Related Party Transactions and 21st Century Fox Investment - Schedule of Components of Net Increase in Investment (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Related Party Transaction [Line Items]
Net increase in 21st Century Fox Investment	$ 0	$ 267
21st Century Fox [Member]
Related Party Transaction [Line Items]
Cash pooling and general financing activities		12	[1]
Corporate allocations		62
Cash transfer from 21st Century Fox for acquisitions and dispositions		193
Net increase in 21st Century Fox Investment		$ 267

[1] The nature of activities included in the line item "Cash pooling and general financing activities" includes financing activities for capital transfers, cash sweeps and other treasury services prior to the Separation. Such pooling activities no longer exist between the Company and 21st Century Fox post-separation.