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Compensation and Benefit Plans (Tables) | 6 Months Ended
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Jun. 30, 2015
Pension Plans |
Pension and Other Postretirement Benefits |
Expense Components for Plans | Pension expense components for continuing operations are:
| Three months ended June 30, |  | Six months ended June 30,
(in millions) | 2015 |  | 2014 |  | 2015 |  | 2014
Edison International: |  |  |  |  |  |  |
Service cost | $ | 35 |  |  | $ | 29 |  |  | $ | 70 |  |  | $ | 59 |
Interest cost | 42 |  |  | 48 |  |  | 83 |  |  | 93 |
Expected return on plan assets | (57 | ) |  | (60 | ) |  | (114 | ) |  | (117 | )
Amortization of prior service cost | 1 |  |  | 2 |  |  | 2 |  |  | 3 |
Amortization of net loss 1 | 9 |  |  | 1 |  |  | 18 |  |  | 2 |
Expense under accounting standards | $ | 30 |  |  | $ | 20 |  |  | $ | 59 |  |  | $ | 40 |
Regulatory adjustment | (2 | ) |  | 30 |  |  | (3 | ) |  | 61 |
Total expense recognized | $ | 28 |  |  | $ | 50 |  |  | $ | 56 |  |  | $ | 101 |
SCE: |  |  |  |  |  |  |
Service cost | $ | 34 |  |  | $ | 29 |  |  | $ | 69 |  |  | $ | 58 |
Interest cost | 37 |  |  | 44 |  |  | 75 |  |  | 88 |
Expected return on plan assets | (54 | ) |  | (56 | ) |  | (107 | ) |  | (112 | )
Amortization of prior service cost | 2 |  |  | 1 |  |  | 3 |  |  | 2 |
Amortization of net loss 1 | 8 |  |  | 1 |  |  | 15 |  |  | 1 |
Expense under accounting standards | $ | 27 |  |  | $ | 19 |  |  | $ | 55 |  |  | $ | 37 |
Regulatory adjustment | (1 | ) |  | 30 |  |  | (2 | ) |  | 61 |
Total expense recognized | $ | 26 |  |  | $ | 49 |  |  | $ | 53 |  |  | $ | 98 |
1 | Includes the amount of net loss reclassified from other comprehensive income. The amount reclassified for Edison International and SCE was $4 million and $2 million, respectively, for the three months ended June 30, 2015, and $7 million and $4 million, respectively, for the six months ended June 30, 2015. The amount reclassified for Edison International and SCE was $1 million and $1 million, respectively, for the three months ended June 30, 2014 and $3 million and $2 million, respectively, for the six months ended June 30, 2014.
Postretirement Benefits Other Than Pensions |
Pension and Other Postretirement Benefits |
Expense Components for Plans | PBOP expense components for continuing operations are:
| Three months ended June 30, |  | Six months ended June 30,
(in millions) | 2015 |  | 2014 |  | 2015 |  | 2014
Edison International: |  |  |  |  |  |  |
Service cost | $ | 12 |  |  | $ | 11 |  |  | $ | 24 |  |  | $ | 22 |
Interest cost | 28 |  |  | 27 |  |  | 57 |  |  | 54 |
Expected return on plan assets | (29 | ) |  | (28 | ) |  | (57 | ) |  | (56 | )
Amortization of prior service cost | (3 | ) |  | (9 | ) |  | (6 | ) |  | (18 | )
Amortization of net loss | 6 |  |  | — |  |  | 12 |  |  | — |
Total expense | $ | 14 |  |  | $ | 1 |  |  | $ | 30 |  |  | $ | 2 |
SCE: |  |  |  |  |  |  |
Service cost | $ | 12 |  |  | $ | 11 |  |  | $ | 24 |  |  | $ | 22 |
Interest cost | 28 |  |  | 27 |  |  | 56 |  |  | 54 |
Expected return on plan assets | (28 | ) |  | (28 | ) |  | (56 | ) |  | (56 | )
Amortization of prior service cost | (3 | ) |  | (9 | ) |  | (6 | ) |  | (18 | )
Amortization of net loss | 5 |  |  | — |  |  | 11 |  |  | — |
Total expense | $ | 14 |  |  | $ | 1 |  |  | $ | 29 |  |  | $ | 2 |
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, 2015 |  | $ | 35 |
Additions |  | 10 |
Payments |  | (24 | )
Balance at June 30, 2015 |  | $ | 21 |

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