Inventories, Net - Schedule of Amortization (Details) - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2026	Sep. 30, 2025
Inventory Disclosure [Abstract]
Total amortization expense	$ 1,186	$ 1,144

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