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Fair Value Measurements - Narrative (Details) - USD ($) | 3 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Less accumulated impairment | $ 8,000,000 |
Technology intangible impairment charges | 0 | $ 0
Global Flexible Packaging Solutions |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Less accumulated impairment | 1,000,000 | 4,000,000
Asset, Held-for-Sale, Not Part of Disposal Group |  | $ 11,000,000
Global Rigid Packaging Solutions |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Less accumulated impairment | 7,000,000 |
Recurring |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Contingent purchase consideration | 18,000,000 |
FY23 Acquisitions | Recurring |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Contingent purchase consideration | 6,000,000 |
Discma AG |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Contingent purchase consideration | $ 12,000,000 |

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