10-K Filing

EVERGY, INC. CIK: 1711269 FY 2020

Filing Information

Form Type	10-K
Accession Number	`0001711269-21-000023`
Period End Date	20201231
Filing Date	20210226
Fiscal Year	2020
Fiscal Period	FY
XBRL Instance	evrg-20201231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 92 Income Statement 89 Cash Flow Statement 158 Stockholders Equity 47 Comprehensive Income 155

Balance Sheet 92 line items

Line Item	Tag	Value	Unit	Period
Allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$19.30M	USD	Point-in-time
Allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$10.50M	USD	Point-in-time
Common stock - shares authorized (in shares)	`CommonStockSharesAuthorized`	600.00M	shares	Point-in-time
Common stock - shares authorized (in shares)	`CommonStockSharesAuthorized`	600.00M	shares	Point-in-time
Common stock - shares issued (in shares)	`CommonStockSharesIssued`	226.84M	shares	Point-in-time
Common stock - shares issued (in shares)	`CommonStockSharesIssued`	226.64M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$144.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$23.20M	USD	Point-in-time
Receivables, net of allowance for credit losses of $19.3 and $10.5, respectively	`AccountsReceivableNetCurrent`	$273.90M	USD	Point-in-time
Receivables, net of allowance for credit losses of $19.3 and $10.5, respectively	`AccountsReceivableNetCurrent`	$228.50M	USD	Point-in-time
Accounts receivable pledged as collateral	`TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount`	$360.00M	USD	Point-in-time
Accounts receivable pledged as collateral	`TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount`	$339.00M	USD	Point-in-time
Fuel inventory and supplies	`EnergyRelatedInventory`	$504.50M	USD	Point-in-time
Fuel inventory and supplies	`EnergyRelatedInventory`	$481.60M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$85.50M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$62.90M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$231.70M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$206.20M	USD	Point-in-time
Prepaid expenses and other assets	`PrepaidExpenseAndOtherAssetsCurrent`	$78.20M	USD	Point-in-time
Prepaid expenses and other assets	`PrepaidExpenseAndOtherAssetsCurrent`	$71.90M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$1.62B	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$1.47B	USD	Point-in-time
PROPERTY, PLANT AND EQUIPMENT, NET	`PropertyPlantAndEquipmentNet`	$19.95B	USD	Point-in-time
PROPERTY, PLANT AND EQUIPMENT, NET	`PropertyPlantAndEquipmentNet`	$19.18B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.87B	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$1.74B	USD	Point-in-time
Nuclear decommissioning trust fund	`DecommissioningFundInvestments`	$573.20M	USD	Point-in-time
Nuclear decommissioning trust fund	`DecommissioningFundInvestments`	$652.10M	USD	Point-in-time
Goodwill	`Goodwill`	$2.34B	USD	Point-in-time
Goodwill	`Goodwill`	$2.34B	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$527.70M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$511.50M	USD	Point-in-time
Total Other Assets	`RegulatedEntityOtherAssetsNoncurrent`	$5.38B	USD	Point-in-time
Total Other Assets	`RegulatedEntityOtherAssetsNoncurrent`	$5.16B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$27.11B	USD	Point-in-time
TOTAL ASSETS	`Assets`	$25.98B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$436.40M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$251.10M	USD	Point-in-time
Notes payable and commercial paper	`ShortTermBankLoansAndNotesPayable`	$561.90M	USD	Point-in-time
Notes payable and commercial paper	`ShortTermBankLoansAndNotesPayable`	$315.00M	USD	Point-in-time
Collateralized note payable	`TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount`	$360.00M	USD	Point-in-time
Collateralized note payable	`TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount`	$339.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$528.80M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$654.00M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$145.10M	USD	Point-in-time
Accrued taxes	`TaxesPayableCurrent`	$143.80M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$122.30M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$123.40M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$63.30M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$26.10M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$71.30M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationCurrent`	$40.20M	USD	Point-in-time
Accrued compensation and benefits	`EmployeeRelatedLiabilitiesCurrent`	$55.50M	USD	Point-in-time
Accrued compensation and benefits	`EmployeeRelatedLiabilitiesCurrent`	$59.20M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$182.60M	USD	Point-in-time
Other	`OtherLiabilitiesCurrent`	$161.60M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$2.34B	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$2.36B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$8.75B	USD	Point-in-time
Long-term debt, net	`LongTermDebtNoncurrent`	$9.19B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.74B	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$1.66B	USD	Point-in-time
Unamortized investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$375.40M	USD	Point-in-time
Unamortized investment tax credits	`AccumulatedDeferredInvestmentTaxCredit`	$186.70M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$2.25B	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$2.64B	USD	Point-in-time
Pension and post-retirement liability	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$1.02B	USD	Point-in-time
Pension and post-retirement liability	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$1.15B	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$602.80M	USD	Point-in-time
Asset retirement obligations	`AssetRetirementObligationsNoncurrent`	$901.70M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$308.20M	USD	Point-in-time
Other	`OtherLiabilitiesNoncurrent`	$340.70M	USD	Point-in-time
Total Long-Term Liabilities	`LiabilitiesNoncurrent`	$16.04B	USD	Point-in-time
Total Long-Term Liabilities	`LiabilitiesNoncurrent`	$15.09B	USD	Point-in-time
Commitments and Contingencies (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock - 600,000,000 shares authorized, without par value 226,836,670 and 226,641,443 shares issued, stated value	`CommonStockValue`	$7.07B	USD	Point-in-time
Common stock - 600,000,000 shares authorized, without par value 226,836,670 and 226,641,443 shares issued, stated value	`CommonStockValue`	$7.08B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.55B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.70B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-49.40M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-50.00M	USD	Point-in-time
Total Evergy, Inc. Shareholders' Equity	`StockholdersEquity`	$8.57B	USD	Point-in-time
Total Evergy, Inc. Shareholders' Equity	`StockholdersEquity`	$8.73B	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$-26.60M	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$-14.90M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.86B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.55B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.72B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.99B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$27.11B	USD	Point-in-time
TOTAL LIABILITIES AND EQUITY	`LiabilitiesAndStockholdersEquity`	$25.98B	USD	Point-in-time

Income Statement 89 line items

Line Item	Tag	Value	Unit	Period
OPERATING REVENUES	`Revenues`	$1.09B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.13B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.12B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.58B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.52B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$5.15B	USD	Annual
OPERATING REVENUES	`Revenues`	$1.22B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$4.28B	USD	Annual
OPERATING REVENUES	`Revenues`	$1.22B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.18B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$4.91B	USD	Annual
Fuel and purchased power	`FuelAndPurchasedPower`	$1.26B	USD	Annual
Fuel and purchased power	`FuelAndPurchasedPower`	$1.10B	USD	Annual
Fuel and purchased power	`FuelAndPurchasedPower`	$1.08B	USD	Annual
SPP network transmission costs	`SPPNetworkTransmissionCosts`	$251.30M	USD	Annual
SPP network transmission costs	`SPPNetworkTransmissionCosts`	$263.20M	USD	Annual
SPP network transmission costs	`SPPNetworkTransmissionCosts`	$259.90M	USD	Annual
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.22B	USD	Annual
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.12B	USD	Annual
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.16B	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$618.80M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$861.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$880.10M	USD	Annual
Taxes other than income tax	`TaxesExcludingIncomeAndExciseTaxes`	$365.50M	USD	Annual
Taxes other than income tax	`TaxesExcludingIncomeAndExciseTaxes`	$364.20M	USD	Annual
Taxes other than income tax	`TaxesExcludingIncomeAndExciseTaxes`	$269.10M	USD	Annual
Total Operating Expenses	`CostsAndExpenses`	$3.77B	USD	Annual
Total Operating Expenses	`CostsAndExpenses`	$3.96B	USD	Annual
Total Operating Expenses	`CostsAndExpenses`	$3.34B	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$153.00M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$271.70M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$271.70M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$538.70M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$209.60M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$1.14B	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$1.19B	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$165.80M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$933.60M	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$197.50M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$521.70M	USD	1 Quarter
Investment earnings (loss)	`GainLossOnInvestments`	$11.00M	USD	Annual
Investment earnings (loss)	`GainLossOnInvestments`	$10.80M	USD	Annual
Investment earnings (loss)	`GainLossOnInvestments`	$8.80M	USD	Annual
Other income	`OtherNonoperatingIncome`	$31.30M	USD	Annual
Other income	`OtherNonoperatingIncome`	$15.50M	USD	Annual
Other income	`OtherNonoperatingIncome`	$26.90M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$78.70M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$76.90M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$78.20M	USD	Annual
Total Other Expense, Net	`NonoperatingIncomeExpense`	$-39.00M	USD	Annual
Total Other Expense, Net	`NonoperatingIncomeExpense`	$-36.10M	USD	Annual
Total Other Expense, Net	`NonoperatingIncomeExpense`	$-54.40M	USD	Annual
Interest expense	`InterestExpense`	$383.90M	USD	Annual
Interest expense	`InterestExpense`	$279.60M	USD	Annual
Interest expense	`InterestExpense`	$374.00M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$599.60M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$723.90M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$772.80M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$102.20M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$97.00M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$59.00M	USD	Annual
Equity in earnings of equity method investees, net of income taxes	`IncomeLossFromEquityMethodInvestments`	$8.30M	USD	Annual
Equity in earnings of equity method investees, net of income taxes	`IncomeLossFromEquityMethodInvestments`	$9.80M	USD	Annual
Equity in earnings of equity method investees, net of income taxes	`IncomeLossFromEquityMethodInvestments`	$5.40M	USD	Annual
NET INCOME	`ProfitLoss`	$367.50M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$370.90M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$630.00M	USD	Annual
NET INCOME	`ProfitLoss`	$72.20M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$144.60M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$66.70M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$546.00M	USD	Annual
NET INCOME	`ProfitLoss`	$54.00M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$136.30M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$103.40M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$685.60M	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.20M	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$15.70M	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$11.70M	USD	Annual
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$535.80M	USD	Annual
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$139.70M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$133.40M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$99.50M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$63.90M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$51.00M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$69.40M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$366.80M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$618.30M	USD	Annual
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$364.50M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$669.90M	USD	Annual

Cash Flow Statement 158 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$367.50M	USD	1 Quarter
Net income	`ProfitLoss`	$370.90M	USD	1 Quarter
Net income	`ProfitLoss`	$630.00M	USD	Annual
Net income	`ProfitLoss`	$72.20M	USD	1 Quarter
Net income	`ProfitLoss`	$144.60M	USD	1 Quarter
Net income	`ProfitLoss`	$66.70M	USD	1 Quarter
Net income	`ProfitLoss`	$546.00M	USD	Annual
Net income	`ProfitLoss`	$54.00M	USD	1 Quarter
Net income	`ProfitLoss`	$136.30M	USD	1 Quarter
Net income	`ProfitLoss`	$103.40M	USD	1 Quarter
Net income	`ProfitLoss`	$685.60M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$618.80M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$861.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$880.10M	USD	Annual
Amortization of nuclear fuel	`AmortizationOfNuclearFuel`	$51.40M	USD	Annual
Amortization of nuclear fuel	`AmortizationOfNuclearFuel`	$58.30M	USD	Annual
Amortization of nuclear fuel	`AmortizationOfNuclearFuel`	$43.60M	USD	Annual
Amortization of deferred refueling outage	`AmortizationOfDeferredRefuelingOutageCosts`	$25.40M	USD	Annual
Amortization of deferred refueling outage	`AmortizationOfDeferredRefuelingOutageCosts`	$25.50M	USD	Annual
Amortization of deferred refueling outage	`AmortizationOfDeferredRefuelingOutageCosts`	$21.20M	USD	Annual
Amortization of corporate-owned life insurance	`AmortizationOfCorporateOwnedLifeInsurance`	$20.10M	USD	Annual
Amortization of corporate-owned life insurance	`AmortizationOfCorporateOwnedLifeInsurance`	$22.60M	USD	Annual
Amortization of corporate-owned life insurance	`AmortizationOfCorporateOwnedLifeInsurance`	$19.80M	USD	Annual
Non-cash compensation	`ShareBasedCompensation`	$16.30M	USD	Annual
Non-cash compensation	`ShareBasedCompensation`	$29.90M	USD	Annual
Non-cash compensation	`ShareBasedCompensation`	$16.00M	USD	Annual
Net deferred income taxes and credits	`DeferredIncomeTaxesAndTaxCredits`	$121.50M	USD	Annual
Net deferred income taxes and credits	`DeferredIncomeTaxesAndTaxCredits`	$126.90M	USD	Annual
Net deferred income taxes and credits	`DeferredIncomeTaxesAndTaxCredits`	$124.20M	USD	Annual
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$2.20M	USD	Annual
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$3.10M	USD	Annual
Allowance for equity funds used during construction	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$17.20M	USD	Annual
Payments for asset retirement obligations	`PaymentsForAssetRetirementObligations`	$22.40M	USD	Annual
Payments for asset retirement obligations	`PaymentsForAssetRetirementObligations`	$17.80M	USD	Annual
Payments for asset retirement obligations	`PaymentsForAssetRetirementObligations`	$18.40M	USD	Annual
Equity in earnings of equity method investees, net of income taxes	`IncomeLossFromEquityMethodInvestments`	$8.30M	USD	Annual
Equity in earnings of equity method investees, net of income taxes	`IncomeLossFromEquityMethodInvestments`	$9.80M	USD	Annual
Equity in earnings of equity method investees, net of income taxes	`IncomeLossFromEquityMethodInvestments`	$5.40M	USD	Annual
Income from corporate-owned life insurance	`IncomeFromCorporateOwnedLifeInsurance`	$8.20M	USD	Annual
Income from corporate-owned life insurance	`IncomeFromCorporateOwnedLifeInsurance`	$29.60M	USD	Annual
Income from corporate-owned life insurance	`IncomeFromCorporateOwnedLifeInsurance`	$2.30M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$5.20M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-800.00K	USD	Annual
Other	`OtherNoncashIncomeExpense`	$3.20M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$23.10M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$4.90M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-265.10M	USD	Annual
Accounts receivable pledged as collateral	`IncreaseDecreaseInAccountsReceivablePledgedAsCollateral`	$185.00M	USD	Annual
Accounts receivable pledged as collateral	`IncreaseDecreaseInAccountsReceivablePledgedAsCollateral`	$-26.00M	USD	Annual
Accounts receivable pledged as collateral	`IncreaseDecreaseInAccountsReceivablePledgedAsCollateral`	$21.00M	USD	Annual
Fuel inventory and supplies	`IncreaseDecreaseInEnergyRelatedInventory`	$-54.70M	USD	Annual
Fuel inventory and supplies	`IncreaseDecreaseInEnergyRelatedInventory`	$22.30M	USD	Annual
Fuel inventory and supplies	`IncreaseDecreaseInEnergyRelatedInventory`	$-29.90M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-43.40M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$128.10M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-16.90M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$16.90M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$134.30M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$56.70M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$6.70M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-8.20M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-76.40M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-98.90M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$92.00M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherCurrentLiabilities`	$-59.40M	USD	Annual
Changes in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-66.80M	USD	Annual
Changes in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-119.50M	USD	Annual
Changes in other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-79.80M	USD	Annual
Changes in other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-82.00M	USD	Annual
Changes in other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-15.90M	USD	Annual
Changes in other liabilities	`IncreaseDecreaseInOtherNoncurrentLiabilities`	$-75.50M	USD	Annual
Cash Flows from Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.75B	USD	Annual
Cash Flows from Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.50B	USD	Annual
Cash Flows from Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.75B	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.07B	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.56B	USD	Annual
Additions to property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.21B	USD	Annual
Cash acquired from the merger with Great Plains Energy	`CashAcquiredFromAcquisition`	$1.15B	USD	Annual
Cash acquired from the merger with Great Plains Energy	`CashAcquiredFromAcquisition`	-	USD	Annual
Cash acquired from the merger with Great Plains Energy	`CashAcquiredFromAcquisition`	-	USD	Annual
Purchase of securities - trusts	`PaymentsToInvestInDecommissioningFund`	$117.50M	USD	Annual
Purchase of securities - trusts	`PaymentsToInvestInDecommissioningFund`	$65.60M	USD	Annual
Purchase of securities - trusts	`PaymentsToInvestInDecommissioningFund`	$55.80M	USD	Annual
Sale of securities - trusts	`ProceedsFromDecommissioningFund`	$47.30M	USD	Annual
Sale of securities - trusts	`ProceedsFromDecommissioningFund`	$117.70M	USD	Annual
Sale of securities - trusts	`ProceedsFromDecommissioningFund`	$56.50M	USD	Annual
Investment in corporate-owned life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$19.10M	USD	Annual
Investment in corporate-owned life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$17.10M	USD	Annual
Investment in corporate-owned life insurance	`PaymentsToAcquireLifeInsurancePolicies`	$18.30M	USD	Annual
Proceeds from investment in corporate-owned life insurance	`ProceedsFromLifeInsurancePolicies`	$161.70M	USD	Annual
Proceeds from investment in corporate-owned life insurance	`ProceedsFromLifeInsurancePolicies`	$65.90M	USD	Annual
Proceeds from investment in corporate-owned life insurance	`ProceedsFromLifeInsurancePolicies`	$6.80M	USD	Annual
Proceeds from settlement of interest rate swap	`ProceedsFromDerivativeInstrumentInvestingActivities`	$140.60M	USD	Annual
Proceeds from settlement of interest rate swap	`ProceedsFromDerivativeInstrumentInvestingActivities`	-	USD	Annual
Proceeds from settlement of interest rate swap	`ProceedsFromDerivativeInstrumentInvestingActivities`	-	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$5.10M	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$11.10M	USD	Annual
Other investing activities	`PaymentsForProceedsFromOtherInvestingActivities`	$17.60M	USD	Annual
Cash Flows from (used in) Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.53B	USD	Annual
Cash Flows from (used in) Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.08B	USD	Annual
Cash Flows from (used in) Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$197.40M	USD	Annual
Short-term debt, net	`ProceedsFromRepaymentsOfShortTermDebt`	$-176.70M	USD	Annual
Short-term debt, net	`ProceedsFromRepaymentsOfShortTermDebt`	$-246.90M	USD	Annual
Short-term debt, net	`ProceedsFromRepaymentsOfShortTermDebt`	$-104.00M	USD	Annual
Proceeds from term loan facility	`ProceedsFromTermLoanFacility`	-	USD	Annual
Proceeds from term loan facility	`ProceedsFromTermLoanFacility`	-	USD	Annual
Proceeds from term loan facility	`ProceedsFromTermLoanFacility`	$1.00B	USD	Annual
Repayment of term loan facility	`RepaymentOfTermLoanFacility`	$1.00B	USD	Annual
Repayment of term loan facility	`RepaymentOfTermLoanFacility`	-	USD	Annual
Repayment of term loan facility	`RepaymentOfTermLoanFacility`	-	USD	Annual
Collateralized short-term borrowings, net	`ProceedsFromPaymentsForIssuanceOfCollateralizedDebtNet`	$-26.00M	USD	Annual
Collateralized short-term borrowings, net	`ProceedsFromPaymentsForIssuanceOfCollateralizedDebtNet`	$21.00M	USD	Annual
Collateralized short-term borrowings, net	`ProceedsFromPaymentsForIssuanceOfCollateralizedDebtNet`	$185.00M	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$290.90M	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$888.80M	USD	Annual
Proceeds from long-term debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.37B	USD	Annual
Retirements of long-term debt	`RepaymentsOfLongTermDebt`	$251.10M	USD	Annual
Retirements of long-term debt	`RepaymentsOfLongTermDebt`	$395.80M	USD	Annual
Retirements of long-term debt	`RepaymentsOfLongTermDebt`	$701.10M	USD	Annual
Retirements of long-term debt of variable interest entities	`RetirementsofLongTermDebtOfVIEs`	$32.30M	USD	Annual
Retirements of long-term debt of variable interest entities	`RetirementsofLongTermDebtOfVIEs`	$30.30M	USD	Annual
Retirements of long-term debt of variable interest entities	`RetirementsofLongTermDebtOfVIEs`	$28.50M	USD	Annual
Payment for settlement of interest rate swap accounted for as a cash flow hedge	`PaymentsForHedgeFinancingActivities`	$69.80M	USD	Point-in-time
Payment for settlement of interest rate swap accounted for as a cash flow hedge	`PaymentsForHedgeFinancingActivities`	-	USD	Annual
Payment for settlement of interest rate swap accounted for as a cash flow hedge	`PaymentsForHedgeFinancingActivities`	-	USD	Annual
Payment for settlement of interest rate swap accounted for as a cash flow hedge	`PaymentsForHedgeFinancingActivities`	$69.80M	USD	Annual
Borrowings against cash surrender value of corporate-owned life insurance	`ProceedsFromBorrowingsAgainstCorporateOwnedLifeInsurance`	$56.50M	USD	Annual
Borrowings against cash surrender value of corporate-owned life insurance	`ProceedsFromBorrowingsAgainstCorporateOwnedLifeInsurance`	$59.40M	USD	Annual
Borrowings against cash surrender value of corporate-owned life insurance	`ProceedsFromBorrowingsAgainstCorporateOwnedLifeInsurance`	$55.50M	USD	Annual
Repayment of borrowings against cash surrender value of corporate-owned life insurance	`RepaymentsOfBorrowingsAgainstCorporateOwnedLifeInsurance`	$54.80M	USD	Annual
Repayment of borrowings against cash surrender value of corporate-owned life insurance	`RepaymentsOfBorrowingsAgainstCorporateOwnedLifeInsurance`	$3.90M	USD	Annual
Repayment of borrowings against cash surrender value of corporate-owned life insurance	`RepaymentsOfBorrowingsAgainstCorporateOwnedLifeInsurance`	$127.50M	USD	Annual
Cash dividends paid	`PaymentsOfDividends`	$465.00M	USD	Annual
Cash dividends paid	`PaymentsOfDividends`	$475.00M	USD	Annual
Cash dividends paid	`PaymentsOfDividends`	$462.50M	USD	Annual
Repurchase of common stock under repurchase plan	`PaymentsForRepurchaseOfCommonStock`	$1.63B	USD	Annual
Repurchase of common stock under repurchase plan	`PaymentsForRepurchaseOfCommonStock`	$1.04B	USD	Annual
Repurchase of common stock under repurchase plan	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Distributions to shareholders of noncontrolling interests	`PaymentsToMinorityShareholders`	$8.60M	USD	Annual
Distributions to shareholders of noncontrolling interests	`PaymentsToMinorityShareholders`	-	USD	Annual
Distributions to shareholders of noncontrolling interests	`PaymentsToMinorityShareholders`	-	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-21.30M	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-13.60M	USD	Annual
Other financing activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.70M	USD	Annual
Cash Flows from (used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-805.80M	USD	Annual
Cash Flows from (used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-98.40M	USD	Annual
Cash Flows from (used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.54B	USD	Annual
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$156.80M	USD	Annual
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-137.10M	USD	Annual
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$121.70M	USD	Annual
Beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$23.20M	USD	Point-in-time
Beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.50M	USD	Point-in-time
Beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$160.30M	USD	Point-in-time
Beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$144.90M	USD	Point-in-time
End of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$23.20M	USD	Point-in-time
End of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$3.50M	USD	Point-in-time
End of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$160.30M	USD	Point-in-time
End of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$144.90M	USD	Point-in-time

Stockholders Equity 47 line items

Line Item	Tag	Value	Unit	Period
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.93	USD	Annual
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$2.05	USD	Annual
Dividends declared on common stock (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$1.74	USD	Annual
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.86B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.55B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.72B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.99B	USD	Point-in-time
Net income	`ProfitLoss`	$367.50M	USD	1 Quarter
Net income	`ProfitLoss`	$370.90M	USD	1 Quarter
Net income	`ProfitLoss`	$630.00M	USD	Annual
Net income	`ProfitLoss`	$72.20M	USD	1 Quarter
Net income	`ProfitLoss`	$144.60M	USD	1 Quarter
Net income	`ProfitLoss`	$66.70M	USD	1 Quarter
Net income	`ProfitLoss`	$546.00M	USD	Annual
Net income	`ProfitLoss`	$54.00M	USD	1 Quarter
Net income	`ProfitLoss`	$136.30M	USD	1 Quarter
Net income	`ProfitLoss`	$103.40M	USD	1 Quarter
Net income	`ProfitLoss`	$685.60M	USD	Annual
Issuance of stock to Great Plains Energy shareholders	`StockIssuedDuringPeriodValueAcquisitions`	$6.98B	USD	Annual
Issuance of stock compensation and reinvested dividends, net of tax withholding	`StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet`	$2.40M	USD	Annual
Issuance of stock compensation and reinvested dividends, net of tax withholding	`StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet`	$5.90M	USD	Annual
Issuance of stock compensation and reinvested dividends, net of tax withholding	`StockIssuedDuringPeriodValueDividendReinvestmentPlanAndShareBasedCompensationNet`	$16.70M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$465.00M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$462.50M	USD	Annual
Dividends declared on common stock	`DividendsCommonStockCash`	$362.10M	USD	Annual
Dividend equivalents declared	`DividendsShareBasedCompensation`	$1.00M	USD	Annual
Dividend equivalents declared	`DividendsShareBasedCompensation`	$2.00M	USD	Annual
Dividend equivalents declared	`DividendsShareBasedCompensation`	$1.90M	USD	Annual
Stock compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$16.30M	USD	Annual
Stock compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$16.00M	USD	Annual
Stock compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$29.90M	USD	Annual
Repurchase of common stock under repurchase plan	`StockRepurchasedDuringPeriodValue`	$1.63B	USD	Annual
Repurchase of common stock under repurchase plan	`StockRepurchasedDuringPeriodValue`	$1.04B	USD	Annual
Consolidation of noncontrolling interests	`NoncontrollingInterestIncreaseFromConsolidationNet`	$3.80M	USD	Annual
Distributions to shareholders of noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$8.60M	USD	Annual
Derivative hedging activity, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$3.00M	USD	Annual
Derivative hedging activity, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$-4.00M	USD	Annual
Derivative hedging activity, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$-46.40M	USD	Annual
Change in unrecognized pension expense, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$600.00K	USD	Annual
Change in unrecognized pension expense, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.00M	USD	Annual
Change in unrecognized pension expense, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.40M	USD	Annual
Other	`StockholdersEquityOther`	$400.00K	USD	Annual
Other	`StockholdersEquityOther`	$500.00K	USD	Annual
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.86B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.55B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$8.72B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$9.99B	USD	Point-in-time

Comprehensive Income 155 line items

Line Item	Tag	Value	Unit	Period
OPERATING REVENUES	`Revenues`	$1.09B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.13B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.12B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.58B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.52B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$5.15B	USD	Annual
OPERATING REVENUES	`Revenues`	$1.22B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$4.28B	USD	Annual
OPERATING REVENUES	`Revenues`	$1.22B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$1.18B	USD	1 Quarter
OPERATING REVENUES	`Revenues`	$4.91B	USD	Annual
Fuel and purchased power	`FuelAndPurchasedPower`	$1.26B	USD	Annual
Fuel and purchased power	`FuelAndPurchasedPower`	$1.10B	USD	Annual
Fuel and purchased power	`FuelAndPurchasedPower`	$1.08B	USD	Annual
SPP network transmission costs	`SPPNetworkTransmissionCosts`	$251.30M	USD	Annual
SPP network transmission costs	`SPPNetworkTransmissionCosts`	$263.20M	USD	Annual
SPP network transmission costs	`SPPNetworkTransmissionCosts`	$259.90M	USD	Annual
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.22B	USD	Annual
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.12B	USD	Annual
Operating and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.16B	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$618.80M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$861.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$880.10M	USD	Annual
Taxes other than income tax	`TaxesExcludingIncomeAndExciseTaxes`	$365.50M	USD	Annual
Taxes other than income tax	`TaxesExcludingIncomeAndExciseTaxes`	$364.20M	USD	Annual
Taxes other than income tax	`TaxesExcludingIncomeAndExciseTaxes`	$269.10M	USD	Annual
Total Operating Expenses	`CostsAndExpenses`	$3.77B	USD	Annual
Total Operating Expenses	`CostsAndExpenses`	$3.96B	USD	Annual
Total Operating Expenses	`CostsAndExpenses`	$3.34B	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$153.00M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$271.70M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$271.70M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$538.70M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$209.60M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$1.14B	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$1.19B	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$165.80M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$933.60M	USD	Annual
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$197.50M	USD	1 Quarter
INCOME FROM OPERATIONS	`OperatingIncomeLoss`	$521.70M	USD	1 Quarter
Investment earnings	`GainLossOnInvestments`	$11.00M	USD	Annual
Investment earnings	`GainLossOnInvestments`	$10.80M	USD	Annual
Investment earnings	`GainLossOnInvestments`	$8.80M	USD	Annual
Other income	`OtherNonoperatingIncome`	$31.30M	USD	Annual
Other income	`OtherNonoperatingIncome`	$15.50M	USD	Annual
Other income	`OtherNonoperatingIncome`	$26.90M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$78.70M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$76.90M	USD	Annual
Other expense	`OtherNonoperatingExpense`	$78.20M	USD	Annual
Total Other Expense, Net	`NonoperatingIncomeExpense`	$-39.00M	USD	Annual
Total Other Expense, Net	`NonoperatingIncomeExpense`	$-36.10M	USD	Annual
Total Other Expense, Net	`NonoperatingIncomeExpense`	$-54.40M	USD	Annual
Interest expense	`InterestExpense`	$383.90M	USD	Annual
Interest expense	`InterestExpense`	$279.60M	USD	Annual
Interest expense	`InterestExpense`	$374.00M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$599.60M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$723.90M	USD	Annual
INCOME BEFORE INCOME TAXES	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$772.80M	USD	Annual
Interest expense	`IncomeTaxExpenseBenefit`	$102.20M	USD	Annual
Interest expense	`IncomeTaxExpenseBenefit`	$97.00M	USD	Annual
Interest expense	`IncomeTaxExpenseBenefit`	$59.00M	USD	Annual
Equity in earnings of equity method investees, net of income taxes	`IncomeLossFromEquityMethodInvestments`	$8.30M	USD	Annual
Equity in earnings of equity method investees, net of income taxes	`IncomeLossFromEquityMethodInvestments`	$9.80M	USD	Annual
Equity in earnings of equity method investees, net of income taxes	`IncomeLossFromEquityMethodInvestments`	$5.40M	USD	Annual
NET INCOME	`ProfitLoss`	$367.50M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$370.90M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$630.00M	USD	Annual
NET INCOME	`ProfitLoss`	$72.20M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$144.60M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$66.70M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$546.00M	USD	Annual
NET INCOME	`ProfitLoss`	$54.00M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$136.30M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$103.40M	USD	1 Quarter
NET INCOME	`ProfitLoss`	$685.60M	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$10.20M	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$15.70M	USD	Annual
Less: Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$11.70M	USD	Annual
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$535.80M	USD	Annual
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$139.70M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$133.40M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$99.50M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$63.90M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$51.00M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$69.40M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$366.80M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$618.30M	USD	Annual
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$364.50M	USD	1 Quarter
Net income attributable to Evergy, Inc.	`NetIncomeLoss`	$669.90M	USD	Annual
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$2.80	USD	Annual
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$2.72	USD	Annual
Basic earnings per common share (in dollars per share)	`EarningsPerShareBasic`	$2.50	USD	Annual
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$2.72	USD	Annual
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$2.50	USD	Annual
Diluted earnings per common share (in dollars per share)	`EarningsPerShareDiluted`	$2.79	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	227.20M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	239.50M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	213.90M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	227.50M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	239.90M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	214.10M	shares	Annual
Net income	`ProfitLoss`	$367.50M	USD	1 Quarter
Net income	`ProfitLoss`	$370.90M	USD	1 Quarter
Net income	`ProfitLoss`	$630.00M	USD	Annual
Net income	`ProfitLoss`	$72.20M	USD	1 Quarter
Net income	`ProfitLoss`	$144.60M	USD	1 Quarter
Net income	`ProfitLoss`	$66.70M	USD	1 Quarter
Net income	`ProfitLoss`	$546.00M	USD	Annual
Net income	`ProfitLoss`	$54.00M	USD	1 Quarter
Net income	`ProfitLoss`	$136.30M	USD	1 Quarter
Net income	`ProfitLoss`	$103.40M	USD	1 Quarter
Net income	`ProfitLoss`	$685.60M	USD	Annual
Loss on derivative hedging instruments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax`	$-64.40M	USD	Annual
Loss on derivative hedging instruments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax`	$-5.40M	USD	Annual
Loss on derivative hedging instruments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax`	$-69.80M	USD	3 Qtrs
Loss on derivative hedging instruments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax`	-	USD	Annual
Income tax benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-1.40M	USD	Annual
Income tax benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	$-16.50M	USD	Annual
Income tax benefit	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax`	-	USD	Annual
Net loss on derivative hedging instruments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	-	USD	Annual
Net loss on derivative hedging instruments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-4.00M	USD	Annual
Net loss on derivative hedging instruments	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax`	$-47.90M	USD	Annual
Reclassification to expenses, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-3.00M	USD	Annual
Reclassification to expenses, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Reclassification to expenses, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.50M	USD	Annual
Derivative hedging activity, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$3.00M	USD	Annual
Derivative hedging activity, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$-4.00M	USD	Annual
Derivative hedging activity, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$-46.40M	USD	Annual
Net gain (loss) arising during period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$-3.00M	USD	Annual
Net gain (loss) arising during period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$-800.00K	USD	Annual
Net gain (loss) arising during period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$1.40M	USD	Annual
Income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-200.00K	USD	Annual
Income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-700.00K	USD	Annual
Income tax expense (benefit)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$400.00K	USD	Annual
Net gain (loss) arising during period, net of tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-600.00K	USD	Annual
Net gain (loss) arising during period, net of tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-2.30M	USD	Annual
Net gain (loss) arising during period, net of tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$1.00M	USD	Annual
Amortization of net losses included in net periodic benefit costs, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$100.00K	USD	Annual
Amortization of net losses included in net periodic benefit costs, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	-	USD	Annual
Amortization of net losses included in net periodic benefit costs, net of tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	-	USD	Annual
Change in unrecognized pension expense, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$600.00K	USD	Annual
Change in unrecognized pension expense, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.00M	USD	Annual
Change in unrecognized pension expense, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.40M	USD	Annual
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$600.00K	USD	Annual
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-3.00M	USD	Annual
Total other comprehensive income (loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-47.00M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$630.60M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$638.60M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$543.00M	USD	Annual
Less: comprehensive income attributable to noncontrolling interest	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest`	$10.20M	USD	Annual
Less: comprehensive income attributable to noncontrolling interest	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest`	$15.70M	USD	Annual
Less: comprehensive income attributable to noncontrolling interest	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest`	$11.70M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTax`	$622.90M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTax`	$532.80M	USD	Annual
COMPREHENSIVE INCOME	`ComprehensiveIncomeNetOfTax`	$618.90M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.