| Cover Page | Aug. 06, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 6, 2020 |
| Entity Registrant Name | MYLAN N.V. |
| Entity Incorporation, State or Country Code | P7 |
| Entity File Number | 333-199861 |
| Entity Tax Identification Number | 98-1493528 |
| Entity Address, Address Line One | Building 4 |
| Entity Address, Address Line Two | Trident Place |
| Entity Address, Address Line Three | Mosquito Way |
| Entity Address, City or Town | Hatfield |
| Entity Address, Postal Zip Code | AL10 9UL |
| Entity Address, Country | GB |
| Country Region | 44 |
| City Area Code | 1707 |
| Local Phone Number | 853-000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Trading Symbol | MYL |
| Title of 12(b) Security | Ordinary shares, nominal value €0.01 |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001623613 |
