Date the derivative contract matures, in YYYY-MM-DD format.

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- Definition

Nominal number of units used to calculate payment on derivative.

+ References

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- Definition

Nominal or face amount used to calculate payment on derivative.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of long-term debt instruments that have contractual principal amounts and for which the fair value option has been elected.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

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Fair Value Measurements and Derivatives (Details) T in Thousands, $ in Millions, € in Billions	3 Months Ended
	Mar. 31, 2022 USD ($) T	Mar. 31, 2022 EUR (€) T	Dec. 31, 2021 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of long-term debt	$ 13,100.0		$ 12,500.0
Fair value of long-term debt in excess of carrying value	$ 900.0		$ 200.0
Fuel swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative maturing date	Dec. 31, 2023
Projected fuel purchases \| T	347	347
Foreign Currency Forward Contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notional amount of derivatives	$ 2,700.0	€ 2.4
Not Designated as Hedging Instrument \| Fuel swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Projected fuel purchases \| T	164	164
NCLH \| Exchangeable Senior Notes Due 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notional amount of derivatives	$ 10.7
NCLH \| Exchangeable Senior Notes Due 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notional amount of derivatives	24.0
NCLH \| 1.125% Exchangeable Senior Notes Due 2027
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notional amount of derivatives	34.1
NCLH \| 2.5% Exchangeable Senior Notes Due 2027
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notional amount of derivatives	$ 13.7