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Variable Interest Entities (Tables) | 3 Months Ended
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Mar. 31, 2017
Variable Interest Entities [Abstract] |
Net exposure to loss based upon the casualty value provisions | The following table discloses each company’s net exposure to loss based upon the casualty value provisions as of March 31, 2017:
| Maximum Exposure |  | Discounted Lease Payments, net |  | Net Exposure
| (In millions)
FirstEnergy | $ | 1,133 |  |  | $ | 894 |  |  | $ | 239 |
FES | 1,113 |  |  | 890 |  |  | 223 |

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