Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 482.0	$ 144.9
Receivables, net of allowance for credit losses of $23.6 and $19.3, respectively	247.5	273.9
Accounts receivable pledged as collateral	365.0	360.0
Fuel inventory and supplies	492.3	504.5
Income taxes receivable	59.9	62.9
Regulatory assets	255.9	206.2
Prepaid expenses and other assets	99.3	71.9
Total Current Assets	2,001.9	1,624.3
PROPERTY, PLANT AND EQUIPMENT, NET	20,102.2	19,951.0
OTHER ASSETS:
Regulatory assets	2,192.0	1,868.2
Nuclear decommissioning trust fund	686.5	652.1
Goodwill	2,336.6	2,336.6
Other	547.7	527.7
Total Other Assets	5,762.8	5,384.6
TOTAL ASSETS	28,020.1	27,114.8
CURRENT LIABILITIES:
Notes payable and commercial paper	1,295.0	315.0
Collateralized note payable	365.0	360.0
Accounts payable	345.3	654.0
Accrued taxes	231.2	143.8
Accrued interest	148.2	123.4
Regulatory liabilities	92.8	26.1
Asset retirement obligations	31.3	40.2
Accrued compensation and benefits	57.3	55.5
Other	144.8	182.6
Total Current Liabilities	3,244.4	2,355.8
LONG-TERM LIABILITIES:
Deferred income taxes	1,707.6	1,664.8
Unamortized investment tax credits	185.2	186.7
Regulatory liabilities	2,647.0	2,638.8
Pension and post-retirement liability	1,136.3	1,149.4
Asset retirement obligations	914.0	901.7
Other	300.6	308.2
Total Long-Term Liabilities	15,981.3	16,040.5
Commitments and Contingencies (Note 9)
Evergy, Inc. Shareholders' Equity:
Common stock - 600,000,000 shares authorized, without par value 226,995,620 and 226,836,670 shares issued, stated value	7,081.5	7,080.0
Retained earnings	1,772.8	1,702.8
Accumulated other comprehensive loss	(48.0)	(49.4)
Total Evergy, Inc. Shareholders' Equity	8,806.3	8,733.4
Noncontrolling Interests	(11.9)	(14.9)
Total Equity	8,794.4	8,718.5
TOTAL LIABILITIES AND EQUITY	28,020.1	27,114.8
Consolidated Entity Excluding Variable Interest Entities (VIE)
CURRENT LIABILITIES:
Current maturities of long-term debt	533.5	436.4
LONG-TERM LIABILITIES:
Long-term debt, net	9,090.6	9,190.9
Variable Interest Entities
CURRENT ASSETS:
PROPERTY, PLANT AND EQUIPMENT, NET	153.2	154.9
CURRENT LIABILITIES:
Current maturities of long-term debt	$ 0.0	$ 18.8