Additional Financial Information - Components of Other Current Assets (Detail) - USD ($) $ in Millions		Dec. 31, 2016	Jun. 30, 2016
Assets, Current [Abstract]
Inventory	[1]	$ 226	$ 218
Amounts due from 21st Century Fox	[2]	53	55
Prepayments and other current assets		220	240
Total Other current assets		$ 499	$ 513

[1] Inventory at December 31, 2016 and June 30, 2016 was primarily comprised of books, newsprint and programming rights.

[2] Relates to costs incurred in connection with the U.K. Newspaper Matters which will be indemnified by 21st Century Fox.