UNAUDITED CONSOLIDATED AND COMBINED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net income		$ 539	$ 466	$ 1,178	$ 1,748
Other comprehensive income (loss), net of tax
Unrealized holding (losses) gains on securities		0	(93)	0	84
Benefit plan adjustments and other		2	(2)	5	1
Other comprehensive income (loss), net of tax		2	(95)	5	85
Comprehensive income		541	371	1,183	1,833
Less: Net income attributable to noncontrolling interests	[1]	(10)	(9)	(37)	(32)
Comprehensive income attributable to Fox Corporation stockholders		$ 531	$ 362	$ 1,146	$ 1,801

[1] Net income attributable to noncontrolling interests includes $6 million and $9 million for the three months ended March 31, 2019 and 2018, respectively, and $27 million and $32 million for the nine months ended March 31, 2019 and 2018, respectively, relating to redeemable noncontrolling interests.