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Basis of Presentation and Summary of Significant Accounting Policies - Summary of Deferred Revenue Activity (Details)	6 Months Ended
	Jun. 30, 2019 USD ($)
Accounting Policies [Abstract]
Deferred revenue December 31, 2018	$ 33,000
Deferred revenue recognized in the Quarter
Additional deferred revenue added in the Quarter	14,750
Deferred revenue June 30, 2019	$ 47,750

X

- Definition

Additional deferred revenue.

+ References

No definition available.

+ Details

Name:	CETY_AdditionalDeferredRevenue
Namespace Prefix:	CETY_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(5))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of revenue recognized that was previously reported as deferred or unearned revenue.

+ References

No definition available.

+ Details

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