Common Stock, Convertible, Amount

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Debt Instrument, Additional Options, Amount

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Debt Instrument, Additional Options, Shares

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Number of Passengers, Onboard Ships Still at Sea

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Face amount or stated value per share of common stock.

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The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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The price per share of the conversion feature embedded in the debt instrument.

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The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge.

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Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from derivative designated and qualifying as net investment hedge.

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- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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Per share or per unit amount of equity securities issued.

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Number of shares of capital stock issued (purchased by employees) in connection with an employee stock ownership plan.

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Aggregate value of stock issued during the period as a result of employee stock ownership plan (ESOP).

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events (Details) $ / shares in Units, passenger in Thousands		1 Months Ended	3 Months Ended
	Apr. 01, 2020 USD ($) shares passenger $ / shares	Mar. 31, 2020 USD ($)	Feb. 29, 2020 USD ($)	Feb. 28, 2019 USD ($)	Mar. 13, 2020 USD ($)
Cross currency swaps \| Derivatives designated as hedging instruments
Subsequent Event [Line Items]
Gains (losses) recognized in AOCI, net investment hedges			$ (2,000,000)	$ 2,000,000
Foreign currency forwards \| Derivatives designated as hedging instruments
Subsequent Event [Line Items]
Gains (losses) recognized in AOCI, cash flow hedges			$ 14,000,000	$ 0
Subsequent Event
Subsequent Event [Line Items]
Number of passengers onboard ships still at sea \| passenger	6
Subsequent Event \| Cross currency swaps \| Derivatives designated as hedging instruments
Subsequent Event [Line Items]
Gains (losses) reclassified from AOCI, net investment hedges		$ 180,000,000
Gains (losses) recognized in AOCI, net investment hedges		167,000,000
Subsequent Event \| Foreign currency forwards \| Derivatives designated as hedging instruments
Subsequent Event [Line Items]
Gains (losses) recognized in AOCI, cash flow hedges		53,000,000
Subsequent Event \| Revolving credit facility
Subsequent Event [Line Items]
Line of credit facility, maximum borrowing capacity		$ 3,000,000,000.0			$ 3,000,000,000.0
Subsequent Event \| Secured \| Senior Secured Notes due 2023
Subsequent Event [Line Items]
Debt instrument, face amount	$ 4,000,000,000.0
Debt instrument, interest rate (percent)	11.50%
Subsequent Event \| Convertible \| Senior Convertible Notes due 2023
Subsequent Event [Line Items]
Debt instrument, face amount	$ 1,750,000,000
Debt instrument, convertible, carrying amount	500,000,000
Debt instrument, additional options, amount	$ 262,500,000
Debt instrument, additional options (in shares) \| shares	9,375,000
Debt instrument, interest rate (percent)	5.75%
Conversion rate, amount	$ 1,000
Debt instrument, convertible, number of shares \| shares	100
Debt instrument, conversion price (in dollars per share) \| $ / shares	$ 10
Shares, issued (in shares) \| shares	62,500,000
Common stock, par value (in dollars per share) \| $ / shares	$ 0.01
Shares, issued price (in dollars per share) \| $ / shares	$ 8
Subsequent Event \| Convertible \| Senior Convertible Notes due 2023 \| Director
Subsequent Event [Line Items]
Shares purchased by employee (in shares) \| shares	1,250,000
Shares amount purchased by employee	$ 10,000,000