UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income		$ 230	$ 314	$ 1,347	$ 827
Other comprehensive income, net of tax
Benefit plan adjustments		7	8	16	12
Other comprehensive income, net of tax		7	8	16	12
Comprehensive income		237	322	1,363	839
Less: Net income attributable to noncontrolling interests	[1]	(6)	(14)	(17)	(28)
Comprehensive income attributable to Fox Corporation stockholders		$ 231	$ 308	$ 1,346	$ 811

[1] Net income attributable to noncontrolling interests includes $4 million and $3 million for the three months ended December 31, 2020 and 2019, respectively, and $8 million and $12 million for the six months ended December 31, 2020 and 2019, respectively, relating to redeemable noncontrolling interests.