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Compensation and Benefit Plans
 6 Months Ended
Jun. 30, 2019
Retirement Benefits [Abstract]  
Compensation and Benefit Plans Compensation and Benefit Plans
Pension Plans
Net periodic pension expense components for continuing operations are:
 
Three months ended June 30,
 
Six months ended June 30,
(in millions)
2019
 
2018
 
2019
 
2018
Edison International:
 
 
 
 
 
 
 
Service cost
$
32

 
$
32

 
$
64

 
$
64

Non-service cost (benefit)
 
 
 
 
 
 
 
Interest cost
39

 
35

 
78

 
70

Expected return on plan assets
(52
)
 
(56
)
 
(104
)
 
(113
)
Amortization of prior service cost
1

 
—

 
1

 
1

Amortization of net loss1
2

 
2

 
4

 
4

Regulatory adjustment
(4
)
 
3

 
(8
)
 
5

Total non-service benefit2
$
(14
)
 
$
(16
)
 
$
(29
)
 
$
(33
)
Total expense recognized
$
18

 
$
16

 
$
35

 
$
31

SCE:
 
 
 
 
 
 
 
Service cost
$
31

 
$
31

 
$
62

 
$
62

Non-service cost (benefit)
 
 
 
 
 
 
 
Interest cost
36

 
32

 
71

 
64

Expected return on plan assets
(49
)
 
(54
)
 
(98
)
 
(107
)
Amortization of prior service cost
1

 
—

 
1

 
1

Amortization of net loss1
2

 
2

 
3

 
3

Regulatory adjustment
(4
)
 
3

 
(8
)
 
5

Total non-service benefit2
$
(14
)
 
$
(17
)
 
$
(31
)
 
$
(34
)
Total expense recognized
$
17

 
$
14

 
$
31

 
$
28


1 
Includes the amount of net loss reclassified from other comprehensive loss. The amount reclassified for Edison International and SCE was $2 million and $2 million, respectively, for the three months ended June 30, 2019, and $4 million and $3 million, respectively, for the six months ended June 30, 2019. The amount reclassified for Edison International and SCE was $2 million and $2 million, respectively, for the three months ended June 30, 2018, and $4 million and $3 million, respectively, for the six months ended June 30, 2018.
2 Included in "Other income and expense" on Edison International's and SCE's consolidated statement of income.
Postretirement Benefits Other Than Pensions ("PBOP")
Net periodic PBOP expense components for continuing operations for Edison International and SCE are:
 
Three months ended June 30,
 
Six months ended June 30,
(in millions)
2019
 
2018
 
2019
 
2018
Service cost
$
8

 
$
10

 
$
16

 
$
19

Non-service cost (benefit)
 
 
 
 
 
 
 
Interest cost
21

 
21

 
42

 
42

Expected return on plan assets
(28
)
 
(30
)
 
(56
)
 
(60
)
Amortization of prior service cost
—

 
(1
)
 
—

 
(1
)
   Amortization of net gain
(1
)
 
—

 
(2
)
 
—

 Regulatory adjustment
6

 
—

 
12

 
—

Total non-service cost benefit1
$
(2
)
 
$
(10
)
 
$
(4
)
 
$
(19
)
Total expense
$
6

 
$
—

 
$
12

 
$
—


1 Included in "Other income and expense" on Edison International's and SCE's consolidated statement of income.