Additional Financial Information - Components of Other Current Assets (Detail) - USD ($) $ in Millions		Sep. 30, 2015	Jun. 30, 2015
Assets, Current [Abstract]
Inventory	[1]	$ 293	$ 299
Deferred tax assets		67	63
Assets held for sale		5	92
Prepayments and other current assets		265	263
Total Other current assets		$ 630	$ 717

[1] Inventory at September 30, 2015 and June 30, 2015 was primarily comprised of books, newsprint, printing ink, plate material and programming rights.