Additional Financial Information - Components of Other, Net (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2014		Sep. 30, 2013
Other Income and Expenses [Abstract]
Foreign tax refund payable to 21st Century Fox	$ 0	[1]	$ (483)	[1]
Gain on third party pension contribution	0	[2]	37	[2]
Gain on sale of marketable securities	29	[3]	0	[3]
Dividends received from cost method investments	17		0
Other, net	2		5
Total Other, net	$ 48		$ (441)

[1] See Note 12-Income Taxes

[2] See Note 11-Pension and Other Postretirement Benefits

[3] See Note 4-Investments