Inventories, Net - Schedule of Amortization (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Inventory Disclosure [Abstract]
Total amortization expense	$ 2,758	$ 2,467	$ 3,888	$ 3,462

Entertainment License Agreement For Program Material Including Sports Rights Advances Amortization And Film Monetized On Its Own Amortization

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Name:	fox_EntertainmentLicenseAgreementForProgramMaterialIncludingSportsRightsAdvancesAmortizationAndFilmMonetizedOnItsOwnAmortization
Namespace Prefix:	fox_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration