Consolidated Statements of Cash Flows - Evergy Metro, Inc - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES:
Net income	$ 125.8	$ 145.7
Adjustments to reconcile income to net cash from operating activities:
Depreciation and amortization	276.1	263.4
Amortization of nuclear fuel	15.7	15.1
Amortization of deferred refueling outage	4.6	4.6
Net deferred income taxes and credits	(11.0)	2.7
Allowance for equity funds used during construction	(3.2)	(2.7)
Payments for asset retirement obligations	(4.4)	(2.6)
Other	0.3	0.3
Changes in working capital items:
Accounts receivable	66.2	93.5
Accounts receivable pledged as collateral	(20.0)	(6.0)
Fuel inventory and supplies	(24.4)	(51.0)
Prepaid expenses and other current assets	(20.2)	0.3
Accounts payable	(152.9)	(197.8)
Accrued taxes	119.3	107.8
Other current liabilities	(37.1)	(3.2)
Changes in other assets	(10.4)	0.4
Changes in other liabilities	(9.2)	(8.9)
Cash Flows from Operating Activities	317.3	362.9
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES:
Additions to property, plant and equipment	(618.6)	(527.7)
Purchase of securities - trusts	(19.5)	(11.0)
Sale of securities - trusts	14.8	7.6
Other investing activities	2.7	(4.1)
Cash Flows used in Investing Activities	(583.2)	(496.9)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES:
Short-term debt, net	139.7	214.2
Collateralized short-term debt, net	20.0	6.0
Proceeds from long-term debt	326.1	393.7
Retirements of long-term debt	0.0	(300.0)
Cash dividends paid	(147.7)	(140.7)
Other financing activities	(5.7)	(4.1)
Cash Flows from Financing Activities	303.6	137.2
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	37.7	3.2
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	27.7	25.2
End of period	65.4	28.4
Evergy Metro
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES:
Net income	32.7	46.8
Adjustments to reconcile income to net cash from operating activities:
Depreciation and amortization	100.5	102.4
Amortization of nuclear fuel	7.9	7.6
Amortization of deferred refueling outage	2.3	2.3
Net deferred income taxes and credits	1.1	10.4
Allowance for equity funds used during construction	0.0	(2.3)
Payments for asset retirement obligations	(2.0)	(0.5)
Other	(0.1)	(0.1)
Changes in working capital items:
Accounts receivable	29.8	22.8
Accounts receivable pledged as collateral	(4.0)	(6.0)
Fuel inventory and supplies	(11.4)	(17.5)
Prepaid expenses and other current assets	(24.8)	(25.4)
Accounts payable	(76.0)	(78.3)
Accrued taxes	41.3	30.1
Other current liabilities	2.3	0.7
Changes in other assets	(1.7)	7.8
Changes in other liabilities	4.2	(7.1)
Cash Flows from Operating Activities	102.1	93.7
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES:
Additions to property, plant and equipment	(187.2)	(189.0)
Purchase of securities - trusts	(16.3)	(8.2)
Sale of securities - trusts	13.2	5.7
Net money pool lending	0.0	31.0
Other investing activities	2.3	1.6
Cash Flows used in Investing Activities	(188.0)	(158.9)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES:
Short-term debt, net	89.7	360.0
Collateralized short-term debt, net	4.0	6.0
Retirements of long-term debt	0.0	(300.0)
Other financing activities	(0.1)	(0.1)
Cash Flows from Financing Activities	93.6	65.9
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	7.7	0.7
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	3.3	3.1
End of period	$ 11.0	$ 3.8