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INCOME TAXES (Tables)
9 Months Ended
Sep. 30, 2018
Income Tax Disclosure [Abstract]  
Schedule of Provision for Income Taxes [Table Text Block]
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
Dollars in Millions
2018
 
2017
 
2018
 
2017
Earnings Before Income Taxes
$
2,167

 
$
1,183

 
$
4,463

 
$
4,433

Provision for Income Taxes
255

 
327

 
674

 
1,129

Effective Tax Rate
11.8
%
 
27.6
%
 
15.1
%
 
25.5
%