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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2017
Schedule Of Commitments And Contingencies [Line Items] |
Summary of Power Purchase Agreements Treated as Operating and Capital Leases | The amount of this discount is shown in the table below as the amount representing interest.
(in millions) | Operating Leases |  | Capital Leases
2018 | $ | 335 |  |  | $ | 2 |
2019 | 262 |  |  | 2 |
2020 | 234 |  |  | 2 |
2021 | 198 |  |  | 3 |
2022 | 174 |  |  | 3 |
Thereafter | 1,222 |  |  | 21 |
Total future commitments | $ | 2,425 |  |  | $ | 33 |
Amount representing executory costs |  |  |  | (15 | )
Amount representing interest |  |  |  | (8 | )
Net commitments |  |  |  | $ | 10 |
Summary of Estimated Minimum Future Commitments for Other Operating Leases | The following summarizes the estimated minimum future commitments for SCE's non-cancelable other operating leases (primarily related to vehicles, office space and other equipment):
(in millions) | Total
2018 | $ | 48 |
2019 | 37 |
2020 | 27 |
2021 | 20 |
2022 | 15 |
Thereafter | 99 |
Total future commitments | $ | 246 |
Schedule of Settlement Agreement | The following table summarizes the financial impact of the Revised San Onofre Settlement Agreement and the Utility Shareholder Agreement:
(in millions) |
San Onofre base regulatory asset | $ | 696 |
DOE litigation regulatory liability | (72 | )
MHI Arbitration regulatory liability | (47 | )
GHG Reduction Program | (10 | )
Other | 6 |
Present value of Utility Shareholder Agreement | 143 |
Total pre-tax charge | $ | 716 |
Total after-tax charge | $ | 448 |
SCE |
Schedule Of Commitments And Contingencies [Line Items] |
Summary of Undiscounted Future Expected Payments for Power Purchase Agreements That Have Been Approved by the CPUC and Have Completed Major Milestones for Construction | At December 31, 2017, the undiscounted future expected payments for the SCE power purchase agreements (primarily related to renewable energy contracts), which were approved by the CPUC and met other critical contract provisions (including completion of major milestones for construction), were as follows:
(in millions) | Total
2018 | $ | 2,513 |
2019 | 2,513 |
2020 | 2,614 |
2021 | 2,582 |
2022 | 2,562 |
Thereafter | 27,093 |
Total future commitments | $ | 39,877 |
Summary of Certain Future Other Commitments | The following summarizes the estimated minimum future commitments for SCE's other commitments:
(in millions) | 2018 |  | 2019 |  | 2020 |  | 2021 |  | 2022 |  | Thereafter |  | Total
Other contractual obligations | $ | 127 |  |  | $ | 72 |  |  | $ | 69 |  |  | $ | 45 |  |  | $ | 46 |  |  | $ | 345 |  |  | $ | 704 |

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