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Receivables (Tables)
 9 Months Ended
Sep. 30, 2023
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Receivables consisted of the following (dollar amounts in millions):
September 30, 2023December 31, 2022
Trade receivables$148 $106 
Other receivables27 19 
Income tax receivable9 4 
Allowance for doubtful accounts(3)(1)
Total$181 $127