Commitments and Contingencies	9 Months Ended
Sep. 30, 2016
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Ship Purchase Obligations As of September 30, 2016, the aggregate cost of our ships on firm order, not including the TUI Cruises' ships on order and those subject to conditions to effectiveness, was approximately $5.3 billion, of which we had deposited $282.0 million as of such date. Approximately 56.1% of the aggregate cost was exposed to fluctuations in the Euro exchange rate at September 30, 2016. Refer to Note 10. Fair Value Measurements and Derivative Instruments for further information. In June 2016, we entered into credit agreements for the unsecured financing of our first two "Project Edge" ships for up to 80% of each ship’s contract price through facilities to be guaranteed 100% by COFACE. The ships are expected to enter service in the fourth quarter of 2018 and the first half of 2020, respectively. Under these financing arrangements, we have the right, but not the obligation, to satisfy the obligations to be incurred upon delivery and acceptance of each vessel under the shipbuilding contract by assuming, at delivery and acceptance, the debt indirectly incurred by the shipbuilder during the construction of each ship. The maximum loan amount under each facility is not to exceed the US dollar equivalent of €622.6 million and €652.6 million, or approximately $699.4 million and $733.1 million, respectively, based on the exchange rate at September 30, 2016, for the first "Project Edge" ship delivery and the second "Project Edge" ship delivery, respectively. The loans will amortize semi-annually and will mature 12 years following delivery of each ship. Interest on the loans will accrue at a fixed rate of 3.23%. In September 2016, we signed conditional agreements with STX France to build a fifth Oasis-class ship expected to be delivered in the second quarter of 2021, and a third and fourth "Project Edge" ship expected to be delivered in the fourth quarter of each of 2021 and 2022. These agreements are contingent upon completion of conditions precedent, including financing. In October 2016, we signed a memorandum of understanding with Meyer Turku to build two ships of a new generation of ships for Royal Caribbean International, known as "Project Icon", which are expected to enter service in the second quarters of 2022 and 2024, respectively. While the design is still being finalized, each ship will likely accommodate approximately 5,000 guests. These orders are contingent upon completion of conditions precedent, including documentation and financing. Litigation In April 2015, the Alaska Department of Environmental Conservation issued Notices of Violation to Royal Caribbean International and Celebrity Cruises seeking monetary penalties for alleged violations of the Alaska Marine Visible Emission Standards that occurred over the past five years on certain of our vessels. We believe we have meritorious defenses to the allegations and we are cooperating with the state of Alaska. We do not believe that the ultimate outcome of these claims will have a material adverse impact on our financial condition or results of operations and cash flows. We are routinely involved in other claims typical within the cruise vacation industry. The majority of these claims are covered by insurance. We believe the outcome of such claims, net of expected insurance recoveries, will not have a material adverse impact on our financial condition or results of operations and cash flows. Other In July 2016, we executed an agreement with Miami Dade County (“MDC”), which was simultaneously assigned to Sumitomo Banking Corporation (“SMBC”), to lease land from MDC and construct a new cruise terminal at PortMiami in Miami, Florida. The terminal is expected to be approximately 170,000 square-feet and will serve as a homeport. During the construction period, SMBC will fund the costs of the terminal’s construction and land lease. Upon completion of the terminal's construction, we will operate and lease the terminal from SMBC for a five-year term. We determined that the lease arrangement between SMBC and us should be accounted for as an operating lease upon completion of the terminal. If any person acquires ownership of more than 50% of our common stock or, subject to certain exceptions, during any 24-month period, a majority of the Board is no longer comprised of individuals who were members of the Board on the first day of such period, we may be obligated to prepay indebtedness outstanding under our credit facilities, which we may be unable to replace on similar terms. Our public debt securities also contain change of control provisions that would be triggered by a third-party acquisition of greater than 50% of our common stock coupled with a ratings downgrade. If this were to occur, it would have an adverse impact on our liquidity and operations.

Commitments and Contingencies

Ship Purchase Obligations

As of September 30, 2016, the aggregate cost of our ships on firm order, not including the TUI Cruises' ships on order and those subject to conditions to effectiveness, was approximately $5.3 billion, of which we had deposited $282.0 million as of such date. Approximately 56.1% of the aggregate cost was exposed to fluctuations in the Euro exchange rate at September 30, 2016. Refer to Note 10. Fair Value Measurements and Derivative Instruments for further information.

In June 2016, we entered into credit agreements for the unsecured financing of our first two "Project Edge" ships for up to 80% of each ship’s contract price through facilities to be guaranteed 100% by COFACE. The ships are expected to enter service in the fourth quarter of 2018 and the first half of 2020, respectively. Under these financing arrangements, we have the right, but not the obligation, to satisfy the obligations to be incurred upon delivery and acceptance of each vessel under the shipbuilding contract by assuming, at delivery and acceptance, the debt indirectly incurred by the shipbuilder during the construction of each ship. The maximum loan amount under each facility is not to exceed the US dollar equivalent of €622.6 million and €652.6 million, or approximately $699.4 million and $733.1 million, respectively, based on the exchange rate at September 30, 2016, for the first "Project Edge" ship delivery and the second "Project Edge" ship delivery, respectively. The loans will amortize semi-annually and will mature 12 years following delivery of each ship. Interest on the loans will accrue at a fixed rate of 3.23%.

In September 2016, we signed conditional agreements with STX France to build a fifth Oasis-class ship expected to be delivered in the second quarter of 2021, and a third and fourth "Project Edge" ship expected to be delivered in the fourth quarter of each of 2021 and 2022. These agreements are contingent upon completion of conditions precedent, including financing.

In October 2016, we signed a memorandum of understanding with Meyer Turku to build two ships of a new generation of ships for Royal Caribbean International, known as "Project Icon", which are expected to enter service in the second quarters of 2022 and 2024, respectively. While the design is still being finalized, each ship will likely accommodate approximately 5,000 guests. These orders are contingent upon completion of conditions precedent, including documentation and financing.

Litigation

In April 2015, the Alaska Department of Environmental Conservation issued Notices of Violation to Royal Caribbean International and Celebrity Cruises seeking monetary penalties for alleged violations of the Alaska Marine Visible Emission Standards that occurred over the past five years on certain of our vessels. We believe we have meritorious defenses to the allegations and we are cooperating with the state of Alaska. We do not believe that the ultimate outcome of these claims will have a material adverse impact on our financial condition or results of operations and cash flows.

We are routinely involved in other claims typical within the cruise vacation industry. The majority of these claims are covered by insurance. We believe the outcome of such claims, net of expected insurance recoveries, will not have a material adverse impact on our financial condition or results of operations and cash flows.

Other

In July 2016, we executed an agreement with Miami Dade County (“MDC”), which was simultaneously assigned to Sumitomo Banking Corporation (“SMBC”), to lease land from MDC and construct a new cruise terminal at PortMiami in Miami, Florida. The terminal is expected to be approximately 170,000 square-feet and will serve as a homeport. During the construction period, SMBC will fund the costs of the terminal’s construction and land lease. Upon completion of the terminal's construction, we will operate and lease the terminal from SMBC for a five-year term. We determined that the lease arrangement between SMBC and us should be accounted for as an operating lease upon completion of the terminal.

If any person acquires ownership of more than 50% of our common stock or, subject to certain exceptions, during any 24-month period, a majority of the Board is no longer comprised of individuals who were members of the Board on the first day of such period, we may be obligated to prepay indebtedness outstanding under our credit facilities, which we may be unable to replace on similar terms. Our public debt securities also contain change of control provisions that would be triggered by a third-party acquisition of greater than 50% of our common stock coupled with a ratings downgrade. If this were to occur, it would have an adverse impact on our liquidity and operations.