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

Income Taxes - Additional Information (Detail)

v3.21.2
Income Taxes - Additional Information (Detail) - Bird Rides [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Unrecognized tax benefits, income tax penalties accrued         $ 0 $ 0
Effective income tax rate 0.05% 0.03% 0.07% 0.03% (0.03%) (0.07%)
U.S. Federal Net Operating Loss Carryforwards [Member]            
Operating loss carry-forwards         $ 1,900  
U.S. Federal Net Operating Loss Carryforwards [Member] | Indefinite Period [Member]            
Operating loss carry-forwards         657,500  
U.S. State Net Operating Loss Carryforwards [Member]            
Operating loss carry-forwards         465,000  
Foreign Net Operating Loss Carryforwards [Member]            
Operating loss carry-forwards         301,300  
U.S. Federal Research Tax Credit Carryforwards [Member]            
Tax credit carry-forward, amount         3,100  
California Research Tax Credit Carryforwards [Member]            
Tax credit carry-forward, amount         $ 5,100