Segment Information - Schedule of Reconciliation of Revenues and Segment EBITDA from Segments to Consolidated (Detail) - USD ($) $ in Millions		3 Months Ended
		Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Revenues		$ 3,564	$ 3,207
Amortization of cable distribution investments		(4)	(4)
Depreciation and amortization		(91)	(96)
Restructuring, impairment and other corporate matters		(26)	9
Equity earnings of affiliates		3	1
Interest expense, net		(50)	(42)
Non-operating other, net		233	(176)
Income before income tax expense		1,113	561
Income tax expense		(281)	(146)
Net income		832	415
Less: Net income attributable to noncontrolling interests	[1]	(5)	(8)
Net income attributable to Fox Corporation stockholders		827	407
Corporate and Other
Segment Reporting Information [Line Items]
Revenues		65	54
Segment EBITDA		(72)	(89)
Depreciation and amortization		(42)	(49)
Eliminations
Segment Reporting Information [Line Items]
Revenues		(51)	(14)
Cable Network Programming | Operating Segments
Segment Reporting Information [Line Items]
Revenues		1,597	1,387
Segment EBITDA		748	607
Depreciation and amortization		(20)	(18)
Television | Operating Segments
Segment Reporting Information [Line Items]
Revenues		1,953	1,780
Segment EBITDA		372	351
Depreciation and amortization		$ (29)	$ (29)

[1] Net income attributable to noncontrolling interests includes $(2) million and nil for the three months ended September 30, 2024 and 2023, respectively, relating to redeemable noncontrolling interests.