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Consolidated Balance Sheets - Evergy Metro, Inc (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Allowance for credit losses	$ 24.2	$ 31.4
Common stock - shares authorized (in shares)	600,000,000	600,000,000
Common stock - shares issued (in shares)	229,729,296	229,546,105
Evergy Metro
Allowance for credit losses	$ 7.9	$ 9.3
Common stock - shares authorized (in shares)	1,000	1,000
Common stock - shares issued (in shares)	1	1

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