| Component: (Network and Table) | |
|---|---|
| Network | 164 - Disclosure - Future Minimum Annual Lease Payments (Detail) (http://www.achillion.com/taxonomy/role/DisclosureFutureMinimumAnnualLeasePayments) |
| Table | Schedule of Operating Leased Assets [Table] |
| Reporting Entity [Axis] | 0001070336 (http://www.sec.gov/CIK) |
| Legal Entity [Axis] | Entity [Domain] |
| Operating Leased Assets [Line Items] | Period [Axis] |
|---|---|
2016-12-31 | |
2017 | |
2018 | |
2019 | |
2020 | |
Total |