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Acquisition of Signode Pro Forma Information (Tables)
6 Months Ended
Jun. 30, 2019
Business Combinations [Abstract]  
Business Acquisition, Pro Forma Information [Table Text Block]
 
Three Months Ended
 
Six Months Ended
 
June 30, 2018
 
June 30, 2018
Pro forma net sales
$
3,046

 
$
5,831

Pro forma net income attributable to Crown Holdings
176

 
244