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Receivables (Tables)
3 Months Ended
Mar. 31, 2022
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Receivables consisted of the following (dollar amounts in millions):
March 31, 2022December 31, 2021
Trade receivables$305 $172 
Income tax receivable— 
Other receivables17 20 
Allowance for doubtful accounts(2)(2)
Total$320 $191