General form of registration statement for all companies including face-amount certificate companies

Subsequent Events - Additional Information (Detail)

v3.21.2
Subsequent Events - Additional Information (Detail) - USD ($)
$ in Millions
6 Months Ended
Feb. 28, 2021
Jan. 11, 2021
Jun. 30, 2021
Subsequent Event [Line Items]      
Share-based Compensation Arrangement Award Vesting Period     6 years
Restricted Stock Units (RSUs) [Member]      
Subsequent Event [Line Items]      
Share-based Compensation Arrangement Award Vesting Period     6 years
Subsequent Event [Member] | Restricted Stock Units (RSUs) [Member]      
Subsequent Event [Line Items]      
Number of Shares Available for Grant 2,087,234    
Share-based Compensation Arrangement Vested in Period, Fair Value $ 60.8    
Share-based Compensation Arrangement Award Vesting Period 6 years    
Uber Technologies, Inc. [Member] | Subsequent Event [Member]      
Subsequent Event [Line Items]      
Business Combination, Consideration Transferred, Liabilities Incurred   $ 1.0  
Business Combination, Consideration Transferred   $ 83.0  
Uber Technologies, Inc. [Member] | Series C redeemable convertible preferred stock [Member] | Subsequent Event [Member]      
Subsequent Event [Line Items]      
Stock Issued During Period, Shares, Acquisitions   2,581,285  
Convertible notes, principal amount   $ 75.0