ORGANIZATION AND BASIS OF PRESENTATION - Fuel Inventory and Supplies (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Inventory [Line Items]
Fuel inventory	$ 153.7	$ 146.4
Supplies	358.4	335.2
Fuel inventory and supplies	512.1	481.6
Evergy Kansas Central
Inventory [Line Items]
Fuel inventory	84.9	80.2
Supplies	194.9	186.2
Fuel inventory and supplies	279.8	266.4
Evergy Metro
Inventory [Line Items]
Fuel inventory	47.5	46.1
Supplies	125.7	116.9
Fuel inventory and supplies	$ 173.2	$ 163.0

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ 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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