Shareholders' Equity (Tables)

12 Months Ended

Nov. 30, 2021

Equity [Abstract]

Schedule of Shares Repurchased

	Carnival Corporation			Carnival plc
(in millions)	Number of Shares Repurchased	Dollar Amount Paid for Shares Repurchased		Number of Shares Repurchased	Dollar Amount Paid for Shares Repurchased
2020	—	$	—	0.2	$	10
2019	0.6	$	26	12.2	$	569

Schedule of Stock Swap Program

(in millions, except per share data)	Total Number of Shares of Carnival plc Ordinary Shares Purchased (a)	Average Price Paid per Share of Carnival plc Ordinary Share		Maximum Number of Carnival plc Ordinary Shares That May Yet Be Purchased Under the Carnival Corporation Stock Swap Program
2021	8.9	$	20.99	9.5

(a) No ordinary shares of Carnival plc were purchased outside of publicly announced plans or programs.

Accumulated Other Comprehensive Loss

	AOCI
	November 30,
(in millions)	2021		2020		2019
Cumulative foreign currency translation adjustments, net	$	(1,501)	$	(1,382)	$	(1,961)
Unrecognized pension expenses	(45)		(95)		(88)
Net gains (losses) on cash flow derivative hedges	44		41		(18)
	$	(1,501)	$	(1,436)	$	(2,066)

Schedule of Quarterly Cash Dividends Declared

We declared quarterly cash dividends on all of our common stock and ordinary shares as follows:

	Quarters Ended
(in millions, except per share data)	February 28/29		May 31		August 31		November 30
2020
Dividends declared per share	$	0.50	$	—	$	—	$	—
Dividends declared	$	342	$	—	$	—	$	—
2019
Dividends declared per share	$	0.50	$	0.50	$	0.50	$	0.50
Dividends declared	$	345	$	346	$	342	$	346