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Basis of Presentation and Summary of Significant Accounting Policies - Summary of Customer Deposit Activity (Details)	6 Months Ended
	Jun. 30, 2019 USD ($)
Accounting Policies [Abstract]
Customer Deposits as of December 31, 2018	$ 365,815
Customer Deposits applied	(56,585)
New customer Deposits
Customer Deposits as of June 30, 2019	$ 309,230

X

- Definition

Customer Deposits applied.

+ References

No definition available.

+ Details

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Namespace Prefix:	CETY_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

New customer Deposits.

+ References

No definition available.

+ Details

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Namespace Prefix:	CETY_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
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X

- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130533-203044

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

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