Stockholders Equity Note [Line Items]

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- Definition

Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.

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-Publisher FASB
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-SubTopic 10
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-Topic 220
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-Section 45
-Paragraph 17A
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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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-Publisher FASB
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-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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Shareholders' Equity - Additional Information (Details) - USD ($)	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017	Aug. 27, 2018
Stockholders Equity Note [Line Items]
Share repurchase program, aggregate value authorized for repurchase				$ 1,000,000,000.0
Unrecognized pension expenses reclassified out of accumulated other comprehensive (loss) income	$ 5,000,000	$ 5,000,000	$ 18,000,000
Preferred stock, authorized (in shares)	40,000,000
Carnival Corp
Stockholders Equity Note [Line Items]
Preferred stock, shares issued (in shares)	0	0
Carnival PLC
Stockholders Equity Note [Line Items]
Preferred stock, shares issued (in shares)	0	0