Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Mar. 31, 2015		Mar. 31, 2014
Earnings Per Share [Abstract]
Net income attributable to News Corporation stockholders	$ 23		$ 48		$ 231		$ 226
Redeemable preferred stock dividends	0	[1]	0	[1]	(1)	[1]	(1)	[1]
Net income available to News Corporation stockholders - basic and diluted	$ 23		$ 48		$ 230		$ 225
Weighted-average number of shares of common stock outstanding - basic	581.8		579.0		580.5		578.9
Dilutive effect of equity awards	1.4		0.8		1.4		0.7
Weighted-average number of shares of common stock outstanding - diluted	583.2		579.8		581.9		579.6
Net income per share available to News Corporation stockholders - basic	$ 0.04		$ 0.08		$ 0.40		$ 0.39
Net income per share available to News Corporation stockholders - diluted	$ 0.04		$ 0.08		$ 0.40		$ 0.39

[1] In connection with the Separation, as defined below, Twenty-First Century Fox, Inc. ("21st Century Fox") sold 4,000 shares of cumulative redeemable preferred stock with a par value of $5,000 per share of a newly formed U.S. subsidiary of the Company. The preferred stock pays dividends at a rate of 9.5% per annum, payable quarterly. The preferred stock is callable by the Company at any time after the fifth year and is puttable at the option of the holder after 10 years.