v3.26.1
Share-Based Awards Plan - Additional Information of Baidu, Inc. (Detail)
$ / shares in Units, ¥ in Millions, $ in Millions
12 Months Ended
May 08, 2024
shares
Dec. 02, 2021
shares
$ / shares
Sep. 15, 2020
Jul. 31, 2018
shares
Oct. 31, 2010
Oct. 18, 2010
shares
Dec. 31, 2008
shares
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
$ / shares
Dec. 31, 2024
$ / shares
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
$ / shares
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Aug. 31, 2023
shares
Aug. 06, 2016
shares
Parent Company                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Contractual term of share-based awards granted       10 years                        
Percentage of voting power               10.00% 10.00%              
The weighted-average grant-date fair value of restricted shares granted during respective years | $ / shares                 $ 11              
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares [1]                 $ 11              
Parent Company | Employee Stock Option                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Total intrinsic value of options exercised               ¥ 35 $ 5   ¥ 0   ¥ 64      
Total fair value of options vested               35 $ 5   36   85      
Unrecognized share-based compensation cost               ¥ 21           $ 3    
A weighted-average vesting period over which the deferred cost is expected to be recognized               3 years 1 month 6 days 3 years 1 month 6 days              
The weighted-average grant-date fair value of options granted during respective years | $ / shares                 $ 6              
Parent Company | Employee Stock Option | Maximum                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Shares vesting term               4 years 4 years              
Parent Company | Employee Stock Option | Minimum                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Shares vesting term               2 years 2 years              
Parent Company | Restricted Stock                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Unrecognized share-based compensation cost               ¥ 3,800           $ 548    
A weighted-average vesting period over which the deferred cost is expected to be recognized               2 years 10 months 24 days 2 years 10 months 24 days              
Total fair value of shares vested during respective years, restricted shares               ¥ 3,400 $ 483   ¥ 4,400   ¥ 6,100      
The weighted-average grant-date fair value of restricted shares granted during respective years | $ / shares                 $ 11 $ 11   $ 17        
Parent Company | Employee Holding More Than Ten Percent Voting Power | Minimum                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Percentage of the fair market value of the entity's ordinary shares               110.00%           110.00%    
Parent Company | 2008 Plan | Revision of Prior Period, Reclassification, Adjustment | Class A Ordinary Shares                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Number of shares authorized for issuance             274,302,160                  
Parent Company | 2008 Plan | Employee Holding No More Than Ten Percent Voting Power | Maximum                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Contractual term of share-based awards granted             10 years                  
Parent Company | 2008 Plan | Employee Holding More Than Ten Percent Voting Power | Maximum                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Contractual term of share-based awards granted             5 years                  
Parent Company | Stock Incentive Plan 2018 | Revision of Prior Period, Reclassification, Adjustment                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Number of shares authorized for issuance       275,516,000                        
Parent Company | 2023 Share Incentive Plan                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Number of shares authorized for issuance                             281,230,346  
iQIYI | 2010 Equity Incentive Plan                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Number of shares authorized for issuance           58,875,478                   589,729,714
Shares vesting term         4 years                      
iQIYI | 2010 Equity Incentive Plan | Original Term                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Contractual term of share-based awards granted           10 years                    
iQIYI | 2010 Equity Incentive Plan | Modified Term                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Contractual term of share-based awards granted     20 years                          
iQIYI | 2010 and 2021 Equity Incentive Plan                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Unrecognized share-based compensation cost               ¥ 450           $ 64    
A weighted-average vesting period over which the deferred cost is expected to be recognized               2 years 1 month 6 days 2 years 1 month 6 days              
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares                 $ 0.01              
iQIYI | 2021 Equity Incentive Plan                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Number of shares authorized for issuance   364,000,000                            
Contractual term of share-based awards granted   10 years                            
Reduction is ordinary shares for issuance of each restricted stock unit   1.3                            
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares   $ 0                            
iQIYI | 2024 Equity Incentive Plan                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Number of shares authorized for issuance 350,000,000                              
Contractual term of share-based awards granted 10 years                              
Other Subsidiaries                                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                
Shares vesting term               4 years 4 years              
[1] Represents the exercise price per Class A ordinary share, and each ADS represents eight Class A ordinary shares.