Equity - Summary of Changes in Equity (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Schedule of Capitalization, Equity [Line Items]
Balance, beginning of period			$ 12,676	$ 8,919
Net income	166	1,411	204	1,328
Other comprehensive (loss) income	(240)	(27)	(20)	75
Dividends			(13)	(11)
Other			24	(3)
Net increase in 21st Century Fox investment				2,129
Balance, end of period	12,871	12,437	12,871	12,437
News Corporation Stockholders [Member]
Schedule of Capitalization, Equity [Line Items]
Balance, beginning of period			12,558	8,809
Net income			178	1,307
Other comprehensive (loss) income			(14)	73
Dividends			(1)
Other			28
Net increase in 21st Century Fox investment				2,129
Balance, end of period	12,749	12,318	12,749	12,318
Noncontrolling Interests [Member]
Schedule of Capitalization, Equity [Line Items]
Balance, beginning of period			118	110
Net income			26	21
Other comprehensive (loss) income			(6)	2
Dividends			(12)	(11)
Other			(4)	(3)
Net increase in 21st Century Fox investment
Balance, end of period	$ 122	$ 119	$ 122	$ 119