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Variable Interest Entities (Tables)
12 Months Ended
Dec. 31, 2021
Variable Interest Entity, Primary Beneficiary, Does Not Hold Majority Voting Interest, Disclosures [Abstract]  
Schedule of Financial Information of VIE's The revenues, income before income taxes and net cash provided by operating activities for our variable interest entities are as follows:
 Year ended December 31,
 202120202019
Revenues$92 $104 $93 
Income before income taxes15 10 
Net cash provided by operating activities11 16 12