Consolidated Statements of Cash Flows - Evergy Kansas Central, Inc - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES:
Net income	$ 576.0	$ 618.9
Adjustments to reconcile income to net cash from operating activities:
Depreciation and amortization	658.1	645.1
Amortization of nuclear fuel	43.8	42.6
Amortization of deferred refueling outage	19.1	19.4
Amortization of corporate-owned life insurance	14.8	16.5
Net deferred income taxes and credits	136.5	111.4
Allowance for equity funds used during construction	(9.9)	(0.9)
Payments for asset retirement obligations	(11.0)	(11.6)
Equity in earnings of equity method investees, net of income taxes	(6.1)	(7.9)
Income from corporate-owned life insurance	(6.8)	(19.5)
Other	0.7	(3.6)
Changes in working capital items:
Accounts receivable	(68.6)	(68.4)
Accounts receivable pledged as collateral	(56.0)	(30.0)
Fuel inventory and supplies	(30.0)	57.0
Prepaid expenses and other current assets	20.9	65.7
Accounts payable	(87.5)	(111.5)
Accrued taxes	192.3	155.3
Other current liabilities	(43.9)	(77.7)
Changes in other assets	88.4	56.1
Changes in other liabilities	(21.2)	(22.5)
Cash Flows from Operating Activities	1,421.7	1,447.3
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES:
Additions to property, plant and equipment	(1,058.1)	(849.1)
Purchase of securities - trusts	(50.3)	(37.4)
Sale of securities - trusts	44.2	32.3
Investment in corporate-owned life insurance	(16.4)	(17.2)
Proceeds from investment in corporate-owned life insurance	60.6	99.1
Other investing activities	(9.9)	0.2
Cash Flows used in Investing Activities	(1,029.9)	(772.1)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES:
Short-term debt, net	(361.9)	(378.0)
Collateralized short-term debt, net	56.0	30.0
Proceeds from long-term debt	889.3	2,374.0
Retirements of long-term debt	(251.1)	(701.1)
Retirements of long-term debt of variable interest entities	(32.3)	(30.3)
Borrowings against cash surrender value of corporate-owned life insurance	54.5	57.2
Repayment of borrowings against cash surrender value of corporate-owned life insurance	(52.5)	(77.4)
Cash dividends paid	(343.6)	(347.5)
Distributions to shareholders of noncontrolling interests	0.0	(8.5)
Other financing activities	(11.8)	(5.3)
Cash Flows used in Financing Activities	(53.4)	(785.4)
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	338.4	(110.2)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	23.2	160.3
End of period	361.6	50.1
Evergy Kansas Central
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES:
Net income	190.7	303.7
Adjustments to reconcile income to net cash from operating activities:
Depreciation and amortization	339.0	331.3
Amortization of nuclear fuel	21.6	21.2
Amortization of deferred refueling outage	9.5	9.7
Amortization of corporate-owned life insurance	14.8	16.5
Net deferred income taxes and credits	155.0	9.5
Allowance for equity funds used during construction	(5.8)	0.0
Payments for asset retirement obligations	(2.1)	(9.5)
Equity in earnings of equity method investees, net of income taxes	(3.4)	(3.6)
Income from corporate-owned life insurance	(6.8)	(18.8)
Other	(4.1)	(4.1)
Changes in working capital items:
Accounts receivable	(124.4)	(55.4)
Accounts receivable pledged as collateral	(29.0)	(15.0)
Fuel inventory and supplies	(12.9)	29.5
Prepaid expenses and other current assets	7.0	12.2
Accounts payable	88.4	(10.4)
Accrued taxes	61.9	92.8
Other current liabilities	(47.1)	(5.8)
Changes in other assets	33.3	23.8
Changes in other liabilities	(35.8)	(31.1)
Cash Flows from Operating Activities	649.8	696.5
CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES:
Additions to property, plant and equipment	(494.2)	(418.4)
Purchase of securities - trusts	(16.7)	(12.6)
Sale of securities - trusts	16.3	13.4
Investment in corporate-owned life insurance	(15.6)	(16.4)
Proceeds from investment in corporate-owned life insurance	60.6	97.4
Other investing activities	(2.3)	(3.2)
Cash Flows used in Investing Activities	(451.9)	(339.8)
CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES:
Short-term debt, net	(249.2)	(229.3)
Collateralized short-term debt, net	29.0	15.0
Proceeds from long-term debt	493.0	294.7
Retirements of long-term debt	(250.0)	(300.0)
Retirements of long-term debt of variable interest entities	(32.3)	(30.3)
Borrowings against cash surrender value of corporate-owned life insurance	51.5	54.2
Repayment of borrowings against cash surrender value of corporate-owned life insurance	(52.5)	(76.3)
Cash dividends paid	(120.0)	(110.0)
Distributions to shareholders of noncontrolling interests	0.0	(8.5)
Other financing activities	(4.2)	(3.0)
Cash Flows used in Financing Activities	(134.7)	(393.5)
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	63.2	(36.8)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	5.2	44.5
End of period	$ 68.4	$ 7.7