Related Party Transactions and Relationship with 21st Century Fox Investment - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013	Jun. 28, 2013	Jun. 30, 2012
Related Party Transaction [Line Items]
Estimated cash and cash equivalents at distribution date					$ 2,600
Cash and cash equivalents		$ 1,951	$ 3,145	$ 2,381		$ 1,133
Cash distribution from related party		$ 0	$ 217	2,749
21st Century Fox [Member]
Related Party Transaction [Line Items]
Cash distribution from related party	$ 200
Corporate allocations				240
General corporate expenses				112
Historical direct allocations				$ 128