| Cover | Feb. 23, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Feb. 23, 2021 |
| Entity Registrant Name | Jazz Pharmaceuticals plc |
| Entity Incorporation, State or Country Code | L2 |
| Entity File Number | 001-33500 |
| Entity Tax Identification Number | 98-1032470 |
| Entity Address, Address Line One | Fifth Floor, Waterloo Exchange, |
| Entity Address, Address Line Two | Waterloo Road, |
| Entity Address, City or Town | Dublin 4, |
| Entity Address, Country | IE |
| Entity Address, Postal Zip Code | D04 E5W7 |
| Country Region | 353 |
| City Area Code | 1 |
| Local Phone Number | 634-7800 |
| Written Communications | false |
| Soliciting Material | true |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Ordinary shares, nominal value $0.0001 per share |
| Trading Symbol | JAZZ |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001232524 |
| Amendment Flag | false |
