Segment Information - Reconciliation of Revenues and Segment EBITDA from Segments to Consolidated (Detail) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Revenues		$ 3,455	$ 3,215	$ 10,941	$ 10,019
Amortization of cable distribution investments		(5)	(6)	(14)	(17)
Depreciation and amortization		(92)	(78)	(264)	(216)
Impairment and restructuring charges		0	0	0	(35)
Interest expense, net		(91)	(98)	(285)	(293)
Other, net		(233)	61	(375)	752
Income before income tax expense		390	778	1,247	2,561
Income tax expense		(100)	(196)	(322)	(632)
Net income		290	582	925	1,929
Less: Net income attributable to noncontrolling interests	[1]	(7)	(15)	(26)	(32)
Net income attributable to Fox Corporation stockholders		283	567	899	1,897
Operating Segments | Cable Network Programming
Segment Reporting Information [Line Items]
Revenues		1,583	1,471	4,637	4,284
Segment EBITDA		864	850	2,306	2,202
Depreciation and amortization		(16)	(16)	(43)	(41)
Operating Segments | Television
Segment Reporting Information [Line Items]
Revenues		1,820	1,695	6,160	5,601
Segment EBITDA		35	135	121	407
Depreciation and amortization		(28)	(26)	(82)	(77)
Operating Segments | Other, Corporate and Eliminations
Segment Reporting Information [Line Items]
Revenues		52	49	144	134
Segment EBITDA		(88)	(86)	(242)	(239)
Depreciation and amortization		$ (48)	$ (36)	$ (139)	$ (98)

[1] Net income attributable to noncontrolling interests includes $(5) million and $5 million for the three months ended March 31, 2022 and 2021, respectively, and $(9) million and $13 million for the nine months ended March 31, 2022 and 2021, respectively, relating to redeemable noncontrolling interests.