v3.26.1
Equity - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Jul. 13, 2017
Apr. 18, 2016
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Jun. 11, 2020
Sep. 03, 2015
Jun. 29, 2010
Class of Stock [Line Items]                
Ordinary shares issuance ADSs     1,300,000,000 1,200,000,000        
Share price     $ 31.21          
Number of shares exercisable     11,870,000          
Number of shares available for future awards     52,100,000          
Vesting period, description     The vesting period of the outstanding options and RSUs is generally between one to four years from grant date. The vesting period of PSUs is generally three years from grant date. The rights of ordinary shares obtained from the exercise of options, RSUs or PSUs are identical to those of other ordinary shares of the Company. The contractual term of these options is primarily for ten years.          
Intrinsic value of options outstanding     $ 42 $ 19        
Exercisable     11,870,000 17,713,000 22,703,000      
Intrinsic value of options exercised     $ 17 $ 3        
Average stock price     $ 19.09 $ 15.97        
Unrecognized compensation cost before tax related to RSUs/PSUs     $ 262          
Weighted average period     2 years 4 months 24 days          
Unrecognized compensation costs related to employee stock options     $ 0          
Money Options [Member]                
Class of Stock [Line Items]                
Exercisable     3,500,000          
2010 Long-Term Equity-Based Incentive Plan [Member]                
Class of Stock [Line Items]                
Number of shares exercisable               70,000,000
2015 Long-Term Equity-Based Incentive Plan [Member]                
Class of Stock [Line Items]                
Number of shares exercisable 142,000,000 77,000,000         43,700,000  
Number of additional shares authorized 65,000,000 33,300,000            
2020 Long-Term Equity-Based Incentive Plan [Member]                
Class of Stock [Line Items]                
Number of shares exercisable           68,000,000