XML 54 R37.htm IDEA: XBRL DOCUMENT v3.25.3

Summary of Significant Accounting Policies - Schedule of Depreciation of Fixed Asset Over Estimated Lives (Details)	Sep. 30, 2025
Schedule of Depreciation of Fixed Asset Over Estimated Lives [Abstract]
Software	10 years

X

- References

No definition available.

+ Details

Name:	creg_ScheduleOfDepreciationOfFixedAssetOverEstimatedLivesAbstract
Namespace Prefix:	creg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant