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Other Commitments And Contingencies (Tables) | 9 Months Ended
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Sep. 30, 2020
Commitments and Contingencies Disclosure [Abstract] |
Expenses Incurred and Insurance Recoveries | The following table summarizes expenses incurred and insurance recoveries recorded since the Greater Lawrence Incident. This activity is presented within "Operation and maintenance" and "Other, net' in our Condensed Statements of Consolidated Income (Loss) (unaudited).
| Total Costs Incurred through |  |  |  | Costs Incurred during the Three Months Ended | Costs Incurred during the Nine Months Ended |  |  |
(in millions) | December 31, 2019 |  |  |  | September 30, 2020 |  |  | Incident to Date
Third-party claims | $ | 1,041 |  |  |  |  | $ | (3) |  | $ | (5) |  |  |  | $ | 1,036 |
Other incident-related costs | 420 |  |  |  |  | 5 |  | 21 |  |  |  | 441 |
Total | 1,461 |  |  |  |  | 2 |  | 16 |  |  |  | 1,477 |
Insurance recoveries recorded | (800) |  |  |  |  | — |  | — |  |  |  | (800) |
Total costs incurred | $ | 661 |  |  |  |  | $ | 2 |  | $ | 16 |  |  |  | $ | 677 |

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