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Receivables
9 Months Ended
Sep. 30, 2020
Receivables [Abstract]  
Receivables Receivables
September 30, 2020December 31, 2019
Accounts receivable$1,412 $1,162 
Less: allowance for credit losses(59)(62)
Net trade receivables1,353 1,100 
Unbilled receivables252 226 
Miscellaneous receivables216 202 
Receivables, net$1,821 $1,528