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Segment Information - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
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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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