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

Fair Value Measurements - Additional Information (Details)

v3.21.2
Fair Value Measurements - Additional Information (Details) - Bird Rides [Member] - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Oct. 19, 2020
Jul. 15, 2019
Discount rate based on the stage of development and expected rate of return     25.00%        
Derivative liability           $ 0.6 $ 5.0
Nonoperating Income (Expense) [Member]              
Derivative, gain loss on derivative, net $ 6.4 $ 0.0 $ 53.6 $ 0.1      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]              
Financial liabilities fair value disclosure 142.8   142.8   $ 1.1    
Warrants and rights outstanding         0.6    
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Embedded Derivative Financial Instruments [Member] | Derivative Liability Noncurrent [Member]              
Derivative liability 100.8   100.8        
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Warrant [Member] | Derivative Liability Noncurrent [Member]              
Derivative liability $ 41.9   $ 41.9   $ 0.5    
Maximum [Member]              
Number of months determining redemption or exercise scenarios     16 months        
Minimum [Member]              
Number of months determining redemption or exercise scenarios     1 month