| Document and Entity Information | Jun. 30, 2020 |
| Cover [Abstract] | |
| Amendment Flag | true |
| Entity Central Index Key | 0001623613 |
| Document Type | 8-K/A |
| Document Period End Date | Jun. 30, 2020 |
| Entity Registrant Name | MYLAN N.V. |
| Entity Incorporation State 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, Region | Hertfordshire |
| Entity Address, Postal Zip Code | AL10 9UL |
| Entity Address, Country | GB |
| City Area Code | 44 (0) |
| Local Phone Number | 1707-853-000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Ordinary shares, nominal value €0.01 |
| Trading Symbol | MYL |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Amendment Description | In light of the above and in accordance with applicable Dutch law, the Company has established the final and official vote tally and is filing this Amendment No. 2 to the AGM 8-K to amend the certified results of the matters set forth below to reflect that final and official vote tally. The remaining certified results as disclosed in the AGM 8-K remain unchanged. |
