Stock Warrants and Earnout - Narrative (Details)					12 Months Ended
	Jul. 06, 2021 shares	Jun. 29, 2021 $ / shares shares	Mar. 12, 2021 USD ($) shares	Feb. 26, 2021 USD ($) day $ / shares shares	Jan. 31, 2023 USD ($) $ / shares shares	Jan. 31, 2022 USD ($) shares	Jan. 31, 2021 USD ($)	Feb. 21, 2022 $ / shares	Jul. 01, 2021 shares	Jun. 04, 2021 shares	Mar. 19, 2021 USD ($) shares	Feb. 25, 2021 shares
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)					34,499,436	35,549,024
Warrants exercised (in shares)					(1,049,588)
Earnout period (in years)				5 years
Proceeds from the exercise of public warrants | $					$ 6,884,000	$ 118,864,000	$ 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 | $											$ 743,700,000
Founder shares surrendered (in shares)		9,000,000	9,000,000
Gain from change in fair value | $					$ 84,400,000
Derivative Liability, Statement of Financial Position [Extensible Enumeration]					Other long-term liabilities	Other long-term liabilities
Derivative, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration]					Change in fair value of warrant liabilities	Change in fair value of warrant liabilities	Change in fair value of warrant liabilities
Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]					Change in fair value of warrant liabilities	Change in fair value of warrant liabilities	Change in fair value of warrant liabilities
Recapitalization exchange ratio						0.9966
Private Placement
Class of Warrant or Right [Line Items]
Number of shares sold (in shares)				22,500,000
Consideration received on sold shares | $				$ 225,000,000
Switchback
Class of Warrant or Right [Line Items]
Earnout period (in years)				5 years
Earn Back price trigger (USD per share) | $ / shares				$ 12.00
Founder shares surrendered (in shares)				984,706
Recapitalization exchange ratio				0.9966
Recapitalization common stock value (in USD per share) | $ / shares				$ 10.00
Legacy Chargepoint shares (in shares)				217,021,368
Shares reserved for potential future issuance upon exercise of stock options and warrants (in shares)				68,896,516
Shares reserved for potential future issuance of earnout shares (in shares)				27,000,000
Additional earn back shares (in shares)				900,000
Number of trading days | day				10
Number of consecutive trading days | day				20
Switchback | Private Placement
Class of Warrant or Right [Line Items]
Number of shares sold (in shares)				22,500,000
Purchase price per share (USD per share) | $ / shares				$ 10.00
Consideration received on sold shares | $				$ 225,000,000
Triggering Event, $15 And $20 VWAP Per Share Thresholds
Class of Warrant or Right [Line Items]
Derivative liability | $			$ 501,100,000
Triggering Event, $15 And $20 VWAP Per Share Thresholds | Minimum
Class of Warrant or Right [Line Items]
Earn Back price trigger (USD per share) | $ / shares				$ 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) | $ / shares				20.00
Triggering Event, $30 VWAP Per Share Threshold
Class of Warrant or Right [Line Items]
Derivative liability | $			$ 242,600,000
Earn Back price trigger (USD per share) | $ / shares		$ 30.00		$ 30.00
Earnout Triggering Event | Share Price Greater Or Equal 20 USD
Class of Warrant or Right [Line Items]
Triggering Share price | $ / shares					$ 20.00
Common Stock
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)						34,499,436
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 | $ / shares					$ 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 | $ / shares					$ 15.00
Common Stock | Legacy Chargepoint
Class of Warrant or Right [Line Items]
Issuance of common stock upon exercise of warrants					1,037,808	2,906,689
Earnout Shares
Class of Warrant or Right [Line Items]
Earnout liability fair value | $				$ 828,200,000
Series H-1 Redeemable Convertible Preferred Stock | Switchback
Class of Warrant or Right [Line Items]
Shares converted (in shares)				22,427,306
Recapitalization exchange ratio				1
Common stock dividends (in shares)				1,026,084
Temporary equity, accrued dividends | $				$ 21,100,000
Series H, Series G, Series F, Series E, And Series D Redeemable Convertible Preferred Stock | Switchback
Class of Warrant or Right [Line Items]
Shares converted (in shares)				160,925,957
Recapitalization exchange ratio				1
Series C Redeemable Convertible Preferred Stock | Switchback
Class of Warrant or Right [Line Items]
Shares converted (in shares)				45,376
Recapitalization exchange ratio				73.4403
Series B Convertible Redeemable Preferred Stock | Switchback
Class of Warrant or Right [Line Items]
Shares converted (in shares)				130,590
Recapitalization exchange ratio				42.9220
Series A Redeemable Convertible Preferred Stock | Switchback
Class of Warrant or Right [Line Items]
Shares converted (in shares)				29,126
Recapitalization exchange ratio				48.2529
Legacy Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)					34,499,436	35,538,589
Warrants exercised (in shares)					(1,039,153)
Legacy Warrants | Common Stock | Legacy Chargepoint
Class of Warrant or Right [Line Items]
Warrants exercised (in shares)					(1,039,153)	(3,222,442)
Private Placement Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)					0	10,435
Warrants exercised (in shares)					(10,435)
Initial measurements of fair value of warrant liability | $					$ 127,900,000
Fair value adjustment of warrants | $						$ 63,700,000
Proceeds from the exercise of public warrants | $					0	117,600,000
Value per common share | $ / shares								$ 0.355
Private Placement Warrants | Switchback
Class of Warrant or Right [Line Items]
Debt converted into warrants (in shares)				1,000,000
Stock price of warrants (in dollars per share) | $ / shares				$ 1.50
Converted instrument, principal amount | $				$ 1,500,000
Public Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)												10,470,562
Initial measurements of fair value of warrant liability | $					153,700,000
Fair value adjustment of warrants | $					$ 15,900,000
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)				35,538,589	34,499,436
Change in fair value of warrant liabilities | $					$ (24,000)	47,822,000	$ 0
Legacy Common Stock Warrants
Class of Warrant or Right [Line Items]
Proceeds from the exercise of public warrants | $					$ 6,900,000	$ 1,200,000
Legacy Common And Preferred Stock Warrants Classified As Equity
Class of Warrant or Right [Line Items]
Warrants outstanding (in shares)					38,761,031