Debt - Narrative (Details) - USD ($)		1 Months Ended				6 Months Ended
		Jul. 31, 2022	Apr. 30, 2022	Feb. 28, 2022	Jan. 31, 2022	Jun. 30, 2022	Dec. 31, 2021	Mar. 31, 2021
Long-Term Debt
Debt instrument, collateral amount						$ 111,900,000
Credit card processor agreement, maximum exposure								$ 309,600,000
Unamortized debt issuance costs						$ 417,852,000	$ 363,532,000
Minimum | Contract With Customer, Liability, Up-Front Payment Arrangement
Long-Term Debt
Credit agency fees, percentage of loan amount payable						2.35%
Maximum | Contract With Customer, Liability, Up-Front Payment Arrangement
Long-Term Debt
Credit agency fees, percentage of loan amount payable						5.48%
Revolving Credit Facility
Long-Term Debt
Maximum borrowing capacity						$ 500,000,000
Novation Agreement, July 2017 | Bpifrance Assurance Export
Long-Term Debt
Debt, guaranteed percentage					100.00%
Senior Unsecured Note, Backstop Committed Financing
Long-Term Debt
Debt instrument, term				5 years
Debt instrument, face amount				$ 3,150,000,000
Unsecured Term Loan Agreement | Bpifrance Assurance Export
Long-Term Debt
Debt, guaranteed percentage			100.00%
Export And Non-Export Credit Facilities
Long-Term Debt
Long-term debt, outstanding principal amount						$ 13,100,000,000
Fixed charge coverage ratio						1.25
Debt covenant, minimum monthly liquidity requirement						$ 350,000,000
Unsecured term loans
Long-Term Debt
Long-term debt, outstanding principal amount						$ 4,767,955,000	2,860,567,000
Unsecured term loans | Minimum
Long-Term Debt
Interest rate	[1]					1.28%
Unsecured term loans | Maximum
Long-Term Debt
Interest rate	[1]					5.89%
Unsecured term loans | Novation Agreement, July 2017
Long-Term Debt
Proceeds from debt					$ 1,300,000,000
Debt instrument, term					12 years
Interest rate					3.18%
Unsecured term loans | Unsecured Term Loan Agreement
Long-Term Debt
Proceeds from debt			$ 700,000,000
Debt instrument, term			12 years
Interest rate			1.28%
Unsecured term loans | Silversea Cruises | Scenario, Forecast
Long-Term Debt
Proceeds from debt		$ 277,000,000
Debt instrument, term		15 years
Unsecured term loans | Silversea Cruises | Scenario, Forecast | SOFR
Long-Term Debt
Debt instrument, basis spread on variable rate		1.25%
Unsecured term loans | Silversea Cruises | Euler Hermes | Scenario, Forecast
Long-Term Debt
Debt, guaranteed percentage		95.00%
Unsecured senior notes
Long-Term Debt
Long-term debt, outstanding principal amount						$ 6,595,735,000	5,604,498,000
Unsecured senior notes | Minimum
Long-Term Debt
Interest rate	[1]					3.70%
Unsecured senior notes | Maximum
Long-Term Debt
Interest rate	[1]					9.13%
Unsecured senior notes | Senior Notes Due 2027
Long-Term Debt
Interest rate					5.375%
Debt instrument, face amount					$ 1,000,000,000
Proceeds from senior notes						$ 990,000,000
Revolving Credit Facility
Long-Term Debt
Long-term debt, outstanding principal amount	[2]					2,611,342,000	2,899,342,000
Maximum borrowing capacity						3,200,000,000
Secured senior notes
Long-Term Debt
Long-term debt, outstanding principal amount						$ 2,361,570,000	2,354,037,000
Secured senior notes | Minimum
Long-Term Debt
Interest rate	[1]					10.88%
Secured senior notes | Maximum
Long-Term Debt
Interest rate	[1]					11.50%
Secured senior notes | Senior Secured Notes, Due 2023
Long-Term Debt
Interest rate				10.875%
Convertible notes
Long-Term Debt
Long-term debt, outstanding principal amount						$ 1,725,000,000	$ 1,558,780,000
Convertible notes | Minimum
Long-Term Debt
Interest rate	[1]					2.88%
Convertible notes | Maximum
Long-Term Debt
Interest rate	[1]					4.25%
Convertible notes | Convertible Notes 4.25%, Due 2023
Long-Term Debt
Interest rate				4.25%

[1] Interest rates based on outstanding loan balance as of June 30, 2022 and, for variable rate debt, include either LIBOR or EURIBOR plus the applicable margin.

[2] Includes $1.9 billion facility and $1.3 billion facility, the vast majority of which is due in 2024. Our $1.9 billion facility accrues interest at LIBOR plus a maximum interest rate margin of 1.30% which interest was 3.09% as of June 30, 2022 and is subject to a facility fee of a maximum of 0.20%. Our $1.3 billion facility accrues interest at LIBOR plus a maximum interest rate margin of 1.70%, which interest was 3.49% as of June 30, 2022 and is subject to a facility fee of a maximum of 0.30%.