$ES
EVERSOURCE ENERGY Stock $es

$es Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000007274124000005 Filed on February 14, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$3.333B	$2.690B	$11.91B
YoY Change	-12.2%	-9.05%	-3.08%
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	$337.6M	$343.3M	$815.7M
YoY Change	42.51%	11.28%	-50.36%
% of Gross Profit
Operating Expenses	$2.487B	$2.136B	$9.511B
YoY Change	-18.37%	-14.83%	-5.75%
Operating Profit	$846.0M		$2.399B
YoY Change	12.86%		9.15%
Interest Expense	$250.7M	-$206.2M	$855.4M
YoY Change	28.89%	25.0%	26.11%
% of Operating Profit	29.63%		35.65%
Other Income/Expense, Net	$91.00M	$59.99M	$348.1M
YoY Change	2.25%	-13.23%	0.58%
Pretax Income	$686.3M	-$1.354B	-$275.0M
YoY Change	6.56%	-417.53%	-114.74%
Income Tax	$162.5M	-$67.06M	$159.7M
% Of Pretax Income	23.68%
Net Earnings	$523.7M	-$1.288B	-$434.7M
YoY Change	6.22%	-502.45%	-130.78%
Net Earnings / Revenue	15.72%	-47.9%	-3.65%
Basic Earnings Per Share	$1.49		-$1.27
Diluted Earnings Per Share	$1.49	-$3.68	-$1.26
COMMON SHARES
Basic Shares Outstanding	349.7M shares	349.3M shares	349.6M shares
Diluted Shares Outstanding	351.0M shares		349.8M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$259.2M	$53.87M	$53.87M
YoY Change	620.54%	-85.62%	-85.62%
Cash & Equivalents	$360.4M	$53.90M	$0.00
Short-Term Investments
Other Short-Term Assets	$387.9M	$355.8M	$2.255B
YoY Change	-17.18%	-7.02%	15.24%
Inventory	$555.2M	$507.3M	$507.3M
Prepaid Expenses
Receivables	$1.593B	$1.432B	$1.432B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$4.881B	$4.248B	$4.248B
YoY Change	18.0%	0.59%	0.59%
LONG-TERM ASSETS
Property, Plant & Equipment	$40.29B	$39.55B	$39.55B
YoY Change	9.65%	9.35%	9.35%
Goodwill	$4.532B	$4.532B
YoY Change	0.21%	0.21%
Intangibles
YoY Change
Long-Term Investments	$741.7M	$660.5M	$998.3M
YoY Change	-67.79%	-69.65%	-60.74%
Other Assets	$619.5M	$592.1M	$6.282B
YoY Change	10.5%	9.37%	8.82%
Total Long-Term Assets	$52.44B	$51.36B	$51.36B
YoY Change	4.95%	4.81%	4.81%
TOTAL ASSETS
Total Short-Term Assets	$4.881B	$4.248B	$4.248B
Total Long-Term Assets	$52.44B	$51.36B	$51.36B
Total Assets	$57.32B	$55.61B	$55.61B
YoY Change	5.95%	4.47%	4.47%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.664B	$1.869B	$1.869B
YoY Change	-8.69%	-11.58%	-11.58%
Accrued Expenses		$9.500M	$9.500M
YoY Change		5.56%	5.56%
Deferred Revenue
YoY Change
Short-Term Debt	$2.103B	$1.930B	$1.930B
YoY Change	75.9%	33.85%	33.85%
Long-Term Debt Due	$865.4M	$824.8M	$873.5M
YoY Change	-46.43%	-37.52%	-36.11%
Total Short-Term Liabilities	$6.368B	$6.341B	$6.341B
YoY Change	-0.58%	-6.73%	-6.73%
LONG-TERM LIABILITIES
Long-Term Debt	$24.93B	$23.59B	$24.02B
YoY Change	21.24%	19.59%	19.0%
Other Long-Term Liabilities	$983.9M	$961.2M	$5.613B
YoY Change	11.21%	8.24%	1.21%
Total Long-Term Liabilities	$25.91B	$24.55B	$29.64B
YoY Change	20.82%	19.1%	15.16%
TOTAL LIABILITIES
Total Short-Term Liabilities	$6.368B	$6.341B	$6.341B
Total Long-Term Liabilities	$25.91B	$24.55B	$29.64B
Total Liabilities	$32.28B	$30.89B	$41.28B
YoY Change	15.9%	12.7%	9.79%
SHAREHOLDERS EQUITY
Retained Earnings	$4.414B	$4.143B
YoY Change	-23.68%	-25.05%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$185.4M	$195.7M
YoY Change	-11.44%	-9.5%
Treasury Stock Shares
Shareholders Equity	$14.54B	$14.17B	$14.33B
YoY Change
Total Liabilities & Shareholders Equity	$57.32B	$55.61B	$55.61B
YoY Change	5.95%	4.47%	4.47%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$523.7M	-$1.288B	-$434.7M
YoY Change	6.22%	-502.45%	-130.78%
Depreciation, Depletion And Amortization	$337.6M	$343.3M	$815.7M
YoY Change	42.51%	11.28%	-50.36%
Cash From Operating Activities	$291.3M	$477.0M	$1.646B
YoY Change	321.23%	-33.05%	-31.45%
INVESTING ACTIVITIES
Capital Expenditures	$1.149B	$1.211B	$4.337B
YoY Change	17.64%	11.21%	26.0%
Acquisitions
YoY Change
Other Investing Activities	-$5.850M	$299.5M	$2.897M
YoY Change	3.72%	-364.5%	-114.19%
Cash From Investing Activities	-$1.447B	-$911.7M	-$4.871B
YoY Change	37.59%	-24.17%	17.92%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change			-100.0%
Debt Paid & Issued, Net	$0.00		$2.008B
YoY Change	-100.0%		70.93%
Cash From Financing Activities	$1.350B	420.2M	$2.869B
YoY Change	116.47%	2.63%	41.35%
NET CHANGE
Cash From Operating Activities	$291.3M	477.0M	$1.646B
Cash From Investing Activities	-$1.447B	-911.7M	-$4.871B
Cash From Financing Activities	$1.350B	420.2M	$2.869B
Net Change In Cash	$194.0M	-14.53M	-$355.3M
YoY Change	-154.04%	-81.95%	-218.15%
FREE CASH FLOW
Cash From Operating Activities	$291.3M	$477.0M	$1.646B
Capital Expenditures	$1.149B	$1.211B	$4.337B
Free Cash Flow	-$858.1M	-$734.3M	-$2.691B
YoY Change	-5.49%	94.92%	158.57%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.05
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2869237000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	521752000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	348069000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-275037000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1865968000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	453574000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	344223000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	1228046000	usd
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000072741
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2022Q4	us-gaap	Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2023Q4	us-gaap	Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2021Q4	us-gaap	Environmental Loss Contingency Statement Of Financial Position Extensible Enumeration EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssetsNoncurrent
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssetsNoncurrent
CY2022Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2023Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1431531000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#PublicUtilitiesPropertyPlantAndEquipmentNet
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#PublicUtilitiesPropertyPlantAndEquipmentNet
CY2023Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2022Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2021	us-gaap	Operating Lease Income Comprehensive Income Extensible List OperatingLeaseIncomeComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2023#NonoperatingIncomeExpense
CY2023	us-gaap	Operating Lease Income Comprehensive Income Extensible List OperatingLeaseIncomeComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2023#NonoperatingIncomeExpense
CY2022	us-gaap	Operating Lease Income Comprehensive Income Extensible List OperatingLeaseIncomeComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2023#NonoperatingIncomeExpense
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity Registrant Name EntityRegistrantName	EVERSOURCE ENERGY
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MA
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	300 Cadwell Drive
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Springfield
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	01104
CY2023	dei	City Area Code CityAreaCode	800
CY2023	dei	Local Phone Number LocalPhoneNumber	286-5000
CY2023	dei	Entity File Number EntityFileNumber	001-05324
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-2147929
CY2023	dei	Security12b Title Security12bTitle	Common Shares, $5.00 par value per share
CY2023	dei	Trading Symbol TradingSymbol	ES
CY2023	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	24734207777	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	349687183	shares
CY2023	dei	Auditor Firm AuditorFirmId	34
CY2023	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2023	dei	Auditor Location AuditorLocation	Hartford, Connecticut
CY2023Q4	us-gaap	Cash Cash	53873000	usd
CY2022Q4	us-gaap	Cash Cash	47597000	usd
CY2023Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	0	usd
CY2022Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	327006000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	554455000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	486297000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1517138000	usd
CY2023Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	225325000	usd
CY2022Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	238968000	usd
CY2023Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	507307000	usd
CY2022Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	374395000	usd
CY2023Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	1674196000	usd
CY2022Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	1335491000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	355762000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	382603000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	4247994000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	4223198000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	39498607000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	36112820000	usd
CY2023Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4714970000	usd
CY2022Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4242794000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	4532100000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	4522632000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	660473000	usd
CY2022Q4	us-gaap	Equity Method Investments EquityMethodInvestments	2176080000	usd
CY2023Q4	es	Pension And Other Postretirement Defined Benefit Plans Assets Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansAssetsNoncurrent	1028207000	usd
CY2022Q4	es	Pension And Other Postretirement Defined Benefit Plans Assets Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansAssetsNoncurrent	1045524000	usd
CY2023Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	337814000	usd
CY2022Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	366508000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	592080000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	541344000	usd
CY2023Q4	us-gaap	Assets Noncurrent Other Than Noncurrent Investments And Property Plant And Equipment AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment	11865644000	usd
CY2022Q4	us-gaap	Assets Noncurrent Other Than Noncurrent Investments And Property Plant And Equipment AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment	12894882000	usd
CY2023Q4	us-gaap	Assets Assets	55612245000	usd
CY2022Q4	us-gaap	Assets Assets	53230900000	usd
CY2023Q4	us-gaap	Notes Payable NotesPayable	1930422000	usd
CY2022Q4	us-gaap	Notes Payable NotesPayable	1442200000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	824847000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1320129000	usd
CY2023Q4	es	Rate Reduction Bonds Current RateReductionBondsCurrent	43210000	usd
CY2022Q4	es	Rate Reduction Bonds Current RateReductionBondsCurrent	43210000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1869187000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	2113905000	usd
CY2023Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	591750000	usd
CY2022Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	890786000	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1081981000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	989053000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	6341397000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	6799283000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	5303730000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	5067902000	usd
CY2023Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	4022923000	usd
CY2022Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3930305000	usd
CY2023Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	67999000	usd
CY2022Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	143929000	usd
CY2023Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	505844000	usd
CY2022Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	502713000	usd
CY2023Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	123754000	usd
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	135473000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	961239000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	888081000	usd
CY2023Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	10985489000	usd
CY2022Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	10668403000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	23588616000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	19723994000	usd
CY2023Q4	es	Rate Reduction Bonds RateReductionBonds	367282000	usd
CY2022Q4	es	Rate Reduction Bonds RateReductionBonds	410492000	usd
CY2023Q4	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	155569000	usd
CY2022Q4	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	155570000	usd
CY2023Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	1799920000	usd
CY2022Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	1799920000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	8460876000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	8401731000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	4142515000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	5527153000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-33737000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-39421000	usd
CY2023Q4	us-gaap	Treasury Stock Value TreasuryStockValue	195682000	usd
CY2022Q4	us-gaap	Treasury Stock Value TreasuryStockValue	216225000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	14173892000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	15473158000	usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	55612245000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	53230900000	usd
CY2023	us-gaap	Revenues Revenues	11910705000	usd
CY2022	us-gaap	Revenues Revenues	12289336000	usd
CY2021	us-gaap	Revenues Revenues	9863085000	usd
CY2023	es	Utilities Operating Expense Purchased Power Purchased Natural Gas Purchased Transmission And Fuel Used UtilitiesOperatingExpensePurchasedPowerPurchasedNaturalGasPurchasedTransmissionAndFuelUsed	5168241000	usd
CY2022	es	Utilities Operating Expense Purchased Power Purchased Natural Gas Purchased Transmission And Fuel Used UtilitiesOperatingExpensePurchasedPowerPurchasedNaturalGasPurchasedTransmissionAndFuelUsed	5014074000	usd
CY2021	es	Utilities Operating Expense Purchased Power Purchased Natural Gas Purchased Transmission And Fuel Used UtilitiesOperatingExpensePurchasedPowerPurchasedNaturalGasPurchasedTransmissionAndFuelUsed	3372344000	usd
CY2023	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	1895703000	usd
CY2022	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	1865328000	usd
CY2021	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	1739685000	usd
CY2023	us-gaap	Depreciation Depreciation	1305840000	usd
CY2022	us-gaap	Depreciation Depreciation	1194246000	usd
CY2021	us-gaap	Depreciation Depreciation	1103008000	usd
CY2023	us-gaap	Adjustment For Amortization AdjustmentForAmortization	-490117000	usd
CY2022	us-gaap	Adjustment For Amortization AdjustmentForAmortization	448892000	usd
CY2021	us-gaap	Adjustment For Amortization AdjustmentForAmortization	231965000	usd
CY2023	es	Energy Efficiency Programs EnergyEfficiencyPrograms	691344000	usd
CY2022	es	Energy Efficiency Programs EnergyEfficiencyPrograms	658051000	usd
CY2021	es	Energy Efficiency Programs EnergyEfficiencyPrograms	592775000	usd
CY2023	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	940359000	usd
CY2022	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	910591000	usd
CY2021	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	829987000	usd
CY2023	us-gaap	Operating Expenses OperatingExpenses	9511370000	usd
CY2022	us-gaap	Operating Expenses OperatingExpenses	10091182000	usd
CY2021	us-gaap	Operating Expenses OperatingExpenses	7869764000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	2399335000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	2198154000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	1993321000	usd
CY2023	us-gaap	Interest Expense InterestExpense	855441000	usd
CY2022	us-gaap	Interest Expense InterestExpense	678274000	usd
CY2021	us-gaap	Interest Expense InterestExpense	582334000	usd
CY2023	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	2167000000	usd
CY2022	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	usd
CY2021	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	346088000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	161282000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1572269000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.27
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.26
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	349580638	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	346783444	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	343972926	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	349840481	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	347246768	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	344631056	shares
CY2023	us-gaap	Profit Loss ProfitLoss	-434721000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1412394000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	1228046000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	20000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	20000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	972000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1252000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1636000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-671000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-4412000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-4470000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-33835000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5684000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2854000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	34136000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	7519000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	7519000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	7519000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-436556000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1407729000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1254663000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	14063566000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	1228046000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	2.41
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	828337000	usd
CY2021	us-gaap	Dividends Preferred Stock DividendsPreferredStock	7519000	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	3537000	usd
CY2021	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	68364000	usd
CY2021	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	38051000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	34136000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	14599844000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1412394000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	2.55
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	883113000	usd
CY2022	us-gaap	Dividends Preferred Stock DividendsPreferredStock	7519000	usd
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2022	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	199905000	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	8335000	usd
CY2022	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	71172000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	2847000	usd
CY2022	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	72133000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2854000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	15473158000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	-434721000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	2.70
CY2023	us-gaap	Dividends Common Stock DividendsCommonStock	942398000	usd
CY2023	us-gaap	Dividends Preferred Stock DividendsPreferredStock	7519000	usd
CY2023	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	1375000	usd
CY2023	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	78313000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5684000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	14173892000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	-434721000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1412394000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	1228046000	usd
CY2023	us-gaap	Depreciation Depreciation	1305840000	usd
CY2022	us-gaap	Depreciation Depreciation	1194246000	usd
CY2021	us-gaap	Depreciation Depreciation	1103008000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	85405000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	346779000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	347056000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	72468000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	61876000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	60886000	usd
CY2023	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	-90706000	usd
CY2022	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	-160857000	usd
CY2021	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	-14693000	usd
CY2023	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	6860000	usd
CY2022	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	83148000	usd
CY2021	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	182344000	usd
CY2023	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	151548000	usd
CY2022	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	205294000	usd
CY2021	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	314211000	usd
CY2023	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	usd
CY2022	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	72041000	usd
CY2021	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-81274000	usd
CY2023	es	Amortization Including Amortization Of Regulatory Asset Liability AmortizationIncludingAmortizationOfRegulatoryAssetLiability	490117000	usd
CY2022	es	Amortization Including Amortization Of Regulatory Asset Liability AmortizationIncludingAmortizationOfRegulatoryAssetLiability	-448892000	usd
CY2021	es	Amortization Including Amortization Of Regulatory Asset Liability AmortizationIncludingAmortizationOfRegulatoryAssetLiability	-231965000	usd
CY2023	es	Regulatory Assets Removal Costs Income RegulatoryAssetsRemovalCostsIncome	315699000	usd
CY2022	es	Regulatory Assets Removal Costs Income RegulatoryAssetsRemovalCostsIncome	303755000	usd
CY2021	es	Regulatory Assets Removal Costs Income RegulatoryAssetsRemovalCostsIncome	242130000	usd
CY2023	us-gaap	Increase Decrease In Property And Other Taxes Payable IncreaseDecreaseInPropertyAndOtherTaxesPayable	0	usd
CY2022	us-gaap	Increase Decrease In Property And Other Taxes Payable IncreaseDecreaseInPropertyAndOtherTaxesPayable	-78446000	usd
CY2021	us-gaap	Increase Decrease In Property And Other Taxes Payable IncreaseDecreaseInPropertyAndOtherTaxesPayable	0	usd
CY2023	us-gaap	Impairment Of Ongoing Project ImpairmentOfOngoingProject	2167000000	usd
CY2022	us-gaap	Impairment Of Ongoing Project ImpairmentOfOngoingProject	0	usd
CY2021	us-gaap	Impairment Of Ongoing Project ImpairmentOfOngoingProject	0	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	53026000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	39192000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	64640000	usd
CY2023	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	124393000	usd
CY2022	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	470593000	usd
CY2021	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	135505000	usd
CY2023	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-36357000	usd
CY2022	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-18358000	usd
CY2021	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	110621000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-287637000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	377657000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-29201000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	66202000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	45583000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-3710000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1646161000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2401293000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1962600000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4336849000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3441852000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3175080000	usd
CY2023	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	395604000	usd
CY2022	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	457612000	usd
CY2021	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	447893000	usd
CY2023	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	336779000	usd
CY2022	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	424174000	usd
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	414980000	usd
CY2023	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	1680473000	usd
CY2022	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	742496000	usd
CY2021	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	327385000	usd
CY2023	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1090662000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2023	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	2897000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-20420000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-22178000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4870732000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4130490000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3447374000	usd
CY2023	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	197058000	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	918995000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	860033000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	805439000	usd
CY2023	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	7519000	usd
CY2022	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	7519000	usd
CY2021	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	7519000	usd
CY2023	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	695552000	usd
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-78170000	usd
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	256125000	usd
CY2023	es	Proceeds Payments Of Issuance Of Rate Reduction Bonds ProceedsPaymentsOfIssuanceOfRateReductionBonds	-43210000	usd
CY2022	es	Proceeds Payments Of Issuance Of Rate Reduction Bonds ProceedsPaymentsOfIssuanceOfRateReductionBonds	-43210000	usd
CY2021	es	Proceeds Payments Of Issuance Of Rate Reduction Bonds ProceedsPaymentsOfIssuanceOfRateReductionBonds	-43210000	usd
CY2023	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	5198345000	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	4045000000	usd
CY2023	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2008470000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-46625000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2029941000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1440832000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-355334000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	300744000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-43942000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	221008000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	264950000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	166418000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	521752000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	221008000	usd
CY2023	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2023	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2022	es	Noncontrolling Interest Increase In Contributions From Parent NoncontrollingInterestIncreaseInContributionsFromParent	210000000	usd
CY2023	es	Numberof Electric Natural Gas And Water Customers NumberofElectricNaturalGasAndWaterCustomers	4400000	customer
CY2023Q4	es	Number Of Offshore Wind Projects NumberOfOffshoreWindProjects	3	project
CY2023Q4	es	Number Of Tax Equity Projects NumberOfTaxEquityProjects	1	project
CY2023Q4	us-gaap	Goodwill Goodwill	4530000000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	4520000000	usd
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	358900000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	60900000	usd
CY2021	es	Accounts Receivable Allowance For Credit Loss Deferred Expense Reversal AccountsReceivableAllowanceForCreditLossDeferredExpenseReversal	110600000	usd
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	129700000	usd
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	16700000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	417400000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	61900000	usd
CY2022	es	Accounts Receivable Allowance For Credit Loss Deferred Expense Reversal AccountsReceivableAllowanceForCreditLossDeferredExpenseReversal	112500000	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	124000000.0	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	18500000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	486300000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	72500000	usd
CY2023	es	Accounts Receivable Allowance For Credit Loss Deferred Expense Reversal AccountsReceivableAllowanceForCreditLossDeferredExpenseReversal	158200000	usd
CY2023	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	178100000	usd
CY2023	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	15600000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	554500000	usd
CY2023Q4	us-gaap	Inventory Gross InventoryGross	507300000	usd
CY2022Q4	us-gaap	Inventory Gross InventoryGross	374400000	usd
CY2023	es	Fuel Power Costs FuelPowerCosts	792200000	usd
CY2022	es	Fuel Power Costs FuelPowerCosts	1010200000	usd
CY2021	es	Fuel Power Costs FuelPowerCosts	718600000	usd
CY2023	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	44600000	usd
CY2022	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	21800000	usd
CY2021	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	18400000	usd
CY2023	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	78100000	usd
CY2022	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	47300000	usd
CY2021	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	37300000	usd
CY2023	es	Allowance For Funds Used During Construction AllowanceForFundsUsedDuringConstruction	122700000	usd
CY2022	es	Allowance For Funds Used During Construction AllowanceForFundsUsedDuringConstruction	69100000	usd
CY2021	es	Allowance For Funds Used During Construction AllowanceForFundsUsedDuringConstruction	55700000	usd
CY2023	us-gaap	Public Utilities Allowance For Funds Used During Construction Rate PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate	0.058
CY2022	us-gaap	Public Utilities Allowance For Funds Used During Construction Rate PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate	0.047
CY2021	us-gaap	Public Utilities Allowance For Funds Used During Construction Rate PublicUtilitiesAllowanceForFundsUsedDuringConstructionRate	0.042
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	348100000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	346100000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	161300000	usd
CY2023	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	202900000	usd
CY2022	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	194700000	usd
CY2021	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	181900000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	783200000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	636200000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	568700000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	39200000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	77900000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	121600000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	564100000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	586900000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	467900000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	13709300000	usd
CY2023Q4	es	Public Utilities Property Plant And Equipment Distribution Water PublicUtilitiesPropertyPlantAndEquipmentDistributionWater	2280100000	usd
CY2022Q4	es	Public Utilities Property Plant And Equipment Distribution Water PublicUtilitiesPropertyPlantAndEquipmentDistributionWater	2112600000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	53900000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	374600000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	166400000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	521800000	usd
CY2023	es	Payments For Charitable Contributions Related Parties PaymentsForCharitableContributionsRelatedParties	20000000	usd
CY2022	es	Payments For Charitable Contributions Related Parties PaymentsForCharitableContributionsRelatedParties	8000000	usd
CY2022Q4	us-gaap	Regulatory Assets RegulatoryAssets	5578300000	usd
CY2022Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	1335500000	usd
CY2022Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4242800000	usd
CY2023Q4	us-gaap	Amount Of Regulatory Costs Not Yet Approved AmountOfRegulatoryCostsNotYetApproved	241700000	usd
CY2022Q4	us-gaap	Amount Of Regulatory Costs Not Yet Approved AmountOfRegulatoryCostsNotYetApproved	210800000	usd
CY2023Q4	es	Deferred Regulatory Costs DeferredRegulatoryCosts	82100000	usd
CY2022Q4	es	Deferred Regulatory Costs DeferredRegulatoryCosts	64000000	usd
CY2023Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	4614700000	usd
CY2022Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	4821100000	usd
CY2023Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	591800000	usd
CY2022Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	890800000	usd
CY2023Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	4022900000	usd
CY2022Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3930300000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	19656500000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	18326200000	usd
CY2023Q4	es	Public Utilities Property Plant And Equipment Distribution Natural Gas PublicUtilitiesPropertyPlantAndEquipmentDistributionNaturalGas	8155300000	usd
CY2022Q4	es	Public Utilities Property Plant And Equipment Distribution Natural Gas PublicUtilitiesPropertyPlantAndEquipmentDistributionNaturalGas	7443800000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	14666800000	usd
CY2023Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4715000000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	201100000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	200800000	usd
CY2023Q4	es	Public Utilities Property Plant And Equipment Electric Natural Gasand Water Utility Total PublicUtilitiesPropertyPlantAndEquipmentElectricNaturalGasandWaterUtilityTotal	44959800000	usd
CY2022Q4	es	Public Utilities Property Plant And Equipment Electric Natural Gasand Water Utility Total PublicUtilitiesPropertyPlantAndEquipmentElectricNaturalGasandWaterUtilityTotal	41792700000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	2006800000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	1738100000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	46966600000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	43530800000	usd
CY2023Q4	es	Public Utilities Property Plantand Equipment Accumulated Depreciation Electric Natural Gasand Water Utility PublicUtilitiesPropertyPlantandEquipmentAccumulatedDepreciationElectricNaturalGasandWaterUtility	9670100000	usd
CY2022Q4	es	Public Utilities Property Plantand Equipment Accumulated Depreciation Electric Natural Gasand Water Utility PublicUtilitiesPropertyPlantandEquipmentAccumulatedDepreciationElectricNaturalGasandWaterUtility	9167400000	usd
CY2023Q4	es	Public Utilities Property Plantand Equipment Accumulated Depreciation Other PublicUtilitiesPropertyPlantandEquipmentAccumulatedDepreciationOther	869600000	usd
CY2022Q4	es	Public Utilities Property Plantand Equipment Accumulated Depreciation Other PublicUtilitiesPropertyPlantandEquipmentAccumulatedDepreciationOther	706100000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	10539700000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	9873500000	usd
CY2023Q4	es	Property Plant And Equipment Net Excluding Construction Work In Progress PropertyPlantAndEquipmentNetExcludingConstructionWorkInProgress	36426900000	usd
CY2022Q4	es	Property Plant And Equipment Net Excluding Construction Work In Progress PropertyPlantAndEquipmentNetExcludingConstructionWorkInProgress	33657300000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	3071700000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	2455500000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	39498600000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	36112800000	usd
CY2023	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.031
CY2022	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.030
CY2021	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.031
CY2023	es	Distribution Assets Average Useful Life DistributionAssetsAverageUsefulLife	P34Y
CY2023	es	Distribution Natural Gas Useful Life DistributionNaturalGasUsefulLife	P35Y8M12D
CY2023	es	Transmission Assets Average Useful Life TransmissionAssetsAverageUsefulLife	P40Y7M6D
CY2023	es	Water Assets Average Useful Life WaterAssetsAverageUsefulLife	P40Y
CY2023	es	Generation Assets Average Useful Life GenerationAssetsAverageUsefulLife	P22Y9M18D
CY2023	es	Other Assets Average Useful Life OtherAssetsAverageUsefulLife	P10Y4M24D
CY2023	es	Percentageof Costsor Benefits Borne Under Capacity Related Contractsby United Illuminated Company PercentageofCostsorBenefitsBorneUnderCapacityRelatedContractsbyUnitedIlluminatedCompany	0.20
CY2023Q4	es	Amountof Capacity Provided Under Capacity Contract AmountofCapacityProvidedUnderCapacityContract	682	mw
CY2022Q4	es	Amountof Capacity Provided Under Capacity Contract AmountofCapacityProvidedUnderCapacityContract	674	mw
CY2023	es	Derivative Instruments Gain Loss Recognized In Regulatory Asset Liability DerivativeInstrumentsGainLossRecognizedInRegulatoryAssetLiability	-3900000	usd
CY2022	es	Derivative Instruments Gain Loss Recognized In Regulatory Asset Liability DerivativeInstrumentsGainLossRecognizedInRegulatoryAssetLiability	10100000	usd
CY2021	es	Derivative Instruments Gain Loss Recognized In Regulatory Asset Liability DerivativeInstrumentsGainLossRecognizedInRegulatoryAssetLiability	-7100000	usd
CY2021Q4	us-gaap	Deferred Compensation Cashbased Arrangements Liability Classified Noncurrent DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent	42800000	usd
CY2023Q4	es	Deferred Compensation Cash Based Arrangements Expense Pertaining To Deferred Benefits DeferredCompensationCashBasedArrangementsExpensePertainingToDeferredBenefits	2600000	usd
CY2022Q4	es	Deferred Compensation Cash Based Arrangements Expense Pertaining To Deferred Benefits DeferredCompensationCashBasedArrangementsExpensePertainingToDeferredBenefits	10900000	usd
CY2021Q4	es	Deferred Compensation Cash Based Arrangements Expense Pertaining To Deferred Benefits DeferredCompensationCashBasedArrangementsExpensePertainingToDeferredBenefits	2200000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	3300000	usd
CY2022Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	20000000	usd
CY2023	us-gaap	Equity Securities Fv Ni Realized Gain EquitySecuritiesFvNiRealizedGain	1100000	usd
CY2022	us-gaap	Equity Securities Fv Ni Unrealized Loss EquitySecuritiesFvNiUnrealizedLoss	9700000	usd
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	4400000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	169500000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1400000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	6600000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	164300000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	201600000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	100000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	16200000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	185500000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	15900000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	15900000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	30900000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	30900000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	38100000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	37800000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	84600000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	79700000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	169500000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	164300000	usd
CY2023Q4	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrentAndNoncurrent	9200000	usd
CY2023Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	341200000	usd
CY2022Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	375600000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	660500000	usd
CY2022Q4	us-gaap	Equity Method Investments EquityMethodInvestments	2176100000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	15500000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	22900000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	14200000	usd
CY2023	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	20100000	usd
CY2022	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	26200000	usd
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	21600000	usd
CY2023Q3	es	Reduction Of Federal Tax Liability Or Generate Tax Refunds Period ReductionOfFederalTaxLiabilityOrGenerateTaxRefundsPeriod	P24M
CY2023Q3	es	Number Of Turbines NumberOfTurbines	12	turbine
CY2023Q2	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	401000000	usd
CY2023Q2	es	Equity Method Investment Other Than Temporary Impairment After Tax EquityMethodInvestmentOtherThanTemporaryImpairmentAfterTax	331000000	usd
CY2023Q4	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	1770000000	usd
CY2023Q4	es	Equity Method Investment Other Than Temporary Impairment After Tax EquityMethodInvestmentOtherThanTemporaryImpairmentAfterTax	1620000000	usd
CY2023	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	2170000000	usd
CY2023	es	Equity Method Investment Other Than Temporary Impairment After Tax EquityMethodInvestmentOtherThanTemporaryImpairmentAfterTax	1950000000	usd
CY2023Q4	es	Number Of Offshore Wind Projects NumberOfOffshoreWindProjects	3	project
CY2023Q2	es	Investment Tax Credit Percent Realized InvestmentTaxCreditPercentRealized	0.10
CY2023Q4	es	Number Of Offshore Wind Projects NumberOfOffshoreWindProjects	3	project
CY2023Q2	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	401000000	usd
CY2023Q4	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	1766000000	usd
CY2023	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	2167000000	usd
CY2023Q2	es	Equity Method Investment Other Than Temporary Impairment Tax EquityMethodInvestmentOtherThanTemporaryImpairmentTax	-70000000	usd
CY2023Q4	es	Equity Method Investment Other Than Temporary Impairment Tax EquityMethodInvestmentOtherThanTemporaryImpairmentTax	-144000000	usd
CY2023	es	Equity Method Investment Other Than Temporary Impairment Tax EquityMethodInvestmentOtherThanTemporaryImpairmentTax	-214000000	usd
CY2023Q2	es	Equity Method Investment Other Than Temporary Impairment After Tax EquityMethodInvestmentOtherThanTemporaryImpairmentAfterTax	331000000	usd
CY2023Q4	es	Equity Method Investment Other Than Temporary Impairment After Tax EquityMethodInvestmentOtherThanTemporaryImpairmentAfterTax	1622000000	usd
CY2023	es	Equity Method Investment Other Than Temporary Impairment After Tax EquityMethodInvestmentOtherThanTemporaryImpairmentAfterTax	1953000000	usd
CY2023	us-gaap	Proceeds From Sale Of Land Heldforinvestment ProceedsFromSaleOfLandHeldforinvestment	318000000	usd
CY2022	es	Numberof Companies That Transmit Hydro Electricity NumberofCompaniesThatTransmitHydroElectricity	2	company
CY2023	es	Numberof Companies That Transmit Hydro Electricity NumberofCompaniesThatTransmitHydroElectricity	2	company
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	75800000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	95800000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	21500000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	600000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	13600000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	502700000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	500100000	usd
CY2023	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	24900000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	22300000	usd
CY2023	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	29200000	usd
CY2022	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	28900000	usd
CY2023	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-1200000	usd
CY2022	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-4000000.0	usd
CY2023Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	505800000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	502700000	usd
CY2023Q4	es	Long Term Debt Current Maturities Classified As Noncurrent LongTermDebtCurrentMaturitiesClassifiedAsNoncurrent	990900000	usd
CY2022Q4	es	Long Term Debt Current Maturities Classified As Noncurrent LongTermDebtCurrentMaturitiesClassifiedAsNoncurrent	0	usd
CY2023Q4	es	Interest Included In Payment To Settle Spent Nuclear Fuel Obligation InterestIncludedInPaymentToSettleSpentNuclearFuelObligation	9500000	usd
CY2022Q4	es	Interest Included In Payment To Settle Spent Nuclear Fuel Obligation InterestIncludedInPaymentToSettleSpentNuclearFuelObligation	8800000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1950000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1400200000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	1390200000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	2539200000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1978500000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	15005700000	usd
CY2023Q4	es	Long Term Debt Maturities Repayments Of Principal Total LongTermDebtMaturitiesRepaymentsOfPrincipalTotal	24263800000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-21600000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	76400000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	109400000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-100000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-900000	usd
CY2023Q4	es	Defined Benefit Plan Prepaid Assets DefinedBenefitPlanPrepaidAssets	1028200000	usd
CY2022Q4	es	Defined Benefit Plan Prepaid Assets DefinedBenefitPlanPrepaidAssets	1045500000	usd
CY2023Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	19400000	usd
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	47300000	usd
CY2023Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	123800000	usd
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	135500000	usd
CY2023	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0794
CY2022	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.07
CY2023	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	67300000	usd
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CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P15Y
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CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.032
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CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.027
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CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2000000.0	usd
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CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	3400000	usd
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CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	2300000	usd
CY2023Q4	es	Lessee Operating Lease Lease Not Yet Commenced Liability LesseeOperatingLeaseLeaseNotYetCommencedLiability	11500000	usd
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CY2023Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	7800000	usd
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CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	7800000	usd
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CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	7900000	usd
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CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	72700000	usd
CY2023	us-gaap	Oci Before Reclassifications Before Tax Attributable To Parent OciBeforeReclassificationsBeforeTaxAttributableToParent	-8800000	usd
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CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	410000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	380000000	shares
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CY2022	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	197100000	usd
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CY2023Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	410000000	shares
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CY2022Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	155600000	usd
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CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
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CY2023	es	Incremental Common Shares Attributable To Dilutive Effect Of Share Based Payment Arrangements And Other IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndOther	259843	shares
CY2022	es	Incremental Common Shares Attributable To Dilutive Effect Of Share Based Payment Arrangements And Other IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndOther	463324	shares
CY2021	es	Incremental Common Shares Attributable To Dilutive Effect Of Share Based Payment Arrangements And Other IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndOther	658130	shares
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CY2021	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	4800000	usd
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CY2023	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	2167000000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	159700000	usd
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CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	295600000	usd
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Files In Submission

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2024 Q1 Form 10-K Financial Statement

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Income Statement

Balance Sheet

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