$EVRG
Evergy, Inc. Stock $evrg

$evrg Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000171126923000011 Filed on February 24, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$1.297B	$1.280B	$5.859B
YoY Change	5.96%	14.04%	4.88%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$278.5M	$235.1M	$836.1M
YoY Change	13.77%	-3.09%	2.77%
% of Gross Profit
Operating Expenses	$1.018B	$1.151B	$4.553B
YoY Change	4.81%	17.46%	7.96%
Operating Profit	$279.3M		$1.267B
YoY Change	10.35%		-6.47%
Interest Expense	$123.1M	-$103.8M	$404.0M
YoY Change	34.1%	107.19%	8.43%
% of Operating Profit	44.07%		31.88%
Other Income/Expense, Net	$0.00	-$23.20M	-$58.00M
YoY Change	-100.0%	21.47%	-408.51%
Pretax Income	$156.2M	-$26.80M	$805.2M
YoY Change	15.7%	-137.22%	-19.57%
Income Tax	$12.40M	-$35.60M	$47.50M
% Of Pretax Income	7.94%		5.9%
Net Earnings	$142.6M	$7.500M	$752.7M
YoY Change	16.41%	-85.96%	-14.44%
Net Earnings / Revenue	11.0%	0.59%	12.85%
Basic Earnings Per Share	$0.62		$3.27
Diluted Earnings Per Share	$0.62	$0.03	$3.27
COMMON SHARES
Basic Shares Outstanding	229.6M shares	229.5M shares	229.9M shares
Diluted Shares Outstanding	230.3M shares		230.3M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$28.40M	$25.20M	$25.20M
YoY Change	27.93%	-3.82%	-3.82%
Cash & Equivalents	$28.40M	$25.20M	$25.20M
Short-Term Investments
Other Short-Term Assets	$47.00M	$44.50M	$460.3M
YoY Change	-38.8%	-40.98%	-16.13%
Inventory	$724.1M	$672.9M	$672.9M
Prepaid Expenses
Receivables	$207.3M	$315.3M	$114.4M
Other Receivables	$508.4M	$569.2M	$569.2M
Total Short-Term Assets	$1.798B	$1.842B	$1.842B
YoY Change	4.43%	7.7%	7.7%
LONG-TERM ASSETS
Property, Plant & Equipment	$22.33B	$22.14B	$22.35B
YoY Change	5.54%	5.4%	5.24%
Goodwill	$2.337B	$2.337B
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$553.6M	$534.5M	$2.957B
YoY Change	-5.59%	-5.13%	-8.53%
Total Long-Term Assets	$27.89B	$27.65B	$27.65B
YoY Change	3.22%	3.12%	3.12%
TOTAL ASSETS
Total Short-Term Assets	$1.798B	$1.842B	$1.842B
Total Long-Term Assets	$27.89B	$27.65B	$27.65B
Total Assets	$29.69B	$29.49B	$29.49B
YoY Change	3.29%	3.4%	3.4%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$366.4M	$600.8M	$600.8M
YoY Change	-7.5%	-6.08%	-6.08%
Accrued Expenses	$174.8M	$221.5M	$221.5M
YoY Change	-9.66%	18.13%	18.13%
Deferred Revenue
YoY Change
Short-Term Debt	$2.114B	$1.691B	$1.691B
YoY Change	22.17%	14.41%	14.41%
Long-Term Debt Due	$139.4M	$439.1M	$444.8M
YoY Change	-76.26%	12.79%	12.69%
Total Short-Term Liabilities	$3.466B	$3.494B	$3.494B
YoY Change	2.21%	12.6%	12.6%
LONG-TERM LIABILITIES
Long-Term Debt	$10.10B	$9.906B	$9.947B
YoY Change	9.19%	6.54%	6.51%
Other Long-Term Liabilities	$291.3M	$287.9M	$4.560B
YoY Change	-5.76%	-7.13%	-8.35%
Total Long-Term Liabilities	$16.72B	$16.50B	$14.51B
YoY Change	3.77%	2.02%	1.34%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.466B	$3.494B	$3.494B
Total Long-Term Liabilities	$16.72B	$16.50B	$14.51B
Total Liabilities	$20.18B	$20.00B	$20.01B
YoY Change	3.5%	3.72%	3.79%
SHAREHOLDERS EQUITY
Retained Earnings	$2.300B	$2.299B
YoY Change	10.93%	10.35%
Common Stock	$7.222B	$7.220B
YoY Change	0.22%	0.2%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$9.489B	$9.484B	$9.484B
YoY Change
Total Liabilities & Shareholders Equity	$29.69B	$29.49B	$29.49B
YoY Change	3.29%	3.4%	3.4%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$142.6M	$7.500M	$752.7M
YoY Change	16.41%	-85.96%	-14.44%
Depreciation, Depletion And Amortization	$278.5M	$235.1M	$836.1M
YoY Change	13.77%	-3.09%	2.77%
Cash From Operating Activities	$362.9M	$324.2M	$1.802B
YoY Change	36.89%	2.69%	33.31%
INVESTING ACTIVITIES
Capital Expenditures	$527.7M	$551.9M	$2.167B
YoY Change	0.57%	-195.52%	9.84%
Acquisitions
YoY Change
Other Investing Activities	$4.100M	$24.80M	-$18.80M
YoY Change	355.56%	89.31%	-51.04%
Cash From Investing Activities	-$496.9M	-$527.1M	-$2.152B
YoY Change	-6.47%	-6.66%	12.46%
FINANCING ACTIVITIES
Cash Dividend Paid	$140.7M		$534.8M
YoY Change	7.16%		7.41%
Common Stock Issuance & Retirement, Net			$0.00
YoY Change			-100.0%
Debt Paid & Issued, Net	$300.0M		$410.9M
YoY Change	200.0%		-4.88%
Cash From Financing Activities	$137.2M	203.4M	$349.3M
YoY Change	-47.67%	-18.61%	-21.22%
NET CHANGE
Cash From Operating Activities	$362.9M	324.2M	$1.802B
Cash From Investing Activities	-$496.9M	-527.1M	-$2.152B
Cash From Financing Activities	$137.2M	203.4M	$349.3M
Net Change In Cash	$3.200M	500.0K	-$1.000M
YoY Change	-180.0%	-44.44%	-99.16%
FREE CASH FLOW
Cash From Operating Activities	$362.9M	$324.2M	$1.802B
Capital Expenditures	$527.7M	$551.9M	$2.167B
Free Cash Flow	-$164.8M	-$227.7M	-$364.6M
YoY Change	-36.52%	-125.48%	-41.27%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001711269
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
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CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-38515
CY2022	dei	Entity Registrant Name EntityRegistrantName	EVERGY, INC.
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	82-2733395
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MO
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	1200 Main Street
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Kansas City
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	MO
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	64105
CY2022	dei	City Area Code CityAreaCode	816
CY2022	dei	Local Phone Number LocalPhoneNumber	556-2200
CY2022	dei	Security12b Title Security12bTitle	Evergy, Inc. common stock
CY2022	dei	Trading Symbol TradingSymbol	EVRG
CY2022	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2022	dei	Auditor Name AuditorName	DELOITTE & TOUCHE LLP
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CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-100000	usd
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-2300000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-200000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	0	usd
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	100000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-4000000.0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	100000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	2400000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9500000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5400000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	600000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	774500000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	897300000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	630600000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	12300000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	12200000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	11700000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	762200000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	885100000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	618900000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	25200000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	26200000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	31400000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	32900000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	315300000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	221600000	usd
CY2022Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	359000000.0	usd
CY2021Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	319000000.0	usd
CY2022Q4	us-gaap	Energy Related Inventory EnergyRelatedInventory	672900000	usd
CY2021Q4	us-gaap	Energy Related Inventory EnergyRelatedInventory	566700000	usd
CY2022Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	9300000	usd
CY2021Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	28000000.0	usd
CY2022Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	368000000.0	usd
CY2021Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	424100000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	47800000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	49300000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	44500000	usd
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	75400000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	1842000000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	1710300000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	22136500000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	21002600000	usd
CY2022Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1846300000	usd
CY2021Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1991100000	usd
CY2022Q4	us-gaap	Decommissioning Fund Investments DecommissioningFundInvestments	653300000	usd
CY2021Q4	us-gaap	Decommissioning Fund Investments DecommissioningFundInvestments	768700000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	2336600000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	2336600000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	534500000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	563400000	usd
CY2022Q4	us-gaap	Regulated Entity Other Assets Noncurrent RegulatedEntityOtherAssetsNoncurrent	5370700000	usd
CY2021Q4	us-gaap	Regulated Entity Other Assets Noncurrent RegulatedEntityOtherAssetsNoncurrent	5659800000	usd
CY2022Q4	us-gaap	Assets Assets	29489900000	usd
CY2021Q4	us-gaap	Assets Assets	28520500000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	439100000	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	389300000	usd
CY2022Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	1332300000	usd
CY2021Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	1159300000	usd
CY2022Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	359000000.0	usd
CY2021Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	319000000.0	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	600800000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	639700000	usd
CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	163000000.0	usd
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	150400000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	124300000	usd
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	118800000	usd
CY2022Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	155400000	usd
CY2021Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	70700000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	40400000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	19500000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	81100000	usd
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	51600000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	198400000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	184600000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3493800000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3102900000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	9905700000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	9297900000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1996600000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1861900000	usd
CY2022Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	174600000	usd
CY2021Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	181400000	usd
CY2022Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2566800000	usd
CY2021Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2705000000	usd
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	458400000	usd
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	879100000	usd
CY2022Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1112800000	usd
CY2021Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	940600000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	287900000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	310000000.0	usd
CY2022Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	16502800000	usd
CY2021Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	16175900000	usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	600000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	600000000	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	229546105	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	229299900	shares
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	7219700000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	7205500000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2298500000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2082900000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-34500000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-44000000.0	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	9483700000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	9244400000	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	9600000	usd
CY2021Q4	us-gaap	Minority Interest MinorityInterest	-2700000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9493300000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9241700000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	29489900000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	28520500000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	765000000.0	usd
CY2021	us-gaap	Profit Loss ProfitLoss	891900000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	630000000.0	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	929400000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	896400000	usd
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	880100000	usd
CY2022	evrg	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	55500000	usd
CY2021	evrg	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	51400000	usd
CY2020	evrg	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	58300000	usd
CY2022	evrg	Amortization Of Deferred Refueling Outage Costs AmortizationOfDeferredRefuelingOutageCosts	22300000	usd
CY2021	evrg	Amortization Of Deferred Refueling Outage Costs AmortizationOfDeferredRefuelingOutageCosts	25100000	usd
CY2020	evrg	Amortization Of Deferred Refueling Outage Costs AmortizationOfDeferredRefuelingOutageCosts	25400000	usd
CY2022	evrg	Amortization Of Corporate Owned Life Insurance AmortizationOfCorporateOwnedLifeInsurance	25000000.0	usd
CY2021	evrg	Amortization Of Corporate Owned Life Insurance AmortizationOfCorporateOwnedLifeInsurance	24100000	usd
CY2020	evrg	Amortization Of Corporate Owned Life Insurance AmortizationOfCorporateOwnedLifeInsurance	20100000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	18800000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	15600000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	16000000.0	usd
CY2022	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	7300000	usd
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	102200000	usd
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	126900000	usd
CY2022	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	22500000	usd
CY2021	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	29400000	usd
CY2020	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	17200000	usd
CY2022	evrg	Payments For Asset Retirement Obligations PaymentsForAssetRetirementObligations	13000000.0	usd
CY2021	evrg	Payments For Asset Retirement Obligations PaymentsForAssetRetirementObligations	22600000	usd
CY2020	evrg	Payments For Asset Retirement Obligations PaymentsForAssetRetirementObligations	18400000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7300000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8200000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8300000	usd
CY2022	evrg	Income From Corporate Owned Life Insurance IncomeFromCorporateOwnedLifeInsurance	5600000	usd
CY2021	evrg	Income From Corporate Owned Life Insurance IncomeFromCorporateOwnedLifeInsurance	14200000	usd
CY2020	evrg	Income From Corporate Owned Life Insurance IncomeFromCorporateOwnedLifeInsurance	8200000	usd
CY2022	evrg	Sibley Unit3 Impairment Loss And Other Regulatory Disallowances SibleyUnit3ImpairmentLossAndOtherRegulatoryDisallowances	34900000	usd
CY2021	evrg	Sibley Unit3 Impairment Loss And Other Regulatory Disallowances SibleyUnit3ImpairmentLossAndOtherRegulatoryDisallowances	0	usd
CY2020	evrg	Sibley Unit3 Impairment Loss And Other Regulatory Disallowances SibleyUnit3ImpairmentLossAndOtherRegulatoryDisallowances	0	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-700000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	13800000	usd
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-800000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	59800000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-69900000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4900000	usd
CY2022	evrg	Increase Decrease In Accounts Receivable Pledged As Collateral IncreaseDecreaseInAccountsReceivablePledgedAsCollateral	40000000.0	usd
CY2021	evrg	Increase Decrease In Accounts Receivable Pledged As Collateral IncreaseDecreaseInAccountsReceivablePledgedAsCollateral	-41000000.0	usd
CY2020	evrg	Increase Decrease In Accounts Receivable Pledged As Collateral IncreaseDecreaseInAccountsReceivablePledgedAsCollateral	21000000.0	usd
CY2022	evrg	Increase Decrease In Energy Related Inventory IncreaseDecreaseInEnergyRelatedInventory	105600000	usd
CY2021	evrg	Increase Decrease In Energy Related Inventory IncreaseDecreaseInEnergyRelatedInventory	61600000	usd
CY2020	evrg	Increase Decrease In Energy Related Inventory IncreaseDecreaseInEnergyRelatedInventory	22300000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3100000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	299800000	usd
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-16900000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2100000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-55100000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	134300000	usd
CY2022	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	32200000	usd
CY2021	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	41400000	usd
CY2020	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	6700000	usd
CY2022	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	800000	usd
CY2021	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-19400000	usd
CY2020	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-98900000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-81000000.0	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	251500000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-119500000	usd
CY2022	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	83800000	usd
CY2021	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-31700000	usd
CY2020	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-82000000.0	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1801900000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1351700000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1753800000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2166500000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1972500000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1560300000	usd
CY2022	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	50500000	usd
CY2021	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	158200000	usd
CY2020	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	65600000	usd
CY2022	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	27300000	usd
CY2021	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	115700000	usd
CY2020	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	56500000	usd
CY2022	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	16500000	usd
CY2021	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	14200000	usd
CY2020	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	19100000	usd
CY2022	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	35200000	usd
CY2021	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	77000000.0	usd
CY2020	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	65900000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-18800000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-38400000	usd
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	11100000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2152200000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1913800000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1533700000	usd
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	172900000	usd
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	840500000	usd
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-246900000	usd
CY2022	evrg	Proceeds From Term Loan Facility ProceedsFromTermLoanFacility	500000000.0	usd
CY2021	evrg	Proceeds From Term Loan Facility ProceedsFromTermLoanFacility	0	usd
CY2020	evrg	Proceeds From Term Loan Facility ProceedsFromTermLoanFacility	0	usd
CY2022	evrg	Proceeds From Payments For Issuance Of Collateralized Debt Net ProceedsFromPaymentsForIssuanceOfCollateralizedDebtNet	40000000.0	usd
CY2021	evrg	Proceeds From Payments For Issuance Of Collateralized Debt Net ProceedsFromPaymentsForIssuanceOfCollateralizedDebtNet	-41000000.0	usd
CY2020	evrg	Proceeds From Payments For Issuance Of Collateralized Debt Net ProceedsFromPaymentsForIssuanceOfCollateralizedDebtNet	21000000.0	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	112500000	usd
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	567700000	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	497300000	usd
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	888800000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	410900000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	432000000.0	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	251100000	usd
CY2022	evrg	Retirementsof Long Term Debt Of Vi Es RetirementsofLongTermDebtOfVIEs	0	usd
CY2021	evrg	Retirementsof Long Term Debt Of Vi Es RetirementsofLongTermDebtOfVIEs	18800000	usd
CY2020	evrg	Retirementsof Long Term Debt Of Vi Es RetirementsofLongTermDebtOfVIEs	32300000	usd
CY2022	evrg	Proceeds From Borrowings Against Corporate Owned Life Insurance ProceedsFromBorrowingsAgainstCorporateOwnedLifeInsurance	53500000	usd
CY2021	evrg	Proceeds From Borrowings Against Corporate Owned Life Insurance ProceedsFromBorrowingsAgainstCorporateOwnedLifeInsurance	54400000	usd
CY2020	evrg	Proceeds From Borrowings Against Corporate Owned Life Insurance ProceedsFromBorrowingsAgainstCorporateOwnedLifeInsurance	55500000	usd
CY2022	evrg	Repayments Of Borrowings Against Corporate Owned Life Insurance RepaymentsOfBorrowingsAgainstCorporateOwnedLifeInsurance	28000000.0	usd
CY2021	evrg	Repayments Of Borrowings Against Corporate Owned Life Insurance RepaymentsOfBorrowingsAgainstCorporateOwnedLifeInsurance	62300000	usd
CY2020	evrg	Repayments Of Borrowings Against Corporate Owned Life Insurance RepaymentsOfBorrowingsAgainstCorporateOwnedLifeInsurance	54800000	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	534800000	usd
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	497900000	usd
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	465000000.0	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-11100000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-9300000	usd
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-13600000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	349300000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	443400000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-98400000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1000000.0	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-118700000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	121700000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	26200000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	144900000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23200000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	25200000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	26200000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	144900000	usd
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8545300000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	630000000.0	usd
CY2020	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	5900000	usd
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.05
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	465000000.0	usd
CY2020	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	2000000.0	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	16000000.0	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	3000000.0	usd
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	2400000	usd
CY2020	us-gaap	Stockholders Equity Other StockholdersEquityOther	500000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8718500000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	891900000	usd
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	112500000	usd
CY2021	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	2400000	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	2900000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.178
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	497900000	usd
CY2021	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	1700000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	13800000	usd
CY2021	evrg	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Issuance AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsIssuance	-2900000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	1800000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	5500000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	100000	usd
CY2021	us-gaap	Stockholders Equity Other StockholdersEquityOther	200000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9241700000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	765000000.0	usd
CY2022	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	5200000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.33
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	534800000	usd
CY2022	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	2300000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	18100000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	700000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	5500000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-4000000.0	usd
CY2022	us-gaap	Stockholders Equity Other StockholdersEquityOther	-600000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9493300000	usd
CY2021	evrg	Other Regulatory Disallowances OtherRegulatoryDisallowances	0	usd
CY2020	evrg	Other Regulatory Disallowances OtherRegulatoryDisallowances	0	usd
CY2022Q4	evrg	Owned Generating Capacity And Renewable Purchased Power OwnedGeneratingCapacityAndRenewablePurchasedPower	15400	mw
CY2022	evrg	Number Of Customers Served NumberOfCustomersServed	1700000	customer
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Use of Estimates </span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">The process of preparing financial statements in conformity with generally accepted accounting principles (GAAP) requires the use of estimates and assumptions that affect the reported amounts of certain types of assets, liabilities, revenues and expenses. Such estimates primarily relate to unsettled transactions and events as of the date of the financial statements. Accordingly, upon settlement, actual results may differ from estimated amounts.</span></div>
CY2022Q4	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	180700000	usd
CY2021Q4	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	160900000	usd
CY2022Q4	evrg	Energy Related Inventory Supplies EnergyRelatedInventorySupplies	492200000	usd
CY2021Q4	evrg	Energy Related Inventory Supplies EnergyRelatedInventorySupplies	405800000	usd
CY2022Q4	us-gaap	Energy Related Inventory EnergyRelatedInventory	672900000	usd
CY2021Q4	us-gaap	Energy Related Inventory EnergyRelatedInventory	566700000	usd
CY2022	evrg	Allowance For Borrowed Funds Used During Construction AllowanceForBorrowedFundsUsedDuringConstruction	15800000	usd
CY2021	evrg	Allowance For Borrowed Funds Used During Construction AllowanceForBorrowedFundsUsedDuringConstruction	14700000	usd
CY2020	evrg	Allowance For Borrowed Funds Used During Construction AllowanceForBorrowedFundsUsedDuringConstruction	16500000	usd
CY2022	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	22500000	usd
CY2021	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	29400000	usd
CY2020	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	17200000	usd
CY2022	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	38300000	usd
CY2021	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	44100000	usd
CY2020	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	33700000	usd
CY2022	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.03
CY2022Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	1387400000	usd
CY2021Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	1363000000	usd
CY2022Q4	evrg	Corporate Owned Life Insurance Borrowings CorporateOwnedLifeInsuranceBorrowings	1256600000	usd
CY2021Q4	evrg	Corporate Owned Life Insurance Borrowings CorporateOwnedLifeInsuranceBorrowings	1232300000	usd
CY2022Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	130800000	usd
CY2021Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	130700000	usd
CY2020	evrg	Non Service Cost Component Of Net Benefit Cost NonServiceCostComponentOfNetBenefitCost	58600000	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Losses Policy For Uncollectible Amounts FinancingReceivableAllowanceForCreditLossesPolicyForUncollectibleAmounts	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Allowance for Credit Losses </span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Historical loss information generally provides the basis for the Evergy Companies' assessment of expected credit losses. The Evergy Companies use an aging of accounts receivable method to assess historical loss information. When historical experience may not fully reflect the Evergy Companies' expectations about the future, the Evergy Companies will adjust historical loss information, as necessary, to reflect the current conditions and reasonable and supportable forecasts not already reflected in the historical loss information.</span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Receivables are charged off when they are deemed uncollectible, which is based on a number of factors including specific facts surrounding an account and management's judgment.</span></div>
CY2022	evrg	Non Service Cost Component Of Net Benefit Cost NonServiceCostComponentOfNetBenefitCost	62900000	usd
CY2021	evrg	Non Service Cost Component Of Net Benefit Cost NonServiceCostComponentOfNetBenefitCost	55600000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	12200000	usd
CY2022	evrg	Other Nonoperating Income Expense Other OtherNonoperatingIncomeExpenseOther	-34400000	usd
CY2021	evrg	Other Nonoperating Income Expense Other OtherNonoperatingIncomeExpenseOther	-31800000	usd
CY2020	evrg	Other Nonoperating Income Expense Other OtherNonoperatingIncomeExpenseOther	-19600000	usd
CY2022	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	97300000	usd
CY2021	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	87400000	usd
CY2020	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	78200000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	765000000.0	usd
CY2021	us-gaap	Profit Loss ProfitLoss	891900000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	630000000.0	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	12300000	usd
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	11700000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	752700000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	879700000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	618300000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	229900000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	229000000.0	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	227200000	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	400000	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	600000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	300000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	230300000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	229600000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	227500000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.27
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.84
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.72
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.27
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.83
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.72
CY2022	us-gaap	Interest Paid Net InterestPaidNet	393700000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	356900000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	367600000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	21600000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-19600000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-46500000	usd
CY2022	evrg	Non Cash Property Plant And Equipment Additions Gross NonCashPropertyPlantAndEquipmentAdditionsGross	354700000	usd
CY2021	evrg	Non Cash Property Plant And Equipment Additions Gross NonCashPropertyPlantAndEquipmentAdditionsGross	269300000	usd
CY2020	evrg	Non Cash Property Plant And Equipment Additions Gross NonCashPropertyPlantAndEquipmentAdditionsGross	463300000	usd
CY2022	us-gaap	Stock Issued1 StockIssued1	0	usd
CY2021	us-gaap	Stock Issued1 StockIssued1	700000	usd
CY2020	us-gaap	Stock Issued1 StockIssued1	900000	usd
	evrg	Increase Of Natural Gas And Purchased Power Costs Net Increase In Wholesale Revenues IncreaseOfNaturalGasAndPurchasedPowerCostsNetIncreaseInWholesaleRevenues	367900000	usd
	evrg	Increase Of Natural Gas And Purchased Power Costs Net Increase In Wholesale Revenues IncreaseOfNaturalGasAndPurchasedPowerCostsNetIncreaseInWholesaleRevenues	367900000	usd
CY2022	us-gaap	Payments For Proceeds From Derivative Instrument Investing Activities PaymentsForProceedsFromDerivativeInstrumentInvestingActivities	15100000	usd
CY2022	evrg	Equity Investment Gain Loss Net Of Derivative Gain Loss EquityInvestmentGainLossNetOfDerivativeGainLoss	-16300000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5589200000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5329100000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4781600000	usd
CY2022	evrg	Other Revenue OtherRevenue	269900000	usd
CY2021	evrg	Other Revenue OtherRevenue	257600000	usd
CY2020	evrg	Other Revenue OtherRevenue	131800000	usd
CY2022	us-gaap	Revenues Revenues	5859100000	usd
CY2021	us-gaap	Revenues Revenues	5586700000	usd
CY2020	us-gaap	Revenues Revenues	4913400000	usd
CY2022Q4	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	200900000	usd
CY2021Q4	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	160700000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	31400000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	32900000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	315300000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	221600000	usd
CY2022Q4	evrg	Other Receivables Contracts With Customers OtherReceivablesContractsWithCustomers	113000000.0	usd
CY2021Q4	evrg	Other Receivables Contracts With Customers OtherReceivablesContractsWithCustomers	63700000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	32900000	usd
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	19300000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	16100000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	28000000.0	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	28800000	usd
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	26400000	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	11200000	usd
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	12000000.0	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	31400000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	32900000	usd
CY2022Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	359000000.0	usd
CY2021Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	319000000.0	usd
CY2022Q4	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0506
CY2022Q4	us-gaap	Regulatory Assets RegulatoryAssets	2214300000	usd
CY2021Q4	us-gaap	Regulatory Assets RegulatoryAssets	2415200000	usd
CY2022Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	368000000.0	usd
CY2021Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	424100000	usd
CY2022Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1846300000	usd
CY2021Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1991100000	usd
CY2022Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	2722200000	usd
CY2021Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	2775700000	usd
CY2022Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	155400000	usd
CY2021Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	70700000	usd
CY2022Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2566800000	usd
CY2021Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2705000000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	2336600000	usd
CY2022	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reporting_unit
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	960100000	usd
CY2020Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	941900000	usd
CY2022	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	161800000	usd
CY2021	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	13500000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	13000000.0	usd
CY2021	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	38700000	usd
CY2022	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	44300000	usd
CY2021	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	43400000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1153200000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	960100000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	40400000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	19500000	usd
CY2022Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	1112800000	usd
CY2021Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	940600000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	32129300000	usd
CY2022Q4	evrg	Property Plant And Equipment Adjustment PropertyPlantAndEquipmentAdjustment	724300000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	12304900000	usd
CY2022Q4	evrg	Public Utilities Property Plant And Equipment In Service Net PublicUtilitiesPropertyPlantAndEquipmentInServiceNet	20548700000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	1421200000	usd
CY2022Q4	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	165800000	usd
CY2022Q4	evrg	Plant To Be Retired Net PlantToBeRetiredNet	800000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	22136500000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	30289900000	usd
CY2021Q4	evrg	Property Plant And Equipment Adjustment PropertyPlantAndEquipmentAdjustment	724300000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	11515500000	usd
CY2021Q4	evrg	Public Utilities Property Plant And Equipment In Service Net PublicUtilitiesPropertyPlantAndEquipmentInServiceNet	19498700000	usd
CY2021Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	1350600000	usd
CY2021Q4	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	152500000	usd
CY2021Q4	evrg	Plant To Be Retired Net PlantToBeRetiredNet	800000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	21002600000	usd
CY2022	us-gaap	Depreciation Depreciation	836100000	usd
CY2021	us-gaap	Depreciation Depreciation	813600000	usd
CY2020	us-gaap	Depreciation Depreciation	804700000	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	25300000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	25600000	usd
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	17400000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	18800000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	15600000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	15500000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2600000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-100000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2200000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum	0.32
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0376
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum	0.0145
CY2022Q4	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	2500000000	usd
CY2022Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	1167000000	usd
CY2021Q4	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	2500000000	usd
CY2021Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	1339900000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	439100000	usd
CY2022Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	79600000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	9905700000	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	389300000	usd
CY2021Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	80500000	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	9297900000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	439500000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1300000000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	636000000.0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	350000000.0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	621900000	usd
CY2022Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	25200000	usd
CY2022Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	25100000	usd
CY2022Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	25800000	usd
CY2022Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	26700000	usd
CY2021Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	28300000	usd
CY2021Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	27100000	usd
CY2021Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	14700000	usd
CY2021Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	23500000	usd
CY2022	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	84600000	usd
CY2021	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	117500000	usd
CY2022Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	54400000	usd
CY2022Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	47100000	usd
CY2022Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	7100000	usd
CY2022Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	34300000	usd
CY2022Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	1500000	usd
CY2021Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	1700000	usd
CY2022	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-145600000	usd
CY2021	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	95500000	usd
CY2020	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	45200000	usd
CY2022Q4	evrg	Industry Aggregate Limit For Nuclear Insurance IndustryAggregateLimitForNuclearInsurance	3200000000	usd
CY2022Q4	evrg	Industry Aggregate Limit For Non Nuclear Insurance IndustryAggregateLimitForNonNuclearInsurance	1800000000	usd
CY2022Q4	evrg	Nuclear Liability Insurance Full Limit Of Public Liability NuclearLiabilityInsuranceFullLimitOfPublicLiability	13700000000	usd
CY2022Q4	evrg	Nuclear Liability Insurance Maximum Available Commercial Insurance NuclearLiabilityInsuranceMaximumAvailableCommercialInsurance	500000000	usd
CY2022Q4	evrg	Nuclear Liability Insurance Industry Wide Retrospective Assessment Program NuclearLiabilityInsuranceIndustryWideRetrospectiveAssessmentProgram	13200000000	usd
CY2022Q4	evrg	Nuclear Liability Insurance Owners Insurance Amount Maximum NuclearLiabilityInsuranceOwnersInsuranceAmountMaximum	137600000	usd
CY2022Q4	evrg	Nuclear Liability Insurance Owners Insurance Amount Per Incident NuclearLiabilityInsuranceOwnersInsuranceAmountPerIncident	20500000	usd
CY2022Q4	evrg	Nuclear Liability Insurance Owners Property Insurance Maximum NuclearLiabilityInsuranceOwnersPropertyInsuranceMaximum	2800000000	usd
CY2022Q4	evrg	Nuclear Liability Insurance Owners Nonnuclear Property Insurance Maximum NuclearLiabilityInsuranceOwnersNonnuclearPropertyInsuranceMaximum	2300000000	usd
CY2022Q4	evrg	Nuclear Liability Insurance Owners Property Insurance Assessment Maximum NuclearLiabilityInsuranceOwnersPropertyInsuranceAssessmentMaximum	28300000	usd
CY2022Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On First Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary	371300000	usd
CY2022Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Second Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary	214600000	usd
CY2022Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary	187900000	usd
CY2022Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary	190400000	usd
CY2022Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fifth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary	114600000	usd
CY2022Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Due After Five Years UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears	423500000	usd
CY2022Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	1502300000	usd
CY2022Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	804000000	usd
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	600000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	12000000	shares
CY2021Q1	evrg	Stock To Be Sold And Issued Under Securities Purchase Agreement Shares StockToBeSoldAndIssuedUnderSecuritiesPurchaseAgreementShares	2269447	shares
CY2021Q1	evrg	Stock To Be Soldand Issued Under Securities Purchase Agreement Value StockToBeSoldandIssuedUnderSecuritiesPurchaseAgreementValue	113200000	usd
CY2021Q1	evrg	Warrant To Be Issued Under Securities Purchase Agreementfor Potential Shares Maximum WarrantToBeIssuedUnderSecuritiesPurchaseAgreementforPotentialSharesMaximum	3950000	shares
CY2021Q1	us-gaap	Warrants And Rights Outstanding Term WarrantsAndRightsOutstandingTerm	P3Y
CY2021Q1	us-gaap	Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1	64.70
CY2021Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	112500000	usd
CY2021Q2	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	700000	usd
CY2022Q4	evrg	Restrictionon Payment Of Dividends Minimum Ratio Of Equity To Capitalization RestrictiononPaymentOfDividendsMinimumRatioOfEquityToCapitalization	0.35
CY2022Q4	us-gaap	Amount Of Restricted Net Assets For Consolidated And Unconsolidated Subsidiaries AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries	5800000000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	31900000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	15600000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-26800000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	8300000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-400000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2100000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	40200000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	15200000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-24700000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	17200000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	92800000	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	73100000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-3400000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	14700000	usd
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	59800000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	13800000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	107500000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	132900000	usd
CY2022	evrg	Investment Tax Credit Deferral InvestmentTaxCreditDeferral	0	usd
CY2021	evrg	Investment Tax Credit Deferral InvestmentTaxCreditDeferral	400000	usd
CY2020	evrg	Investment Tax Credit Deferral InvestmentTaxCreditDeferral	0	usd
CY2022	evrg	Investment Tax Credit Amortization InvestmentTaxCreditAmortization	6500000	usd
CY2021	evrg	Investment Tax Credit Amortization InvestmentTaxCreditAmortization	5700000	usd
CY2020	evrg	Investment Tax Credit Amortization InvestmentTaxCreditAmortization	6000000.0	usd
CY2022	evrg	Investment Tax Credit Total Net InvestmentTaxCreditTotalNet	-6500000	usd
CY2021	evrg	Investment Tax Credit Total Net InvestmentTaxCreditTotalNet	-5300000	usd
CY2020	evrg	Investment Tax Credit Total Net InvestmentTaxCreditTotalNet	-6000000.0	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	47500000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	117400000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	102200000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.012
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.010
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.016
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.003
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.010
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.043
CY2022	evrg	Effective Income Tax Rate Reconciliation Effect Of Regulatory Treatment Book Tax Differences EffectiveIncomeTaxRateReconciliationEffectOfRegulatoryTreatmentBookTaxDifferences	-0.084
CY2021	evrg	Effective Income Tax Rate Reconciliation Effect Of Regulatory Treatment Book Tax Differences EffectiveIncomeTaxRateReconciliationEffectOfRegulatoryTreatmentBookTaxDifferences	-0.054
CY2020	evrg	Effective Income Tax Rate Reconciliation Effect Of Regulatory Treatment Book Tax Differences EffectiveIncomeTaxRateReconciliationEffectOfRegulatoryTreatmentBookTaxDifferences	-0.053
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.040
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.028
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.046
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.003
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.003
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.003
CY2022	evrg	Effective Income Tax Rate Reconciliation Afudc Equity EffectiveIncomeTaxRateReconciliationAFUDCEquity	0.006
CY2021	evrg	Effective Income Tax Rate Reconciliation Afudc Equity EffectiveIncomeTaxRateReconciliationAFUDCEquity	0.006
CY2020	evrg	Effective Income Tax Rate Reconciliation Afudc Equity EffectiveIncomeTaxRateReconciliationAFUDCEquity	0.005
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.006
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.004
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.006
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.019
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.002
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.002
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.001
CY2022	evrg	Effective Income Tax Rate Reconciliation Officer Compensation Limitation EffectiveIncomeTaxRateReconciliationOfficerCompensationLimitation	0.003
CY2021	evrg	Effective Income Tax Rate Reconciliation Officer Compensation Limitation EffectiveIncomeTaxRateReconciliationOfficerCompensationLimitation	0.005
CY2020	evrg	Effective Income Tax Rate Reconciliation Officer Compensation Limitation EffectiveIncomeTaxRateReconciliationOfficerCompensationLimitation	0.002
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.005
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.004
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.002
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.058
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.116
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.140
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	311000000.0	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	375200000	usd
CY2022Q4	evrg	Deferred Tax Assets Income Taxes Refundable To Customers DeferredTaxAssetsIncomeTaxesRefundableToCustomers	311000000.0	usd
CY2021Q4	evrg	Deferred Tax Assets Income Taxes Refundable To Customers DeferredTaxAssetsIncomeTaxesRefundableToCustomers	336600000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	86200000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	158300000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	31700000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	40200000	usd
CY2022Q4	us-gaap	Deferred Tax Assets State Taxes DeferredTaxAssetsStateTaxes	145600000	usd
CY2021Q4	us-gaap	Deferred Tax Assets State Taxes DeferredTaxAssetsStateTaxes	146900000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	169700000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	157600000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	248100000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	200000000.0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1303300000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1414800000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	12800000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	12800000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1290500000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1402000000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2770900000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2701100000	usd
CY2022Q4	evrg	Deferred Tax Liabilities Employee Benefit Costs Net DeferredTaxLiabilitiesEmployeeBenefitCostsNet	8800000	usd
CY2021Q4	evrg	Deferred Tax Liabilities Employee Benefit Costs Net DeferredTaxLiabilitiesEmployeeBenefitCostsNet	96800000	usd
CY2022Q4	evrg	Deferred Tax Liabilities Asset Retirement Obligation Regulatory Asset DeferredTaxLiabilitiesAssetRetirementObligationRegulatoryAsset	144300000	usd
CY2021Q4	evrg	Deferred Tax Liabilities Asset Retirement Obligation Regulatory Asset DeferredTaxLiabilitiesAssetRetirementObligationRegulatoryAsset	133700000	usd
CY2022Q4	evrg	Deferred Tax Liabilities Acquisition Premium Net DeferredTaxLiabilitiesAcquisitionPremiumNet	40600000	usd
CY2021Q4	evrg	Deferred Tax Liabilities Acquisition Premium Net DeferredTaxLiabilitiesAcquisitionPremiumNet	43900000	usd
CY2022Q4	evrg	Deferred Tax Liabilities Other Regulatory Assets DeferredTaxLiabilitiesOtherRegulatoryAssets	195600000	usd
CY2021Q4	evrg	Deferred Tax Liabilities Other Regulatory Assets DeferredTaxLiabilitiesOtherRegulatoryAssets	152100000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	126900000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	136300000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	3287100000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	3263900000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1996600000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1861900000	usd
CY2022Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	311000000.0	usd
CY2022Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	25400000	usd
CY2021Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	33600000	usd
CY2022Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	7100000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	5300000	usd
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	5100000	usd
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	7700000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	2400000	usd
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	2500000	usd
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	3100000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	21900000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	21800000	usd
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	22900000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	4900000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5900000	usd
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2100000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	318000000.0	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	280300000	usd
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	296600000	usd
CY2022	us-gaap	Lease Cost LeaseCost	352500000	usd
CY2021	us-gaap	Lease Cost LeaseCost	315600000	usd
CY2020	us-gaap	Lease Cost LeaseCost	332400000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	21100000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	20700000	usd
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	22200000	usd
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2400000	usd
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2600000	usd
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2800000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	5900000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	5300000	usd
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	5600000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	12200000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	16400000	usd
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	6900000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	7000000.0	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1400000	usd
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	5600000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	8000000.0	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	6700000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	5800000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	5400000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	4900000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	36800000	usd
CY2022Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	67600000	usd
CY2022Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	21100000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	46500000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	5700000	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	40800000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	315000000.0	usd
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P12Y1M6D
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.055
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	17600000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	15000000.0	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	10600000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	7900000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	6400000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	25000000.0	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	82500000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	6400000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	76100000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	16100000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	60000000.0	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	77400000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y1M6D
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.024
CY2022	dei	Auditor Firm AuditorFirmId	34

Files In Submission

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0001711269-23-000011-index.html	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
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$EVRG
Evergy, Inc. Stock $evrg

2023 Q1 Form 10-K Financial Statement

#000171126923000011 Filed on February 24, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EVRG Evergy, Inc. Stock $evrg

2023 Q1 Form 10-K Financial Statement

#000171126923000011 Filed on February 24, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EVRG
Evergy, Inc. Stock $evrg