XML 73 R5.htm IDEA: XBRL DOCUMENT v3.20.1

Consolidated Statements Of Comprehensive Income (Parenthetical)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
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") that represents one Class A ordinary share.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: