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Commitments and Contingencies - Contingencies (Details 2) |  |  |  | 1 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 16, 2018 USD ($) | Nov. 07, 2017 USD ($) | Sep. 07, 2017 USD ($) | May 31, 2016 case | Jun. 30, 2013 case | Jun. 14, 2017 | Dec. 13, 2016 | Sep. 30, 2012 Claim
Morgantown V. GenOn Mid-Atlantic |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Damages sought |  | $ 0 |  |  |  |  |  |
BTEC New Albany v. NRG Texas Power |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Damages sought |  |  | $ 48,000,000 |  |  |  |  |
Natural Gas Litigation |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Number of cases | case |  |  |  | 1 |  |  |  |
Claims dismissed | case |  |  |  |  | 1 |  |  |
Pending claims | Claim |  |  |  |  |  |  |  | 5
GenOn Senior Notes Due in 2017 |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  | 7.875% |  |
GenOn Senior Notes Due in 2017 | Non Recourse Debt |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  |  | 7.875% |
GenOn senior notes, due 2018 |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  | 9.50% |  |
GenOn senior notes, due 2018 | Non Recourse Debt |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  |  | 9.50% |
GenOn senior notes, due 2020 |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  | 9.875% |  |
GenOn senior notes, due 2020 | Non Recourse Debt |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  |  | 9.875% |
GenOn Americas Generation Senior Notes Due in 2021 |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  | 8.50% |  |
GenOn Americas Generation Senior Notes Due in 2021 | Non Recourse Debt |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  |  | 8.50% |
GenOn Americas Generation senior notes, due 2031 |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  | 9.125% |  |
GenOn Americas Generation senior notes, due 2031 | Non Recourse Debt |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Interest rate, stated percentage |  |  |  |  |  |  | 9.125% |
Subsequent Event | Natixis V. GenOn Mid-Atlantic |  |  |  |  |  |  |  |
Loss Contingencies |  |  |  |  |  |  |  |
Damages sought | $ 34,000,000 |  |  |  |  |  |  |

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