v3.21.2
Organization and Summary of Significant Accounting Policies - Additional Information (Detail)
4 Months Ended 5 Months Ended 9 Months Ended 12 Months Ended
May 04, 2021
Sep. 30, 2021
Sep. 30, 2021
Dec. 31, 2020
Entity Incorporation, Date of Incorporation May 04, 2021 May 04, 2021    
Bird Rides [Member]        
Entity Incorporation, Date of Incorporation     Apr. 01, 2017 Apr. 01, 2017