Segment Information - Reconciliation of Revenues and Segment EBITDA from Segments to Consolidated (Detail) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Revenues		$ 4,084	$ 3,455	$ 11,881	$ 10,941
Amortization of cable distribution investments		(4)	(5)	(12)	(14)
Depreciation and amortization		(106)	(92)	(308)	(264)
Interest expense, net		(55)	(91)	(183)	(285)
Other, net		(719)	(233)	(722)	(375)
(Loss) income before income tax benefit (expense)		(51)	390	1,231	1,247
Income tax benefit (expense)		1	(100)	(347)	(322)
Net (loss) income		(50)	290	884	925
Less: Net income attributable to noncontrolling interests	[1]	(4)	(7)	(20)	(26)
Net (loss) income attributable to Fox Corporation stockholders		(54)	283	864	899
Cable Network Programming
Segment Reporting Information [Line Items]
Revenues		1,570	1,583	4,633	4,637
Segment EBITDA		792	864	1,887	2,306
Depreciation and amortization		(18)	(16)	(52)	(43)
Television
Segment Reporting Information [Line Items]
Revenues		2,475	1,820	7,123	6,160
Segment EBITDA		117	35	782	121
Depreciation and amortization		(38)	(28)	(97)	(82)
Other, Corporate and Eliminations
Segment Reporting Information [Line Items]
Revenues		39	52	125	144
Segment EBITDA		(76)	(88)	(213)	(242)
Depreciation and amortization		$ (50)	$ (48)	$ (159)	$ (139)

[1] Net income attributable to noncontrolling interests includes $(4) million and $(5) million for the three months ended March 31, 2023 and 2022, respectively, and $(14) million and $(9) million for the nine months ended March 31, 2023 and 2022, respectively, relating to redeemable noncontrolling interests.