Additional Financial Information - Components of Other, Net Included in Statements of Operations (Detail) - USD ($) $ in Millions		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Components of Other Income (Expense) [Line Items]
Foreign tax refund payable to 21st Century Fox	[1]		$ (721)
Gain on third party pension contribution	[2]		37
Gain on sale of marketable securities	[3]	$ 29	6
Dividends received from cost method investments		25
Gain on sale of cost method investments		15		$ 12
Gain on CMH transaction	[4]			1,263
Other		6	(11)	(3)
Total Other, net		$ 75	(653)	1,593
Australia [Member]
Components of Other Income (Expense) [Line Items]
Gain on sale of property			$ 36
SKY Network Television Ltd. [Member]
Components of Other Income (Expense) [Line Items]
Gain on sale of investment	[3]			$ 321

[1] See Note 17-Income Taxes

[2] See Note 15-Retirement Benefit Obligations

[3] See Note 5-Investments

[4] See Note 3-Acquisitions, Disposals and Other Transactions