Debt - Narrative (Details) € in Millions		1 Months Ended					3 Months Ended
		Apr. 30, 2024 USD ($)	Oct. 31, 2023 USD ($)	Oct. 31, 2022 USD ($)	Apr. 30, 2022 USD ($)	Mar. 31, 2021 USD ($) ship	Mar. 31, 2021 USD ($) ship	Mar. 31, 2021 EUR (€)
Long-Term Debt
Debt instrument, collateral amount						$ 172,700,000	$ 172,700,000
Credit card processor agreement, maximum exposure						$ 170,600,000	$ 170,600,000
Number of cruise ships | ship						59	59
Maximum borrowing capacity | €								€ 300.0
Debt covenant, monthly minimum liquidity							$ 350,000,000
Non-Export Credit Facilities
Long-Term Debt
Long-term debt						$ 4,900,000,000	4,900,000,000
Export Credit Facilities
Long-Term Debt
Long-term debt						6,300,000,000	6,300,000,000
Deferred principal payments						$ 1,150,000,000	$ 1,150,000,000
Unsecured Term Loans Guaranteed by Export Credit Agencies
Long-Term Debt
Credit agency fees, percentage of outstanding loan balance							2.97%	2.97%
RCI Holdings LLC | Subsidiaries
Long-Term Debt
Number of cruise ships | ship						7	7
Revolving Credit Facility | Unsecured Revolving Credit Facility Due 2024
Long-Term Debt
Maximum borrowing capacity						$ 1,550,000,000	$ 1,550,000,000
Extension term						18 months
Prepayment and commitment reduction, as a percentage of outstanding advances and commitments						20.00%	20.00%
Aggregate borrowing capacity						$ 1,300,000,000	$ 1,300,000,000
Line of Credit | Term Loan Facility, $700 Million
Long-Term Debt
Maximum borrowing capacity						$ 700,000,000.0	700,000,000.0
Extension term						1 year
Increase limit						$ 300,000,000.0	$ 300,000,000.0
Line of Credit | LIBOR | Term Loan Facility, $700 Million
Long-Term Debt
Debt instrument, basis spread on variable rate						3.75%
Scenario, Forecast
Long-Term Debt
Deferred principal payments, repayment period					5 years
Scenario, Forecast | Revolving Credit Facility | Unsecured Revolving Credit Facility Due 2024
Long-Term Debt
Line of credit terminated		$ 1,100,000,000		$ 200,000,000
Maximum | Contract With Customer, Liability, Up-Front Payment Arrangement
Long-Term Debt
Credit agency fees, percentage of loan amount payable							5.48%	5.48%
Minimum | Contract With Customer, Liability, Up-Front Payment Arrangement
Long-Term Debt
Credit agency fees, percentage of loan amount payable							2.35%	2.35%
Unsecured term loans | Unsecured Term Loan Agreement
Long-Term Debt
Debt instrument, face amount						$ 1,000,000,000.0	$ 1,000,000,000.0
Extension term						18 months
Prepayment and commitment reduction, as a percentage of outstanding advances and commitments						20.00%	20.00%
Long-term debt						$ 900,000,000	$ 900,000,000
Unsecured term loans | Novation Agreement
Long-Term Debt
Unsecured debt						$ 994,100,000	$ 994,100,000
Debt instrument, term						12 years
Bank financing commitment percentage						80.00%	80.00%
Percentage of premium payable						100.00%	100.00%
Unsecured term loans | Term Loan Due 2023
Long-Term Debt
Debt instrument, face amount						$ 130,000,000.0	$ 130,000,000.0
Unsecured term loans | LIBOR | Novation Agreement
Long-Term Debt
Debt instrument, basis spread on variable rate						0.96%
Unsecured term loans | Euler Hermes | Novation Agreement
Long-Term Debt
Percentage guaranteed by export credit agency						95.00%
Unsecured term loans | Scenario, Forecast | Unsecured Term Loan Agreement
Long-Term Debt
Debt terminated			$ 600,000,000		$ 300,000,000
Unsecured term loans | Maximum
Long-Term Debt
Interest rate	[1]					5.41%	5.41%
Unsecured term loans | Minimum
Long-Term Debt
Interest rate	[1]					2.53%	2.53%
Revolving Credit Facility
Long-Term Debt
Maximum borrowing capacity						$ 3,200,000,000	$ 3,200,000,000
Revolving Credit Facility | Unsecured Revolving Credit Facility Due 2024
Long-Term Debt
Maximum borrowing capacity						1,300,000,000	$ 1,300,000,000
Revolving Credit Facility | Maximum | LIBOR | Unsecured Revolving Credit Facility Due 2024
Long-Term Debt
Debt instrument, basis spread on variable rate							1.70%	1.70%
Unsecured senior notes | Senior Unsecured Notes Due 2028
Long-Term Debt
Debt instrument, face amount						1,500,000,000	$ 1,500,000,000
Proceeds from issuance						$ 1,480,000,000
Interest rate						5.50%	5.50%
Unsecured senior notes | Maximum
Long-Term Debt
Interest rate	[1]					7.50%	7.50%
Unsecured senior notes | Minimum
Long-Term Debt
Interest rate	[1]					3.70%	3.70%
Secured senior notes | Senior Secured Notes
Long-Term Debt
Debt instrument, face amount						$ 3,320,000,000	$ 3,320,000,000
Secured senior notes | Maximum
Long-Term Debt
Interest rate	[1]					11.50%	11.50%
Secured senior notes | Minimum
Long-Term Debt
Interest rate	[1]					7.25%	7.25%

[1] Interest rates based on outstanding loan balance as of March 31, 2021 and, for variable rate debt, include either LIBOR or EURIBOR plus the applicable margin.