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Net Income Per Share - Calculation of Basic and Diluted Net Income Per Share Attributable to Common Stockholders (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Numerator:      
Net income $ 325 $ 230 $ 119
Denominator:      
Weighted-average shares outstanding - basic (in shares) 201,430,000 198,094,000 193,096,000
Weighted-average shares outstanding - diluted (in shares) 203,535,000 203,167,000 202,478,000
Net income per share - basic (in USD per share) $ 1.61 $ 1.16 $ 0.61
Net income per share - diluted (in USD per share) $ 1.60 $ 1.13 $ 0.59
Common stock options      
Denominator:      
Potentially dilutive securities (in shares) 117,000 293,000 547,000
RSUs      
Denominator:      
Potentially dilutive securities (in shares) 1,555,000 3,429,000 4,421,000
2022 Notes | 2022 Notes      
Denominator:      
Notes (in shares) 0 535,000 842,000
Notes settlements (in shares) 280,000 116,000 1,931,000
2022 Warrants | Warrants      
Denominator:      
Warrants (in shares) 0 649,000 920,000
Partial settlement of warrants (in shares) 153,000 51,000 721,000