ORGANIZATION AND BASIS OF PRESENTATION - Fuel Inventory and Supplies (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Inventory [Line Items]
Fuel inventory	$ 263.8	$ 257.3
Supplies	536.9	518.9
Fuel inventory and supplies	800.7	776.2
Evergy Kansas Central
Inventory [Line Items]
Fuel inventory	142.1	138.6
Supplies	280.3	273.3
Fuel inventory and supplies	422.4	411.9
Evergy Metro
Inventory [Line Items]
Fuel inventory	84.2	81.5
Supplies	191.8	183.1
Fuel inventory and supplies	$ 276.0	$ 264.6

Energy Related Inventory, Supplies

No definition available.

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- Definition

Carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies relating to a source of usable power held for future sale or future use in manufacturing or production process.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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- Definition

Carrying amount as of the balance sheet date of coal, which is a combustible rock or minerals which are extracted from the ground and used as fuel.

+ References

+ 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

No definition available.

+ Details

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