Debt - Narrative (Details) £ in Millions		1 Months Ended						3 Months Ended		6 Months Ended
		Apr. 30, 2024 USD ($)	Oct. 31, 2023 USD ($)	Oct. 31, 2022 USD ($)	Apr. 30, 2022 USD ($)	Jun. 30, 2021 USD ($) ship	Mar. 31, 2021 USD ($) ship	Jun. 30, 2021 USD ($) ship	Mar. 31, 2021 GBP (£)	Jun. 30, 2021 USD ($) ship	Jun. 30, 2022 USD ($)
Long-Term Debt
Debt instrument, collateral amount						$ 164,200,000		$ 164,200,000		$ 164,200,000
Credit card processor agreement, maximum exposure						$ 210,600,000		$ 210,600,000		$ 210,600,000
Number of cruise ships | ship						60		60		60
Debt repayment | £									£ 300.0
Debt covenant, monthly minimum liquidity										$ 350,000,000
Non-Export Credit Facilities
Long-Term Debt
Long-term debt							$ 4,900,000,000
Export Credit Facilities
Long-Term Debt
Long-term debt							6,300,000,000
Deferred principal payments							$ 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%
RCI Holdings LLC | Subsidiaries
Long-Term Debt
Number of cruise ships | ship							7
Revolving Credit Facility | Unsecured Revolving Credit Facility Due 2024
Long-Term Debt
Maximum borrowing capacity						$ 1,600,000,000	$ 1,550,000,000	$ 1,600,000,000		$ 1,600,000,000
Extension term							18 months
Prepayment and commitment reduction, as a percentage of outstanding advances and commitments							20.00%
Aggregate borrowing capacity						1,300,000,000		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	$ 700,000,000.0	700,000,000		$ 700,000,000
Extension term							1 year
Increase limit							$ 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
Debt instrument, collateral amount											$ 11,400,000
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
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						3,200,000,000		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		$ 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%
Unsecured term loans | Unsecured Term Loan Agreement
Long-Term Debt
Debt instrument, face amount						1,000,000,000.0	$ 1,000,000,000.0	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%
Long-term debt						900,000,000		900,000,000		900,000,000
Unsecured term loans | Novation Agreement
Long-Term Debt
Unsecured debt						$ 994,100,000		$ 994,100,000		$ 994,100,000
Debt instrument, term							12 years
Bank financing commitment percentage						80.00%		80.00%		80.00%
Percentage of premium payable						100.00%		100.00%		100.00%
Unsecured term loans | Term Loan
Long-Term Debt
Debt repayment								$ 130,000,000
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 | Minimum
Long-Term Debt
Interest rate	[1]					2.53%		2.53%		2.53%
Unsecured term loans | Maximum
Long-Term Debt
Interest rate	[1]					5.41%		5.41%		5.41%
Unsecured senior notes | Senior Unsecured Notes Due 2028
Long-Term Debt
Debt instrument, face amount							$ 1,500,000,000
Proceeds from issuance							$ 1,480,000,000
Interest rate							5.50%
Unsecured senior notes | Senior Unsecured Notes Due 2026
Long-Term Debt
Debt instrument, face amount						$ 650,000,000		$ 650,000,000		$ 650,000,000
Interest rate						4.25%		4.25%		4.25%
Proceeds from debt issuance						$ 640,600,000
Unsecured senior notes | Minimum
Long-Term Debt
Interest rate	[1]					3.70%		3.70%		3.70%
Unsecured senior notes | Maximum
Long-Term Debt
Interest rate	[1]					9.13%		9.13%		9.13%
Secured senior notes | Silversea Notes
Long-Term Debt
Interest rate						7.25%		7.25%		7.25%
Debt repayment						$ 619,800,000
Secured senior notes | Senior Secured Notes
Long-Term Debt
Debt instrument, face amount						$ 3,320,000,000		$ 3,320,000,000		$ 3,320,000,000
Secured senior notes | Minimum
Long-Term Debt
Interest rate	[1]					10.88%		10.88%		10.88%
Secured senior notes | Maximum
Long-Term Debt
Interest rate	[1]					11.50%		11.50%		11.50%

[1] Interest rates based on outstanding loan balance as of June 30, 2021 and, for variable rate debt, include either LIBOR or EURIBOR plus the applicable margin.