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

Income Taxes - Summary of open tax years for the Company's major tax jurisdictions (Detail)

v3.21.2
Income Taxes - Summary of open tax years for the Company's major tax jurisdictions (Detail) - Bird Rides [Member]
 12 Months Ended
Dec. 31, 2020
U.S. Federal [Member] | Tax Year 2018 [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2018
U.S. Federal [Member] | Tax Year 2020 [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2020
U.S. State [Member] | Tax Year 2018 [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2018
U.S. State [Member] | Tax Year 2020 [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2020
Netherlands [Member] | Tax Year 2018 [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2018
Netherlands [Member] | Tax Year 2020 [Member]  
Income Tax Contingency [Line Items]  
Open Tax Year 2020