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LONG-TERM DEBT	6 Months Ended
LONG-TERM DEBT	Jun. 30, 2020
Debt Disclosure [Abstract]
LONG-TERM DEBT	LONG-TERM DEBT Mortgage Bonds In April 2020, Evergy Kansas Central issued, at a discount, $500.0 million of 3.45% First Mortgage Bonds (FMBs), maturing in 2050 and issued a notice of redemption for its $250.0 million of 5.10% FMBs, which had an original maturity date of July 2020. The proceeds from the issuance of Evergy Kansas Central's $500.0 million of 3.45% FMBs were used to redeem the $250.0 million of 5.10% FMBs in May 2020 and for general corporate purposes. In May 2020, Evergy Metro issued, at a discount, $400.0 million of 2.25% Mortgage Bonds, maturing in 2030. The proceeds from the issuance of Evergy Metro's $400.0 million of 2.25% Mortgage Bonds were used to repay a portion of Evergy Metro's borrowings under the master credit facility and for general corporate purposes.