Segment Information (Reconciliation of Revenues and Segment EBITDA from Segments to Consolidated) (Details) - USD ($) $ in Millions		3 Months Ended
		Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Revenues		$ 2,667	$ 2,541
Amortization of cable distribution investments		(9)	(10)
Depreciation and amortization		(50)	(43)
Impairment and restructuring charges		(9)	0
Interest expense		(90)	(16)
Interest income		17	0
Other, net		(15)	139
Income before income tax expense		700	831
Income tax expense		(187)	(216)
Net income		513	615
Less: Net income attributable to noncontrolling interests	[1]	(14)	(11)
Net income attributable to Fox Corporation stockholders		499	604
Operating Segments | Cable Network Programming Segment
Segment Reporting Information [Line Items]
Revenues		1,285	1,265
Segment EBITDA		684	633
Depreciation and amortization		(13)	(11)
Operating Segments | Television Segment
Segment Reporting Information [Line Items]
Revenues		1,356	1,277
Segment EBITDA		251	171
Depreciation and amortization		(15)	(26)
Other, Corporate and Eliminations Segment
Segment Reporting Information [Line Items]
Revenues		26	(1)
Segment EBITDA		(79)	(43)
Depreciation and amortization		$ (22)	$ (6)

[1] Net income attributable to noncontrolling interests includes $9 million and $11 million for the three months ended September 30, 2019 and 2018, respectively, relating to redeemable noncontrolling interests.