Income Taxes - Net Impact of Tax Refund and Interest, Net of Tax, Recorded in Statement of Operations (Detail) - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014		Jun. 30, 2013
Components Of Income Tax Expense Benefit [Line Items]
Other, net	[1]		$ (721)
Income tax (expense) benefit		$ 134	(691)	[2]	$ (374)
21st Century Fox [Member]
Components Of Income Tax Expense Benefit [Line Items]
Other, net			(721)
Income tax (expense) benefit			721
Net impact to the Statement of Operations			$ 0

[1] See Note 17-Income Taxes

[2] See Discussion of Foreign Tax Refund below.