XML 160 R5.htm IDEA: XBRL DOCUMENT v2.4.0.6

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (Class A Ordinary Shares)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Class A Ordinary Shares
Number of American depositary shares ("ADSs") representing one Class A ordinary share	10	10	10

X

- Definition

The number of American depositary shares ("ADSs") representing one share.

+ References

No definition available.

+ Details

Name:	bidu_AmericanDepositorySharesToSharesRatio
Namespace Prefix:	bidu_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration