Business Description (Details 2) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Product Information [Line Items]
Other Costs	$ 14.3	$ 2.7	$ 6.1
Food Industry Market Products [Member]
Product Information [Line Items]
Percentage of total net sales	80.00%
Amcor shareholders percentage ownership post transaction [Member]
Product Information [Line Items]
shareholders percentage ownership	71.00
Bemis shareholders percentage ownership post transaction [Member]
Product Information [Line Items]
shareholders percentage ownership	29.00
termination fee paid to Amcor [Member]
Product Information [Line Items]
termination fee	$ 130.0
termination fee paid to Bemis [Member]
Product Information [Line Items]
termination fee	$ 130.0