Stock Warrants and Earnouts - Warrant Activity (Details)		12 Months Ended
	Feb. 26, 2021 shares	Jan. 31, 2022 shares	Jan. 31, 2021
Warrants Or Rights Outstanding Roll Forward [Roll Forward]
Outstanding at beginning of period (in shares)		38,761,031
Common Stock Warrants as Part of the Merger (in shares)		16,992,130
Warrants exercised (in shares)		(19,959,656)
Warrants redeemed (in shares)		(244,481)
Outstanding at end of period (in shares)		35,549,024
Recapitalization exchange ratio	0.9966	0.9966	0.9966
Common Stock
Warrants Or Rights Outstanding Roll Forward [Roll Forward]
Outstanding at end of period (in shares)	38,761,031	35,538,589
Legacy ChargePoint Shares
Warrants Or Rights Outstanding Roll Forward [Roll Forward]
Stockholders equity exchange ratio	0.9966
Legacy Chargepoint | Common Stock
Warrants Or Rights Outstanding Roll Forward [Roll Forward]
Outstanding at end of period (in shares)		36,402,503
Legacy Warrants
Warrants Or Rights Outstanding Roll Forward [Roll Forward]
Outstanding at beginning of period (in shares)		38,761,031
Common Stock Warrants as Part of the Merger (in shares)		0
Warrants exercised (in shares)		(3,222,442)
Warrants redeemed (in shares)		0
Outstanding at end of period (in shares)		35,538,589
Legacy Warrants | Legacy Chargepoint | Common Stock
Warrants Or Rights Outstanding Roll Forward [Roll Forward]
Warrants exercised (in shares)		(3,222,442)
Private Placement Warrants
Warrants Or Rights Outstanding Roll Forward [Roll Forward]
Outstanding at beginning of period (in shares)		0
Common Stock Warrants as Part of the Merger (in shares)		6,521,568
Warrants exercised (in shares)		(6,511,133)
Warrants redeemed (in shares)		0
Outstanding at end of period (in shares)		10,435
Public Warrants
Warrants Or Rights Outstanding Roll Forward [Roll Forward]
Outstanding at beginning of period (in shares)	10,470,562	0
Common Stock Warrants as Part of the Merger (in shares)		10,470,562
Warrants exercised (in shares)		(10,226,081)
Warrants redeemed (in shares)		(244,481)
Outstanding at end of period (in shares)		0