XML 28 R16.htm IDEA: XBRL DOCUMENT v3.10.0.1
Employment Benefit Plans
 9 Months Ended
Sep. 30, 2018
Retirement Benefits [Abstract]  
Employment Benefit Plans
Employment Benefit Plans

Components of the net cost (credit) for the periods presented below for certain employee benefit plans were as follows (in millions):
 
 
Pension Benefits
 
 
Three Months Ended September 30,
Net Cost (Credit)
 
2018
 
2017
Service cost
 
$
12

 
$
10

Interest cost
 
20

 
22

Expected return on plan assets
 
(39
)
 
(37
)
Net credit recognized
 
$
(7
)
 
$
(5
)

 
 
Pension Benefits
 
 
Nine Months Ended September 30,
Net Cost (Credit)
 
2018
 
2017
Service cost
 
$
34

 
$
31

Interest cost
 
62

 
66

Expected return on plan assets
 
(118
)
 
(111
)
Net credit recognized
 
$
(22
)
 
$
(14
)

 
 
Retiree Health and Welfare Benefits
 
 
Three Months Ended September 30,
Net Cost (Credit)
 
2018
 
2017
Service cost
 
$
1

 
$
—

Interest cost
 
2

 
3

Amortization of prior service credits
 
(2
)
 
(1
)
Net cost recognized
 
$
1

 
$
2



 
 
Retiree Health and Welfare Benefits
 
 
Nine Months Ended September 30,
Net Cost (Credit)
 
2018
 
2017
Service cost
 
$
1

 
$
1

Interest cost
 
6

 
7

Amortization of prior service credits
 
(2
)
 
(2
)
Net cost recognized
 
$
5

 
$
6

    
Service cost is included in compensation and benefits expense and the other components of net periodic benefit costs are included in other (income) expense, net in the Consolidated Statements of Income.