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Contingencies and Litigation (Tables)
 12 Months Ended
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of loss contingencies by contingency Below is a summary of our Brazilian tax contingencies:
December 31,
2021		December 31,
2020
Tax contingency - unreserved$292 $355 
Escrow cash deposits32 39 
Surety bonds96 112 
Letters of credit74 78 
Liens on Brazilian assets— —