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Segment Information - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Intercompany profit eliminated	$ 1	$ 1
Non-reportable segments
Segment Reporting Information [Line Items]
Segment description	The primary sources of revenue included in non-reportable segments are the Company's food can and closures business in North America, aerosol can businesses in North America and Europe, its promotional packaging business in Europe and its tooling and equipment operations in the U.S. and U.K.

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Inter Company Profit Related To Non Reportable Segments

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Description of the sources of revenue included in the "all other" segments category.

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