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v3.25.1

Common Stock Warrants - Schedule of Warrants Activity (Details) - shares | 3 Months Ended
--- | ---
Apr. 30, 2025 | Apr. 30, 2024
Warrants Or Rights Outstanding Roll Forward [Roll Forward] |  |
Outstanding at beginning of period (in shares) | 34,499,436 |
Warrants exercised (in shares) | 0 | 0
Outstanding at end of period (in shares) | 34,499,436 |

X
- Definition Warrants Exercised + References No definition available. + Details
Name: | chpt_WarrantsExercised
Namespace Prefix: | chpt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warrants Or Rights Outstanding Roll Forward + References No definition available. + Details
Name: | chpt_WarrantsOrRightsOutstandingRollForwardRollForward
Namespace Prefix: | chpt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant