Shareholder's Equity (Details) - USD ($) $ / shares in Units, shares in Millions	3 Months Ended			6 Months Ended
	May 31, 2017	Feb. 28, 2017	May 31, 2016	May 31, 2017	May 31, 2016	Apr. 06, 2017
Equity, Class of Treasury Stock [Line Items]
Purchases of treasury stock				$ 152,000,000	$ 1,401,000,000
Dividends Declared Per Share (in dollars per share)	$ 0.40		$ 0.35	$ 0.75	$ 0.65
Common Stock
Equity, Class of Treasury Stock [Line Items]
Dividends Declared Per Share (in dollars per share)	0.40	$ 0.35
Ordinary Shares | CARNIVAL PLC
Equity, Class of Treasury Stock [Line Items]
Dividends Declared Per Share (in dollars per share)	$ 0.40	$ 0.35
Repurchase Program | Carnival Corp
Equity, Class of Treasury Stock [Line Items]
Shares authorized to be repurchased						$ 1,000,000,000.0
Shares repurchased (in shares)	2.8
Purchases of treasury stock	$ 156,000,000
Remaining number of shares available under the Repurchase Program (in shares)	$ 989,000,000			$ 989,000,000