| Cover Page | Mar. 13, 2020 |
| Document Information [Line Items] | |
| Document Type | 8-K/A |
| Entity Central Index Key | 0000815097 |
| Amendment Flag | true |
| Amendment Description | Carnival Corporation and Carnival plc (the “Corporation”) filed a Current Report on Form 8-K on March 16, 2020 (the “Original Report”). This amendment (the “Amended Report”) to the Original Report amends and restates Item 7.01 of the Original Report in its entirety to include additional information inadvertently omitted from the Original Report. |
| Document Period End Date | Mar. 13, 2020 |
| Entity Registrant Name | CARNIVAL CORP |
| Entity Incorporation, State or Country Code | R1 |
| Entity File Number | 1-9610 |
| Entity Tax Identification Number | 59-1562976 |
| Entity Address, Address Line One | 3655 N.W. 87th Avenue |
| Entity Address, City or Town | Miami |
| Entity Address, State or Province | FL |
| Entity Address, Postal Zip Code | 33178-2428 |
| City Area Code | (305) |
| Local Phone Number | 599-2600 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Common stock | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock ($0.01 par value) |
| Trading Symbol | CCL |
| Security Exchange Name | NYSE |
| 1.625% Senior Notes due 2021 | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 1.625% Senior Notes due 2021 |
| Trading Symbol | CCL21 |
| Security Exchange Name | NYSE |
| CARNIVAL PLC | |
| Document Information [Line Items] | |
| Entity Central Index Key | 0001125259 |
| Entity Registrant Name | CARNIVAL PLC |
| Entity Incorporation, State or Country Code | X0 |
| Entity File Number | 1-15136 |
| Entity Tax Identification Number | 98-0357772 |
| Entity Address, Address Line One | Carnival House |
| Entity Address, Address Line Two | 100 Harbour Parade |
| Entity Address, City or Town | Southampton |
| Entity Address, Country | GB |
| Entity Address, Postal Zip Code | SO15 1ST |
| City Area Code | 011 |
| Local Phone Number | 44 23 8065 5000 |
| Title of 12(b) Security | Ordinary Shares each represented by American Depository Shares ($1.66 par value) |
| Trading Symbol | CUK |
| Security Exchange Name | NYSE |
| CARNIVAL PLC | 1.875% Senior Notes due 2022 | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 1.875% Senior Notes due 2022 |
| Trading Symbol | CUK22 |
| Security Exchange Name | NYSE |
| CARNIVAL PLC | 1.000% Senior Notes due 2029 | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 1.000% Senior Notes due 2029 |
| Trading Symbol | CUK29 |
| Security Exchange Name | NYSE |
