Less: Net Income attributable to noncontrolling interest	7,125	0	21,375	0
Net Income attributable to Royal Caribbean Cruises Ltd.	$ 883,240	$ 810,391	$ 1,605,751	$ 1,495,339
Earnings per Share:
Basic (in dollars per share)	$ 4.21	$ 3.88	$ 7.67	$ 7.08
Diluted (in dollars per share)	$ 4.20	$ 3.86	$ 7.65	$ 7.05
Weighted-Average Shares Outstanding:
Basic (in shares)	209,575	209,054	209,477	211,099
Diluted (in shares)	210,121	209,928	210,032	211,973
Other comprehensive income (loss):
Foreign currency translation adjustments	$ (15,510)	$ (3,479)	$ (7,683)	$ (13,840)
Change in defined benefit plans	(12,456)	1,153	(22,831)	6,949
(Loss) gain on cash flow derivative hedges	(265,224)	36,946	(288,115)	110,576
Total other comprehensive (loss) income	(293,190)	34,620	(318,629)	103,685
Comprehensive Income	597,175	845,011	1,308,497	1,599,024
Less: Comprehensive Income attributable to noncontrolling interest	7,125	0	21,375	0
Comprehensive Income attributable to Royal Caribbean Cruises Ltd.	590,050	845,011	1,287,122	1,599,024
Passenger ticket revenues
Total revenues	2,344,779	2,042,911	6,072,599	5,141,125
Onboard and other revenues
Total revenues	842,071	753,276	2,360,649	2,020,423
Cruise operating expenses:
Total cruise operating expenses	200,656	171,028	510,255	412,805
Commissions, transportation and other
Cruise operating expenses:
Total cruise operating expenses	488,921	430,039	1,279,010	1,078,953
Payroll and related
Cruise operating expenses:
Total cruise operating expenses	263,993	221,205	799,094	674,676
Food
Cruise operating expenses:
Total cruise operating expenses	149,621	133,324	436,002	381,349
Fuel
Cruise operating expenses:
Total cruise operating expenses	177,677	182,415	519,772	515,065
Other operating
Cruise operating expenses:
Total cruise operating expenses	$ 342,170	$ 273,353	$ 1,037,113	$ 838,946