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Business Combination, Recognized Equity Replacement Awards

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The cash inflow from the additional capital contribution to the entity.

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Estimated period when employee is required to provide service in exchange for share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Number of shares authorized for issuance under share-based payment arrangement.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Amount of cost expensed and capitalized for award under share-based payment arrangement.

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Weighted-average contractual term remaining for option award outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Share-based Compensation - Narrative (Details) - USD ($) shares in Millions, $ in Millions		12 Months Ended
	Apr. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for future issuance (in shares)		2
Share-based payment arrangement, expensed and capitalized, amount		$ 83	$ 74	$ 32
Unrecognized compensation costs		$ 109
Weighted average period of costs expected to be recognized		1 year 7 months 6 days
Stock options outstanding, Aggregate intrinsic value at end of the period		$ 14
Share options outstanding at end of the period		7 years 10 months 24 days
Vested and exercisable, aggregate intrinsic value at end of the period		$ 0
Vested and exercisable, weighted-average contractual life at end of the period		8 months 12 days
Proceeds from exercise of options		$ 6	15	0
Intrinsic value of share options exercised		1	5	0
Berry Global Group, Inc
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business combination recognized equity replacement awards	$ 310
Share-based compensation			34
Unrecognized compensation costs	$ 31
Weighted average period of costs expected to be recognized	3 years
Berry Global Group, Inc \| Pre-Acquisition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business combination recognized equity replacement awards	$ 310
Berry Global Group, Inc \| Post-Conversion
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Business combination recognized equity replacement awards	$ 356
Performance rights/shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of share options vested		$ 0	25	14
Share options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion basis of awards to be exercised into ordinary shares at vesting		100.00%
Fair value of share options vested		$ 2	$ 11	$ 5
Performance rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion basis of awards to be exercised into ordinary shares at vesting		100.00%
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion basis of awards to be exercised into ordinary shares at vesting		100.00%
Officers and employees \| Performance rights/shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period of awards		3 years
Officers and employees \| Performance rights/shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period of awards		4 years
Officers and employees \| Share options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period of awards		6 years
Officers and employees \| Share options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Requisite service period of awards		10 years