Related Party Transactions and 21st Century Fox Investment - Schedule of Amount of Accounts Receivable Due from and Payable to Related Parties (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013	Jun. 30, 2013		Jun. 30, 2012
Related Party Transaction [Line Items]
Accounts receivable from related parties	$ 2		$ 2
Notes receivable from related parties	425		412
Accounts payable to related parties	0		0
21st Century Fox [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties		207
Amounts due from 21st Century Fox	$ 66		$ 247	[1]	$ 0	[1]

[1] The amounts due from 21st Century Fox consisted of a receivable of $207 million related to the final cash distribution which was received from 21st Century Fox during the first quarter of fiscal 2014 and $40 million related to the indemnification of certain costs related to the U.K. Newspaper Matters as discussed below.