|
|
|
Pension Plans
|
|
Postretirement Benefit Plans
|
|
|
(for the three months ended June 30, in millions)
|
|
2016
|
|
2015
|
|
2016
|
|
2015
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net Periodic Benefit Cost:
|
|
|
|
|
|
|
|
|
|
|
Service cost
|
|
$
|
30
|
|
$
|
32
|
|
$
|
—
|
|
$
|
—
|
|
|
Interest cost on benefit obligation
|
|
31
|
|
36
|
|
2
|
|
2
|
|
|
Expected return on plan assets
|
|
(58
|
)
|
(57
|
)
|
—
|
|
—
|
|
|
Settlement
|
|
1
|
|
—
|
|
—
|
|
—
|
|
|
Amortization of unrecognized:
|
|
|
|
|
|
|
|
|
|
|
Prior service benefit
|
|
—
|
|
—
|
|
(1
|
)
|
—
|
|
|
Net actuarial loss
|
|
16
|
|
24
|
|
—
|
|
—
|
|
|
Net periodic benefit cost
|
|
$
|
20
|
|
$
|
35
|
|
$
|
1
|
|
$
|
2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Pension Plans
|
|
Postretirement Benefit Plans
|
|
|
(for the six months ended June 30, in millions)
|
|
2016
|
|
2015
|
|
2016
|
|
2015
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net Periodic Benefit Cost:
|
|
|
|
|
|
|
|
|
|
|
Service cost
|
|
$
|
59
|
|
$
|
65
|
|
$
|
—
|
|
$
|
—
|
|
|
Interest cost on benefit obligation
|
|
61
|
|
72
|
|
4
|
|
5
|
|
|
Expected return on plan assets
|
|
(115
|
)
|
(115
|
)
|
—
|
|
—
|
|
|
Settlement
|
|
1
|
|
—
|
|
—
|
|
—
|
|
|
Amortization of unrecognized:
|
|
|
|
|
|
|
|
|
|
|
Prior service benefit
|
|
—
|
|
—
|
|
(2
|
)
|
(1
|
)
|
|
Net actuarial loss
|
|
33
|
|
48
|
|
—
|
|
—
|
|
|
Net periodic benefit cost
|
|
$
|
39
|
|
$
|
70
|
|
$
|
2
|
|
$
|
4
|
|