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Defined Benefit Pension and Other Postretirement Plans
 9 Months Ended
Sep. 30, 2014
Compensation and Retirement Disclosure [Abstract]  
Defined Benefit Pension and Other Postretirement Plans
Defined Benefit Pension and Other Postretirement Plans
The following summarizes the components of net periodic benefit costs:
 
Three Months Ended September 30,
 
Pension Benefits
 
Other Benefits
(In millions)
2014
 
2013
 
2014
 
2013
Components of net periodic benefit cost:
 
 
 
 
 
 
 
Service cost
$
24

 
$
24

 
$
7

 
$
7

Interest cost
18

 
19

 
7

 
6

Expected return on plan assets
(27
)
 
(28
)
 
—

 
—

Amortization – prior service credit
(12
)
 
(12
)
 
(1
)
 
(1
)
                      – actuarial loss
12

 
14

 
1

 
1

                      – settlement loss
21

 
23

 
—

 
—

Net periodic benefit cost
$
36

 
$
40

 
$
14

 
$
13

 
 
Nine Months Ended September 30,
 
Pension Benefits
 
Other Benefits
(In millions)
2014
 
2013
 
2014
 
2013
Components of net periodic benefit cost:
 
 
 
 
 
 
 
Service cost
$
67

 
$
70

 
$
20

 
$
19

Interest cost
56

 
55

 
24

 
19

Expected return on plan assets
(81
)
 
(81
)
 
—

 
—

Amortization – prior service credit
(35
)
 
(34
)
 
(3
)
 
(3
)
                      – actuarial loss
38

 
53

 
2

 
2

                      – settlement loss
90

 
83

 
—

 
—

Net periodic benefit cost
$
135

 
$
146

 
$
43

 
$
37



During the nine months ended September 30, 2014, we made contributions of $16 million to our funded pension plans. Current benefit payments related to unfunded pension and other postretirement benefit plans were $22 million and $17 million, respectively, during the nine months ended September 30, 2014.
During the nine months ended September 30, 2014 and 2013, we determined that lump sum payments to employees retiring in the respective years will exceed the plans’ total service and interest costs for the year. Settlement losses are required to be recorded when lump sum payments exceed total service and interest costs. As a result, during the nine months ended September 30, 2014 and 2013, we recorded pension settlement expenses of $90 million and $83 million related to our cumulative lump sum payments made during the first nine months of 2014 and 2013, respectively.