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Redeemable Noncontrolling Interests - Additional Information (Detail) - Preferred Stock - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Smart Living Group [Member]
Temporary Equity Disclosure [Abstract]
Preferred stock shares issued during the period		5,639,407	62,697,683
Baidu Kunlun [Member]
Temporary Equity Disclosure [Abstract]
Preferred stock shares issued during the period	407,103	1,068,363	1,897,800

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- Definition

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) during the period. May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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