Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Discontinued Operations, Transaction Agreement (Details) $ in Millions		6 Months Ended
	Nov. 04, 2024 USD ($) Company Subsidary	Mar. 29, 2025 USD ($)	Mar. 30, 2024 USD ($)
Spin-off Agreements [Abstract]
Number of subsidiaries that will provide various services to Magnera \| Subsidary	1
Number of companies that are party to Tax Matters Agreement \| Company	2
Cash transferred to HHFN business related to spin-off		$ 624	$ 0
HHNF [Member]
Spin-off Agreements [Abstract]
Cash transferred to HHFN business related to spin-off	$ 624
Treasure [Member]
Spin-off Agreements [Abstract]
Face amount of debt issued	1,590
Magnera [Member]
Spin-off Agreements [Abstract]
Number of subsidiaries that will provide various services to Berry	$ 1