Inventories, Net - Schedule of Estimated Amortization Expense (Details) $ in Millions	Jun. 30, 2026 USD ($)
Inventory Disclosure [Abstract]
2027	$ 622
2028	211
2029	$ 49

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

No definition available.

Name:	fox_EntertainmentLicenseAgreementForProgramMaterialIncludingSportsRightsAdvancesExpectedAmortizationAndFilmMonetizedOnItsOwnExpectedAmortizationYearThree
Namespace Prefix:	fox_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant