Segment Information - Schedule of Reconciliation of Revenues and Segment EBITDA from Segments to Consolidated (Detail) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Revenues		$ 3,447	$ 4,084	$ 10,888	$ 11,881
Amortization of cable distribution investments		(4)	(4)	(12)	(12)
Depreciation and amortization		(98)	(106)	(291)	(308)
Restructuring, impairment and other corporate matters		(15)	(893)	(24)	(1,015)
Interest expense, net		(55)	(55)	(169)	(183)
Non-operating other, net		242	174	39	293
Income (loss) before income tax (expense) benefit		961	(51)	1,653	1,231
Income tax (expense) benefit		(257)	1	(419)	(347)
Net income (loss)		704	(50)	1,234	884
Less: Net income attributable to noncontrolling interests	[1]	(38)	(4)	(52)	(20)
Net income (loss) attributable to Fox Corporation stockholders		666	(54)	1,182	864
Cable Network Programming
Segment Reporting Information [Line Items]
Revenues		1,472	1,570	4,517	4,633
Segment EBITDA		819	792	1,990	1,887
Depreciation and amortization		(20)	(18)	(57)	(52)
Television
Segment Reporting Information [Line Items]
Revenues		1,938	2,475	6,260	7,123
Segment EBITDA		145	117	358	782
Depreciation and amortization		(29)	(38)	(86)	(97)
Other, Corporate and Eliminations
Segment Reporting Information [Line Items]
Revenues		37	39	111	125
Segment EBITDA		(73)	(76)	(238)	(213)
Depreciation and amortization		$ (49)	$ (50)	$ (148)	$ (159)

[1] Net income attributable to noncontrolling interests includes $(1) million and $(4) million for the three months ended March 31, 2024 and 2023, respectively, and $(5) million and $(14) million for the nine months ended March 31, 2024 and 2023, respectively, relating to redeemable noncontrolling interests.