Bird Global, Inc. Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Detail)

Fair Value Measurements - Additional Information (Detail) $ in Millions		3 Months Ended
	Nov. 05, 2021 tradingDay shares	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mark-to-market adjustments of derivatives liabilities, income (expense) \| $		$ 108.6	$ (31.5)
Private Placement Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Class of warrant or right, outstanding	6,550,000
Public Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Class of warrant or right, outstanding	6,324,972
C-1 Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Class of warrant or right, outstanding	59,908
Earnout Shares \| Common Class A
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative instrument, contingent consideration, liability, shares	30,000,000
Derivative instrument, contingent consideration, liability, earnout period	5 years
Derivative instrument, contingent consideration, liability, earnout period, threshold trading days \| tradingDay	10
Derivative instrument, contingent consideration, liability, earnout period, threshold consecutive trading day period \| tradingDay	20
Switchback Founder Earn Back Shares \| Common Class A
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative instrument, contingent consideration, liability, shares	1,976,563
Switchback Founder Earn Back Shares \| Common Class A \| Derivative Instrument, Period, One
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative instrument, contingent consideration, liability, earnout period, threshold trading days \| tradingDay	10
Derivative instrument, contingent consideration, liability, earnout period, threshold consecutive trading day period \| tradingDay	20