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Compensation Plans - Additional Information (Details) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2014 USD ($) | Nov. 30, 2015 USD ($) plan shares | Nov. 30, 2014 USD ($) | Nov. 30, 2013 USD ($) | Mar. 31, 2014
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Shares available for future grant | shares |  | 18,300,000 |  |  |
Share-based compensation expense |  | $ 55,000,000 | $ 52,000,000 | $ 42,000,000 |
Fair value of market-based share award |  |  | 13,000,000 | 4,000,000 |
Share-based awards, grant date fair value |  | 41,000,000 | 41,000,000 | 42,000,000 |
Unrecognized compensation cost |  | 55,000,000 |  |  |
Intrinsic value of options exercised |  |  |  | 3,000,000 |
Unrecognized compensation cost related to stock options |  | $ 0 |  |  |
Number of unvested stock options | shares |  | 0 |  |  |
Pension expense |  | $ 47,000,000 | 69,000,000 | 62,000,000 |
Defined contribution plans, total expense |  | $ 30,000,000 | $ 25,000,000 | $ 25,000,000 |
TBS Awards |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Weighted-average period over which cost is expected to be recognized |  | 10 months 24 days |  |  |
Restricted Stock Awards |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Award vesting period description |  | RSAs have been granted to certain officers and non-executive board members and vest at the end of three years, |  |  |
Award vesting period |  | 3 years |  |  |
Restricted Stock Units |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Award vesting period description |  | Carnival Corporation and Carnival plc grant RSUs, which also vest at the end of three years, except for tax release shares, and accrue forfeitable dividend equivalents on each outstanding RSU, in the form of additional RSUs, based on dividends declared. |  |  |
Award vesting period |  | 3 years |  |  |
PBS Awards |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
PBS awards earnings per share growth period |  | 3 years |  |  |
PBS award opportunity to earn, minimum |  | 0.00% | 0.00% | 0.00% |
PBS award opportunity to earn, maximum |  | 200.00% | 200.00% | 187.50% |
Weighted-average period over which cost is expected to be recognized |  | 9 months 18 days |  |  |
MBS Awards |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Weighted-average period over which cost is expected to be recognized |  | 1 year |  |  |
First half of the MBS award | MBS Awards |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Award vesting period |  | 3 years |  |  |
Second half of the MBS award | MBS Awards |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Award vesting period |  | 4 years |  |  |
General and Administrative Expense |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Share-based compensation expense |  | $ 51,000,000 | $ 48,000,000 | $ 39,000,000 |
Payroll and Related Expenses |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Share-based compensation expense |  | $ 4,000,000 | $ 4,000,000 | $ 3,000,000 |
Pension Plan |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Weighted-average discount rates |  | 3.50% |  |  |
Multiemployer Defined Benefit Pension Plan |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Number of multiemployer plans | plan |  | 2 |  |  |
Multiemployer Defined Benefit Pension Plan | MNOPF |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Funded percentage |  |  |  |  | 87.00%
Employer contribution as a percentage of total contributions made by all plan participants |  | 5.00% | 5.00% | 5.00% |
Special assessment invoice expensed in cruise payroll and related expense |  |  |  | $ 15,000,000 |
Multiemployer Defined Benefit Pension Plan | MNRPF |  |  |  |  |
Employee Benefits Disclosure [Line Items] |  |  |  |  |
Funded percentage |  |  |  |  | 67.00%
Employer contribution as a percentage of total contributions made by all plan participants |  | 5.00% | 5.00% | 5.00% |
Special assessment invoice expensed in cruise payroll and related expense | $ 18,000,000 |  |  |  |
Remaining estimated obligation of deficit |  | $ 0 |  |  |
Contributions to multiemployer plan |  | $ 14,000,000 |  |  |

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