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Contingencies and Litigation (Tables)
 12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Schedule of loss contingencies by contingency Below is a summary of our Brazilian tax contingencies:
December 31,
2020		December 31,
2019
Tax contingency - unreserved$355 $442 
Escrow cash deposits39 51 
Surety bonds112 135 
Letters of credit78 91 
Liens on Brazilian assets— —