Stock Warrants and Earnout - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands					12 Months Ended
	Jul. 06, 2021	Jun. 29, 2021	Mar. 12, 2021	Feb. 26, 2021	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020	Jul. 31, 2021	Jul. 01, 2021	Jun. 04, 2021	Mar. 19, 2021	Feb. 25, 2021
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)					35,549,024	38,761,031
Warrants exercised (in shares)					(19,959,656)
Earnout period (in years)				5 years
Proceeds from the exercise of public warrants					$ 118,864	$ 0	$ 0
Number of days determining Earnout Triggering Event					10 years
Number of consecutive days determining Earnout Triggering Event					20 days
Earnout shares (in shares)			18,000,000
Earnout shares, net (in shares)									8,773,596		17,539,657
Derivative liability											$ 743,700
Founder shares surrendered (in shares)		9,000,000	9,000,000
Gain from change in fair value					$ 84,400
Triggering Event, $15 And $20 VWAP Per Share Thresholds
Class of Warrant or Right [Line Items]
Derivative liability			$ 501,100
Triggering Event, $15 And $20 VWAP Per Share Thresholds | Minimum
Class of Warrant or Right [Line Items]
Earn Back price trigger (USD per share)				$ 15.00
Triggering Event, $15 And $20 VWAP Per Share Thresholds | Maximum
Class of Warrant or Right [Line Items]
Earn Back price trigger (USD per share)				20.00
Triggering Event, $30 VWAP Per Share Threshold
Class of Warrant or Right [Line Items]
Derivative liability			$ 242,600
Earn Back price trigger (USD per share)		$ 30.00		$ 30.00
Earnout Triggering Event | Share Price Greater Or Equal 20 USD
Class of Warrant or Right [Line Items]
Triggering Share price					$ 20.00
Preferred Stock | Legacy Chargepoint
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)					2,358,528
Common Stock
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)				38,761,031	35,538,589
Earnout shares (in shares)					27,000,000
Common Stock | Earnout Triggering Event | Share Price Greater Or Equal 30 USD
Class of Warrant or Right [Line Items]
Threshold triggering Share price					$ 30.00
Common Stock | Earnout Triggering Event | Share Price Greater Or Equal 15 USD
Class of Warrant or Right [Line Items]
Share price triggering Earnout					$ 15.00
Common Stock | Legacy Chargepoint
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)					36,402,503
Issuance of common stock upon exercise of warrants					2,906,689
Earnout Shares
Class of Warrant or Right [Line Items]
Earnout liability fair value				$ 828,200
Series B D E Preferred Stock | Redeemable Convertible Preferred Stock Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)								2,358,528
Legacy Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)					35,538,589	38,761,031
Warrants exercised (in shares)					(3,222,442)
Proceeds from the exercise of public warrants					$ 1,200
Legacy Warrants | Common Stock | Legacy Chargepoint
Class of Warrant or Right [Line Items]
Warrants exercised (in shares)					(3,222,442)
Private Placement Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)					10,435	0
Warrants exercised (in shares)					(6,511,133)
Initial measurements of fair value of warrant liability					$ 127,900
Fair value adjustment of warrants					63,700
Proceeds from the exercise of public warrants					$ 117,600
Public Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)					0	0						10,470,562
Warrants exercised (in shares)					(10,226,081)
Initial measurements of fair value of warrant liability					$ 153,700
Period after merger when warrants become exercisable					30 days
Fair value adjustment of warrants					$ 15,900
Number of warrants called for redemption										244,481
Class of warrants redeemed Or called during period	244,481
Class of warrants reedemption price per warrant	0.01
Common stock warrant
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)				38,761,031	35,538,589	36,402,515
Change in fair value of warrant liabilities					$ 47,822	$ 0	$ 0