Changes in the Carrying Amount of Goodwill (Detail) ¥ in Millions, $ in Millions	12 Months Ended
Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)
Goodwill [Line Items]
Beginning Balance	¥ 22,586		¥ 22,586
Goodwill acquired (Note 3)	14,197
Ending Balance	36,783	$ 5,260	22,586
Baidu General Business excluding SLG
Goodwill [Line Items]
Beginning Balance	16,988		16,988
Goodwill acquired (Note 3)	14,197
Ending Balance	31,185	4,460	16,988
SLG
Goodwill [Line Items]
Beginning Balance	1,777		1,777
Goodwill acquired (Note 3)	0
Ending Balance	1,777	254	1,777
iQIYI
Goodwill [Line Items]
Beginning Balance	3,821		3,821
Goodwill acquired (Note 3)	0
Ending Balance	¥ 3,821	$ 546	¥ 3,821

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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