Additional Financial Information - Components of Other Current Assets (Detail) - USD ($) $ in Millions		Dec. 31, 2015	Jun. 30, 2015
Assets, Current [Abstract]
Inventory	[1]	$ 254	$ 299
Deferred tax assets		0	63
Assets held for sale		0	92
Prepayments and other current assets		249	263
Total Other current assets		$ 503	$ 717

[1] Inventory at December 31, 2015 and June 30, 2015 was primarily comprised of books, newsprint, printing ink and programming rights.