Additional Financial Information - Components of Other Current Assets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014		Jun. 30, 2014
Assets, Current [Abstract]
Inventory	$ 274	[1]	$ 310	[1]
Assets held for sale	2		11
Deferred tax assets	76		76
Prepayments and other current assets	277		274
Total Other current assets	$ 629		$ 671

[1] Inventory at December 31, 2014 and June 30, 2014 was primarily comprised of books, newsprint, printing ink, plate material and programming rights.