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Other Comprehensive Loss
 12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
Other Comprehensive Loss
NOTE 15 — OTHER COMPREHENSIVE LOSS
The components of accumulated other comprehensive loss are as follows (dollars in millions):
 
 
  
Unrealized
Gains on
Available-
for-Sale

Securities
 
 
Foreign
Currency
Translation
Adjustments
 
 
Defined
Benefit
Plans
 
 
Change
in Fair
Value of
Derivative
Instruments
 
 
Total
 
Balances at December 31, 2018
    $ 3      $ (283 )    $ (148 )    $ 47     $ (381 ) 
Unrealized gains on
available-for-sale
securities, net of $4 of income taxes
      11        —       —       —       11  
Foreign currency translation adjustments, net of $5 of income taxes
      —        —       —       —       —  
Defined benefit plans, net of $14 income tax benefit
      —        —       (49 )      —       (49 ) 
Change in fair value of derivative instruments, net of $13 income tax benefit
      —        —       —       (37 )      (37 ) 
Expense (income) reclassified into operations from other comprehensive income, net of $3 income tax benefit and $3 of income taxes, respectively
      —        —       10       (14 )      (4 ) 
    
 
 
     
 
 
    
 
 
    
 
 
    
 
 
  
Balances at December 31, 2019
      14        (283 )      (187 )      (4 )      (460 ) 
Unrealized gains on
available-for-sale
securities, net of $3 of income taxes
      11        —       —       —       11  
Foreign currency translation adjustments, net of $6 of income taxes
      —        12       —       —       12  
Defined benefit plans, net of $16 income tax benefit
      —        —       (55 )      —       (55 ) 
Change in fair value of derivative instruments, net of $15 income tax benefit
      —        —       —       (51 )      (51 ) 
Expense reclassified into operations from other comprehensive income, net of $6 and $5 of income tax benefits, respectively
      —        —       22       19       41  
    
 
 
     
 
 
    
 
 
    
 
 
    
 
 
  
Balances at December 31, 2020
  
25
 
 
(271
) 
 
(220
) 
 
(36
) 
 
(502
) 
Unrealized losses on
available-for-sale
securities, net of $3 income tax benefit
  
 
(13
) 
 
 
—
 
 
 
—
 
 
 
—
 
 
 
(13
) 
Foreign currency translation adjustments, net of $2 income tax benefit
  
 
—
 
 
 
(7
) 
 
 
—
 
 
 
—
 
 
 
(7
) 
Defined benefit plans, net of $20 of income taxes
  
 
—
 
 
 
—
 
 
 
67
 
 
 
—
 
 
 
67
 
Change in fair value of derivative instruments
  
 
—
 
 
 
—
 
 
 
—
 
 
 
1
 
 
 
1
 
Expense reclassified into operations from other comprehensive income, net of $7 and $8 income tax benefits, respectively
  
 
—
 
 
 
—
 
 
 
21
 
 
 
29
 
 
 
50
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balances at December 31, 2021
  
$
12
 
 
$
(278
) 
 
$
(132
) 
 
$
(6
) 
 
$
(404
)