Equity - Summary of Changes in Equity (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Changes In Equity [Line Items]
Balance, beginning of period	$ 11,073	$ 11,782
Net income (loss)	87	0
Other comprehensive income	116	43
Dividends	(80)	(77)
Other	0	(2)
Balance, end of period	11,196	11,746
News Corporation Stockholders [Member]
Changes In Equity [Line Items]
Balance, beginning of period	10,789	11,564
Net income (loss)	68	(15)
Other comprehensive income	112	41
Dividends	(59)	(59)
Other	3	(1)
Balance, end of period	10,913	11,530
Noncontrolling Interests [Member]
Changes In Equity [Line Items]
Balance, beginning of period	284	218
Net income (loss)	19	15
Other comprehensive income	4	2
Dividends	(21)	(18)
Other	(3)	(1)
Balance, end of period	$ 283	$ 216