$EVRG
Evergy, Inc. Stock $evrg

$evrg Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000171126920000012 Filed on March 02, 2020

Income Statement

Concept	2019 Q4	2019	2018 Q4
Revenue	$1.132B	$5.148B	$1.200B
YoY Change	-5.68%	20.39%	101.71%
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	$225.4M	$786.3M	$222.2M
YoY Change	1.44%	38.46%	116.99%
% of Gross Profit
Operating Expenses	$953.7M	$3.930B	$1.050B
YoY Change	-9.15%	17.59%	119.83%
Operating Profit	$165.8M	$1.186B	$150.1M
YoY Change	10.46%	27.01%	22.73%
Interest Expense	-$93.30M	$374.0M	-$85.70M
YoY Change	8.87%	33.76%	111.6%
% of Operating Profit	-56.27%	31.54%	-57.1%
Other Income/Expense, Net	-$9.900M	-$39.00M	-$13.30M
YoY Change	-25.56%	-28.31%	600.0%
Pretax Income	$62.60M	$772.8M	$51.10M
YoY Change	22.5%	28.89%	-31.78%
Income Tax	-$2.200M	$97.00M	$30.70M
% Of Pretax Income	-3.51%	12.55%	60.08%
Net Earnings	$63.90M	$669.9M	$18.50M
YoY Change	245.41%	25.03%	-45.27%
Net Earnings / Revenue	5.65%	13.01%	1.54%
Basic Earnings Per Share		$2.80
Diluted Earnings Per Share	$280.0K	$2.79	$70.50K
COMMON SHARES
Basic Shares Outstanding	227.9M shares	239.5M shares	263.5M shares
Diluted Shares Outstanding		239.9M shares

Balance Sheet

Concept	2019 Q4	2019	2018 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$23.00M	$23.00M	$160.0M
YoY Change	-85.63%	-85.63%	5233.33%
Cash & Equivalents	$23.20M	$23.00M	$160.3M
Short-Term Investments
Other Short-Term Assets	$310.0M	$310.0M	$383.0M
YoY Change	-19.06%	-19.06%	175.54%
Inventory	$482.0M	$482.0M	$511.0M
Prepaid Expenses
Receivables	$228.5M	$440.0M	$464.0M
Other Receivables	$213.0M	$213.0M	$163.0M
Total Short-Term Assets	$1.468B	$1.468B	$1.681B
YoY Change	-12.69%	-12.67%	131.22%
LONG-TERM ASSETS
Property, Plant & Equipment	$19.18B	$19.45B	$18.78B
YoY Change	2.14%	2.63%	96.6%
Goodwill	$2.337B		$2.339B
YoY Change	-0.1%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$511.5M	$2.721B	$396.5M
YoY Change	29.0%	3.58%	61.97%
Total Long-Term Assets	$5.162B	$24.51B	$4.965B
YoY Change	3.96%	2.47%	325.37%
TOTAL ASSETS
Total Short-Term Assets	$1.468B	$1.468B	$1.681B
Total Long-Term Assets	$5.162B	$24.51B	$4.965B
Total Assets	$25.98B	$25.98B	$25.60B
YoY Change	1.48%	1.48%	120.21%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$528.8M	$529.0M	$451.5M
YoY Change	17.12%	17.04%	121.11%
Accrued Expenses	$138.0M	$138.0M	$111.0M
YoY Change	24.32%	24.32%	-12.6%
Deferred Revenue
YoY Change
Short-Term Debt	$901.0M	$901.0M	$1.104B
YoY Change	-18.39%	-18.39%	300.0%
Long-Term Debt Due	$251.1M	$288.0M	$705.4M
YoY Change	-64.4%	-60.87%
Total Short-Term Liabilities	$2.336B	$2.336B	$2.867B
YoY Change	-18.53%	-18.52%	248.09%
LONG-TERM LIABILITIES
Long-Term Debt	$8.747B	$8.813B	$6.636B
YoY Change	31.8%	30.89%	79.96%
Other Long-Term Liabilities	$340.7M	$4.537B	$236.7M
YoY Change	43.94%	2.9%	77.57%
Total Long-Term Liabilities	$15.09B	$13.35B	$12.74B
YoY Change	18.48%	19.82%	83.57%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.336B	$2.336B	$2.867B
Total Long-Term Liabilities	$15.09B	$13.35B	$12.74B
Total Liabilities	$17.43B	$17.40B	$15.61B
YoY Change	11.68%	11.78%	101.02%
SHAREHOLDERS EQUITY
Retained Earnings	$1.552B		$1.346B
YoY Change	15.27%		14.72%
Common Stock	$7.070B		$8.685B
YoY Change	-18.59%		217.58%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$8.572B	$8.572B	$10.03B
YoY Change
Total Liabilities & Shareholders Equity	$25.98B	$25.98B	$25.60B
YoY Change	1.48%	1.48%	120.21%

Cashflow Statement

Concept	2019 Q4	2019	2018 Q4
OPERATING ACTIVITIES
Net Income	$63.90M	$669.9M	$18.50M
YoY Change	245.41%	25.03%	-45.27%
Depreciation, Depletion And Amortization	$225.4M	$786.3M	$222.2M
YoY Change	1.44%	38.46%	116.99%
Cash From Operating Activities	$301.7M	$1.749B	$306.2M
YoY Change	-1.47%	16.77%	80.01%
INVESTING ACTIVITIES
Capital Expenditures	-$361.0M	$1.210B	-$371.4M
YoY Change	-2.8%	13.13%	85.7%
Acquisitions
YoY Change
Other Investing Activities	$52.80M	$5.100M	-$6.000M
YoY Change	-980.0%	-71.02%	-1100.0%
Cash From Investing Activities	-$308.2M	-$1.080B	-$377.4M
YoY Change	-18.34%	-647.26%	89.27%
FINANCING ACTIVITIES
Cash Dividend Paid		$462.5M
YoY Change		-2.63%
Common Stock Issuance & Retirement, Net		$1.629B
YoY Change		56.26%
Debt Paid & Issued, Net		$701.1M
YoY Change		77.13%
Cash From Financing Activities	-20.40M	-$805.8M	-448.3M
YoY Change	-95.45%	-47.62%	-1624.83%
NET CHANGE
Cash From Operating Activities	301.7M	$1.749B	306.2M
Cash From Investing Activities	-308.2M	-$1.080B	-377.4M
Cash From Financing Activities	-20.40M	-$805.8M	-448.3M
Net Change In Cash	-26.90M	-$137.1M	-519.5M
YoY Change	-94.82%	-187.44%	-519600.0%
FREE CASH FLOW
Cash From Operating Activities	$301.7M	$1.749B	$306.2M
Capital Expenditures	-$361.0M	$1.210B	-$371.4M
Free Cash Flow	$662.7M	$538.9M	$677.6M
YoY Change	-2.2%	25.88%	83.09%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0001711269
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.60
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.735
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.93
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	600000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	255326252	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	226641443	shares
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	001-38515
CY2019	dei	Entity Registrant Name EntityRegistrantName	EVERGY, INC.
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	82-2733395
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MO
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	1200 Main Street
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Kansas City
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	MO
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	64105
CY2019	dei	City Area Code CityAreaCode	816
CY2019	dei	Local Phone Number LocalPhoneNumber	556-2200
CY2019	dei	Security12b Title Security12bTitle	Evergy, Inc. common stock
CY2019	dei	Trading Symbol TradingSymbol	EVRG
CY2019	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q2	dei	Entity Public Float EntityPublicFloat	14138041261	USD
CY2020Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	226659013	shares
CY2019	us-gaap	Revenues Revenues	5147800000	USD
CY2018	us-gaap	Revenues Revenues	4275900000	USD
CY2017	us-gaap	Revenues Revenues	2571000000.0	USD
CY2019	evrg	Fuel And Purchased Power FuelAndPurchasedPower	1265000000.0	USD
CY2018	evrg	Fuel And Purchased Power FuelAndPurchasedPower	1078700000	USD
CY2017	evrg	Fuel And Purchased Power FuelAndPurchasedPower	541500000	USD
CY2019	evrg	Spp Network Transmission Costs SPPNetworkTransmissionCosts	251300000	USD
CY2018	evrg	Spp Network Transmission Costs SPPNetworkTransmissionCosts	259900000	USD
CY2017	evrg	Spp Network Transmission Costs SPPNetworkTransmissionCosts	247900000	USD
CY2019	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	1218500000	USD
CY2018	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	1115800000	USD
CY2017	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	563500000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	861700000	USD
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CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	371700000	USD
CY2019	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	365500000	USD
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CY2017	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	167600000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	3962000000.0	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	3342300000	USD
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	1892200000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	1185800000	USD
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CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	678800000	USD
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CY2017	us-gaap	Gain Loss On Investments GainLossOnInvestments	4000000.0	USD
CY2019	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	26900000	USD
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CY2017	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	8300000	USD
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CY2018	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	78700000	USD
CY2017	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	39100000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-39000000.0	USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-54400000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	9800000	USD
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.79
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5400000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-26800000	USD
CY2019	us-gaap	Interest Expense InterestExpense	374000000.0	USD
CY2018	us-gaap	Interest Expense InterestExpense	279600000	USD
CY2017	us-gaap	Interest Expense InterestExpense	171000000.0	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	772800000	USD
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CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	481000000.0	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	97000000.0	USD
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CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6700000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	685600000	USD
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CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	15700000	USD
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CY2019	us-gaap	Net Income Loss NetIncomeLoss	669900000	USD
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CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.80
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CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	239500000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	213900000	shares
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CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	214100000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	142600000	shares
CY2019	us-gaap	Profit Loss ProfitLoss	685600000	USD
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CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-16500000	USD
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CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-47000000.0	USD
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CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	622900000	USD
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CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	323900000	USD
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CY2019Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	228500000	USD
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CY2019Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	339000000.0	USD
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CY2019Q4	us-gaap	Energy Related Inventory EnergyRelatedInventory	481600000	USD
CY2018Q4	us-gaap	Energy Related Inventory EnergyRelatedInventory	511000000.0	USD
CY2019Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	85500000	USD
CY2018Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	68000000.0	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	511500000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	396500000	USD
CY2018Q4	us-gaap	Assets Assets	25598100000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	251100000	USD
CY2019Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	5161800000	USD
CY2019Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	231700000	USD
CY2018Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	303900000	USD
CY2019Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	78200000	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	79100000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	1467700000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	1681000000.0	USD
CY2019Q4	evrg	Property Plantand Equipmentand Finance Lease Rightof Use Assetbefore Accumulated Depreciationand Amortization PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetbeforeAccumulatedDepreciationandAmortization	19184400000	USD
CY2018Q4	evrg	Property Plantand Equipmentand Finance Lease Rightof Use Assetbefore Accumulated Depreciationand Amortization PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetbeforeAccumulatedDepreciationandAmortization	18782500000	USD
CY2019Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1740500000	USD
CY2018Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1757900000	USD
CY2019Q4	us-gaap	Decommissioning Fund Investments DecommissioningFundInvestments	573200000	USD
CY2018Q4	us-gaap	Decommissioning Fund Investments DecommissioningFundInvestments	472100000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	2336600000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	2338900000	USD
CY2018Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	4965400000	USD
CY2019Q4	us-gaap	Assets Assets	25975900000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	705400000	USD
CY2019Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	561900000	USD
CY2018Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	738600000	USD
CY2019Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	339000000.0	USD
CY2018Q4	us-gaap	Transfers Accounted For As Secured Borrowings Associated Liabilities Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount	365000000.0	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	528800000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	451500000	USD
CY2019Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	145100000	USD
CY2018Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	133600000	USD
CY2019Q4	us-gaap	Interest Payable Current InterestPayableCurrent	122300000	USD
CY2018Q4	us-gaap	Interest Payable Current InterestPayableCurrent	110900000	USD
CY2019Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	63300000	USD
CY2018Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	110200000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	71300000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	49800000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	220800000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	171900000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2335900000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2867200000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	8746700000	USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1346000000.0	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-50000000.0	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	6636300000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1744400000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1599200000	USD
CY2019Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	375400000	USD
CY2018Q4	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	373200000	USD
CY2019Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2248300000	USD
CY2018Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2218800000	USD
CY2019Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1017600000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	987600000	USD
CY2019Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	602800000	USD
CY2018Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	637300000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	340700000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	236700000	USD
CY2019Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	15094700000	USD
CY2018Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	12740200000	USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	7070400000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	8685200000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1551500000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3000000.0	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	8571900000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	10028200000	USD
CY2019Q4	us-gaap	Minority Interest MinorityInterest	-26600000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	-37500000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8545300000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9990700000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	25975900000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	25598100000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	685600000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	546000000.0	USD
CY2017	us-gaap	Profit Loss ProfitLoss	336500000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	861700000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	618800000	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	371700000	USD
CY2019	evrg	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	51400000	USD
CY2018	evrg	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	43600000	USD
CY2017	evrg	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	32200000	USD
CY2019	evrg	Income From Corporate Owned Life Insurance IncomeFromCorporateOwnedLifeInsurance	29600000	USD
CY2018	evrg	Income From Corporate Owned Life Insurance IncomeFromCorporateOwnedLifeInsurance	2300000	USD
CY2017	evrg	Income From Corporate Owned Life Insurance IncomeFromCorporateOwnedLifeInsurance	2800000	USD
CY2019	evrg	Amortization Of Deferred Refueling Outage Costs AmortizationOfDeferredRefuelingOutageCosts	25500000	USD
CY2018	evrg	Amortization Of Deferred Refueling Outage Costs AmortizationOfDeferredRefuelingOutageCosts	21200000	USD
CY2017	evrg	Amortization Of Deferred Refueling Outage Costs AmortizationOfDeferredRefuelingOutageCosts	16100000	USD
CY2019	evrg	Amortization Of Corporate Owned Life Insurance AmortizationOfCorporateOwnedLifeInsurance	19800000	USD
CY2018	evrg	Amortization Of Corporate Owned Life Insurance AmortizationOfCorporateOwnedLifeInsurance	22600000	USD
CY2017	evrg	Amortization Of Corporate Owned Life Insurance AmortizationOfCorporateOwnedLifeInsurance	20600000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	16300000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	29900000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	8800000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	121500000	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	124200000	USD
CY2017	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	149600000	USD
CY2019	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	2200000	USD
CY2018	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	3100000	USD
CY2017	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	2000000.0	USD
CY2019	evrg	Payments For Asset Retirement Obligations PaymentsForAssetRetirementObligations	17800000	USD
CY2018	evrg	Payments For Asset Retirement Obligations PaymentsForAssetRetirementObligations	22400000	USD
CY2017	evrg	Payments For Asset Retirement Obligations PaymentsForAssetRetirementObligations	16000000.0	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	9800000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5400000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6700000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	3200000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	5200000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	8700000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	23100000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-265100000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2100000	USD
CY2019	evrg	Increase Decrease In Accounts Receivable Pledged As Collateral IncreaseDecreaseInAccountsReceivablePledgedAsCollateral	-26000000.0	USD
CY2018	evrg	Increase Decrease In Accounts Receivable Pledged As Collateral IncreaseDecreaseInAccountsReceivablePledgedAsCollateral	185000000.0	USD
CY2017	evrg	Increase Decrease In Accounts Receivable Pledged As Collateral IncreaseDecreaseInAccountsReceivablePledgedAsCollateral	0	USD
CY2019	evrg	Increase Decrease In Energy Related Inventory IncreaseDecreaseInEnergyRelatedInventory	-29900000	USD
CY2018	evrg	Increase Decrease In Energy Related Inventory IncreaseDecreaseInEnergyRelatedInventory	-54700000	USD
CY2017	evrg	Increase Decrease In Energy Related Inventory IncreaseDecreaseInEnergyRelatedInventory	-7200000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-43400000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	128100000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-55800000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	16900000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	56700000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	10000000.0	USD
CY2019	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	-8200000	USD
CY2018	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	-76400000	USD
CY2017	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	9200000	USD
CY2019	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-59400000	USD
CY2018	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	92000000.0	USD
CY2017	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-118000000.0	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-79800000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-66800000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-32000000.0	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-75500000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-15900000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	19300000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1749000000.0	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1497800000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	912700000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1210100000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1069700000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	764600000	USD
CY2019	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2018	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	1154200000	USD
CY2017	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2019	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	55800000	USD
CY2018	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	117500000	USD
CY2017	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	41000000.0	USD
CY2019	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	47300000	USD
CY2018	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	117700000	USD
CY2017	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	41200000	USD
CY2019	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	18300000	USD
CY2018	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	17100000	USD
CY2017	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	17000000.0	USD
CY2019	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	161700000	USD
CY2018	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	6800000	USD
CY2017	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	4200000	USD
CY2019	us-gaap	Proceeds From Derivative Instrument Investing Activities ProceedsFromDerivativeInstrumentInvestingActivities	0	USD
CY2018	us-gaap	Proceeds From Derivative Instrument Investing Activities ProceedsFromDerivativeInstrumentInvestingActivities	140600000	USD
CY2017	us-gaap	Proceeds From Derivative Instrument Investing Activities ProceedsFromDerivativeInstrumentInvestingActivities	0	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	5100000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	17600000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3600000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1080300000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	197400000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-780800000	USD
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-176700000	USD
CY2018	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-104000000.0	USD
CY2017	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-91300000	USD
CY2019	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	1000000000.0	USD
CY2018	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	0	USD
CY2017	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	0	USD
CY2019	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	1000000000.0	USD
CY2018	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	USD
CY2017	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	USD
CY2019	evrg	Proceeds From Payments For Issuance Of Collateralized Debt Net ProceedsFromPaymentsForIssuanceOfCollateralizedDebtNet	-26000000.0	USD
CY2018	evrg	Proceeds From Payments For Issuance Of Collateralized Debt Net ProceedsFromPaymentsForIssuanceOfCollateralizedDebtNet	185000000.0	USD
CY2017	evrg	Proceeds From Payments For Issuance Of Collateralized Debt Net ProceedsFromPaymentsForIssuanceOfCollateralizedDebtNet	0	USD
CY2019	evrg	Repayments Of Borrowings Against Corporate Owned Life Insurance RepaymentsOfBorrowingsAgainstCorporateOwnedLifeInsurance	127500000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2372700000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	290900000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	296200000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	701100000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	395800000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	125000000.0	USD
CY2019	evrg	Retirementsof Long Term Debt Of Vi Es RetirementsofLongTermDebtOfVIEs	30300000	USD
CY2018	evrg	Retirementsof Long Term Debt Of Vi Es RetirementsofLongTermDebtOfVIEs	28500000	USD
CY2017	evrg	Retirementsof Long Term Debt Of Vi Es RetirementsofLongTermDebtOfVIEs	26800000	USD
CY2019	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	69800000	USD
CY2018	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	0	USD
CY2017	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	0	USD
CY2019	evrg	Proceeds From Borrowings Against Corporate Owned Life Insurance ProceedsFromBorrowingsAgainstCorporateOwnedLifeInsurance	59400000	USD
CY2018	evrg	Proceeds From Borrowings Against Corporate Owned Life Insurance ProceedsFromBorrowingsAgainstCorporateOwnedLifeInsurance	56500000	USD
CY2017	evrg	Proceeds From Borrowings Against Corporate Owned Life Insurance ProceedsFromBorrowingsAgainstCorporateOwnedLifeInsurance	55100000	USD
CY2018	evrg	Repayments Of Borrowings Against Corporate Owned Life Insurance RepaymentsOfBorrowingsAgainstCorporateOwnedLifeInsurance	3900000	USD
CY2017	evrg	Repayments Of Borrowings Against Corporate Owned Life Insurance RepaymentsOfBorrowingsAgainstCorporateOwnedLifeInsurance	1000000.0	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	462500000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	475000000.0	USD
CY2017	us-gaap	Payments Of Dividends PaymentsOfDividends	223100000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1628700000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1042300000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	8600000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2017	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	5800000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6700000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-21300000	USD
CY2017	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-9900000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-805800000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1538400000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-131600000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-137100000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	156800000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	300000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	160300000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3500000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3200000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23200000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	160300000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3500000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3833200000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	336500000	USD
CY2017	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	600000	USD
CY2017	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	1900000	USD
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	229200000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8800000	USD
CY2017	evrg	Noncontrolling Interest Increase From Consolidation Net NoncontrollingInterestIncreaseFromConsolidationNet	-81900000	USD
CY2017	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	5700000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3860400000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	546000000.0	USD
CY2018	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	6979900000	USD
CY2018	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	16700000	USD
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	362100000	USD
CY2018	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	1000000.0	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	29900000	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1042300000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-4000000.0	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	1000000.0	USD
CY2018	us-gaap	Stockholders Equity Other StockholdersEquityOther	400000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9990700000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	685600000	USD
CY2019	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	2400000	USD
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	462500000	USD
CY2019	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	1900000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	16300000	USD
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1628700000	USD
CY2019	evrg	Noncontrolling Interest Increase From Consolidation Net NoncontrollingInterestIncreaseFromConsolidationNet	3800000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	8600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-46400000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-600000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8545300000	USD
CY2019Q4	evrg	Owned Generating Capacity And Renewable Purchased Power OwnedGeneratingCapacityAndRenewablePurchasedPower	14700	MW
CY2019	evrg	Number Of Customers Served NumberOfCustomersServed	1600000	customer
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;font-weight:bold;">Use of Estimates </span></div><div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">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>
CY2019Q4	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	146400000	USD
CY2018Q4	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	168900000	USD
CY2019Q4	evrg	Energy Related Inventory Supplies EnergyRelatedInventorySupplies	335200000	USD
CY2018Q4	evrg	Energy Related Inventory Supplies EnergyRelatedInventorySupplies	342100000	USD
CY2019Q4	us-gaap	Energy Related Inventory EnergyRelatedInventory	481600000	USD
CY2018Q4	us-gaap	Energy Related Inventory EnergyRelatedInventory	511000000.0	USD
CY2019	evrg	Allowance For Borrowed Funds Used During Construction AllowanceForBorrowedFundsUsedDuringConstruction	14500000	USD
CY2018	evrg	Allowance For Borrowed Funds Used During Construction AllowanceForBorrowedFundsUsedDuringConstruction	10400000	USD
CY2017	evrg	Allowance For Borrowed Funds Used During Construction AllowanceForBorrowedFundsUsedDuringConstruction	5600000	USD
CY2019	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	2200000	USD
CY2018	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	3100000	USD
CY2017	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	2000000.0	USD
CY2019	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	16700000	USD
CY2018	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	13500000	USD
CY2017	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	7600000	USD
CY2019	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.03
CY2019	us-gaap	Amortization Of Regulatory Asset AmortizationOfRegulatoryAsset	9000000	USD
CY2019Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	1370000000.0	USD
CY2018Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	1441700000	USD
CY2019Q4	evrg	Corporate Owned Life Insurance Borrowings CorporateOwnedLifeInsuranceBorrowings	1237100000	USD
CY2018Q4	evrg	Corporate Owned Life Insurance Borrowings CorporateOwnedLifeInsuranceBorrowings	1306900000	USD
CY2019Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	132900000	USD
CY2018Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	134800000	USD
CY2019	evrg	Non Service Cost Component Of Net Benefit Cost NonServiceCostComponentOfNetBenefitCost	55600000	USD
CY2018	evrg	Non Service Cost Component Of Net Benefit Cost NonServiceCostComponentOfNetBenefitCost	47800000	USD
CY2017	evrg	Non Service Cost Component Of Net Benefit Cost NonServiceCostComponentOfNetBenefitCost	20000000.0	USD
CY2019	us-gaap	Other Expenses OtherExpenses	21300000	USD
CY2018	us-gaap	Other Expenses OtherExpenses	30900000	USD
CY2017	us-gaap	Other Expenses OtherExpenses	19100000	USD
CY2019	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	76900000	USD
CY2018	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	78700000	USD
CY2017	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	39100000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	685600000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	546000000.0	USD
CY2017	us-gaap	Profit Loss ProfitLoss	336500000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	15700000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	10200000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	12600000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	669900000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	535800000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	323900000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	239500000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	213900000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	142500000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	400000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	200000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	100000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	239900000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	214100000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	142600000	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.80
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.50
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.27
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.79
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.50
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.27
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019	us-gaap	Interest Paid Net InterestPaidNet	329500000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	255900000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	153900000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-5200000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-900000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-12700000	USD
CY2019	evrg	Non Cash Property Plant And Equipment Additions Reductions Net NonCashPropertyPlantAndEquipmentAdditionsReductionsNet	186000000.0	USD
CY2018	evrg	Non Cash Property Plant And Equipment Additions Reductions Net NonCashPropertyPlantAndEquipmentAdditionsReductionsNet	-7800000	USD
CY2017	evrg	Non Cash Property Plant And Equipment Additions Reductions Net NonCashPropertyPlantAndEquipmentAdditionsReductionsNet	158800000	USD
CY2019	evrg	Deconsolidation Of Property Plant And Equipment Of Vie Net DeconsolidationOfPropertyPlantAndEquipmentOfVIENet	0	USD
CY2018	evrg	Deconsolidation Of Property Plant And Equipment Of Vie Net DeconsolidationOfPropertyPlantAndEquipmentOfVIENet	0	USD
CY2017	evrg	Deconsolidation Of Property Plant And Equipment Of Vie Net DeconsolidationOfPropertyPlantAndEquipmentOfVIENet	72900000	USD
CY2019	us-gaap	Stock Issued1 StockIssued1	-300000	USD
CY2018	us-gaap	Stock Issued1 StockIssued1	500000	USD
CY2017	us-gaap	Stock Issued1 StockIssued1	5100000	USD
CY2019	evrg	Non Cash Financing Deconsolidation Of Vie Net NonCashFinancingDeconsolidationOfVIENet	0	USD
CY2018	evrg	Non Cash Financing Deconsolidation Of Vie Net NonCashFinancingDeconsolidationOfVIENet	0	USD
CY2017	evrg	Non Cash Financing Deconsolidation Of Vie Net NonCashFinancingDeconsolidationOfVIENet	-83100000	USD
CY2019	evrg	Business Acquisition Conversion Ratio BusinessAcquisitionConversionRatio	0.5981
CY2018Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	215800074	shares
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	204825	shares
CY2018Q2	evrg	Business Combination Number Of Shares Converted BusinessCombinationNumberOfSharesConverted	215595249	shares
CY2018	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	2.67
CY2017	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.73
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	5019600000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4224000000.0	USD
CY2019	evrg	Other Revenue OtherRevenue	128200000	USD
CY2018	evrg	Other Revenue OtherRevenue	51900000	USD
CY2019	us-gaap	Revenues Revenues	5147800000	USD
CY2018	us-gaap	Revenues Revenues	4275900000	USD
CY2019Q4	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	127800000	USD
CY2018Q4	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	95000000.0	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	10500000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	9200000	USD
CY2019Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	228500000	USD
CY2018Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	193700000	USD
CY2019Q4	evrg	Other Receivables Contracts With Customers OtherReceivablesContractsWithCustomers	42000000.0	USD
CY2018Q4	evrg	Other Receivables Contracts With Customers OtherReceivablesContractsWithCustomers	65800000	USD
CY2019Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	339000000.0	USD
CY2018Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	365000000.0	USD
CY2019Q4	us-gaap	Regulatory Assets RegulatoryAssets	1972200000	USD
CY2018Q4	us-gaap	Regulatory Assets RegulatoryAssets	2061800000	USD
CY2019Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	231700000	USD
CY2018Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	303900000	USD
CY2019Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1740500000	USD
CY2018Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1757900000	USD
CY2019Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	2311600000	USD
CY2018Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	2329000000.0	USD
CY2019Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	63300000	USD
CY2018Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	110200000	USD
CY2019Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2248300000	USD
CY2018Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	2218800000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	2336600000	USD
CY2019	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reporting_unit
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	687100000	USD
CY2017Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	405100000	USD
CY2019	evrg	Asset Retirement Obligation Liabilities Assumed AssetRetirementObligationLiabilitiesAssumed	0	USD
CY2018	evrg	Asset Retirement Obligation Liabilities Assumed AssetRetirementObligationLiabilitiesAssumed	412200000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	0	USD
CY2018	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	7400000	USD
CY2019	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-22300000	USD
CY2018	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-150100000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	17800000	USD
CY2018	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	22400000	USD
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	27100000	USD
CY2018	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	34900000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	674100000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	687100000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	71300000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	49800000	USD
CY2019Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	602800000	USD
CY2018Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	637300000	USD
CY2019Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	27768800000	USD
CY2019Q4	evrg	Property Plant And Equipment Adjustment PropertyPlantAndEquipmentAdjustment	740600000	USD
CY2019Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	10293700000	USD
CY2019Q4	evrg	Public Utilities Property Plant And Equipment In Service Net PublicUtilitiesPropertyPlantAndEquipmentInServiceNet	18215700000	USD
CY2019Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	839200000	USD
CY2019Q4	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	128500000	USD
CY2019Q4	evrg	Plant To Be Retired Net PlantToBeRetiredNet	1000000.0	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19184400000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	26916700000	USD
CY2018Q4	evrg	Property Plant And Equipment Adjustment PropertyPlantAndEquipmentAdjustment	740600000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	9694100000	USD
CY2018Q4	evrg	Public Utilities Property Plant And Equipment In Service Net PublicUtilitiesPropertyPlantAndEquipmentInServiceNet	17963200000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	685200000	USD
CY2018Q4	us-gaap	Nuclear Fuel Net Of Amortization NuclearFuelNetOfAmortization	133100000	USD
CY2018Q4	evrg	Plant To Be Retired Net PlantToBeRetiredNet	1000000.0	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	18782500000	USD
CY2019	us-gaap	Depreciation Depreciation	786300000	USD
CY2018	us-gaap	Depreciation Depreciation	567900000	USD
CY2017	us-gaap	Depreciation Depreciation	350000000.0	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	17600000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	16300000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	9700000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Accelerated Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost	14600000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	15500000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	30700000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8900000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3000000.0	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1400000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3500000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum	0.18
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0345
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum	0.026
CY2019Q4	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	2500000000.0	USD
CY2019Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	1921100000	USD
CY2018Q4	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	2500000000.0	USD
CY2018Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	1737300000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	251100000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	80700000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	8746700000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	705400000	USD
CY2018Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	57200000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	6636300000	USD
CY2019	evrg	Additional Principal First Mortgage Bonds Available To Be Issued AdditionalPrincipalFirstMortgageBondsAvailableToBeIssued	2828600000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	251100000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	432000000.0	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	387500000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	439500000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	800000000.0	USD
CY2019Q3	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	69800000	USD
CY2019Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	500000000.0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-69800000	USD
CY2019Q4	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	-5200000	USD
CY2019Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	3300000	USD
CY2018Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	4300000	USD
CY2019	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	82200000	USD
CY2018	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-53600000	USD
CY2017	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	1400000	USD
CY2019Q4	evrg	Industry Aggregate Limit For Nuclear Insurance IndustryAggregateLimitForNuclearInsurance	3200000000	USD
CY2019Q4	evrg	Industry Aggregate Limit For Non Nuclear Insurance IndustryAggregateLimitForNonNuclearInsurance	1800000000	USD
CY2019Q4	evrg	Nuclear Liability Insurance Full Limit Of Public Liability NuclearLiabilityInsuranceFullLimitOfPublicLiability	13900000000	USD
CY2019Q4	evrg	Nuclear Liability Insurance Maximum Available Commercial Insurance NuclearLiabilityInsuranceMaximumAvailableCommercialInsurance	400000000	USD
CY2019Q4	evrg	Nuclear Liability Insurance Industry Wide Retrospective Assessment Program NuclearLiabilityInsuranceIndustryWideRetrospectiveAssessmentProgram	13500000000	USD
CY2019Q4	evrg	Nuclear Liability Insurance Owners Insurance Amount Maximum NuclearLiabilityInsuranceOwnersInsuranceAmountMaximum	137600000	USD
CY2019Q4	evrg	Nuclear Liability Insurance Owners Insurance Amount Per Incident NuclearLiabilityInsuranceOwnersInsuranceAmountPerIncident	20500000	USD
CY2019Q4	evrg	Nuclear Liability Insurance Owners Property Insurance Maximum NuclearLiabilityInsuranceOwnersPropertyInsuranceMaximum	2800000000	USD
CY2019Q4	evrg	Nuclear Liability Insurance Owners Nonnuclear Property Insurance Maximum NuclearLiabilityInsuranceOwnersNonnuclearPropertyInsuranceMaximum	2300000000	USD
CY2019Q4	evrg	Nuclear Liability Insurance Owners Property Insurance Assessment Maximum NuclearLiabilityInsuranceOwnersPropertyInsuranceAssessmentMaximum	33200000	USD
CY2019Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On First Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary	681900000	USD
CY2019Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Second Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary	226700000	USD
CY2019Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary	160800000	USD
CY2019Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary	157600000	USD
CY2019Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fifth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary	78200000	USD
CY2019Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Due After Five Years UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears	537000000.0	USD
CY2019Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	1842200000	USD
CY2019Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	110200000	USD
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	600000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	12000000	shares
CY2018Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	60000000	shares
CY2019	evrg	Stock Repurchased And Retired During Period Under Repurchase Plan Value StockRepurchasedAndRetiredDuringPeriodUnderRepurchasePlanValue	1628700000	USD
CY2019	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	28800000	shares
	evrg	Stock Repurchased And Retired During Period Under Repurchase Plan Value StockRepurchasedAndRetiredDuringPeriodUnderRepurchasePlanValue	2671000000.0	USD
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	45200000	shares
CY2019	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div style="line-height:120%;padding-bottom:8px;text-align:left;font-size:11pt;"><span style="font-family:inherit;font-size:11pt;">The following table summarizes the ASRs completed as part of Evergy's common stock repurchase program.</span></div><div style="line-height:120%;padding-bottom:16px;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:24%;"/><td style="width:9%;"/><td style="width:24%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:2%;"/><td style="width:13%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:2px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">Date ASR Entered</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:2px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:2px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">Final Settlement Date</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:2px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:2px solid #000000;"><div style="text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:2px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:2px solid #000000;"><div style="text-align:center;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">Shares Delivered</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">(millions)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">August 2018</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">October/November 2018</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>450.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>7.9</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">November 2018</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">February 2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>475.0</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>8.3</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">March 2019</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">June 2019</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>450.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>7.8</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">June 2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">September 2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>500.0</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>8.1</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">September 2019</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">November/December 2019</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>500.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><span>7.8</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:inherit;font-size:10pt;"><br/></span></div>
CY2019Q4	evrg	Restrictionon Payment Of Dividends Minimum Ratio Of Equity To Capitalization RestrictiononPaymentOfDividendsMinimumRatioOfEquityToCapitalization	0.35
CY2019Q4	us-gaap	Amount Of Restricted Net Assets For Consolidated And Unconsolidated Subsidiaries AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries	5000000000.0	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	100000	USD
CY2018	evrg	Investment Tax Credit Total Net InvestmentTaxCreditTotalNet	-3600000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-39500000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-67400000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	15000000.0	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2200000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	400000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-24500000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-65200000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	500000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	93200000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	160100000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	122800000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	27500000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-32300000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	30700000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	120700000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	127800000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	153500000	USD
CY2019	evrg	Investment Tax Credit Deferral InvestmentTaxCreditDeferral	5200000	USD
CY2018	evrg	Investment Tax Credit Deferral InvestmentTaxCreditDeferral	0	USD
CY2017	evrg	Investment Tax Credit Deferral InvestmentTaxCreditDeferral	0	USD
CY2019	evrg	Investment Tax Credit Amortization InvestmentTaxCreditAmortization	4400000	USD
CY2018	evrg	Investment Tax Credit Amortization InvestmentTaxCreditAmortization	3600000	USD
CY2017	evrg	Investment Tax Credit Amortization InvestmentTaxCreditAmortization	2800000	USD
CY2019	evrg	Investment Tax Credit Total Net InvestmentTaxCreditTotalNet	800000	USD
CY2017	evrg	Investment Tax Credit Total Net InvestmentTaxCreditTotalNet	-2800000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	97000000.0	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	59000000.0	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	151200000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.018
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.019
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.031
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.050
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.049
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.041
CY2019	evrg	Effective Income Tax Rate Reconciliation Effect Of Regulatory Treatment Book Tax Differences EffectiveIncomeTaxRateReconciliationEffectOfRegulatoryTreatmentBookTaxDifferences	-0.045
CY2018	evrg	Effective Income Tax Rate Reconciliation Effect Of Regulatory Treatment Book Tax Differences EffectiveIncomeTaxRateReconciliationEffectOfRegulatoryTreatmentBookTaxDifferences	0.008
CY2017	evrg	Effective Income Tax Rate Reconciliation Effect Of Regulatory Treatment Book Tax Differences EffectiveIncomeTaxRateReconciliationEffectOfRegulatoryTreatmentBookTaxDifferences	0.023
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.049
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.064
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.069
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.004
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.004
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.009
CY2019	evrg	Effective Income Tax Rate Reconciliation Afudc Equity EffectiveIncomeTaxRateReconciliationAFUDCEquity	0.001
CY2018	evrg	Effective Income Tax Rate Reconciliation Afudc Equity EffectiveIncomeTaxRateReconciliationAFUDCEquity	0.001
CY2017	evrg	Effective Income Tax Rate Reconciliation Afudc Equity EffectiveIncomeTaxRateReconciliationAFUDCEquity	0.002
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.005
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.006
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.006
CY2019	evrg	Changes In Uncertain Tax Positions Net ChangesInUncertainTaxPositionsNet	-0.002
CY2018	evrg	Changes In Uncertain Tax Positions Net ChangesInUncertainTaxPositionsNet	0.001
CY2017	evrg	Changes In Uncertain Tax Positions Net ChangesInUncertainTaxPositionsNet	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.087
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.025
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.010
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.004
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.003
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.001
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.004
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CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	3468400000	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.124
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CY2018Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.42
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$EVRG
Evergy, Inc. Stock $evrg

2019 Q4 Form 10-K Financial Statement

#000171126920000012 Filed on March 02, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EVRG Evergy, Inc. Stock $evrg

2019 Q4 Form 10-K Financial Statement

#000171126920000012 Filed on March 02, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EVRG
Evergy, Inc. Stock $evrg