UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Statement Of Income And Comprehensive Income [Abstract]
Net income		$ 1,916	$ 936	$ 2,836	$ 1,824
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments		38	(153)	79	(151)
Cash flow hedges		(1)	5	(1)	13
Unrealized holding gains on securities		97	0	179	0
Benefit plan adjustments		61	34	67	43
Equity method investments		36	(104)	58	(163)
Other comprehensive income (loss), net of tax		231	(218)	382	(258)
Comprehensive income		2,147	718	3,218	1,566
Less: Net income attributable to noncontrolling interests	[1]	(85)	(80)	(150)	(147)
Less: Other comprehensive (income) loss attributable to noncontrolling interests		(4)	21	(13)	20
Comprehensive income attributable to Twenty-First Century Fox, Inc. stockholders		$ 2,058	$ 659	$ 3,055	$ 1,439

[1] Net income attributable to noncontrolling interests includes $48 million and $43 million for the three months ended December 31, 2017 and 2016, respectively, and $77 million and $70 million for the six months ended December 31, 2017 and 2016, respectively, relating to redeemable noncontrolling interests.