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Receivables (Tables)
12 Months Ended
Dec. 31, 2021
Receivables [Abstract]  
Schedule of Receivables
20212020
Accounts receivable$1,289 $1,084 
Less: allowance for credit losses(20)(20)
Net trade receivables1,269 1,064 
Unbilled receivables325 248 
Miscellaneous receivables295 210 
$1,889 $1,522