UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income		$ 582	$ 90	$ 1,929	$ 917
Other comprehensive income, net of tax
Benefit plan adjustments		9	5	25	17
Other comprehensive income, net of tax		9	5	25	17
Comprehensive income		591	95	1,954	934
Less: Net income attributable to noncontrolling interests	[1]	(15)	(12)	(32)	(40)
Comprehensive income attributable to Fox Corporation stockholders		$ 576	$ 83	$ 1,922	$ 894

[1] Net income attributable to noncontrolling interests includes $5 million and $4 million for the three months ended March 31, 2021 and 2020, respectively, and $13 million and $16 million for the nine months ended March 31, 2021 and 2020, respectively, relating to redeemable noncontrolling interests.