Description of Business and Basis of Presentation - Common Stock (Details)	Jun. 29, 2021 shares	Mar. 12, 2021 shares	Feb. 26, 2021 shares	Jul. 31, 2022 shares	Jan. 31, 2022 shares
Schedule Of Reverse Recapitalization [Line Items]
Less surrender of Switchback Founder Shares (in shares)	(9,000,000)	(9,000,000)
Common stock, shares outstanding (in shares)				338,820,463	334,760,615
Recapitalization exchange ratio			0.9966
Switchback
Schedule Of Reverse Recapitalization [Line Items]
Common stock, shares outstanding, beginning balance (in shares)			217,761,738
Less surrender of Switchback Founder Shares (in shares)			(984,706)
Common stock of switchback (in shares)			38,246,989
Shares issued in PIPE (in shares)			22,500,000
Merger and PIPE financing shares (in shares)			60,746,989
Legacy Chargepoint shares (in shares)			217,021,368
Common stock, shares outstanding, ending balance (in shares)			277,768,357
Additional earn back shares (in shares)			900,000
Common stock, shares outstanding (in shares)			277,768,357
Recapitalization exchange ratio			0.9966
Switchback | Switchback
Schedule Of Reverse Recapitalization [Line Items]
Common stock, shares outstanding, beginning balance (in shares)			39,264,704
Less redemption of Switchback shares (in shares)			(33,009)
Common stock, shares outstanding (in shares)