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Accumulated Other Comprehensive Income
 12 Months Ended
Dec. 31, 2020
Analysis Of Other Comprehensive Income By Item [Abstract]  
Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income
The components of accumulated other comprehensive income, net of taxes, were as follows:
 
2020

2019
Derivative financial instruments designated as cash flow hedges
$69 

$71 
Foreign currency translation adjustment
(61)

(37)
 
$8 $34