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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2015
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
2016 | $ | 374 |  |  | $ | 1 |
2017 | 354 |  |  | 1 |
2018 | 250 |  |  | 2 |
2019 | 186 |  |  | 2 |
2020 | 174 |  |  | 2 |
Thereafter | 1,745 |  |  | 10 |
Total future commitments | $ | 3,083 |  |  | $ | 18 |
Amount representing executory costs |  |  |  | (7 | )
Amount representing interest |  |  |  | (3 | )
Net commitments |  |  |  | $ | 8 |
Summary of estimated minimum future commitments for noncancelable power plant facilities and other operating leases | The following summarizes the estimated minimum future commitments for SCE's noncancelable other operating leases (excluding SCE's power purchase agreements discussed above):
(in millions) | Operating Leases – Other
2016 | $ | 68 |
2017 | 52 |
2018 | 44 |
2019 | 35 |
2020 | 27 |
Thereafter | 271 |
Total future commitments | $ | 497 |
Southern California Edison |
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, 2015, the undiscounted future minimum expected payments for the SCE power purchase agreements that have been approved by the CPUC and have completed major milestones for construction were as follows:
(in millions) | Renewable Energy Contracts |  | QF Power Purchase Agreements |  | Other Purchase Agreements
2016 | $ | 1,234 |  |  | $ | 223 |  |  | $ | 741 |
2017 | 1,417 |  |  | 189 |  |  | 758 |
2018 | 1,472 |  |  | 149 |  |  | 589 |
2019 | 1,562 |  |  | 87 |  |  | 503 |
2020 | 1,605 |  |  | 39 |  |  | 459 |
Thereafter | 21,439 |  |  | 69 |  |  | 1,022 |
Total future commitments | $ | 28,729 |  |  | $ | 756 |  |  | $ | 4,072 |
Summary of certain future other commitments | The following summarizes the estimated minimum future commitments for SCE's other commitments:
(in millions) | 2016 |  | 2017 |  | 2018 |  | 2019 |  | 2020 |  | Thereafter |  | Total
Other contractual obligations | $ | 181 |  |  | $ | 140 |  |  | $ | 101 |  |  | $ | 56 |  |  | $ | 59 |  |  | $ | 547 |  |  | $ | 1,084 |

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- Definition Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount. + References No definition available. + Details
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