Shareholders' Equity - Additional Information (Detail) (USD $)
Share data in Millions, except Per Share data, unless otherwise specified |
1 Months Ended | 11 Months Ended | 12 Months Ended | 0 Months Ended | 2 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||
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Sep. 30, 2007
|
Jan. 22, 2014
|
Nov. 30, 2013
|
Nov. 30, 2012
|
Nov. 30, 2011
|
Jan. 22, 2014
Carnival Corp
|
Jan. 22, 2013
Carnival Corp
|
Nov. 30, 2013
Carnival Corp
|
Nov. 30, 2012
Carnival Corp
|
Nov. 15, 2012
Carnival Corp
|
Nov. 30, 2013
CARNIVAL PLC
|
Nov. 30, 2011
CARNIVAL PLC
|
Jan. 22, 2014
Subsequent Event
Carnival Corp
|
Jan. 22, 2014
Subsequent Event
CARNIVAL PLC
|
Nov. 30, 2013
Repurchase Agreements [Member]
Carnival Corp
|
Nov. 30, 2012
Repurchase Agreements [Member]
Carnival Corp
|
Nov. 30, 2011
Repurchase Agreements [Member]
Carnival Corp
|
|
Stockholders Equity Note [Line Items] | |||||||||||||||||
Preferred stock, authorized | 40 | 40 | |||||||||||||||
Share repurchase program, aggregate value authorized for repurchase | $ 1,000,000,000 | ||||||||||||||||
Stock repurchase program, remaining authorized amount | 975,000,000 | 1,000,000,000 | 165,000,000 | ||||||||||||||
Repurchase of Common Stock (in shares) | 0.9 | 1.3 | 2.8 | 2.6 | 13.5 | ||||||||||||
Share repurchased, Value | 138,000,000 | 90,000,000 | 454,000,000 | 41,000,000 | 103,000,000 | 90,000,000 | 413,000,000 | ||||||||||
Share repurchase program additional authorized shares for repurchase | 32.8 | 19.2 | |||||||||||||||
Stock repurchase program, remaining authorized shares | 32.0 | 18.1 | |||||||||||||||
Stock Issued During Period, Shares, Treasury Stock Reissued | 0.9 | ||||||||||||||||
Sales of treasury stock | 35,000,000 | 0 | 0 | 35,000,000 | |||||||||||||
Common stock reserved for issuance pursuant to employee benefit and dividend reinvestment plans | 20 | ||||||||||||||||
Common stock reserved for issuance pursuant to employee benefit plans | 20 | ||||||||||||||||
Dividends payable, per share (USD per share) | $ 0.50 | ||||||||||||||||
Dividends payable | $ 194,000,000 | $ 583,000,000 | $ 400,000,000 | ||||||||||||||
2012 quarterly dividend per share (USD per share) | $ 0.25 | ||||||||||||||||
Dividends Payable, Date to be Paid, Year and Month | 2012-12 |