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v3.20.1

Changes in the Carrying Amount of Goodwill (Detail) ¥ in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2019 CNY (¥) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 CNY (¥)
Goodwill [Line Items] |  |  |  |
Beginning Balance | ¥ 18,536 |  |  | ¥ 15,806
Goodwill acquired | 978 |  |  | 3,362
Goodwill disposed | (1,265) | [1] |  | (569)
Foreign currency translation and other adjustments | 1 |  |  | (63)
Ending Balance | 18,250 |  | $ 2,621 | 18,536
iQIYI |  |  |  |
Goodwill [Line Items] |  |  |  |
Beginning Balance | 3,888 |  |  | 3,276
Goodwill acquired |  |  |  | 612
Ending Balance | 3,888 |  | 558 | 3,888
Baidu Core |  |  |  |
Goodwill [Line Items] |  |  |  |
Beginning Balance | 14,648 |  |  | 12,530
Goodwill acquired | 978 |  |  | 2,750
Goodwill disposed | (1,265) | [1] |  | (569)
Foreign currency translation and other adjustments | 1 |  |  | (63)
Ending Balance | ¥ 14,362 |  | $ 2,063 | ¥ 14,648
[1] | Disposition during the year ended December 31, 2019 was primarily related to the disposal of a subsidiary (Note 4).

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