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Equity - Additional Information (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 12 Months Ended
Jul. 13, 2017
Apr. 18, 2016
Dec. 31, 2021
Dec. 31, 2020
Jun. 11, 2020
Dec. 31, 2019
Sep. 03, 2015
Jun. 29, 2010
Class of Stock [Line Items]                
Ordinary shares issuance ADSs     1,200,000          
Share price       $ 8.01        
Number of shares exercisable     26,989          
Number of shares available for future awards     78,800          
Vesting period, description     The vesting period of the outstanding options and RSUs is generally between 1 to 4 years from the date of grant. The vesting period of PSUs is generally 3 years from the date of grant. The rights of the ordinary shares obtained from the exercise of options, RSUs or PSUs are identical to those of the other ordinary shares of the Company. The contractual term of these options is primarily for ten years.          
Company average share price           $ 11.50    
Total unrecognized compensation cost before tax on employee stock options     $ 2          
Total unrecognized compensation cost before tax on employee stock RSUs     $ 164          
Share based compensation arrangements expected over weighted average period for options     2 months 12 days          
Share based compensation arrangements expected over weighted average period for RSU/PSUs     2 years 6 months          
2010 Long-Term Equity-Based Incentive Plan [Member]                
Class of Stock [Line Items]                
Number of shares exercisable               70,000
2015 Long-Term Equity-Based Incentive Plan [Member]                
Class of Stock [Line Items]                
Number of shares exercisable 142,000 77,000         43,700  
Number of additional shares authorized 65,000 33,300            
2020 Long-Term Equity-Based Incentive Plan [Member]                
Class of Stock [Line Items]                
Number of shares exercisable         68,000