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Compensation and Benefit Plans (Tables) | 9 Months Ended
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Sep. 30, 2016
Pension Plans |
Pension and Other Postretirement Benefits |
Expense Components for Plans | Pension expense components for continuing operations are:
| Three months ended September 30, |  | Nine months ended September 30,
(in millions) | 2016 |  | 2015 |  | 2016 |  | 2015
Edison International: |  |  |  |  |  |  |
Service cost | $ | 39 |  |  | $ | 35 |  |  | $ | 117 |  |  | $ | 105 |
Interest cost | 44 |  |  | 41 |  |  | 132 |  |  | 124 |
Expected return on plan assets | (56 | ) |  | (57 | ) |  | (168 | ) |  | (171 | )
Amortization of prior service cost | 1 |  |  | 1 |  |  | 3 |  |  | 3 |
Amortization of net loss1 | 9 |  |  | 9 |  |  | 27 |  |  | 27 |
Expense under accounting standards | $ | 37 |  |  | $ | 29 |  |  | $ | 111 |  |  | $ | 88 |
Regulatory adjustment | (9 | ) |  | (2 | ) |  | (27 | ) |  | (4 | )
Total expense recognized | $ | 28 |  |  | $ | 27 |  |  | $ | 84 |  |  | $ | 84 |
SCE: |  |  |  |  |  |  |
Service cost | $ | 38 |  |  | $ | 35 |  |  | $ | 114 |  |  | $ | 104 |
Interest cost | 41 |  |  | 38 |  |  | 123 |  |  | 113 |
Expected return on plan assets | (53 | ) |  | (53 | ) |  | (159 | ) |  | (160 | )
Amortization of prior service cost | 1 |  |  | 1 |  |  | 3 |  |  | 4 |
Amortization of net loss1 | 8 |  |  | 7 |  |  | 24 |  |  | 22 |
Expense under accounting standards | $ | 35 |  |  | $ | 28 |  |  | $ | 105 |  |  | $ | 83 |
Regulatory adjustment | (9 | ) |  | (2 | ) |  | (27 | ) |  | (4 | )
Total expense recognized | $ | 26 |  |  | $ | 26 |  |  | $ | 78 |  |  | $ | 79 |
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 September 30, 2016, and $9 million and $5 million, respectively, for the nine months ended September 30, 2016. The amount reclassified for Edison International and SCE was $4 million and $2 million, respectively, for the three months ended September 30, 2015 and $11 million and $6 million, respectively, for the nine months ended September 30, 2015.
Postretirement Benefits Other Than Pensions |
Pension and Other Postretirement Benefits |
Expense Components for Plans | PBOP expense components for continuing operations are:
| Three months ended September 30, |  | Nine months ended September 30,
(in millions) | 2016 |  | 2015 |  | 2016 |  | 2015
Edison International: |  |  |  |  |  |  |
Service cost | $ | 10 |  |  | $ | 12 |  |  | $ | 30 |  |  | $ | 36 |
Interest cost | 26 |  |  | 29 |  |  | 78 |  |  | 86 |
Expected return on plan assets | (28 | ) |  | (28 | ) |  | (84 | ) |  | (85 | )
Amortization of prior service cost | (1 | ) |  | (3 | ) |  | (3 | ) |  | (9 | )
Amortization of net loss | — |  |  | 5 |  |  | — |  |  | 17 |
Total expense | $ | 7 |  |  | $ | 15 |  |  | $ | 21 |  |  | $ | 45 |
SCE: |  |  |  |  |  |  |
Service cost | $ | 10 |  |  | $ | 12 |  |  | $ | 30 |  |  | $ | 36 |
Interest cost | 26 |  |  | 28 |  |  | 78 |  |  | 84 |
Expected return on plan assets | (28 | ) |  | (28 | ) |  | (84 | ) |  | (84 | )
Amortization of prior service cost | (1 | ) |  | (3 | ) |  | (3 | ) |  | (9 | )
Amortization of net loss | — |  |  | 6 |  |  | — |  |  | 17 |
Total expense | $ | 7 |  |  | $ | 15 |  |  | $ | 21 |  |  | $ | 44 |
Southern California Edison |
Pension and Other Postretirement Benefits |
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 |  | 21 |
Payments |  | (34 | )
Balance at September 30, 2016 |  | $ | 9 |

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