Income Taxes - Additional Information (Detail) - USD ($)		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2012
Income Tax Contingency [Line Items]
Income tax refunds		$ 8,000,000	$ 837,000,000		$ 22,000,000
Income tax (expense) benefit		134,000,000	(691,000,000)	[1]	(374,000,000)
Tax expenses to others, net	[2]		721,000,000
Deferred tax asset		1,927,000,000	1,792,000,000
Unrecognized tax benefits		129,000,000	58,000,000		127,000,000	$ 132,000,000
Valuation allowance recorded		1,308,000,000	1,393,000,000
Foregin tax credits		10,000,000
Research and development credits		2,000,000
Uncertain tax positions impacting the effective tax rate		27,000,000
Interest charges related to unrecognized tax benefits		6,000,000			1,000,000
Liabilities for accrued interest related to unrecognized tax benefits		$ 8,000,000	2,000,000
Income tax examination		The U.S. Internal Revenue Service has concluded its examination of the Company's returns through fiscal year 2008, and is currently under exam for fiscal years 2009 through 2013. Additionally, the Company's income tax returns for the fiscal 2007 through 2013 and fiscal 2009 through 2013 are subject to examination in the U.K. and Australia, respectively.
Amount that affect effective income tax rate		$ 52,000,000
Undistributed earnings of foreign subsidiaries		3,500,000,000
Income taxes paid		134,000,000	116,000,000		107,000,000
Net Operating Loss Carryforwards [Member]
Income Tax Contingency [Line Items]
Deferred tax asset		541,000,000	262,000,000
Unrecognized tax benefits		95,000,000	48,000,000
Valuation allowance recorded		304,000,000	142,000,000
Capital Loss Carryforward [Member]
Income Tax Contingency [Line Items]
Deferred tax asset		892,000,000	1,100,000,000
Valuation allowance recorded		892,000,000	1,100,000,000
Capital Loss Carryforward [Member] | Australia [Member]
Income Tax Contingency [Line Items]
Capital loss carryforwards		1,600,000,000
Capital Loss Carryforward [Member] | U.K. [Member]
Income Tax Contingency [Line Items]
Capital loss carryforwards		$ 2,000,000,000
Minimum [Member]
Income Tax Contingency [Line Items]
Period of income tax currently under examination		2009
Amount of uncertain tax liabilities		$ 0
Maximum [Member]
Income Tax Contingency [Line Items]
Period of income tax currently under examination		2013
Amount of uncertain tax liabilities		$ 23,000,000
Foreign Tax Authority [Member]
Income Tax Contingency [Line Items]
Income tax refunds			794,000,000
Income tax (expense) benefit			721,000,000
Capital loss carryforwards		$ 6,000,000
Capital loss carryforwards, expiration date		Dec. 31, 2025
U.S. Federal [Member]
Income Tax Contingency [Line Items]
Capital loss carryforwards		$ 12,000,000
Capital loss carryforwards, expiration date		Dec. 31, 2025
U.S. Federal [Member] | Capital Loss Carryforward [Member]
Income Tax Contingency [Line Items]
Capital loss carryforwards		$ 9,000,000
Capital loss carryforwards, expiration date		Dec. 31, 2016
U.S. States [Member]
Income Tax Contingency [Line Items]
Capital loss carryforwards		$ 28,000,000
State and Foreign Country Jurisdiction [Member]
Income Tax Contingency [Line Items]
Valuation allowance recorded		$ 34,000,000
21st Century Fox [Member]
Income Tax Contingency [Line Items]
Income tax (expense) benefit			721,000,000
Tax expenses to others, net			$ 721,000,000
Deferred tax asset					$ 429,000,000

[1] See Discussion of Foreign Tax Refund below.

[2] See Note 17-Income Taxes