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Summary of Redeemable Noncontrolling Interest (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended
	Nov. 14, 2014
Temporary Equity Disclosure [Abstract]
Acquired percentage of the outstanding equity interest	13.42%bidu_MinorityInterestOwnershipPercentageByRedeemableNoncontrollingOwners
Total purchase consideration	$ 300bidu_AggregateConsiderationFromRedeemableNoncontrollingShareholdersForPurchaseOfRedeemableNoncontrollingInterest

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- Definition

Aggregate consideration from redeemable noncontrolling shareholders for purchase of redeemable noncontrolling interest.

+ References

No definition available.

+ Details

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- Definition

The equity interest of redeemable noncontrolling shareholders in the subsidiary.

+ References

No definition available.

+ Details

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- Details

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