Additional Financial Information - Components of Other Current Assets (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015		Jun. 30, 2014
Assets, Current [Abstract]
Inventory	$ 370	[1]	$ 310	[1]
Deferred tax assets	79		76
Prepayments and other current assets	252		285
Total Other current assets	$ 701		$ 671

[1] Inventory at March 31, 2015 and June 30, 2014 was primarily comprised of books, newsprint, printing ink, plate material and programming rights.