Equity-Based Compensation - Summary of Equity-Based Compensation Expense (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	$ 34		$ 49		$ 44
Total intrinsic value of stock options exercised	2		23		12
News Corporation's Employee Stock Compensation Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	34		41		30
Allocated Corporate Expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation	$ 0	[1]	$ 8	[1]	$ 14	[1]

[1] The allocated expense includes executive directors and corporate executives of 21st Century Fox, allocated using a proportional allocation methodology, which management has deemed to be reasonable.