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Employee Benefit Plans
 3 Months Ended
Mar. 31, 2014
Notes to Condensed Consolidated Financial Statements [Abstract]  
Employee Benefit Plans
Employee Benefit Plans
Pension and Postretirement Plans. We sponsor both funded and unfunded domestic and foreign defined pension and other postretirement benefit plans, and defined contribution plans. Contributions to our plans were as follows:
 
Quarter Ended March 31,
(Dollars in millions)
2014
 
2013
Defined Benefit Plans
$
84

 
$
29

Defined Contribution Plans
$
90

 
$
103


There were no contributions to our domestic defined benefit pension plans in the quarters ended March 31, 2014 and 2013.
The following table illustrates the components of net periodic benefit cost for our defined pension and other postretirement benefit plans:
 
Pension Benefits
Quarter Ended March 31,
 
Other Postretirement Benefits
Quarter Ended March 31,
(Dollars in millions)
2014
 
2013
 
2014
 
2013
Service cost
$
122

 
$
144

 
$
1

 
$
1

Interest cost
380

 
343

 
10

 
10

Expected return on plan assets
(554
)
 
(527
)
 
—

 
—

Amortization
(2
)
 
(9
)
 
—

 
(3
)
Recognized actuarial net loss (gain)
107

 
240

 
(1
)
 
(1
)
Net settlement and curtailment gain
—

 
(3
)
 
—

 
—

Total net periodic benefit cost
$
53

 
$
188

 
$
10

 
$
7


 
 
 
 
 
 
 
 

Net settlement and curtailment gain for pension benefits includes curtailment gains of approximately $5 million related to, and recorded in, discontinued operations for the quarter ended March 31, 2013.