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Redeemable Noncontrolling Interests - Additional Information (Detail) - USD ($) $ in Millions |  | 1 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Oct. 26, 2017 | May 31, 2016 | Oct. 31, 2015 | Nov. 30, 2014 | Dec. 31, 2019 | Dec. 31, 2018 | Oct. 31, 2018
Subsidary Two [Member] |  |  |  |  |  |  |
Temporary Equity Disclosure [Abstract] |  |  |  |  |  |  |
Outstanding preference shares |  |  |  |  |  |  | 159,820,917
Preferred Stock |  |  |  |  |  |  |
Temporary Equity Disclosure [Abstract] |  |  |  |  |  |  |
Preferred stock, shares issued |  |  |  |  | 0 | 0 |
Outstanding preference shares |  |  |  |  | 0 | 0 |
iQIYI |  |  |  |  |  |  |
Temporary Equity Disclosure [Abstract] |  |  |  |  |  |  |
Preferred shares financing |  |  |  | $ 300 |  |  |
iQIYI | Convertible notes (the"iQIYI Notes") | Preferred Stock |  |  |  |  |  |  |
Temporary Equity Disclosure [Abstract] |  |  |  |  |  |  |
Notes converted to preferred shares | $ 1,200 |  |  |  |  |  |
Xiaodu Life Technology Ltd |  |  |  |  |  |  |
Temporary Equity Disclosure [Abstract] |  |  |  |  |  |  |
Preferred shares financing |  | $ 100 | $ 250 |  |  |  |
Preferred stock, shares issued |  | 42,105,264 | 250,000,000 |  |  |  |

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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). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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