Debt Instrument, Basis Spread On Credit Adjustment

No definition available.

Name:	ccl_DebtInstrumentBasisSpreadOnCreditAdjustment
Namespace Prefix:	ccl_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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Period Type:	instant

- Definition

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

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Balance Type:	na
Period Type:	instant

- Definition

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.

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+ Details

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- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtLongtermAndShorttermCombinedAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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- Definition

Amount of long-term debt and lease obligation, including portion classified as current.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.

+ References

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+ Details

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

+ References

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Period Type:	instant

- Definition

Amount of cash outflow for the payment of debt classified as other, maturing after one year or the operating cycle, if longer.

+ References

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Debt - Long-Term and Short-Term Borrowings (Details) - USD ($) $ in Millions	1 Months Ended		4 Months Ended	9 Months Ended
	Sep. 30, 2024	Apr. 30, 2024	Mar. 31, 2024	Aug. 31, 2024	Aug. 31, 2023	Nov. 30, 2023
Debt Instrument [Line Items]
Long-term debt				$ 216
Total Debt				29,644		$ 31,339
Less: unamortized debt issuance costs and discounts				(788)		(768)
Total Debt, net of unamortized debt issuance costs and discounts				28,856		30,572
Less: current portion of long-term debt				(2,214)		(2,089)
Long-Term Debt				26,642		28,483
Principal repayments of long-term debt				$ 4,839	$ 6,828
Eurodollar \| Maximum
Debt Instrument [Line Items]
Credit adjustment spread				0.75%
Secured Overnight Financing Rate (SOFR) \| Minimum
Debt Instrument [Line Items]
Credit adjustment spread				0.00%
Euro-denominated Floating Rate Bank Loan Due March 2026 \| Subsequent Event
Debt Instrument [Line Items]
Principal repayments of long-term debt	$ 323
Senior Secured Term Loan
Debt Instrument [Line Items]
Credit adjustment spread		2.80%
Senior Secured Term Loan \| Minimum
Debt Instrument [Line Items]
Credit adjustment spread			3.00%
Senior Secured Term Loan \| Maximum
Debt Instrument [Line Items]
Credit adjustment spread			3.40%
Secured \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Long-term debt				$ 5,547		8,138
Secured \| Notes Payable Due June 2027 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				7.90%
Long-term debt				$ 192		192
Secured \| Notes Payable Due August 2027 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				9.90%
Long-term debt				$ 0		623
Secured \| Notes Payable Due August 2028 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				4.00%
Long-term debt				$ 2,406		2,406
Secured \| Notes Payable Due August 2029 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				7.00%
Long-term debt				$ 500		500
Secured \| Euro-denominated Floating Rate Bank Loan Due June 2025 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Long-term debt				$ 0		851
Secured \| Euro-denominated Floating Rate Bank Loan Due June 2025 \| Guarantor Subsidiaries \| Eurodollar
Debt Instrument [Line Items]
Debt instrument, variable rate (as a percent)				3.80%
Secured \| Floating Rate Bank Loan Due August 2027 to October 2028 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Long-term debt				$ 2,449		3,567
Secured \| Floating Rate Bank Loan Due August 2027 to October 2028 \| Guarantor Subsidiaries \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, variable rate (as a percent)				2.80%
Secured \| Notes Payable Due May 2028 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				10.40%
Long-term debt				$ 2,030		2,030
Unsecured Debt \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Long-term debt				21,203		20,312
Unsecured Debt \| Non-Guarantor Subsidiaries
Debt Instrument [Line Items]
Long-term debt				$ 865		859
Unsecured Debt \| Convertible Notes Payable Due October 2024 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				5.80%
Long-term debt				$ 426		426
Unsecured Debt \| Notes Payable Due March 2026 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				7.60%
Long-term debt				$ 1,351		1,351
Unsecured Debt \| Euro-denominated Notes Payable Due March 2026 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				7.60%
Long-term debt				$ 0		550
Unsecured Debt \| Notes Payable Due March 2027 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				5.80%
Long-term debt				$ 2,722		3,100
Unsecured Debt \| Convertible Notes Payable Due December 2027 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				5.80%
Long-term debt				$ 1,131		1,131
Unsecured Debt \| Notes Payable Due May 2029 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				6.00%
Long-term debt				$ 2,000		2,000
Unsecured Debt \| Euro-denominated Notes Payable Due January 2030 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				5.80%
Long-term debt				$ 554		0
Unsecured Debt \| Notes Payable Due June 2030 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				10.50%
Long-term debt				$ 1,000		1,000
Unsecured Debt \| Euro-denominated Floating Rate Bank Loan Due March 2026 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Long-term debt				$ 545		678
Unsecured Debt \| Euro-denominated Floating Rate Bank Loan Due March 2026 \| Guarantor Subsidiaries \| Eurodollar \| Minimum
Debt Instrument [Line Items]
Debt instrument, variable rate (as a percent)				2.40%
Unsecured Debt \| Euro-denominated Floating Rate Bank Loan Due March 2026 \| Guarantor Subsidiaries \| Eurodollar \| Maximum
Debt Instrument [Line Items]
Debt instrument, variable rate (as a percent)				3.30%
Unsecured Debt \| Line of Credit, Floating Rate Due December 2031 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Long-term debt				$ 514		583
Unsecured Debt \| Line of Credit, Floating Rate Due December 2031 \| Guarantor Subsidiaries \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, variable rate (as a percent)				1.20%
Unsecured Debt \| Line of Credit, Fixed Rate Due December 2032 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Long-term debt				$ 2,484		2,756
Unsecured Debt \| Line of Credit, Fixed Rate Due December 2032 \| Guarantor Subsidiaries \| Minimum
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				2.40%
Unsecured Debt \| Line of Credit, Fixed Rate Due December 2032 \| Guarantor Subsidiaries \| Maximum
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				3.40%
Unsecured Debt \| Line of Credit, Euro-denominated Floating Rate Due November 2034 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Long-term debt				$ 2,818		3,086
Unsecured Debt \| Line of Credit, Euro-denominated Floating Rate Due November 2034 \| Guarantor Subsidiaries \| Eurodollar \| Minimum
Debt Instrument [Line Items]
Debt instrument, variable rate (as a percent)				0.20%
Unsecured Debt \| Line of Credit, Euro-denominated Floating Rate Due November 2034 \| Guarantor Subsidiaries \| Eurodollar \| Maximum
Debt Instrument [Line Items]
Debt instrument, variable rate (as a percent)				0.80%
Unsecured Debt \| Line of Credit, Euro-denominated Fixed Rate Due Sep 2037 \| Guarantor Subsidiaries
Debt Instrument [Line Items]
Long-term debt				$ 5,658		3,652
Unsecured Debt \| Line of Credit, Euro-denominated Fixed Rate Due Sep 2037 \| Guarantor Subsidiaries \| Minimum
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				1.10%
Unsecured Debt \| Line of Credit, Euro-denominated Fixed Rate Due Sep 2037 \| Guarantor Subsidiaries \| Maximum
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				4.00%
Unsecured Debt \| Notes Payable Due January 2028 \| Non-Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				6.70%
Long-term debt				$ 200		200
Unsecured Debt \| Euro-denominated Notes Payable Due October 2029 \| Non-Guarantor Subsidiaries
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				1.00%
Long-term debt				$ 665		$ 659