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Borrowings and Other Obligations (Tables)
3 Months Ended
Mar. 31, 2020
Debt Disclosure [Abstract]  
Schedule of Short-term Debt and Other Debt Obligations
(Dollars in millions)
3/31/2020
 
12/31/2019
Finance Lease Current Portion
$
11

 
$
10

Other Short-term Loans
15

 
3

Short-term Borrowings
$
26

 
$
13

 
 
 
 
Long-term Debt
$
2,149

 
$
2,151


Fair Value,of Short and Long-term Borrowings
(Dollars in millions)
3/31/2020
 
12/31/2019
Fair Value
$
1,260

 
$
2,252

Carrying Value
2,098

 
2,097