Commitments and Contingencies (Narrative) (Details)	1 Months Ended				12 Months Ended
	Sep. 30, 2021 EUR (€) berth	Dec. 31, 2019	Sep. 30, 2019 agreement	Aug. 31, 2019 lawsuit	Dec. 31, 2021 USD ($) ship berth	Dec. 31, 2017 EUR (€) ship	Dec. 31, 2021 EUR (€) ship berth	Dec. 31, 2020
Commitments and Contingencies
Approximate berths					47,260		47,260
Aggregate cost of ships expected to enter service | $					$ 12,400,000,000
Deposit for the purchase of ships expected to enter service | $					$ 800,200,000
Percentage of aggregate cost exposed to fluctuations in the euro exchange rate					59.00%		59.00%	66.30%
Number of claims filed | lawsuit				2
Icon-class ships
Commitments and Contingencies
Number of ships under construction | ship						2
Icon of the Seas
Commitments and Contingencies
Approximate berths					5,600		5,600
Icon Class, Unnamed Ship Two
Commitments and Contingencies
Approximate berths					5,600		5,600
Third and Fourth Edge Class Ships and Fifth Oasis Class Ship
Commitments and Contingencies
Bank financing commitment percentage						80.00%
Third Edge Class Ship
Commitments and Contingencies
Approximate berths					3,250		3,250
Fourth Edge Class Ship
Commitments and Contingencies
Approximate berths					3,250		3,250
Fifth Oasis Class Ship
Commitments and Contingencies
Approximate berths					5,700		5,700
Credit agreement
Commitments and Contingencies
Number of months considered to determine requirement of prepayment of debts					24 months
Sixth Oasis Class Ship Term Loan | Sixth Oasis Class Ship
Commitments and Contingencies
Bank financing commitment percentage		80.00%
Third Icon Class Ship Term Loan | Third Icon Class Ship
Commitments and Contingencies
Bank financing commitment percentage		80.00%
Royal Caribbean International | Sixth Oasis Class Ship
Commitments and Contingencies
Approximate berths					5,700		5,700
Royal Caribbean International | Third Icon Class Ship
Commitments and Contingencies
Approximate berths					5,600		5,600
Royal Caribbean International | Cruise ships on order | Oasis-class ship
Commitments and Contingencies
Number of ships under construction | ship					2		2
Royal Caribbean International | Cruise ships on order | Icon-class ships
Commitments and Contingencies
Number of ships under construction | ship					3		3
Approximate berths					28,200		28,200
Royal Caribbean International | Cruise ships on order | Silversea Cruises (1)
Commitments and Contingencies
Number of ships under construction | ship					2		2
Approximate berths					1,460		1,460
Celebrity Cruise Ships | Cruise ships on order | Three project edge class ships
Commitments and Contingencies
Number of ships under construction | ship					2		2
Approximate berths					6,500		6,500
Silversea Cruises (1) | Silver Nova
Commitments and Contingencies
Approximate berths					730		730
Silversea Cruises (1) | Evolution Class, Unnamed Ship Two
Commitments and Contingencies
Approximate berths					730		730
Euler Hermes | Third Icon Class Ship
Commitments and Contingencies
Percentage of unsecured term loan guaranteed by an export credit agency		95.00%
BpiFAE | Sixth Oasis Class Ship
Commitments and Contingencies
Percentage of unsecured term loan guaranteed by an export credit agency		100.00%
BpiFAE | Third and Fourth Edge Class Ships and Fifth Oasis Class Ship
Commitments and Contingencies
Percentage of unsecured term loan guaranteed by an export credit agency						100.00%
Finnvera | Third Icon Class Ship
Commitments and Contingencies
Percentage of unsecured term loan guaranteed by an export credit agency		95.00%
Finnvera | Icon of the Seas
Commitments and Contingencies
Percentage of unsecured term loan guaranteed by an export credit agency						100.00%
Minimum | Credit agreement
Commitments and Contingencies
Debt instrument covenant, minimum percentage of ownership by a person					50.00%		50.00%
Minimum | Debt Securities
Commitments and Contingencies
Debt instrument covenant, minimum percentage of ownership by a person					50.00%		50.00%
Unsecured term loans | Silver Nova
Commitments and Contingencies
Approximate berths	730
Unsecured term loans | Evolution Class, Unnamed Ship Two
Commitments and Contingencies
Approximate berths	730
Unsecured term loans | Credit agreement
Commitments and Contingencies
Increase in credit agreements	€ 175,600,000				$ 199,700,000
Unsecured term loans | Evolution Class, Ship One Credit Agreement
Commitments and Contingencies
Long term debt, stated interest rate (as a percent)	4.34%
Unsecured term loans | Evolution Class Ship Two Credit Agreement
Commitments and Contingencies
Long term debt, stated interest rate (as a percent)	4.38%
Unsecured term loans | Sixth Oasis Class Ship Term Loan | Sixth Oasis Class Ship
Commitments and Contingencies
Unsecured term loan, construction financing commitment per ship					$ 1,500,000,000		€ 1,300,000,000
Unsecured term loan, amortization period					12 years
Long term debt, stated interest rate (as a percent)					3.00%		3.00%
Unsecured term loans | Third Icon Class Ship Term Loan | Third Icon Class Ship
Commitments and Contingencies
Unsecured term loan, construction financing commitment per ship					$ 1,600,000,000		€ 1,400,000,000
Unsecured term loan, amortization period					12 years
Long term debt, stated interest rate (as a percent)					3.29%		3.29%
Percentage of debt bearing fixed interest					60.00%		60.00%
Unsecured term loans | Icon Class, Ship One Credit Agreement | Icon of the Seas
Commitments and Contingencies
Bank financing commitment percentage						80.00%
Unsecured term loan, amortization period					12 years
Long term debt, stated interest rate (as a percent)					3.56%		3.56%
Percentage of debt bearing fixed interest					75.00%		75.00%
Maximum borrowing capacity					$ 1,600,000,000		€ 1,400,000,000
Unsecured term loans | Icon Class, Ship Two Credit Agreement | Icon Class, Unnamed Ship Two
Commitments and Contingencies
Bank financing commitment percentage						80.00%
Unsecured term loan, amortization period					12 years
Long term debt, stated interest rate (as a percent)					3.76%		3.76%
Percentage of debt bearing fixed interest					75.00%		75.00%
Maximum borrowing capacity					$ 1,600,000,000		€ 1,400,000,000
Unsecured term loans | Third and Fourth Edge-class ships and Fifth Oasis-class ship
Commitments and Contingencies
Unsecured term loan, amortization period					12 years
Unsecured term loans | Third and Fourth Edge-class ships and Fifth Oasis-class ship | Third Edge Class Ship
Commitments and Contingencies
Long term debt, stated interest rate (as a percent)					1.28%		1.28%
Maximum borrowing capacity | €						€ 684,200,000
Unsecured term loans | Third and Fourth Edge-class ships and Fifth Oasis-class ship | Fourth Edge Class Ship
Commitments and Contingencies
Long term debt, stated interest rate (as a percent)					3.18%		3.18%
Maximum borrowing capacity					$ 812,700,000		€ 714,600,000
Unsecured term loans | Third and Fourth Edge-class ships and Fifth Oasis-class ship | Fifth Oasis Class Ship
Commitments and Contingencies
Long term debt, stated interest rate (as a percent)					3.18%		3.18%
Maximum borrowing capacity					$ 1,300,000,000		€ 1,100,000,000
Unsecured term loans | LIBOR | Evolution Class, Ship One Credit Agreement
Commitments and Contingencies
Margin on floating rate base (as a percent)	0.99%
Unsecured term loans | LIBOR | Evolution Class Ship Two Credit Agreement
Commitments and Contingencies
Margin on floating rate base (as a percent)	1.03%
Unsecured term loans | LIBOR | Third Icon Class Ship Term Loan | Third Icon Class Ship
Commitments and Contingencies
Margin on floating rate base (as a percent)					0.85%
Unsecured term loans | Silversea Cruises (1) | Credit agreement
Commitments and Contingencies
Number of credit agreements | agreement			2
Unsecured term loans | Silversea Cruises (1) | Evolution Class, Ship One Credit Agreement | Silver Nova
Commitments and Contingencies
Bank financing commitment percentage			80.00%
Unsecured term loan, construction financing commitment per ship					$ 399,900,000		€ 351,600,000
Unsecured term loan, amortization period					12 years
Long term debt, stated interest rate (as a percent)					4.14%		4.14%
Unsecured term loans | Silversea Cruises (1) | Evolution Class Ship Two Credit Agreement | Evolution Class, Unnamed Ship Two
Commitments and Contingencies
Bank financing commitment percentage			80.00%
Unsecured term loan, construction financing commitment per ship					$ 408,300,000		€ 359,000,000.0
Unsecured term loan, amortization period					12 years
Long term debt, stated interest rate (as a percent)					4.18%		4.18%
Unsecured term loans | Silversea Cruises (1) | LIBOR | Evolution Class, Ship One Credit Agreement | Silver Nova
Commitments and Contingencies
Margin on floating rate base (as a percent)					0.79%
Unsecured term loans | Silversea Cruises (1) | LIBOR | Evolution Class Ship Two Credit Agreement | Evolution Class, Unnamed Ship Two
Commitments and Contingencies
Margin on floating rate base (as a percent)					0.83%
Unsecured term loans | Euler Hermes
Commitments and Contingencies
Percentage of unsecured term loan guaranteed by an export credit agency			95.00%			95.00%
Unsecured term loans | Minimum
Commitments and Contingencies
Long term debt, stated interest rate (as a percent)					2.53%		2.53%
Unsecured term loans | Minimum | LIBOR | Icon Class, Ship One Credit Agreement | Icon of the Seas
Commitments and Contingencies
Margin on floating rate base (as a percent)					1.10%
Unsecured term loans | Minimum | LIBOR | Icon Class, Ship Two Credit Agreement | Icon Class, Unnamed Ship Two
Commitments and Contingencies
Margin on floating rate base (as a percent)					1.15%
Unsecured term loans | Maximum
Commitments and Contingencies
Long term debt, stated interest rate (as a percent)					5.41%		5.41%
Unsecured term loans | Maximum | LIBOR | Icon Class, Ship One Credit Agreement | Icon of the Seas
Commitments and Contingencies
Margin on floating rate base (as a percent)					1.15%
Unsecured term loans | Maximum | LIBOR | Icon Class, Ship Two Credit Agreement | Icon Class, Unnamed Ship Two
Commitments and Contingencies
Margin on floating rate base (as a percent)					1.20%