Restructuring - Restructuring Plan Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 215	$ 64	$ 97
Berry Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	194	14	0
2023 Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	44	87
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 \| Restructuring related
Restructuring Cost and Reserve [Line Items]
Restructuring charges	12	$ 3	4
Other Restructuring Plans \| Fixed Asset Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2		$ 2

- 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.

+ References + Details

- 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.

+ References + Details