CONSOLIDATED AND COMBINED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net income		$ 1,062	$ 1,643	$ 2,228
Other comprehensive (loss) income, net of tax
Unrealized holding gains on securities		0	0	130
Benefit plan adjustments and other		(109)	(89)	10
Other comprehensive (loss) income, net of tax		(109)	(89)	140
Comprehensive income		953	1,554	2,368
Less: Net income attributable to noncontrolling interests	[1]	(63)	(48)	(41)
Comprehensive income attributable to Fox Corporation stockholders		$ 890	$ 1,506	$ 2,327

[1] Net income attributable to noncontrolling interests includes $33 million, $33 million and $41 million for the fiscal years ended June 30, 2020, 2019 and 2018, respectively, relating to redeemable noncontrolling interests.