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NON-OPERATING INCOME (EXPENSE) (Notes)
 6 Months Ended
Jun. 30, 2019
Nonoperating Income (Expense) [Abstract]  
Other Nonoperating Income and Expense [Text Block]
NOTE 21 - NON-OPERATING INCOME (EXPENSE)
Components of non-operating income and expense are as follows:  
 
Quarter Ended June 30,
 
Six Months Ended June 30,
Dollar amounts in millions
2019
 
2018
 
2019
 
2018
Interest income
$
2

 
$
5

 
$
6

 
$
8

SERP market adjustments
—

 
—

 
1

 
—

Interest expense
(5
)
 
(5
)
 
(9
)
 
(10
)
Amortization of debt charges
(1
)
 
—

 
(1
)
 
—

Capitalized interest
1

 
1

 
2

 
2

Interest expense, net
(2
)
 
—

 
(1
)
 
(1
)
 
 
 
 
 
 
 
 
Net periodic pension cost, excluding service cost
(1
)
 
(1
)
 
(1
)
 
(2
)
Gain on acquisition of controlling interest
—

 
—

 
14

 
—

Foreign currency gain (loss)
(1
)
 
1

 
(4
)
 
—

Other non-operating items
(2
)
 
(1
)
 
9

 
(2
)
 
 
 
 
 
 
 
 
Total non-operating expense
$
(4
)
 
$
—

 
$
8

 
$
(3
)