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Compensation and Benefit Plans (Tables) | 3 Months Ended
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Mar. 31, 2016
Pension Plans |
Pension and Other Postretirement Benefits |
Expense Components for Plans | Pension expense components for continuing operations are:
| Edison International |  | SCE
| Three months ended March 31,
(in millions) | 2016 |  | 2015 |  | 2016 |  | 2015
Service cost | $ | 39 |  |  | $ | 35 |  |  | $ | 38 |  |  | $ | 35 |
Interest cost | 44 |  |  | 41 |  |  | 41 |  |  | 38 |
Expected return on plan assets | (56 | ) |  | (57 | ) |  | (53 | ) |  | (53 | )
Amortization of prior service cost | 1 |  |  | 1 |  |  | 1 |  |  | 1 |
Amortization of net loss 1 | 9 |  |  | 9 |  |  | 8 |  |  | 7 |
Expense under accounting standards | $ | 37 |  |  | $ | 29 |  |  | $ | 35 |  |  | $ | 28 |
Regulatory adjustment | (9 | ) |  | (1 | ) |  | (9 | ) |  | (1 | )
Total expense recognized | $ | 28 |  |  | $ | 28 |  |  | $ | 26 |  |  | $ | 27 |
1 | Includes the amount of net loss reclassified from other comprehensive loss. The amount reclassified for Edison International and SCE was $3 million and $2 million, respectively, for the three months ended March 31, 2016, and $3 million and $2 million, respectively, for the three months ended March 31, 2015.
Postretirement Benefits Other Than Pensions |
Pension and Other Postretirement Benefits |
Expense Components for Plans | PBOP expense components for continuing operations are:
| Edison International |  | SCE
| Three months ended March 31,
(in millions) | 2016 |  | 2015 |  | 2016 |  | 2015
Service cost | $ | 10 |  |  | $ | 12 |  |  | $ | 10 |  |  | $ | 12 |
Interest cost | 26 |  |  | 29 |  |  | 26 |  |  | 28 |
Expected return on plan assets | (28 | ) |  | (28 | ) |  | (28 | ) |  | (28 | )
Amortization of prior service cost | (1 | ) |  | (3 | ) |  | (1 | ) |  | (3 | )
Amortization of net loss | — |  |  | 6 |  |  | — |  |  | 6 |
Total expense | $ | 7 |  |  | $ | 16 |  |  | $ | 7 |  |  | $ | 15 |
Southern California Edison |
Workforce Reductions [Abstract] |
Workforce reductions | The following table provides a summary of changes in the accrued severance liability associated with these reductions:
(in millions) |  |
Balance at January 1, 2016 |  | $ | 22 |
Additions |  | 5 |
Payments |  | (15 | )
Balance at March 31, 2016 |  | $ | 12 |

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