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INCOME TAXES (Tables)
6 Months Ended
Jun. 30, 2021
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
 
Second Quarter (1)
First Six Months
(Dollars in millions)2021202020212020
$%$%$%$%
Provision for income taxes and tax rate$37 — $(31)— $99 44 %$25 %
(1)The calculated effective tax rates are greater than 100 percent or less than zero percent.