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LEASES - Narrative (Details)	12 Months Ended
	Dec. 31, 2023
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Minimum | Evergy Kansas Central
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Minimum | Evergy Metro
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	15 years
Maximum | Evergy Kansas Central
Lessee, Lease, Description [Line Items]
Remaining lease term	15 years
Maximum | Evergy Metro
Lessee, Lease, Description [Line Items]
Remaining lease term	10 years

X

- Definition

Lease, Remaining Lease Term

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

+ Details

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- Details

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- Details

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X

- Details

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- Details

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