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Severance and Restructuring Costs
9 Months Ended
Sep. 30, 2018
Restructuring and Related Activities [Abstract]  
Severance and Restructuring Costs
(6)  Severance and Restructuring Costs

Changes in our accrued liabilities for severance expenses and restructuring costs were as follows:
 
Successor
 
Severance
 
Restructuring
 
(Dollars in millions)
Balance at January 1, 2018
$
5

 
4

Accrued to expense
15

 
48

Payments, net
(18
)
 
(5
)
Balance at September 30, 2018
$
2

 
47