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Post-Employment Benefits (Tables)
 6 Months Ended
Jun. 30, 2016
Post-Employment Benefits  
The components of the net periodic benefit cost for the entity's major defined benefit plans and post-employment medical and dental benefit plans

 

 

Defined Benefit Plans

 

Medical and Dental Plans

 

 

 

Three Months

 

Six Months

 

Three Months

 

Six Months

 

 

 

Ended June 30

 

Ended June 30

 

Ended June 30

 

Ended June 30

 

(in millions)

 

2016

 

2015

 

2016

 

2015

 

2016

 

2015

 

2016

 

2015

 

Service cost - benefits earned during the period

 

$
67

 

$
68

 

$
134

 

$
150

 

$
6

 

$
6

 

$
13

 

$
15

 

Interest cost on projected benefit obligations

 
73

 
77

 
146

 
156

 
10

 
11

 
22

 
25

 

Expected return on plan assets

 
(143

)
(128

)
(284

)
(257

)
(8

)
(10

)
(17

)
(19

)

Net amortization of:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Actuarial loss, net

 
31

 
42

 
63

 
89

 
3

 
1

 
9

 
10

 

Prior service cost (credit)

 

—

 

—

 

—

 

—

 
(11

)
(12

)
(22

)
(24

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total Cost

 
28

 
59

 
59

 
138

 

—

 
(4

)
5

 
7

 

Less: Discontinued operations

 

—

 

—

 

—

 
1

 

—

 

—

 

—

 

—

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Net cost - continuing operations

 

$
28

 

$
59

 

$
59

 

$
137

 

$

—

 

$
(4

)

$
5

 

$
7