| Component: (Network and Table) | |
|---|---|
| Network | 2411409 - Disclosure - Employee Benefit Plans - Schedule of Estimated Future Benefit Payments (Details) (http://www.cabotog.com/role/EmployeeBenefitPlansScheduleOfEstimatedFutureBenefitPaymentsDetails) |
| Table | Schedule of Defined Benefit Plans Disclosures [Table] |
| Reporting Entity [Axis] | 0000858470 (http://www.sec.gov/CIK) |
| Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] | Postretirement Benefits Other than Pensions |
| Defined Benefit Plan Disclosure [Line Items] | Period [Axis] |
|---|---|
2016-12-31 | |
Estimated future benefit payments | |
2017 | |
2018 | |
2019 | |
2020 | |
2021 | |
Years 2022 - 2026 |