Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_PreferredStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Redeemable Noncontrolling Interests - Additional Information (Detail) - USD ($) $ in Thousands	May 31, 2016	Oct. 01, 2015	Nov. 14, 2014
iQiyi
Temporary Equity Disclosure [Abstract]
Acquired percentage of the outstanding equity interest by the new preferred shareholders			13.42%
Total purchase consideration			$ 300,000
Xiaodu
Temporary Equity Disclosure [Abstract]
Total purchase consideration	$ 100,000	$ 250,000
Preferred stock, shares issued	42,105,264	250,000,000