$EVRG
Evergy, Inc. Stock $evrg

$evrg Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-Q Financial Statement

#000171126920000060 Filed on November 05, 2020

Income Statement

Concept	2020 Q4	2020 Q3	2019 Q3
Revenue	$1.094B	$1.518B	$1.578B
YoY Change	-3.29%	-3.8%	-0.31%
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	$236.5M	$232.8M	$229.3M
YoY Change	4.92%	1.53%	9.82%
% of Gross Profit
Operating Expenses	$930.4M	$967.2M	$1.035B
YoY Change	-2.44%	-6.54%	-1.38%
Operating Profit	$153.0M	$521.7M	$538.7M
YoY Change	-7.72%	-3.16%	1.05%
Interest Expense	-$86.60M	$94.80M	$90.80M
YoY Change	-7.18%	4.41%	1.91%
% of Operating Profit	-56.6%	18.17%	16.86%
Other Income/Expense, Net	-$6.200M	-$11.30M	-$15.10M
YoY Change	-37.37%	-25.17%	-37.86%
Pretax Income	$60.20M	$415.6M	$432.8M
YoY Change	-3.83%	-3.97%	3.12%
Income Tax	$8.400M	$50.00M	$65.50M
% Of Pretax Income	13.95%	12.03%	15.13%
Net Earnings	$51.00M	$364.5M	$366.8M
YoY Change	-20.19%	-0.63%	3.32%
Net Earnings / Revenue	4.66%	24.02%	23.25%
Basic Earnings Per Share		$1.60	$1.56
Diluted Earnings Per Share	$224.2K	$1.60	$1.56
COMMON SHARES
Basic Shares Outstanding	226.8M shares	227.3M shares	234.6M shares
Diluted Shares Outstanding		227.5M shares	235.0M shares

Balance Sheet

Concept	2020 Q4	2020 Q3	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$145.0M	$362.0M	$50.00M
YoY Change	530.43%	624.0%	-92.65%
Cash & Equivalents	$144.9M	$361.6M	$50.10M
Short-Term Investments
Other Short-Term Assets	$23.70M	$274.0M	$279.0M
YoY Change	-92.35%	-1.79%	-31.45%
Inventory	$505.0M	$512.0M	$454.0M
Prepaid Expenses
Receivables	$273.9M	$318.5M	$562.0M
Other Receivables	$241.0M	$235.0M	$167.0M
Total Short-Term Assets	$1.624B	$1.915B	$1.512B
YoY Change	10.67%	26.61%	-34.79%
LONG-TERM ASSETS
Property, Plant & Equipment	$19.95B	$19.62B	$18.98B
YoY Change	4.0%	3.41%	0.74%
Goodwill	$2.337B	$2.337B	$2.337B
YoY Change	0.0%	0.0%	0.13%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$527.7M	$527.5M	$508.0M
YoY Change	3.17%	3.84%	33.79%
Total Long-Term Assets	$25.49B	$24.97B	$5.255B
YoY Change	393.83%	375.07%	-77.88%
TOTAL ASSETS
Total Short-Term Assets	$1.624B	$1.915B	$1.512B
Total Long-Term Assets	$25.49B	$24.97B	$5.255B
Total Assets	$27.11B	$26.88B	$25.91B
YoY Change	4.38%	3.76%	-0.64%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$654.0M	$358.9M	$311.3M
YoY Change	23.68%	15.29%	2.5%
Accrued Expenses	$193.0M	$189.0M	$126.0M
YoY Change	39.86%	50.0%	5.0%
Deferred Revenue
YoY Change
Short-Term Debt	$675.0M	$595.0M	$756.0M
YoY Change	-25.08%	-21.3%	-13.2%
Long-Term Debt Due	$436.4M	$372.0M	$251.1M
YoY Change	73.8%	48.15%	-64.61%
Total Short-Term Liabilities	$2.356B	$2.098B	$2.075B
YoY Change	0.85%	1.11%	-21.97%
LONG-TERM LIABILITIES
Long-Term Debt	$9.191B	$9.276B	$8.749B
YoY Change	5.08%	6.02%	31.77%
Other Long-Term Liabilities	$308.2M	$331.3M	$338.4M
YoY Change	-9.54%	-2.1%	45.92%
Total Long-Term Liabilities	$16.04B	$16.00B	$15.24B
YoY Change	6.27%	4.96%	19.39%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.356B	$2.098B	$2.075B
Total Long-Term Liabilities	$16.04B	$16.00B	$15.24B
Total Liabilities	$18.40B	$18.10B	$17.32B
YoY Change	5.54%	4.5%	12.26%
SHAREHOLDERS EQUITY
Retained Earnings	$1.703B	$1.774B	$1.603B
YoY Change	9.75%	10.63%	10.37%
Common Stock	$7.080B	$7.077B	$7.067B
YoY Change	0.14%	0.14%	-23.49%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$8.733B	$8.802B	$8.619B
YoY Change
Total Liabilities & Shareholders Equity	$27.11B	$26.88B	$25.91B
YoY Change	4.38%	3.76%	-0.64%

Cashflow Statement

Concept	2020 Q4	2020 Q3	2019 Q3
OPERATING ACTIVITIES
Net Income	$51.00M	$364.5M	$366.8M
YoY Change	-20.19%	-0.63%	3.32%
Depreciation, Depletion And Amortization	$236.5M	$232.8M	$229.3M
YoY Change	4.92%	1.53%	9.82%
Cash From Operating Activities	$332.1M	$899.2M	$813.6M
YoY Change	10.08%	10.52%	2.42%
INVESTING ACTIVITIES
Capital Expenditures	-$502.2M	-$422.5M	-$276.7M
YoY Change	39.11%	52.69%	5.17%
Acquisitions
YoY Change
Other Investing Activities	-$1.600M	-$6.200M	$34.10M
YoY Change	-103.03%	-118.18%	-478.89%
Cash From Investing Activities	-$503.8M	-$428.7M	-$242.6M
YoY Change	63.47%	76.71%	-10.84%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-45.00M	-285.1M	-627.9M
YoY Change	120.59%	-54.59%	-44.07%
NET CHANGE
Cash From Operating Activities	332.1M	899.2M	813.6M
Cash From Investing Activities	-503.8M	-428.7M	-242.6M
Cash From Financing Activities	-45.00M	-285.1M	-627.9M
Net Change In Cash	-216.7M	185.4M	-56.90M
YoY Change	705.58%	-425.83%	-90.52%
FREE CASH FLOW
Cash From Operating Activities	$332.1M	$899.2M	$813.6M
Capital Expenditures	-$502.2M	-$422.5M	-$276.7M
Free Cash Flow	$834.3M	$1.322B	$1.090B
YoY Change	25.89%	21.22%	3.1%

Facts In Submission

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	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
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	dei	Entity Address Address Line1 EntityAddressAddressLine1	1200 Main Street
	dei	Entity Address City Or Town EntityAddressCityOrTown	Kansas City
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2020-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-38515
	dei	Entity Registrant Name EntityRegistrantName	EVERGY, INC.
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	82-2733395
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MO
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MO
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	64105
	dei	City Area Code CityAreaCode	816
	dei	Local Phone Number LocalPhoneNumber	556-2200
	dei	Security12b Title Security12bTitle	Evergy, Inc. common stock
	dei	Trading Symbol TradingSymbol	EVRG
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Shell Company EntityShellCompany	false
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CY2020Q3	us-gaap	Profit Loss ProfitLoss	367500000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	370900000	USD
	us-gaap	Profit Loss ProfitLoss	576000000.0	USD
	us-gaap	Profit Loss ProfitLoss	618900000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3000000.0	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4100000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	8700000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	12900000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	364500000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	366800000	USD
	us-gaap	Net Income Loss NetIncomeLoss	567300000	USD
	us-gaap	Net Income Loss NetIncomeLoss	606000000.0	USD
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.56
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.50
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.49
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.49
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.60
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.56
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.49
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	227300000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	234600000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	227200000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	243500000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	227500000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	235000000.0	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	227500000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	243800000	shares
CY2020Q3	us-gaap	Profit Loss ProfitLoss	367500000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	370900000	USD
	us-gaap	Profit Loss ProfitLoss	576000000.0	USD
	us-gaap	Profit Loss ProfitLoss	618900000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-29400000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-64400000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-7500000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-16500000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-21900000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-47900000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-1400000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-200000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-1700000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-200000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1400000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-21700000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1700000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-47700000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	100000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	100000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1400000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-21700000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1600000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-47700000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	368900000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	349200000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	12900000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	577600000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	571200000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	3000000.0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	4100000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	8700000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	365900000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	345100000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	568900000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	558300000	USD
	us-gaap	Profit Loss ProfitLoss	576000000.0	USD
	us-gaap	Profit Loss ProfitLoss	618900000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	658100000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	645100000	USD
	evrg	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	43800000	USD
	evrg	Amortization Of Nuclear Fuel AmortizationOfNuclearFuel	42600000	USD
	evrg	Amortization Of Deferred Refueling Outage Costs AmortizationOfDeferredRefuelingOutageCosts	19100000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	68600000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	68400000	USD
	evrg	Increase Decrease In Accounts Receivable Pledged As Collateral IncreaseDecreaseInAccountsReceivablePledgedAsCollateral	56000000.0	USD
	evrg	Increase Decrease In Accounts Receivable Pledged As Collateral IncreaseDecreaseInAccountsReceivablePledgedAsCollateral	30000000.0	USD
	evrg	Increase Decrease In Energy Related Inventory IncreaseDecreaseInEnergyRelatedInventory	30000000.0	USD
	evrg	Increase Decrease In Energy Related Inventory IncreaseDecreaseInEnergyRelatedInventory	-57000000.0	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-20900000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-65700000	USD
	evrg	Amortization Of Deferred Refueling Outage Costs AmortizationOfDeferredRefuelingOutageCosts	19400000	USD
	evrg	Amortization Of Corporate Owned Life Insurance AmortizationOfCorporateOwnedLifeInsurance	14800000	USD
	evrg	Amortization Of Corporate Owned Life Insurance AmortizationOfCorporateOwnedLifeInsurance	16500000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	12100000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	12900000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	136500000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	111400000	USD
	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	9900000	USD
	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	900000	USD
	evrg	Payments For Asset Retirement Obligations PaymentsForAssetRetirementObligations	11000000.0	USD
	evrg	Payments For Asset Retirement Obligations PaymentsForAssetRetirementObligations	11600000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6100000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7900000	USD
	evrg	Income From Corporate Owned Life Insurance IncomeFromCorporateOwnedLifeInsurance	6800000	USD
	evrg	Income From Corporate Owned Life Insurance IncomeFromCorporateOwnedLifeInsurance	19500000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-700000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	3600000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-87500000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-111500000	USD
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	192300000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-88400000	USD
	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	155300000	USD
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-43900000	USD
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-77700000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-56100000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-21200000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-22500000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1421700000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1447300000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1058100000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	849100000	USD
	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	50300000	USD
	us-gaap	Payments To Invest In Decommissioning Fund PaymentsToInvestInDecommissioningFund	37400000	USD
	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	44200000	USD
	us-gaap	Proceeds From Decommissioning Fund ProceedsFromDecommissioningFund	32300000	USD
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	16400000	USD
	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	17200000	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	60600000	USD
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	99100000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	9900000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-200000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1029900000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-772100000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-361900000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-378000000.0	USD
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	0	USD
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	1000000000.0	USD
	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	USD
	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	1000000000.0	USD
	evrg	Proceeds From Payments For Issuance Of Collateralized Debt Net ProceedsFromPaymentsForIssuanceOfCollateralizedDebtNet	56000000.0	USD
	evrg	Proceeds From Payments For Issuance Of Collateralized Debt Net ProceedsFromPaymentsForIssuanceOfCollateralizedDebtNet	30000000.0	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	889300000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2374000000.0	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	251100000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	701100000	USD
	evrg	Retirementsof Long Term Debt Of Vi Es RetirementsofLongTermDebtOfVIEs	32300000	USD
	evrg	Retirementsof Long Term Debt Of Vi Es RetirementsofLongTermDebtOfVIEs	30300000	USD
	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	0	USD
	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	69800000	USD
	evrg	Proceeds From Borrowings Against Corporate Owned Life Insurance ProceedsFromBorrowingsAgainstCorporateOwnedLifeInsurance	54500000	USD
	evrg	Proceeds From Borrowings Against Corporate Owned Life Insurance ProceedsFromBorrowingsAgainstCorporateOwnedLifeInsurance	57200000	USD
	evrg	Repayments Of Borrowings Against Corporate Owned Life Insurance RepaymentsOfBorrowingsAgainstCorporateOwnedLifeInsurance	52500000	USD
	evrg	Repayments Of Borrowings Against Corporate Owned Life Insurance RepaymentsOfBorrowingsAgainstCorporateOwnedLifeInsurance	77400000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	343600000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	347500000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1628700000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	8500000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-11800000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-5300000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-53400000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-785400000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	338400000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-110200000	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
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	361600000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	50100000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9990700000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	103400000	USD
CY2019Q1	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	1600000	USD
CY2019Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	119800000	USD
CY2019Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5400000	USD
CY2019Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	578300000	USD
CY2019Q1	evrg	Noncontrolling Interest Increase From Consolidation Net NoncontrollingInterestIncreaseFromConsolidationNet	3800000	USD
CY2019Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1400000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-10200000	USD
CY2019Q1	us-gaap	Stockholders Equity Other StockholdersEquityOther	300000	USD
CY2019Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9391700000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	144600000	USD
CY2019Q2	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	700000	USD
CY2019Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	115800000	USD
CY2019Q2	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	500000	USD
CY2019Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4000000.0	USD
CY2019Q2	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	9414920	shares
CY2019Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	550400000	USD
CY2019Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	2100000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-15800000	USD
CY2019Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	300000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8854700000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	370900000	USD
CY2019Q3	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	0	USD
CY2019Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	111900000	USD
CY2019Q3	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	900000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3500000	USD
CY2019Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	7569029	shares
CY2019Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	500000000.0	USD
CY2019Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	5100000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-21700000	USD
CY2019Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	-400000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8589900000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8545300000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	72200000	USD
CY2020Q1	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	3000000.0	USD
CY2020Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	114500000	USD
CY2020Q1	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	700000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4600000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1300000	USD
CY2020Q1	us-gaap	Stockholders Equity Other StockholdersEquityOther	-200000	USD
CY2020Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8505400000	USD
CY2020Q2	us-gaap	Profit Loss ProfitLoss	136300000	USD
CY2020Q2	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	2900000	USD
CY2020Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	114600000	USD
CY2020Q2	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	400000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4100000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1000000.0	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	100000	USD
CY2020Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	-100000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8526900000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	367500000	USD
CY2020Q3	evrg	Stock Issued During Period Value Dividend Reinvestment Plan And Share Based Compensation Net StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet	0	USD
CY2020Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	114500000	USD
CY2020Q3	us-gaap	Dividends Share Based Compensation DividendsShareBasedCompensation	600000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3400000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1400000	USD
CY2020Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	-100000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8784200000	USD
CY2020Q3	evrg	Owned Generating Capacity And Renewable Purchased Power OwnedGeneratingCapacityAndRenewablePurchasedPower	14700	MW
	evrg	Number Of Customers Served NumberOfCustomersServed	1600000	customer
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
	evrg	Non Service Cost Component Of Net Benefit Cost NonServiceCostComponentOfNetBenefitCost	40900000	USD
CY2020Q3	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	153700000	USD
CY2019Q4	us-gaap	Energy Related Inventory Coal EnergyRelatedInventoryCoal	146400000	USD
CY2020Q3	evrg	Energy Related Inventory Supplies EnergyRelatedInventorySupplies	358400000	USD
CY2019Q4	evrg	Energy Related Inventory Supplies EnergyRelatedInventorySupplies	335200000	USD
CY2020Q3	us-gaap	Energy Related Inventory EnergyRelatedInventory	512100000	USD
CY2019Q4	us-gaap	Energy Related Inventory EnergyRelatedInventory	481600000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19624100000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19184400000	USD
CY2020Q3	evrg	Non Service Cost Component Of Net Benefit Cost NonServiceCostComponentOfNetBenefitCost	13700000	USD
CY2019Q3	evrg	Non Service Cost Component Of Net Benefit Cost NonServiceCostComponentOfNetBenefitCost	13700000	USD
	evrg	Non Service Cost Component Of Net Benefit Cost NonServiceCostComponentOfNetBenefitCost	43700000	USD
CY2020Q3	evrg	Other Nonoperating Income Expense Other OtherNonoperatingIncomeExpenseOther	-6400000	USD
CY2019Q3	evrg	Other Nonoperating Income Expense Other OtherNonoperatingIncomeExpenseOther	-6000000.0	USD
	evrg	Other Nonoperating Income Expense Other OtherNonoperatingIncomeExpenseOther	-14000000.0	USD
	evrg	Other Nonoperating Income Expense Other OtherNonoperatingIncomeExpenseOther	-16300000	USD
CY2020Q3	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	20100000	USD
CY2019Q3	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	19700000	USD
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	57700000	USD
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	57200000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	367500000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	370900000	USD
	us-gaap	Profit Loss ProfitLoss	576000000.0	USD
	us-gaap	Profit Loss ProfitLoss	618900000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3000000.0	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4100000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	8700000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	12900000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	364500000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	366800000	USD
	us-gaap	Net Income Loss NetIncomeLoss	567300000	USD
	us-gaap	Net Income Loss NetIncomeLoss	606000000.0	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	227300000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	234600000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	227200000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	243500000	shares
CY2020Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	200000	shares
CY2019Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	400000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	300000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	300000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	227500000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	235000000.0	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	227500000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	243800000	shares
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.60
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.56
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.50
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.49
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.60
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.56
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.49
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.49
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Interest Paid Net InterestPaidNet	267800000	USD
	us-gaap	Interest Paid Net InterestPaidNet	240800000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-73800000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-13100000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	4100000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	3000000.0	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	5000000.0	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	2300000	USD
	evrg	Non Cash Property Plant And Equipment Additions Reductions Net NonCashPropertyPlantAndEquipmentAdditionsReductionsNet	371000000.0	USD
	evrg	Non Cash Property Plant And Equipment Additions Reductions Net NonCashPropertyPlantAndEquipmentAdditionsReductionsNet	99400000	USD
	us-gaap	Stock Issued1 StockIssued1	900000	USD
	us-gaap	Stock Issued1 StockIssued1	-300000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1483500000	USD
CY2020Q3	evrg	Other Revenue OtherRevenue	34100000	USD
CY2020Q3	us-gaap	Revenues Revenues	1517600000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3715500000	USD
	evrg	Other Revenue OtherRevenue	103500000	USD
	us-gaap	Revenues Revenues	3819000000.0	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1566300000	USD
CY2019Q3	evrg	Other Revenue OtherRevenue	11300000	USD
CY2019Q3	us-gaap	Revenues Revenues	1577600000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3945800000	USD
	evrg	Other Revenue OtherRevenue	70400000	USD
	us-gaap	Revenues Revenues	4016200000	USD
CY2020Q3	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	181200000	USD
CY2019Q4	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	127800000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	15200000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	10500000	USD
CY2020Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	318500000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	228500000	USD
CY2020Q3	evrg	Other Receivables Contracts With Customers OtherReceivablesContractsWithCustomers	58800000	USD
CY2019Q4	evrg	Other Receivables Contracts With Customers OtherReceivablesContractsWithCustomers	42000000.0	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	10500000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9200000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	15500000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	22400000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	20800000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	31900000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	10000000.0	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	9200000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	15200000	USD
CY2019Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	8900000	USD
CY2020Q3	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	395000000.0	USD
CY2019Q4	us-gaap	Transfers Accounted For As Secured Borrowings Assets Carrying Amount TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount	339000000.0	USD
CY2020Q3	us-gaap	Goodwill Goodwill	2336600000	USD
	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reporting_unit
	evrg	Increase Decrease In Aro Resulting From Decommissioning Study IncreaseDecreaseInAROResultingFromDecommissioningStudy	259100000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	674100000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	687100000	USD
	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	257000000.0	USD
CY2019	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-22300000	USD
	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	11000000.0	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	17800000	USD
	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	28700000	USD
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	27100000	USD
CY2020Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	948800000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	674100000	USD
CY2020Q3	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	66500000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	71300000	USD
CY2020Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	882300000	USD
CY2020Q3	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	2500000000.0	USD
CY2020Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	2278700000	USD
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
CY2019Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	602800000	USD
CY2019Q3	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	69800000	USD
CY2019Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	500000000.0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-69800000	USD
CY2020Q3	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	-5300000	USD
CY2020Q3	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	2500000	USD
CY2019Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	3300000	USD
CY2020Q3	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	28400000	USD
CY2019Q3	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	2100000	USD
	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-1500000	USD
	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	59200000	USD
CY2020Q3	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-16400000	USD
CY2019Q3	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-31200000	USD
	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-35000000.0	USD
	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-10600000	USD
CY2020Q3	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-400000	USD
CY2019Q3	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-800000	USD
	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-7700000	USD
	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-1600000	USD
CY2020Q3	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-16800000	USD
CY2019Q3	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-32000000.0	USD
	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-42700000	USD
	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-12200000	USD
CY2020Q3	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	46600000	USD
CY2019Q3	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	75500000	USD
	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	83400000	USD
	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	78000000.0	USD
CY2020Q3	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	21500000	USD
CY2019Q3	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	23000000.0	USD
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.039
	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	57700000	USD
	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	36500000	USD
CY2020Q3	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	68100000	USD
CY2019Q3	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	98500000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	141100000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	114500000	USD
CY2020Q3	evrg	Investment Tax Credit Amortization InvestmentTaxCreditAmortization	1300000	USD
CY2019Q3	evrg	Investment Tax Credit Amortization InvestmentTaxCreditAmortization	1000000.0	USD
	evrg	Investment Tax Credit Amortization InvestmentTaxCreditAmortization	4600000	USD
	evrg	Investment Tax Credit Amortization InvestmentTaxCreditAmortization	3100000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	50000000.0	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	65500000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	93800000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	99200000	USD
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.016
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.016
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.016
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsurance	0.017
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.035
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.040
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.034
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.039
CY2020Q3	evrg	Effective Income Tax Rate Reconciliation Effect Of Regulatory Treatment Book Tax Differences EffectiveIncomeTaxRateReconciliationEffectOfRegulatoryTreatmentBookTaxDifferences	-0.049
CY2019Q3	evrg	Effective Income Tax Rate Reconciliation Effect Of Regulatory Treatment Book Tax Differences EffectiveIncomeTaxRateReconciliationEffectOfRegulatoryTreatmentBookTaxDifferences	-0.031
	evrg	Effective Income Tax Rate Reconciliation Effect Of Regulatory Treatment Book Tax Differences EffectiveIncomeTaxRateReconciliationEffectOfRegulatoryTreatmentBookTaxDifferences	-0.048
	evrg	Effective Income Tax Rate Reconciliation Effect Of Regulatory Treatment Book Tax Differences EffectiveIncomeTaxRateReconciliationEffectOfRegulatoryTreatmentBookTaxDifferences	-0.032
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.046
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.039
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0.046
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.003
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.004
	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.003
	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.004
CY2020Q3	evrg	Effective Income Tax Rate Reconciliation Afudc Equity EffectiveIncomeTaxRateReconciliationAFUDCEquity	0.002
CY2019Q3	evrg	Effective Income Tax Rate Reconciliation Afudc Equity EffectiveIncomeTaxRateReconciliationAFUDCEquity	0
	evrg	Effective Income Tax Rate Reconciliation Afudc Equity EffectiveIncomeTaxRateReconciliationAFUDCEquity	0.003
	evrg	Effective Income Tax Rate Reconciliation Afudc Equity EffectiveIncomeTaxRateReconciliationAFUDCEquity	0
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.007
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.005
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.007
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	0.005
CY2020Q3	evrg	Effective Income Tax Rate Reconciliation Changes In Uncertain Tax Positions Net EffectiveIncomeTaxRateReconciliationChangesInUncertainTaxPositionsNet	0
CY2019Q3	evrg	Effective Income Tax Rate Reconciliation Changes In Uncertain Tax Positions Net EffectiveIncomeTaxRateReconciliationChangesInUncertainTaxPositionsNet	0.004
	evrg	Effective Income Tax Rate Reconciliation Changes In Uncertain Tax Positions Net EffectiveIncomeTaxRateReconciliationChangesInUncertainTaxPositionsNet	0
	evrg	Effective Income Tax Rate Reconciliation Changes In Uncertain Tax Positions Net EffectiveIncomeTaxRateReconciliationChangesInUncertainTaxPositionsNet	0.003
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.020
	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.004
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.002
	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.011
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.003
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.001
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.002
CY2020Q3	evrg	Officer Compensation Limitation OfficerCompensationLimitation	0.002
CY2019Q3	evrg	Officer Compensation Limitation OfficerCompensationLimitation	0.001
	evrg	Officer Compensation Limitation OfficerCompensationLimitation	0.002
	evrg	Officer Compensation Limitation OfficerCompensationLimitation	0.001
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.005
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.003
CY2020Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.120
CY2019Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.150
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.140
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.138
CY2020Q2	evrg	Increase Decrease In Net Deferred Income Tax Liabilities Dueto Tax Reform IncreaseDecreaseInNetDeferredIncomeTaxLiabilitiesDuetoTaxReform	-233800000	USD
CY2020Q2	evrg	Increase Decrease In Net Deferred Income Tax Liabilities For Revaluation Of Regulated Deferred Income Tax Assets And Liabilities IncreaseDecreaseInNetDeferredIncomeTaxLiabilitiesForRevaluationOfRegulatedDeferredIncomeTaxAssetsAndLiabilities	-400400000	USD
CY2020Q2	evrg	Increase Decreasein Net Deferred Income Tax Liabilities For Tax Gross Up Adjustment For Ratemaking Purposes Due To Tax Reform IncreaseDecreaseinNetDeferredIncomeTaxLiabilitiesForTaxGrossUpAdjustmentForRatemakingPurposesDueToTaxReform	-31700000	USD
CY2020Q2	evrg	Income Tax Expense From Tax Reform Total IncomeTaxExpenseFromTaxReformTotal	13800000	USD
CY2020Q2	evrg	Increase Decrease In Unamortized Investment Tax Credits IncreaseDecreaseInUnamortizedInvestmentTaxCredits	-183600000	USD
CY2020Q2	evrg	Increase Decrease In Unamortized Investment Tax Credits For Tax Gross Up Adjustment For Ratemaking Purposes IncreaseDecreaseInUnamortizedInvestmentTaxCreditsForTaxGrossUpAdjustmentForRatemakingPurposes	-16900000	USD
	evrg	Kansas State Statutory Income Tax Rate Thru2020 KansasStateStatutoryIncomeTaxRateThru2020	0.07	Rate

Files In Submission

Name	View Source	Status
0001711269-20-000060-index-headers.html	Edgar Link	pending
0001711269-20-000060-index.html	Edgar Link	pending
0001711269-20-000060.txt	Edgar Link	pending
0001711269-20-000060-xbrl.zip	Edgar Link	pending
evrg-09302020xex311.htm	Edgar Link	pending
evrg-09302020xex312.htm	Edgar Link	pending
evrg-09302020xex313.htm	Edgar Link	pending
evrg-09302020xex314.htm	Edgar Link	pending
evrg-09302020xex315.htm	Edgar Link	pending
evrg-09302020xex316.htm	Edgar Link	pending
evrg-09302020xex321.htm	Edgar Link	pending
evrg-09302020xex322.htm	Edgar Link	pending
evrg-09302020xex323.htm	Edgar Link	pending
evrg-20200930.htm	Edgar Link	pending
evrg-20200930.xsd	Edgar Link	pending
evrg-20200930_cal.xml	Edgar Link	unprocessable
evrg-20200930_def.xml	Edgar Link	unprocessable
evrg-20200930_g1.jpg	Edgar Link	pending
evrg-20200930_htm.xml	Edgar Link	completed
evrg-20200930_lab.xml	Edgar Link	unprocessable
evrg-20200930_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
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R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$EVRG
Evergy, Inc. Stock $evrg

2020 Q4 Form 10-Q Financial Statement

#000171126920000060 Filed on November 05, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EVRG Evergy, Inc. Stock $evrg

2020 Q4 Form 10-Q Financial Statement

#000171126920000060 Filed on November 05, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EVRG
Evergy, Inc. Stock $evrg