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INCOME TAXES (Tables)
3 Months Ended
Mar. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
 
First Quarter
(Dollars in millions)
2018
 
2017
 
$
 
%
 
$
 
%
Provision for income taxes and tax rate
$
60

 
17
%
 
$
62

 
18
%