v3.26.1
Segments - Sales by Major Product (Details) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales $ 23,506 $ 15,009 $ 13,640
Global Flexible Packaging Solutions      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales 12,829 10,066 9,486
Global Flexible Packaging Solutions | Films and other flexible products      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales 11,742 9,035 8,463
Global Flexible Packaging Solutions | Specialty flexible folding cartons      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales 1,087 1,031 1,022
Global Rigid Packaging Solutions      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales 10,677 4,943 4,154
Global Rigid Packaging Solutions | Films and other flexible products      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales 811 806 847
Global Rigid Packaging Solutions | Containers, preforms, and closures      
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]      
Net sales $ 9,866 $ 4,137 $ 3,308