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Note 7: Employee Benefit Plans
 3 Months Ended
Mar. 31, 2013
Notes to Condensed Consolidated Financial Statements [Abstract]  
Note 7: 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. As part of our acquisition of Goodrich on July 26, 2012, we assumed approximately $1.5 billion of pension and postretirement benefit plan obligations. Contributions to our plans were as follows:
 
Quarter Ended March 31,
(Dollars in millions)
2013
 
2012
Defined Benefit Plans
$
29

 
$
13

Defined Contribution Plans
$
103

 
$
62


There were no contributions to our domestic defined benefit pension plans in the first quarters of 2013 and 2012.
The following tables illustrate 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)
2013
 
2012
 
2013
 
2012
Service cost
$
144

 
$
115

 
$
1

 
$
1

Interest cost
343

 
313

 
10

 
8

Expected return on plan assets
(527
)
 
(456
)
 
—

 
—

Amortization
(9
)
 
(3
)
 
(3
)
 
—

Recognized actuarial net loss (gain)
240

 
181

 
(1
)
 
(2
)
Net settlement and curtailment (gain) loss
(3
)
 
28

 
—

 
—

Total net periodic benefit cost
$
188

 
$
178

 
$
7

 
$
7


Net settlements and curtailment gains for pension benefits include curtailment gains of approximately $5 million related to, and recorded in, discontinued operations for the three months ended March 31, 2013. Net settlements and curtailment losses for pension benefits include curtailment losses of approximately $21 million related to, and recorded in, discontinued operations for the three months ended March 31, 2012.