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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Summary of Revenues Disaggregated by Product Line | The following table presents our revenues disaggregated by product line (dollars in millions):
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Packaging |  | $ | 7,052.6 |  |  | $ | 5,919.5 |  |  | $ | 5,932.2 |
Paper |  |  | 599.7 |  |  |  | 674.8 |  |  |  | 964.3 |
Corporate and Other |  |  | 78.0 |  |  |  | 63.9 |  |  |  | 67.8 |
Total revenue |  | $ | 7,730.3 |  |  | $ | 6,658.2 |  |  | $ | 6,964.3 |

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