Additional Financial Information - Components of Other, Net (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013		Sep. 30, 2012
Other Income And Expenses [Abstract]
Foreign tax refund payable to 21st Century Fox	$ (483)	[1]	$ 0	[1]
Gain on third party pension contribution	37	[2]	0	[2]
Other, net	5		3
Total Other, net	$ (441)		$ 3

[1] See Note 11 - Income Taxes

[2] See Note 10 - Pension and Other Postretirement Benefits