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Amount of expense for integration-related cost incurred in connection with business combination. Includes system integration and conversion costs; severance and other employee-related costs; restructuring and other post-combination costs. Excludes acquisition-related cost incurred to effect business combination; cost to issue debt or equity securities; and cost related to acquisition of asset.

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- Definition

Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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- Definition

Amount expected to be recognized in earnings for the specified restructuring cost.

+ References

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- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Restructuring - Narrative (Details) - USD ($) $ in Millions	12 Months Ended			14 Months Ended
Restructuring - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2026	Apr. 30, 2025
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 215	$ 64	$ 97
Payments for restructuring	131
Restructuring and related cost, incurred cost	266	97	97
Employee Costs
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	102
Fixed Asset Related Costs
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	3
Other Costs
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	26
Berry Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	194	14	0
Restructuring and related cost, expected cost	280			$ 280	$ 280
Business Combination, Integration-Related Cost, Expected Expense	100
Business Combination, Integration-Related Cost, Expense				84
Berry Plan \| Global Flexible Packaging Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost				78
Berry Plan \| Global Rigid Packaging Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost				114
Berry Plan \| Corporate Segment
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost				16
Berry Plan \| Employee Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	126			126
Restructuring and related cost, incurred cost				118
Berry Plan \| Fixed Asset Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	46			46
Restructuring and related cost, incurred cost				19
Berry Plan \| Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	47			47
Restructuring and related cost, incurred cost				26
Berry Plan \| Restructuring Related
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	61			61
Payments for restructuring	245
Berry Plan \| Restructuring related
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, incurred cost	45
2023 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	44	87
Payments for restructuring				107
Inventory Write-down				$ 15
2023 Restructuring Plan \| Global Flexible Packaging Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring charges		43	69
2023 Restructuring Plan \| Global Rigid Packaging Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring charges		1	18
2023 Restructuring Plan \| Restructuring related
Restructuring Cost and Reserve [Line Items]
Restructuring charges		10	15
Other Restructuring Plans
Restructuring Cost and Reserve [Line Items]
Restructuring charges	21	6	10
Other Restructuring Plans \| Employee Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2	2	1
Other Restructuring Plans \| Fixed Asset Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2		2
Other Restructuring Plans \| Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	5	1	3
Other Restructuring Plans \| Restructuring related
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 12	$ 3	$ 4