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Restructuring and Other - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges | $ 1 | $ (4) | $ 15 | $ 34
Transit Packaging |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Gain on disposition of business |  |  |  | 113
Transit Packaging | Overhead Cost Reduction |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges |  |  |  | $ 29
Payments for restructuring |  |  | 9 |
Restructuring accrual | 7 |  | 7 |
Transit Packaging | Internal Reorganization and Headcount Reduction |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring accrual | $ 18 |  | $ 18 |

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