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Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2018
Income Statement [Abstract]  
Other (income) expense, net [Table Text Block]
Other Income, Net:

Three Months Ended
June 30

Six Months Ended
June 30

2018

2017

2018

2017

(Dollars in Millions)
Pension financing benefits, net
$
3


$
2


$
6


$
5

Transformation initiatives




4



Gain on non-consolidated affiliate transactions, net


3




2


$
3


$
5


$
10


$
7

Schedule of Product Warranty Liability [Table Text Block]
The following table provides a reconciliation of changes in the product warranty and recall claims liability:
 
Six Months Ended June 30
 
2018
 
2017
 
(Dollars in Millions)
Beginning balance
$
49

 
$
55

Accruals for products shipped
9

 
10

Changes in estimates
(2
)
 
2

Specific cause actions
3

 

Recoverable warranty/recalls
2

 

Foreign currency
(1
)
 
2

Settlements
(12
)
 
(19
)
Ending balance
$
48

 
$
50