| DEI Document | 6 Months Ended |
| Jun. 30, 2019 | |
| Document Information [Line Items] | |
| Document Type | S-4/A |
| Amendment Flag | true |
| Amendment Description | File exhibits |
| Entity Registrant Name | Diamondback Energy, Inc. |
| Entity Central Index Key | 0001539838 |
| Entity Filer Category | Large Accelerated Filer |
| Entity Emerging Growth Company | false |
| Entity Small Business | false |
