XML 49 R36.htm IDEA: XBRL DOCUMENT v3.4.0.3
Employee Benefit Plans (Tables)
 3 Months Ended
Mar. 31, 2016
Employee Benefit Plans [Abstract]  
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
 
Three Months Ended March 31
(Dollars in millions)
2016
 
2015
Restricted stock

$2

 

$6

Performance stock units
7

 
8

RSUs
18

 
18

Total stock-based compensation

$27

 

$32

 
 
 
 
Stock-based compensation tax benefit

$10

 

$12
Schedule of Net Benefit Costs [Table Text Block]
 
Pension Benefits 1
 
Other Postretirement Benefits
 
Three Months Ended March 31
 
Three Months Ended March 31
(Dollars in millions)
2016
 
2015
 
2016
 
2015
Service cost

$1

 

$1

 

$—

 

$—

Interest cost
24

 
29

 
—

 
—

Expected return on plan assets
(46
)
 
(51
)
 
(1
)
 
(1
)
Amortization of prior service credit
—

 
—

 
(1
)
 
(1
)
Amortization of actuarial loss
6

 
5

 
—

 
—

Net periodic benefit

($15
)
 

($16
)
 

($2
)
 

($2
)

1 Administrative fees are recognized in service cost for each of the periods presented.