XML 41 R28.htm IDEA: XBRL DOCUMENT v3.4.0.3
Employee Benefit Plans (Tables)
 3 Months Ended
Mar. 31, 2016
Defined Pension, Defined Contribution and Other Postretirement Benefit Plans [Abstract]  
Schedule of Defined Benefit Plans Disclosures [Table Text Block]
Contributions to our plans were as follows:
 
Quarter Ended March 31,
(Dollars in millions)
2016
 
2015
Defined benefit plans
$
75

 
$
45

Defined contribution plans
78

 
96

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)
2016
 
2015
 
2016
 
2015
Service cost
$
94

 
$
125

 
$
1

 
$
1

Interest cost
302

 
351

 
8

 
8

Expected return on plan assets
(556
)
 
(569
)
 
—

 
—

Amortization
(8
)
 
(3
)
 
—

 
—

Recognized actuarial net loss (gain)
135

 
221

 
(1
)
 
(1
)
Net settlement and curtailment loss
12

 
6

 
—

 
—

Total net periodic benefit (income) cost
$
(21
)
 
$
131

 
$
8

 
$
8