$ES
Eversource Energy Stock $es

$es Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000007274121000025 Filed on November 05, 2021

Income Statement

Concept	2021 Q4	2021 Q3	2020 Q4
Revenue	$2.561B	$2.433B	$2.237B
YoY Change	14.48%	3.81%	9.09%
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	$280.8M	$322.1M	$260.2M
YoY Change	7.92%	6.66%	13.77%
% of Gross Profit
Operating Expenses	$2.009B	$1.949B	$1.779B
YoY Change	12.92%	9.37%	10.18%
Operating Profit		$483.3M
YoY Change		-13.88%
Interest Expense	-$142.8M	$148.0M	-$130.9M
YoY Change	9.07%	10.37%	51.68%
% of Operating Profit		30.62%
Other Income/Expense, Net	$28.29M	$43.80M	$18.70M
YoY Change	51.3%	50.0%	-201.63%
Pretax Income	$358.3M	$379.1M	$344.4M
YoY Change	4.05%	-16.93%	4.05%
Income Tax	$49.76M	$94.09M	$70.60M
% Of Pretax Income	13.89%	24.82%	20.5%
Net Earnings	$306.7M	$285.0M	$271.9M
YoY Change	12.8%	-18.12%	7.94%
Net Earnings / Revenue	11.98%	11.72%	12.16%
Basic Earnings Per Share		$0.82
Diluted Earnings Per Share	$888.8K	$0.82	$790.2K
COMMON SHARES
Basic Shares Outstanding	343.8M shares	344.0M shares	342.8M shares
Diluted Shares Outstanding		344.7M shares

Balance Sheet

Concept	2021 Q4	2021 Q3	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$66.77M	$88.20M	$107.0M
YoY Change	-37.6%	-87.92%	613.33%
Cash & Equivalents	$221.0M	$218.1M	$265.0M
Short-Term Investments
Other Short-Term Assets	$369.8M	$108.8M	$252.4M
YoY Change	46.47%	-55.37%	-26.22%
Inventory	$267.5M	$217.3M	$266.0M
Prepaid Expenses		$177.9M	$105.6M
Receivables	$1.226B	$1.289B	$1.196B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$3.270B	$3.074B	$3.130B
YoY Change	4.47%	-4.56%	29.64%
LONG-TERM ASSETS
Property, Plant & Equipment	$33.42B	$32.47B	$30.94B
YoY Change	8.04%	11.6%	11.95%
Goodwill	$4.477B	$4.454B	$4.446B
YoY Change	0.7%	1.13%	0.43%
Intangibles
YoY Change
Long-Term Investments	$1.436B	$1.356B	$1.107B
YoY Change	29.74%	50.17%	27.02%
Other Assets	$611.8M	$737.9M	$583.9M
YoY Change	4.78%	30.59%	13.98%
Total Long-Term Assets	$45.22B	$44.94B	$42.97B
YoY Change	5.24%	11.55%	286.28%
TOTAL ASSETS
Total Short-Term Assets	$3.270B	$3.074B	$3.130B
Total Long-Term Assets	$45.22B	$44.94B	$42.97B
Total Assets	$48.49B	$48.01B	$46.10B
YoY Change	5.19%	10.36%	12.1%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.672B	$1.289B	$1.371B
YoY Change	22.0%	5.5%	19.41%
Accrued Expenses	$10.00M		$10.00M
YoY Change	0.0%		11.11%
Deferred Revenue
YoY Change
Short-Term Debt	$1.505B	$711.0M	$1.249B
YoY Change	20.53%	1065.57%	40.49%
Long-Term Debt Due	$1.193B	$798.9M	$1.053B
YoY Change	13.28%	-25.91%	221.67%
Total Short-Term Liabilities	$5.847B	$4.258B	$4.915B
YoY Change	18.96%	17.17%	36.32%
LONG-TERM LIABILITIES
Long-Term Debt	$17.02B	$17.42B	$15.13B
YoY Change	12.55%	18.21%	9.84%
Other Long-Term Liabilities	$971.1M	$974.5M	$948.5M
YoY Change	2.38%	13.81%	17.02%
Total Long-Term Liabilities	$17.99B	$18.39B	$16.07B
YoY Change	11.95%	17.97%	10.24%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.847B	$4.258B	$4.915B
Total Long-Term Liabilities	$17.99B	$18.39B	$16.07B
Total Liabilities	$23.84B	$22.65B	$20.99B
YoY Change	13.59%	17.82%	15.41%
SHAREHOLDERS EQUITY
Retained Earnings	$5.005B	$4.906B	$4.613B
YoY Change	8.5%	8.16%	10.44%
Common Stock	$1.789B	$1.789B	$1.789B
YoY Change	0.0%	0.0%	3.46%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$250.9M	$262.6M	$278.0M
YoY Change	-9.75%	-6.7%	-7.05%
Treasury Stock Shares	13.42M shares	14.04M shares	14.86M shares
Shareholders Equity	$14.60B	$14.41B	$14.06B
YoY Change
Total Liabilities & Shareholders Equity	$48.49B	$48.01B	$46.10B
YoY Change	5.19%	10.36%	12.1%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2020 Q4
OPERATING ACTIVITIES
Net Income	$306.7M	$285.0M	$271.9M
YoY Change	12.8%	-18.12%	7.94%
Depreciation, Depletion And Amortization	$280.8M	$322.1M	$260.2M
YoY Change	7.92%	6.66%	13.77%
Cash From Operating Activities	$442.3M	$712.8M	$186.4M
YoY Change	137.3%	45.24%	-63.78%
INVESTING ACTIVITIES
Capital Expenditures	-$963.9M	-$787.9M	-$841.4M
YoY Change	14.56%	12.33%	7.53%
Acquisitions
YoY Change
Other Investing Activities	-$65.14M	-$132.4M	-$1.278B
YoY Change	-94.9%	-261.07%	3095.5%
Cash From Investing Activities	-$1.029B	-$920.3M	-$2.120B
YoY Change	-51.45%	48.63%	157.7%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	589.6M	57.60M	1.369B
YoY Change	-56.94%	-92.62%	401.72%
NET CHANGE
Cash From Operating Activities	442.3M	712.8M	186.4M
Cash From Investing Activities	-1.029B	-920.3M	-2.120B
Cash From Financing Activities	589.6M	57.60M	1.369B
Net Change In Cash	2.879M	-149.9M	-564.0M
YoY Change	-100.51%	-122.99%	1516.05%
FREE CASH FLOW
Cash From Operating Activities	$442.3M	$712.8M	$186.4M
Capital Expenditures	-$963.9M	-$787.9M	-$841.4M
Free Cash Flow	$1.406B	$1.501B	$1.028B
YoY Change	36.82%	25.88%	-20.77%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0000072741
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
CY2019	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201613Member
CY2020Q3	us-gaap	Operating Lease Income Comprehensive Income Extensible List OperatingLeaseIncomeComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2021-01-31#Revenues
CY2021Q3	us-gaap	Operating Lease Income Comprehensive Income Extensible List OperatingLeaseIncomeComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2021-01-31#Revenues
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Registrant Name EntityRegistrantName	EVERSOURCE ENERGY
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MA
	dei	Entity Address Address Line1 EntityAddressAddressLine1	300 Cadwell Drive
	dei	Entity Address City Or Town EntityAddressCityOrTown	Springfield
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	01104
	dei	City Area Code CityAreaCode	800
	dei	Local Phone Number LocalPhoneNumber	286-5000
	dei	Entity File Number EntityFileNumber	001-05324
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-2147929
	dei	Security12b Title Security12bTitle	Common Shares, $5.00 par value per share
	dei	Trading Symbol TradingSymbol	ES
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	343805812	shares
CY2021Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	1016304000	USD
CY2021Q3	us-gaap	Cash Cash	88204000	USD
CY2020Q4	us-gaap	Cash Cash	106599000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	441723000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	358851000	USD
CY2021Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1288758000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1195925000	USD
CY2021Q3	us-gaap	Receivables From Customers ReceivablesFromCustomers	176325000	USD
CY2020Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	233025000	USD
CY2021Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	217286000	USD
CY2020Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	265599000	USD
CY2020Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	1076556000	USD
CY2021Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	177869000	USD
CY2020Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	105620000	USD
CY2021Q3	us-gaap	Other Assets Current OtherAssetsCurrent	108807000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	146819000	USD
CY2021Q3	us-gaap	Assets Current AssetsCurrent	3073553000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	3130143000	USD
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	32467069000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	30882523000	USD
CY2021Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	5458928000	USD
CY2020Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	5493330000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	4453618000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	4445988000	USD
CY2021Q3	us-gaap	Equity Method Investments EquityMethodInvestments	1356313000	USD
CY2020Q4	us-gaap	Equity Method Investments EquityMethodInvestments	1107143000	USD
CY2021Q3	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	466628000	USD
CY2020Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	456617000	USD
CY2021Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	737946000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	583854000	USD
CY2021Q3	us-gaap	Assets Noncurrent Other Than Noncurrent Investments And Property Plant And Equipment AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment	12473433000	USD
CY2020Q4	us-gaap	Assets Noncurrent Other Than Noncurrent Investments And Property Plant And Equipment AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment	12086932000	USD
CY2021Q3	us-gaap	Assets Assets	48014055000	USD
CY2020Q4	us-gaap	Assets Assets	46099598000	USD
CY2021Q3	us-gaap	Notes Payable NotesPayable	711000000	USD
CY2020Q4	us-gaap	Notes Payable NotesPayable	1249325000	USD
CY2021Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	798880000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1053186000	USD
CY2021Q3	es	Rate Reduction Bonds Current RateReductionBondsCurrent	43210000	USD
CY2020Q4	es	Rate Reduction Bonds Current RateReductionBondsCurrent	43210000	USD
CY2021Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	1289225000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1370647000	USD
CY2021Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	612931000	USD
CY2020Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	389430000	USD
CY2021Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	802831000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	809214000	USD
CY2021Q3	us-gaap	Liabilities Current LiabilitiesCurrent	4258077000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4915012000	USD
CY2021Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	4341105000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	4095339000	USD
CY2021Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3907582000	USD
CY2020Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3850781000	USD
CY2021Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	256569000	USD
CY2020Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	294535000	USD
CY2021Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	505005000	USD
CY2020Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	499713000	USD
CY2021Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1330037000	USD
CY2020Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	1653788000	USD
CY2021Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	974497000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	948506000	USD
CY2021Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	11314795000	USD
CY2020Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	11342662000	USD
CY2021Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	17420300000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	15125876000	USD
CY2021Q3	es	Rate Reduction Bonds RateReductionBonds	453702000	USD
CY2020Q4	es	Rate Reduction Bonds RateReductionBonds	496912000	USD
CY2021Q3	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	155570000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	155570000	USD
CY2021Q3	us-gaap	Common Stock Value CommonStockValue	1789092000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	1789092000	USD
CY2021Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	8050872000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	8015663000	USD
CY2021Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	4906151000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	4613201000	USD
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-71865000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-76411000	USD
CY2021Q3	us-gaap	Treasury Stock Value TreasuryStockValue	262639000	USD
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	277979000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	14411611000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	14063566000	USD
CY2021Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	48014055000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	46099598000	USD
CY2021Q3	us-gaap	Revenues Revenues	2432794000	USD
CY2020Q3	us-gaap	Revenues Revenues	2343642000	USD
	us-gaap	Revenues Revenues	7381172000	USD
	us-gaap	Revenues Revenues	6670497000	USD
CY2021Q3	es	Utilities Operating Expense Purchased Power Purchased Transmission And Fuel Used UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed	880639000	USD
CY2020Q3	es	Utilities Operating Expense Purchased Power Purchased Transmission And Fuel Used UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed	806254000	USD
	es	Utilities Operating Expense Purchased Power Purchased Transmission And Fuel Used UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed	2529217000	USD
	es	Utilities Operating Expense Purchased Power Purchased Transmission And Fuel Used UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed	2312957000	USD
CY2021Q3	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	389065000	USD
CY2020Q3	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	332031000	USD
	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	1265754000	USD
	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	1006148000	USD
CY2021Q3	us-gaap	Depreciation Depreciation	276846000	USD
CY2020Q3	us-gaap	Depreciation Depreciation	244453000	USD
	us-gaap	Depreciation Depreciation	822197000	USD
	us-gaap	Depreciation Depreciation	721179000	USD
CY2021Q3	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	45236000	USD
CY2020Q3	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	57515000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	158860000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	130687000	USD
CY2021Q3	es	Energy Efficiency Programs EnergyEfficiencyPrograms	143796000	USD
CY2020Q3	es	Energy Efficiency Programs EnergyEfficiencyPrograms	145047000	USD
	es	Energy Efficiency Programs EnergyEfficiencyPrograms	460814000	USD
	es	Energy Efficiency Programs EnergyEfficiencyPrograms	408794000	USD
CY2021Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	213881000	USD
CY2020Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	197112000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	623827000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	556726000	USD
CY2021Q3	us-gaap	Operating Expenses OperatingExpenses	1949463000	USD
CY2020Q3	us-gaap	Operating Expenses OperatingExpenses	1782412000	USD
	us-gaap	Operating Expenses OperatingExpenses	5860669000	USD
	us-gaap	Operating Expenses OperatingExpenses	5136491000	USD
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	483331000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	561230000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1520503000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1534006000	USD
CY2021Q3	us-gaap	Interest Expense InterestExpense	147962000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	134066000	USD
	us-gaap	Interest Expense InterestExpense	431162000	USD
	us-gaap	Interest Expense InterestExpense	403067000	USD
CY2021Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	43768000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	29218000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	124588000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	83565000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	379137000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	456382000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1213929000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1214504000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	94091000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	108242000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	294461000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	275621000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	285046000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	348140000	USD
	us-gaap	Net Income Loss NetIncomeLoss	919468000	USD
	us-gaap	Net Income Loss NetIncomeLoss	938883000	USD
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1880000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1880000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5639000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5639000	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	283166000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	346260000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	913829000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	933244000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.82
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.66
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.77
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.82
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.76
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	344023846	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	343076614	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	343848905	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	337375172	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	344669782	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	343773602	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	344480056	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	338424100	shares
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	285046000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	348140000	USD
	us-gaap	Net Income Loss NetIncomeLoss	919468000	USD
	us-gaap	Net Income Loss NetIncomeLoss	938883000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	115000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	602000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	967000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1218000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-106000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-134000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-569000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	295000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2468000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1693000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-4148000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-3149000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2477000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2161000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4546000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4662000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1880000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1880000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5639000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5639000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	285643000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	348421000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	918375000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	937906000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	14063566000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	368023000	USD
CY2021Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.6025
CY2021Q1	us-gaap	Dividends Common Stock DividendsCommonStock	206913000	USD
CY2021Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-15727000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	25163000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1188000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	14233420000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	266400000	USD
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.6025
CY2021Q2	us-gaap	Dividends Common Stock DividendsCommonStock	206893000	USD
CY2021Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	6162000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	13799000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	881000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	14311889000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	285046000	USD
CY2021Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.6025
CY2021Q3	us-gaap	Dividends Common Stock DividendsCommonStock	207073000	USD
CY2021Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	6478000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	14674000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2477000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	14411611000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	12629994000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	336633000	USD
CY2020Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.5675
CY2020Q1	us-gaap	Dividends Common Stock DividendsCommonStock	187462000	USD
CY2020Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2020Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2020Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	432100000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-15295000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	27746000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	12314000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1948000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	13209956000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	254112000	USD
CY2020Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.5675
CY2020Q2	us-gaap	Dividends Common Stock DividendsCommonStock	190964000	USD
CY2020Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2020Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2020Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	517560000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	7694000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	16548000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	8321000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	553000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	13805258000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	348140000	USD
CY2020Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.5675
CY2020Q3	us-gaap	Dividends Common Stock DividendsCommonStock	194493000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	6921000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	13910000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2161000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	13980017000	USD
	us-gaap	Net Income Loss NetIncomeLoss	919468000	USD
	us-gaap	Net Income Loss NetIncomeLoss	938883000	USD
	us-gaap	Depreciation Depreciation	822197000	USD
	us-gaap	Depreciation Depreciation	721179000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	191346000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	156795000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	39690000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	31101000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	-10882000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	9153000	USD
	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	140000000	USD
	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	107985000	USD
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-87455000	USD
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	29287000	USD
	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-103583000	USD
	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	158860000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	130687000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	229878000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	69216000	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	158205000	USD
	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	193895000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-48312000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-21102000	USD
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-44003000	USD
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-89759000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-258509000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-121034000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	97167000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	81033000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1520273000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1496209000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2211136000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2101564000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	334619000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	386712000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	313961000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	391368000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	110536000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	245245000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	31677000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-17436000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-17647000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2418287000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2009714000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	929025000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	603611000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	555655000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	5639000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	5639000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-458325000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-1174870000	USD
	es	Repayments Of Rate Reduction Bonds RepaymentsOfRateReductionBonds	43210000	USD
	es	Repayments Of Rate Reduction Bonds RepaymentsOfRateReductionBonds	43210000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3150000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2360000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1142500000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	302236000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-45522000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	18030000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	851193000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1225445000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-46821000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	711940000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	264950000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	117063000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	218129000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	829003000	USD
	es	Numberof Electric Natural Gas And Water Customers NumberofElectricNaturalGasAndWaterCustomers	4300000	customer
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	425800000	USD
CY2021Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	12000000.0	USD
CY2021Q3	es	Accounts Receivable Allowance For Credit Loss Deferred Expense Reversal AccountsReceivableAllowanceForCreditLossDeferredExpenseReversal	24500000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	24400000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	3800000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	441700000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	358900000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	39700000	USD
	es	Accounts Receivable Allowance For Credit Loss Deferred Expense Reversal AccountsReceivableAllowanceForCreditLossDeferredExpenseReversal	98100000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	65800000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	10800000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	441700000	USD
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	270000000.0	USD
CY2020Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	10500000	USD
CY2020Q3	es	Accounts Receivable Allowance For Credit Loss Deferred Expense Reversal AccountsReceivableAllowanceForCreditLossDeferredExpenseReversal	30500000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	19100000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	3100000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	295000000.0	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	224800000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	31100000	USD
	es	Accounts Receivable Allowance For Credit Loss Deferred Expense Reversal AccountsReceivableAllowanceForCreditLossDeferredExpenseReversal	66400000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	61600000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	10500000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	295000000.0	USD
CY2021Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	43800000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	29200000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	124600000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	83600000	USD
CY2021Q3	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	49400000	USD
CY2020Q3	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	48400000	USD
	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	137900000	USD
	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	129100000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	359600000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	357400000	USD
CY2021Q3	us-gaap	Cash Cash	88200000	USD
CY2020Q4	us-gaap	Cash Cash	106600000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	218100000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	265000000.0	USD
CY2021Q3	us-gaap	Regulatory Assets RegulatoryAssets	6475200000	USD
CY2020Q4	us-gaap	Regulatory Assets RegulatoryAssets	6569900000	USD
CY2021Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	1016300000	USD
CY2020Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	1076600000	USD
CY2021Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	5458900000	USD
CY2020Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	5493300000	USD
CY2021Q3	us-gaap	Amount Of Regulatory Costs Not Yet Approved AmountOfRegulatoryCostsNotYetApproved	260600000	USD
CY2020Q4	us-gaap	Amount Of Regulatory Costs Not Yet Approved AmountOfRegulatoryCostsNotYetApproved	196900000	USD
CY2021Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	4520500000	USD
CY2020Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	4240200000	USD
CY2021Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	612900000	USD
CY2020Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	389400000	USD
CY2021Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3907600000	USD
CY2020Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3850800000	USD
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	17257300000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	16703200000	USD
CY2021Q3	es	Public Utilities Property Plant And Equipment Distribution Natural Gas PublicUtilitiesPropertyPlantAndEquipmentDistributionNaturalGas	6334900000	USD
CY2020Q4	es	Public Utilities Property Plant And Equipment Distribution Natural Gas PublicUtilitiesPropertyPlantAndEquipmentDistributionNaturalGas	6111200000	USD
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	12396200000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	11954000000	USD
CY2021Q3	es	Public Utilities Property Plant And Equipment Distribution Water PublicUtilitiesPropertyPlantAndEquipmentDistributionWater	1771100000	USD
CY2020Q4	es	Public Utilities Property Plant And Equipment Distribution Water PublicUtilitiesPropertyPlantAndEquipmentDistributionWater	1743100000	USD
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	200400000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	201500000	USD
CY2021Q3	es	Derivative Instruments Gain Loss Recognized In Regulatory Asset Liability DerivativeInstrumentsGainLossRecognizedInRegulatoryAssetLiability	700000	USD
CY2021Q3	es	Public Utilities Property Plant And Equipment Electric And Natural Gas Utility Total PublicUtilitiesPropertyPlantAndEquipmentElectricAndNaturalGasUtilityTotal	37959900000	USD
CY2020Q4	es	Public Utilities Property Plant And Equipment Electric And Natural Gas Utility Total PublicUtilitiesPropertyPlantAndEquipmentElectricAndNaturalGasUtilityTotal	36713000000	USD
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	1430500000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	1269000000	USD
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	39390400000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	37982000000	USD
CY2021Q3	es	Electric And Natural Gas Utility Accumulated Depreciation ElectricAndNaturalGasUtilityAccumulatedDepreciation	8830200000	USD
CY2020Q4	es	Electric And Natural Gas Utility Accumulated Depreciation ElectricAndNaturalGasUtilityAccumulatedDepreciation	8476300000	USD
CY2021Q3	es	Other Accumulated Depreciation OtherAccumulatedDepreciation	550000000.0	USD
CY2020Q4	es	Other Accumulated Depreciation OtherAccumulatedDepreciation	477600000	USD
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	9380200000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	8953900000	USD
CY2021Q3	es	Property Plant And Equipment Net Excluding Construction Work In Progress PropertyPlantAndEquipmentNetExcludingConstructionWorkInProgress	30010200000	USD
CY2020Q4	es	Property Plant And Equipment Net Excluding Construction Work In Progress PropertyPlantAndEquipmentNetExcludingConstructionWorkInProgress	29028100000	USD
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	2456900000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	1854400000	USD
CY2020Q4	es	Amountof Capacity Provided Under Capacity Contract AmountofCapacityProvidedUnderCapacityContract	675	MW
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	32467100000	USD
CY2020Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	30882500000	USD
	es	Percentageof Costsor Benefits Borne Under Capacity Related Contractsby United Illuminated Company PercentageofCostsorBenefitsBorneUnderCapacityRelatedContractsbyUnitedIlluminatedCompany	0.20
CY2021Q3	es	Amountof Capacity Provided Under Capacity Contract AmountofCapacityProvidedUnderCapacityContract	675	MW
CY2020	es	Amountof Natural Gas To Be Purchased Under Futures Contracts AmountofNaturalGasToBePurchasedUnderFuturesContracts	8900000	MMBTU
CY2020Q3	es	Derivative Instruments Gain Loss Recognized In Regulatory Asset Liability DerivativeInstrumentsGainLossRecognizedInRegulatoryAssetLiability	-2600000	USD
	es	Derivative Instruments Gain Loss Recognized In Regulatory Asset Liability DerivativeInstrumentsGainLossRecognizedInRegulatoryAssetLiability	-9500000	USD
	es	Derivative Instruments Gain Loss Recognized In Regulatory Asset Liability DerivativeInstrumentsGainLossRecognizedInRegulatoryAssetLiability	-20600000	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	39200000	USD
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	40900000	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-500000	USD
CY2020Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	1600000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	2500000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-1000000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	217500000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	8000000.0	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	200000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	225300000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	213100000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	11200000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	100000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	224200000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	30900000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	30900000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	65500000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	67100000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	41800000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	43900000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	79300000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	83400000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	217500000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	225300000	USD
CY2021Q3	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	479400000	USD
CY2020Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	470200000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Expected Future Employer Contributions Remainder Of Fiscal Year DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear	180000000	USD
CY2020Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	102400000	USD
	es	Environmental Site Quantity EnvironmentalSiteQuantity	62	site
CY2021Q3	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	111900000	USD
CY2020	es	Environmental Site Quantity EnvironmentalSiteQuantity	63	site
CY2021Q3	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	5700000	USD
	es	Loss Contingency Percentage Of Base Roe Reasonably Justified LossContingencyPercentageOfBaseROEReasonablyJustified	0.1041
	es	Loss Contingency Percentage Of Incentive Cap On Total Roe LossContingencyPercentageOfIncentiveCapOnTotalROE	0.1308
	es	Loss Contingency Percentage Of Base Roe Reasonably Justified LossContingencyPercentageOfBaseROEReasonablyJustified	0.1041
	es	Loss Contingency Percentage Of Incentive Cap On Total Roe LossContingencyPercentageOfIncentiveCapOnTotalROE	0.1308
CY2016Q3	es	Capacity Required For Installationof Distribution Cable CapacityRequiredForInstallationofDistributionCable	115	kV
CY2021Q2	es	Loss Contingency Allowed Rate Of Roe LossContingencyAllowedRateOfROE	0.0925
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-3000000.0	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-1300000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-7500000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-6000000.0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4500000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4700000	USD
CY2021Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2021Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	380000000	shares
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	380000000	shares
CY2021Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	357818402	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	357818402	shares
CY2021Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	14044078	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	14864379	shares
CY2021Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	343774324	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	342954023	shares
CY2021Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1900000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1900000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	5600000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	5600000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	155600000	USD
CY2021Q3	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	155600000	USD
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2021Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	52747	shares
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	283200000	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	283200000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	346300000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	346300000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	913800000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	913800000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	933200000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	933200000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	344023846	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	343076614	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	343848905	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	337375172	shares
CY2021Q3	es	Incremental Common Shares Attributable To Dilutive Effect Of Share Based Payment Arrangements And Other IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndOther	645936	shares
CY2020Q3	es	Incremental Common Shares Attributable To Dilutive Effect Of Share Based Payment Arrangements And Other IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndOther	696988	shares
	es	Incremental Common Shares Attributable To Dilutive Effect Of Share Based Payment Arrangements And Other IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndOther	631151	shares
	es	Incremental Common Shares Attributable To Dilutive Effect Of Share Based Payment Arrangements And Other IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndOther	686403	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Equity Forward Agreements IncrementalCommonSharesAttributableToEquityForwardAgreements	0	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Equity Forward Agreements IncrementalCommonSharesAttributableToEquityForwardAgreements	0	shares
	us-gaap	Incremental Common Shares Attributable To Equity Forward Agreements IncrementalCommonSharesAttributableToEquityForwardAgreements	0	shares
	us-gaap	Incremental Common Shares Attributable To Equity Forward Agreements IncrementalCommonSharesAttributableToEquityForwardAgreements	362525	shares
CY2021Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	645936	shares
CY2020Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	696988	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	631151	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1048928	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	344669782	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	343773602	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	344480056	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	338424100	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.82
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.66
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.77
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.82
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.76
CY2021Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2444600000	USD
CY2021Q3	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	-13500000	USD
CY2021Q3	us-gaap	Revenue Not From Contract With Customer Other RevenueNotFromContractWithCustomerOther	1700000	USD
CY2021Q3	us-gaap	Revenues Revenues	2432800000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	7355600000	USD
	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	21300000	USD
	us-gaap	Revenue Not From Contract With Customer Other RevenueNotFromContractWithCustomerOther	4300000	USD
	us-gaap	Revenues Revenues	7381200000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2352100000	USD
CY2020Q3	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	-9600000	USD
CY2020Q3	us-gaap	Revenue Not From Contract With Customer Other RevenueNotFromContractWithCustomerOther	1100000	USD
CY2020Q3	us-gaap	Revenues Revenues	2343600000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	6593800000	USD
	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	69800000	USD
	us-gaap	Revenue Not From Contract With Customer Other RevenueNotFromContractWithCustomerOther	6900000	USD
	us-gaap	Revenues Revenues	6670500000	USD
CY2021Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	1100000	USD
CY2020Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	1100000	USD
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	3800000	USD
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	3200000	USD
CY2021Q3	us-gaap	Revenues Revenues	2432800000	USD
CY2021Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	322100000	USD
CY2021Q3	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	1627400000	USD
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	483300000	USD
CY2021Q3	us-gaap	Interest Expense InterestExpense	148000000.0	USD
CY2021Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	43800000	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	283200000	USD
	us-gaap	Revenues Revenues	7381200000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	981100000	USD
	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	4879600000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1520500000	USD
	us-gaap	Interest Expense InterestExpense	431200000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	124600000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	913800000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2211100000	USD
CY2020Q3	us-gaap	Revenues Revenues	2343600000	USD
CY2020Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	302000000.0	USD
CY2020Q3	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	1480400000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	561200000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	134100000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	29200000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	346300000	USD
	us-gaap	Revenues Revenues	6670500000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	851900000	USD
	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	4284600000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1534000000	USD
	us-gaap	Interest Expense InterestExpense	403100000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	83600000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	933200000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2101600000	USD
CY2021Q3	us-gaap	Assets Assets	48014100000	USD
CY2020Q4	us-gaap	Assets Assets	46099600000	USD
	es	Numberof Electric Natural Gas And Water Customers NumberofElectricNaturalGasAndWaterCustomers	4300000	customer

Files In Submission

Name	View Source	Status
0000072741-21-000025-index-headers.html	Edgar Link	pending
0000072741-21-000025-index.html	Edgar Link	pending
0000072741-21-000025.txt	Edgar Link	pending
0000072741-21-000025-xbrl.zip	Edgar Link	pending
es-20210930.htm	Edgar Link	pending
es-20210930.xsd	Edgar Link	pending
es-20210930_cal.xml	Edgar Link	unprocessable
es-20210930_def.xml	Edgar Link	unprocessable
es-20210930_g1.jpg	Edgar Link	pending
es-20210930_htm.xml	Edgar Link	completed
es-20210930_lab.xml	Edgar Link	unprocessable
es-20210930_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
q3202110q-ex311xeversource.htm	Edgar Link	pending
q3202110q-ex31xeversource.htm	Edgar Link	pending
q3202110q-ex32xeversource.htm	Edgar Link	pending
q3202110q-exhibit311xclp.htm	Edgar Link	pending
q3202110q-exhibit311xnste.htm	Edgar Link	pending
q3202110q-exhibit311xpsnh.htm	Edgar Link	pending
q3202110q-exhibit31xclp.htm	Edgar Link	pending
q3202110q-exhibit31xnste.htm	Edgar Link	pending
q3202110q-exhibit31xpsnh.htm	Edgar Link	pending
q3202110q-exhibit32xclp.htm	Edgar Link	pending
q3202110q-exhibit32xnste.htm	Edgar Link	pending
q3202110q-exhibit32xpsnh.htm	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
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$ES
Eversource Energy Stock $es

2021 Q4 Form 10-Q Financial Statement

#000007274121000025 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ES Eversource Energy Stock $es

2021 Q4 Form 10-Q Financial Statement

#000007274121000025 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ES
Eversource Energy Stock $es