Basis of Presentation and Summary of Significant Accounting Policies - Summary of Property and equipment (Detail) - Bird Rides [Member] |
12 Months Ended |
|---|---|
Dec. 31, 2020 | |
| Furniture & Fixtures [Member] | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 3 years |
| Leasehold Improvements [Member] | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, estimated useful lives | Lesser of useful life or lease term |
| Minimum [Member] | Computer Hardware, Software, and Equipment [Member] | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 2 years |
| Maximum [Member] | Computer Hardware, Software, and Equipment [Member] | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 5 years |