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Segment Information - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |
Intercompany profit eliminated | $ 1 | $ 1 | $ 5 | $ 5
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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- Definition Inter Company Profit Related To Non Reportable Segments + References No definition available. + Details
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- Definition Description of the sources of revenue included in the "all other" segments category. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8657-108599 + Details
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