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Revenue (Tables) | 9 Months Ended
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Sep. 30, 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):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Packaging |  | $ | 1,829.4 |  |  | $ | 1,501.1 |  |  | $ | 5,171.4 |  |  | $ | 4,378.5 |
Paper |  |  | 150.3 |  |  |  | 178.1 |  |  |  | 457.1 |  |  |  | 518.7 |
Corporate and Other |  |  | 20.4 |  |  |  | 14.5 |  |  |  | 58.6 |  |  |  | 46.8 |
Total revenue |  | $ | 2,000.1 |  |  | $ | 1,693.7 |  |  | $ | 5,687.1 |  |  | $ | 4,944.0 |

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