| Component: (Network and Table) | |
|---|---|
| Network | 40901 - Disclosure - Investment and Other Income, Net (Details) (http://frontier.com/role/DisclosureInvestmentAndOtherIncomeNetDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000020520 (http://www.sec.gov/CIK) |
| Investment and Other Income, Net [Abstract] | Period [Axis] | ||
|---|---|---|---|
2016-01-01 - 2016-12-31 | 2015-01-01 - 2015-12-31 | 2014-01-01 - 2014-12-31 | |
Investment and Other Income, Net [Abstract] | |||
Interest and dividend income | |||
Loss on debt exchanges | (7,000,000) | ||
Gain on sale of Fairmount Cellular LLC | |||
Gain on sale of 700 MHz spectrum | |||
Gain on expiration/settlement of customer advances | |||
All other, net | |||
Investment and other income, net | 20,000,000 | 7,000,000 | 39,000,000 |