Inventories, Net - Schedule of Amortization (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Inventory Disclosure [Abstract]
Total amortization expense	$ 6,468	$ 6,638	$ 5,473

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

No definition available.

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