Segment Information - Summary Of Reportable Segments Based On The Geographic Areas (Detail) - Reportable Geographical Components [Member] - Bird Rides [Member] |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2021 |
Dec. 31, 2020 |
|
| North America (NA) [Member] | ||
| Segment Reporting Disclosure Of Entitys Reportable Segments [Line Items] | ||
| Description | Includes Canada and the United States | Includes Canada and the United States |
| Europe, Middle East & Africa (EMEA) [Member] | ||
| Segment Reporting Disclosure Of Entitys Reportable Segments [Line Items] | ||
| Description | Includes all countries within the Europeon Union, the United Kingdom and countries within the Middle East | Includes all countries within the EU, UK, and countries within the Middle East |
| Other [Member] | ||
| Segment Reporting Disclosure Of Entitys Reportable Segments [Line Items] | ||
| Description | Includes South America, China, Mexico, Australia, New Zealand | Includes South America, China, Mexico, Australia, New Zealand |