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Other Non-Current Assets (Tables)
12 Months Ended
Dec. 31, 2020
Investments, All Other Investments [Abstract]  
Components of Other Non-Current Assets
20202019
Pension assets$532 $491 
Deferred taxes242 278 
Investments25 20 
Debt issuance costs13 15 
Fair value of derivatives11 54 
Other79 109 
$902 $967