$ED
CONSOLIDATED EDISON INC Stock $ed

$ed Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000104786224000012 Filed on February 15, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$4.280B	$3.444B	$14.66B
YoY Change	-2.79%	-14.56%	-6.43%
Cost Of Revenue	$916.0M	$737.0M	$3.370B
YoY Change	-21.71%	-29.13%	-9.51%
Gross Profit	$3.364B	$2.707B	$11.29B
YoY Change	4.05%	-9.5%	-5.47%
Gross Profit Margin	78.6%	78.6%	77.02%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$539.0M	$525.0M	$2.031B
YoY Change	8.02%	13.39%	-1.22%
% of Gross Profit	16.02%	19.39%	17.98%
Operating Expenses	$3.239B	$2.255B	$12.33B
YoY Change	-7.96%	-7.62%	-5.47%
Operating Profit	$1.011B	$452.0M	$3.196B
YoY Change	-41.86%	-17.82%	21.8%
Interest Expense	$289.0M	-$191.0M	$1.023B
YoY Change	10.31%	-20.75%	20.07%
% of Operating Profit	28.59%	-42.26%	32.01%
Other Income/Expense, Net	$182.0M	$145.0M	$830.0M
YoY Change	-7.14%	353.13%	154.6%
Pretax Income	$904.0M	$405.0M	$3.003B
YoY Change	-45.97%	18.77%	43.14%
Income Tax	$184.0M	$71.00M	$487.0M
% Of Pretax Income	20.35%	17.53%	16.22%
Net Earnings	$720.0M	$334.0M	$2.519B
YoY Change	-49.76%	75.79%	51.75%
Net Earnings / Revenue	16.82%	9.7%	17.18%
Basic Earnings Per Share	$2.08		$7.25
Diluted Earnings Per Share	$2.08	$0.96	$7.21
COMMON SHARES
Basic Shares Outstanding	345.5M shares	345.2M shares	347.7M shares
Diluted Shares Outstanding	346.8M shares		349.3M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$169.0M	$1.189B	$1.189B
YoY Change	-78.08%	-7.25%	-7.25%
Cash & Equivalents	$169.0M	$1.189B	$1.189B
Short-Term Investments
Other Short-Term Assets	$102.0M	$124.0M	$1.813B
YoY Change	-25.55%	-29.55%	-79.08%
Inventory	$442.0M	$469.0M	$469.0M
Prepaid Expenses	$1.023B	$470.0M
Receivables	$2.618B	$2.418B	$2.418B
Other Receivables	$579.0M	$648.0M	$648.0M
Total Short-Term Assets	$6.166B	$6.537B	$6.537B
YoY Change	5.08%	-49.61%	-49.61%
LONG-TERM ASSETS
Property, Plant & Equipment	$49.85B	$49.61B	$50.14B
YoY Change	5.42%	6.08%	5.93%
Goodwill	$408.0M	$408.0M
YoY Change	0.25%	0.0%
Intangibles
YoY Change
Long-Term Investments	$1.041B	$999.0M	$376.0M
YoY Change	15.03%	18.79%	30.1%
Other Assets	$9.619B	$9.187B	$8.869B
YoY Change	10.04%	8.26%	10.01%
Total Long-Term Assets	$60.51B	$59.79B	$59.79B
YoY Change	6.28%	6.6%	6.6%
TOTAL ASSETS
Total Short-Term Assets	$6.166B	$6.537B	$6.537B
Total Long-Term Assets	$60.51B	$59.79B	$59.79B
Total Assets	$66.68B	$66.33B	$66.33B
YoY Change	6.17%	-3.96%	-3.96%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.439B	$1.775B	$1.775B
YoY Change	5.58%	-9.21%	-9.21%
Accrued Expenses	$541.0M	$411.0M	$411.0M
YoY Change	8.42%	10.48%	10.48%
Deferred Revenue
YoY Change
Short-Term Debt	$2.299B	$2.288B	$2.288B
YoY Change	459.37%	472.0%	-24.74%
Long-Term Debt Due	$250.0M	$251.0M	$251.0M
YoY Change	-61.54%	-74.95%	-61.33%
Total Short-Term Liabilities	$6.244B	$6.462B	$6.462B
YoY Change	27.56%	-43.0%	-43.0%
LONG-TERM LIABILITIES
Long-Term Debt	$21.93B	$21.99B	$21.93B
YoY Change	6.22%	-2.01%	8.83%
Other Long-Term Liabilities	$8.554B	$8.714B	$8.714B
YoY Change	-2.43%	-3.71%	-3.71%
Total Long-Term Liabilities	$21.93B	$21.99B	$30.64B
YoY Change	6.22%	-2.01%	4.94%
TOTAL LIABILITIES
Total Short-Term Liabilities	$6.244B	$6.462B	$6.462B
Total Long-Term Liabilities	$21.93B	$21.99B	$30.64B
Total Liabilities	$28.17B	$28.45B	$45.17B
YoY Change	10.31%	-15.76%	-6.62%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$21.62B	$21.16B	$21.16B
YoY Change
Total Liabilities & Shareholders Equity	$66.68B	$66.33B	$66.33B
YoY Change	6.17%	-3.96%	-3.96%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$720.0M	$334.0M	$2.519B
YoY Change	-49.76%	75.79%	51.75%
Depreciation, Depletion And Amortization	$539.0M	$525.0M	$2.031B
YoY Change	8.02%	13.39%	-1.22%
Cash From Operating Activities	$573.0M	$975.0M	$2.156B
YoY Change	522.83%	-25.97%	-45.21%
INVESTING ACTIVITIES
Capital Expenditures	$1.237B	$1.208B	$4.494B
YoY Change	1.81%	6.9%	0.65%
Acquisitions
YoY Change
Other Investing Activities	$0.00	-$147.0M	$49.00M
YoY Change	-100.0%	65.17%	-1325.0%
Cash From Investing Activities	-$1.344B	-$1.355B	-$1.003B
YoY Change	-151.34%	11.16%	-78.03%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$1.000B
YoY Change
Debt Paid & Issued, Net	$0.00		$710.0M
YoY Change	-100.0%		74.88%
Cash From Financing Activities	-$249.0M	1.029B	-$1.488B
YoY Change	-92.82%	-13.6%	-246.75%
NET CHANGE
Cash From Operating Activities	$573.0M	975.0M	$2.156B
Cash From Investing Activities	-$1.344B	-1.355B	-$1.003B
Cash From Financing Activities	-$249.0M	1.029B	-$1.488B
Net Change In Cash	-$1.020B	649.0M	-$335.0M
YoY Change	34.92%	-49.65%	-187.24%
FREE CASH FLOW
Cash From Operating Activities	$573.0M	$975.0M	$2.156B
Capital Expenditures	$1.237B	$1.208B	$4.494B
Free Cash Flow	-$664.0M	-$233.0M	-$2.338B
YoY Change	-40.87%	-224.6%	341.13%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001047862
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
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CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2023	dei	Auditor Firm AuditorFirmId	238
CY2023	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2023	dei	Auditor Location AuditorLocation	New York, New York
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CY2022	ed	Increase Decrease In Revenue Decoupling Mechanism Receivables IncreaseDecreaseInRevenueDecouplingMechanismReceivables	-26000000	usd
CY2021	ed	Increase Decrease In Revenue Decoupling Mechanism Receivables IncreaseDecreaseInRevenueDecouplingMechanismReceivables	53000000	usd
CY2023	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	-141000000	usd
CY2022	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	21000000	usd
CY2021	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	157000000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	200000000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-26000000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	24000000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-285000000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	558000000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	44000000	usd
CY2023	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	-201000000	usd
CY2022	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	176000000	usd
CY2021	us-gaap	Increase Decrease In Pension And Postretirement Obligations IncreaseDecreaseInPensionAndPostretirementObligations	266000000	usd
CY2023	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	33000000	usd
CY2022	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	39000000	usd
CY2023	us-gaap	Increase Decrease In Property And Other Taxes Payable IncreaseDecreaseInPropertyAndOtherTaxesPayable	-13000000	usd
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	18000000	usd
CY2022	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	870000000	usd
CY2021	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	496000000	usd
CY2023	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	196000000	usd
CY2022	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	445000000	usd
CY2021	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	258000000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	213000000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	1000000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-81000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2156000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3935000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2733000000	usd
CY2022	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	-22000000	usd
CY2021	us-gaap	Other Increase Decrease In Environmental Liabilities OtherIncreaseDecreaseInEnvironmentalLiabilities	-10000000	usd
CY2023	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	31000000	usd
CY2022	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	20000000	usd
CY2023	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	4353000000	usd
CY2022	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	3824000000	usd
CY2021	us-gaap	Payments For Construction In Process PaymentsForConstructionInProcess	3630000000	usd
CY2023	us-gaap	Payments For Proceeds From Removal Costs PaymentsForProceedsFromRemovalCosts	387000000	usd
CY2022	us-gaap	Payments For Proceeds From Removal Costs PaymentsForProceedsFromRemovalCosts	337000000	usd
CY2021	us-gaap	Payments For Proceeds From Removal Costs PaymentsForProceedsFromRemovalCosts	323000000	usd
CY2023	ed	Payments Non Utility Construction Expenditures PaymentsNonUtilityConstructionExpenditures	141000000	usd
CY2022	ed	Payments Non Utility Construction Expenditures PaymentsNonUtilityConstructionExpenditures	344000000	usd
CY2021	ed	Payments Non Utility Construction Expenditures PaymentsNonUtilityConstructionExpenditures	323000000	usd
CY2023	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	3927000000	usd
CY2022	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	usd
CY2021	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	629000000	usd
CY2023	us-gaap	Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates	0	usd
CY2022	us-gaap	Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates	0	usd
CY2021	us-gaap	Proceeds From Divestiture Of Interest In Subsidiaries And Affiliates ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates	183000000	usd
CY2023	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	49000000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	60000000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	20000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1003000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4565000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3484000000	usd
CY2023	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-752000000	usd
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	1702000000	usd
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-382000000	usd
CY2023	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2050000000	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	800000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2804000000	usd
CY2023	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	710000000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	406000000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1960000000	usd
CY2023	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	32000000	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	13000000	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	40000000	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1096000000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1089000000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1030000000	usd
CY2023	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	775000000	usd
CY2023	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	56000000	usd
CY2022	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	57000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	60000000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1000000000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2023	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	4000000	usd
CY2022	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	37000000	usd
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	23000000	usd
CY2023	us-gaap	Proceeds From Other Equity ProceedsFromOtherEquity	0	usd
CY2022	us-gaap	Proceeds From Other Equity ProceedsFromOtherEquity	0	usd
CY2021	us-gaap	Proceeds From Other Equity ProceedsFromOtherEquity	257000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1488000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1014000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	461000000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-335000000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	384000000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-290000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1530000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1146000000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1436000000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1195000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1530000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1146000000	usd
CY2023Q4	ed	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Held For Sale Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsHeldForSalePeriodIncreaseDecreaseIncludingExchangeRateEffect	5000000	usd
CY2022Q4	ed	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Held For Sale Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsHeldForSalePeriodIncreaseDecreaseIncludingExchangeRateEffect	248000000	usd
CY2021Q4	ed	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Held For Sale Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsHeldForSalePeriodIncreaseDecreaseIncludingExchangeRateEffect	0	usd
CY2023Q4	ed	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Excluding Cash Held For Sale CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsExcludingCashHeldForSale	1190000000	usd
CY2022Q4	ed	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Excluding Cash Held For Sale CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsExcludingCashHeldForSale	1282000000	usd
CY2021Q4	ed	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Excluding Cash Held For Sale CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsExcludingCashHeldForSale	1146000000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	987000000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	900000000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	924000000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	397000000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	47000000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	9000000	usd
CY2023	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	598000000	usd
CY2022	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	681000000	usd
CY2021	us-gaap	Construction In Progress Expenditures Incurred But Not Yet Paid ConstructionInProgressExpendituresIncurredButNotYetPaid	457000000	usd
CY2023Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	31000000	usd
CY2022Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	31000000	usd
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	49000000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1189000000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1282000000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	360000000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	322000000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2418000000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2192000000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Other Receivables Current AllowanceForDoubtfulOtherReceivablesCurrent	13000000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Other Receivables Current AllowanceForDoubtfulOtherReceivablesCurrent	10000000	usd
CY2023Q4	us-gaap	Other Receivables OtherReceivables	444000000	usd
CY2022Q4	us-gaap	Other Receivables OtherReceivables	164000000	usd
CY2023Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	1000000	usd
CY2022Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	10000000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	722000000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	702000000	usd
CY2023Q4	ed	Energy Related Inventory Fuel Oil Gas And Materials And Supplies Cost EnergyRelatedInventoryFuelOilGasAndMaterialsAndSuppliesCost	469000000	usd
CY2022Q4	ed	Energy Related Inventory Fuel Oil Gas And Materials And Supplies Cost EnergyRelatedInventoryFuelOilGasAndMaterialsAndSuppliesCost	492000000	usd
CY2023Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	470000000	usd
CY2022Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	264000000	usd
CY2023Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	281000000	usd
CY2022Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	305000000	usd
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	1000000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	0	usd
CY2023Q4	ed	Revenue Decoupling Mechanism Receivable RevenueDecouplingMechanismReceivable	203000000	usd
CY2022Q4	us-gaap	Notes Payable Current NotesPayableCurrent	2640000000	usd
CY2022Q4	ed	Revenue Decoupling Mechanism Receivable RevenueDecouplingMechanismReceivable	164000000	usd
CY2023Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	52000000	usd
CY2022Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	59000000	usd
CY2023Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	163000000	usd
CY2022Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	7162000000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	124000000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	176000000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	6537000000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	12972000000	usd
CY2023Q4	us-gaap	Long Term Investments LongTermInvestments	999000000	usd
CY2022Q4	us-gaap	Long Term Investments LongTermInvestments	841000000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Common PublicUtilitiesPropertyPlantAndEquipmentCommon	4835000000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Common PublicUtilitiesPropertyPlantAndEquipmentCommon	4205000000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	61309000000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	57337000000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	14157000000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	13069000000	usd
CY2023Q4	ed	Net Utility Plant NetUtilityPlant	47152000000	usd
CY2022Q4	ed	Net Utility Plant NetUtilityPlant	44268000000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	2442000000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	2484000000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	49594000000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	46752000000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	24000000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	23000000	usd
CY2023Q4	ed	Disposal Group Including Discontinued Operation Property Plantand Equipment Non Utility Plant Net Noncurrent DisposalGroupIncludingDiscontinuedOperationPropertyPlantandEquipmentNonUtilityPlantNetNoncurrent	13000000	usd
CY2022Q4	ed	Disposal Group Including Discontinued Operation Property Plantand Equipment Non Utility Plant Net Noncurrent DisposalGroupIncludingDiscontinuedOperationPropertyPlantandEquipmentNonUtilityPlantNetNoncurrent	13000000	usd
CY2023Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	1000000	usd
CY2022Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	1000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	49608000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	46766000000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	408000000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	408000000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	533000000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	568000000	usd
CY2023Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4607000000	usd
CY2022Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	3974000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	3275000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	3269000000	usd
CY2023Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	48000000	usd
CY2022Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	85000000	usd
CY2023Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	316000000	usd
CY2022Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	182000000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	9187000000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	8486000000	usd
CY2023Q4	us-gaap	Assets Assets	66331000000	usd
CY2022Q4	us-gaap	Assets Assets	69065000000	usd
CY2023Q4	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	250000000	usd
CY2022Q4	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	649000000	usd
CY2023Q4	us-gaap	Loans Payable To Bank Current LoansPayableToBankCurrent	0	usd
CY2022Q4	us-gaap	Loans Payable To Bank Current LoansPayableToBankCurrent	400000000	usd
CY2023Q4	us-gaap	Notes Payable Current NotesPayableCurrent	2288000000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1775000000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1955000000	usd
CY2023Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	396000000	usd
CY2022Q4	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	358000000	usd
CY2023Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	73000000	usd
CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	102000000	usd
CY2023Q4	us-gaap	Interest Payable Current InterestPayableCurrent	170000000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	153000000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	125000000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	116000000	usd
CY2023Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	193000000	usd
CY2022Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	42000000	usd
CY2023Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	145000000	usd
CY2022Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	374000000	usd
CY2023Q4	ed	System Benefits Charge Liability Current SystemBenefitsChargeLiabilityCurrent	444000000	usd
CY2022Q4	ed	System Benefits Charge Liability Current SystemBenefitsChargeLiabilityCurrent	390000000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	116000000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	103000000	usd
CY2023Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	76000000	usd
CY2022Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	3610000000	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	411000000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	444000000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	6462000000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	11336000000	usd
CY2023Q4	ed	Provision For Injuries And Damages ProvisionForInjuriesAndDamages	188000000	usd
CY2022Q4	ed	Provision For Injuries And Damages ProvisionForInjuriesAndDamages	181000000	usd
CY2023Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	592000000	usd
CY2022Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	577000000	usd
CY2023Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	1118000000	usd
CY2022Q4	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	997000000	usd
CY2023Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	522000000	usd
CY2022Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	500000000	usd
CY2023Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	121000000	usd
CY2022Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	13000000	usd
CY2023Q4	ed	Deferred Tax Liabilities And Accumulated Deferred Investment Tax Credit DeferredTaxLiabilitiesAndAccumulatedDeferredInvestmentTaxCredit	8069000000	usd
CY2022Q4	ed	Deferred Tax Liabilities And Accumulated Deferred Investment Tax Credit DeferredTaxLiabilitiesAndAccumulatedDeferredInvestmentTaxCredit	7641000000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	429000000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	476000000	usd
CY2023Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	5328000000	usd
CY2022Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	6027000000	usd
CY2023Q4	us-gaap	Deferred Credits And Other Liabilities Noncurrent DeferredCreditsAndOtherLiabilitiesNoncurrent	417000000	usd
CY2022Q4	us-gaap	Deferred Credits And Other Liabilities Noncurrent DeferredCreditsAndOtherLiabilitiesNoncurrent	281000000	usd
CY2023Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	16784000000	usd
CY2022Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	16693000000	usd
CY2023Q4	ed	Long Term Debt Excluding Held For Sale LongTermDebtExcludingHeldForSale	21927000000	usd
CY2022Q4	ed	Long Term Debt Excluding Held For Sale LongTermDebtExcludingHeldForSale	20147000000	usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	21158000000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	20687000000	usd
CY2023Q4	us-gaap	Minority Interest MinorityInterest	0	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	202000000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21158000000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	20889000000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	66331000000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	69065000000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	1193000000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	3.10
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	1079000000	usd
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	766000000	usd
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	127000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	30000000	usd
CY2021	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	23000000	usd
CY2021	us-gaap	Noncontrolling Interest Increase From Sale Of Parent Equity Interest NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	257000000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	20336000000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	1600000000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	3.16
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	1120000000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	93000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	17000000	usd
CY2022	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	37000000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	20889000000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	2516000000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	3.24
CY2023	us-gaap	Dividends Common Stock DividendsCommonStock	1127000000	usd
CY2023	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	89000000	usd
CY2023	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1010000000	usd
CY2023	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	4000000	usd
CY2023	ed	Noncontrolling Interest Decrease From Disposal Of Noncontrolling Interests NoncontrollingInterestDecreaseFromDisposalOfNoncontrollingInterests	195000000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21158000000	usd
CY2023Q4	ed	Common Stock Equity Shares CommonStockEquityShares	345000000	shares
CY2022Q4	ed	Common Stock Equity Shares CommonStockEquityShares	355000000	shares
CY2023Q4	ed	Common Stock Equity Before Accumulated Comprehensive Income Loss CommonStockEquityBeforeAccumulatedComprehensiveIncomeLoss	21136000000	usd
CY2022Q4	ed	Common Stock Equity Before Accumulated Comprehensive Income Loss CommonStockEquityBeforeAccumulatedComprehensiveIncomeLoss	20665000000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-23000000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-23000000	usd
CY2023Q4	ed	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax And Reclassification Adjustment AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTaxAndReclassificationAdjustment	-1000000	usd
CY2022Q4	ed	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax And Reclassification Adjustment AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTaxAndReclassificationAdjustment	-1000000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	22000000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	22000000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	21158000000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	20687000000	usd
CY2023Q4	us-gaap	Minority Interest MinorityInterest	0	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	202000000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21158000000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	20889000000	usd
CY2023Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	0	usd
CY2022Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	1000000	usd
CY2023Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	162000000	usd
CY2022Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	172000000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	60000000	usd
CY2022Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	51000000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	22240000000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	23441000000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	251000000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1002000000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	21989000000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	22439000000	usd
CY2023Q4	ed	Long Term Debt Held For Sale LongTermDebtHeldForSale	62000000	usd
CY2022Q4	ed	Long Term Debt Held For Sale LongTermDebtHeldForSale	2292000000	usd
CY2023Q4	ed	Long Term Debt Excluding Held For Sale LongTermDebtExcludingHeldForSale	21927000000	usd
CY2022Q4	ed	Long Term Debt Excluding Held For Sale LongTermDebtExcludingHeldForSale	20147000000	usd
CY2023Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	43085000000	usd
CY2022Q4	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	40834000000	usd
CY2023	ed	Numberof Registrants NumberofRegistrants	2	registrant
CY2023	ed	Numberof Regulated Subsidiaries NumberofRegulatedSubsidiaries	2	subsidiary
CY2023	us-gaap	Excise Taxes Collected ExciseTaxesCollected	409000000	usd
CY2022	us-gaap	Excise Taxes Collected ExciseTaxesCollected	400000000	usd
CY2021	us-gaap	Excise Taxes Collected ExciseTaxesCollected	358000000	usd
CY2023Q4	us-gaap	Plant Held For Future Use Amount PlantHeldForFutureUseAmount	118000000	usd
CY2022Q4	us-gaap	Plant Held For Future Use Amount PlantHeldForFutureUseAmount	117000000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	2442000000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	2484000000	usd
CY2023Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	49594000000	usd
CY2022Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	46752000000	usd
CY2023Q4	ed	Public Utilities Depreciation Allowance Current Rate Plans PublicUtilitiesDepreciationAllowanceCurrentRatePlans	2030000000	usd
CY2023Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	50000000	usd
CY2022Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	24000000	usd
CY2023Q4	ed	Other Deferred Charges And Noncurrent Assets OtherDeferredChargesAndNoncurrentAssets	179000000	usd
CY2022Q4	ed	Other Deferred Charges And Noncurrent Assets OtherDeferredChargesAndNoncurrentAssets	105000000	usd
CY2023	ed	Depreciation Expense Other Deferred Charges And Noncurrent Assets And Prepayments DepreciationExpenseOtherDeferredChargesAndNoncurrentAssetsAndPrepayments	21000000	usd
CY2022	ed	Depreciation Expense Other Deferred Charges And Noncurrent Assets And Prepayments DepreciationExpenseOtherDeferredChargesAndNoncurrentAssetsAndPrepayments	15000000	usd
CY2021	ed	Depreciation Expense Other Deferred Charges And Noncurrent Assets And Prepayments DepreciationExpenseOtherDeferredChargesAndNoncurrentAssetsAndPrepayments	12000000	usd
CY2023Q4	ed	Accumulated Depreciation Other Deferred Charges And Noncurrent Assets And Prepayments AccumulatedDepreciationOtherDeferredChargesAndNoncurrentAssetsAndPrepayments	58000000	usd
CY2022Q4	ed	Accumulated Depreciation Other Deferred Charges And Noncurrent Assets And Prepayments AccumulatedDepreciationOtherDeferredChargesAndNoncurrentAssetsAndPrepayments	37000000	usd
CY2022Q4	us-gaap	Long Term Investments LongTermInvestments	841000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1219000000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	71000000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	95000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	0	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	0	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	0	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	0	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	0	usd
CY2023	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	usd
CY2021	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	usd
CY2022	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	usd
CY2023Q4	ed	Supplemental Retirement Income Plan Assets SupplementalRetirementIncomePlanAssets	524000000	usd
CY2022Q4	ed	Supplemental Retirement Income Plan Assets SupplementalRetirementIncomePlanAssets	459000000	usd
CY2023Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	99000000	usd
CY2022Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	93000000	usd
CY2023Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	3000000	usd
CY2022Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	2000000	usd
CY2023Q4	us-gaap	Long Term Investments LongTermInvestments	999000000	usd
CY2023	ed	Pension Investment Gains And Losses Recognized Time Period PensionInvestmentGainsAndLossesRecognizedTimePeriod	P15Y
CY2023	ed	Pension Actuarial Gains And Losses Recognized Time Period PensionActuarialGainsAndLossesRecognizedTimePeriod	P10Y
CY2023	ed	Difference Between Fair Value And Expected Market Related Value Of Plan Assets DifferenceBetweenFairValueAndExpectedMarketRelatedValueOfPlanAssets	0.20
CY2023	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div><span style="color:#424242;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Reclassification </span></div><div><span style="color:#424242;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:115%">Certain prior period amounts have been reclassified to conform with current period presentation.</span></div>
CY2023	us-gaap	Net Income Loss NetIncomeLoss	2519000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	1660000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	1346000000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	347700000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	354500000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	348400000	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	1600000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	1300000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	1000000.0	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	349300000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	355800000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	349400000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.25
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.68
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.86
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.21
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.66
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.85
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#424242;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Estimates</span></div><div><span style="color:#424242;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</span></div>
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1189000000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1282000000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	6000000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	223000000	usd
CY2023Q4	ed	Cash Cash Equivalents Restricted Cash Excluding Held For Sale CashCashEquivalentsRestrictedCashExcludingHeldForSale	1195000000	usd
CY2022Q4	ed	Cash Cash Equivalents Restricted Cash Excluding Held For Sale CashCashEquivalentsRestrictedCashExcludingHeldForSale	1505000000	usd
CY2023Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4607000000	usd
CY2022Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	3974000000	usd
CY2023Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	281000000	usd
CY2022Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	305000000	usd
CY2023Q4	us-gaap	Regulatory Assets RegulatoryAssets	4888000000	usd
CY2022Q4	us-gaap	Regulatory Assets RegulatoryAssets	4279000000	usd
CY2023Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	5328000000	usd
CY2022Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	6027000000	usd
CY2023Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	145000000	usd
CY2022Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	374000000	usd
CY2023Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	5473000000	usd
CY2022Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	6401000000	usd
CY2023	ed	Other Customer Provided Capital Rate OtherCustomerProvidedCapitalRate	0.052
CY2022	ed	Other Customer Provided Capital Rate OtherCustomerProvidedCapitalRate	0.0175
CY2023	ed	Return On Regulatory Assets ReturnOnRegulatoryAssets	2541000000	usd
CY2022	ed	Return On Regulatory Assets ReturnOnRegulatoryAssets	2304000000	usd
CY2023Q4	ed	Regulatory Assets Not Earning Return RegulatoryAssetsNotEarningReturn	2347000000	usd
CY2022Q4	ed	Regulatory Assets Not Earning Return RegulatoryAssetsNotEarningReturn	1975000000	usd
CY2023	ed	Regulatory Assets Deferred Derivative Losses Current Recovery Period RegulatoryAssetsDeferredDerivativeLossesCurrentRecoveryPeriod	P1Y
CY2023	ed	Regulatory Assets Deferred Derivative Losses Noncurrent Recovery Period RegulatoryAssetsDeferredDerivativeLossesNoncurrentRecoveryPeriod	P3Y
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	345415772	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	354962058	shares
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	33753963	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	23210700	shares
CY2023	ed	Number Of Dealers NumberOfDealers	2	dealer
CY2023Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	1000000	usd
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.10
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1000000000	usd
CY2023	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	10543263	shares
CY2023	ed	Percentage Limitation For Income Available For Dividends PercentageLimitationForIncomeAvailableForDividends	1
CY2023	ed	Rolling Average Calculation Of Income Available For Dividends RollingAverageCalculationOfIncomeAvailableForDividends	P2Y
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	250000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	250000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	430000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	800000000	usd
CY2023Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	222000000	usd
CY2022Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	202000000	usd
CY2023Q4	us-gaap	Commercial Paper CommercialPaper	2288000000	usd
CY2023	ed	Weighted Average Interest Rate Of Commercial Paper WeightedAverageInterestRateOfCommercialPaper	0.056
CY2022Q4	us-gaap	Commercial Paper CommercialPaper	2640000000	usd
CY2022	ed	Weighted Average Interest Rate Of Commercial Paper WeightedAverageInterestRateOfCommercialPaper	0.048
CY2022Q4	us-gaap	Loans Payable Current LoansPayableCurrent	0	usd
CY2023Q4	us-gaap	Loans Payable Current LoansPayableCurrent	0	usd
CY2023Q4	us-gaap	Ratio Of Indebtedness To Net Capital1 RatioOfIndebtednessToNetCapital1	0.54
CY2023Q4	ed	Debt Instrument Covenant Compliance Maximum Aggregate Limit Of Failure To Pay Debt Or Derivative Obligations DebtInstrumentCovenantComplianceMaximumAggregateLimitOfFailureToPayDebtOrDerivativeObligations	150000000	usd
CY2022Q4	ed	Debt Instrument Covenant Compliance Maximum Aggregate Limit Of Failure To Pay Debt Or Derivative Obligations DebtInstrumentCovenantComplianceMaximumAggregateLimitOfFailureToPayDebtOrDerivativeObligations	150000000	usd
CY2023Q4	us-gaap	Defined Benefit Pension Plan Current And Noncurrent Liabilities DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities	174000000	usd
CY2022Q4	us-gaap	Defined Benefit Pension Plan Current And Noncurrent Liabilities DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities	1719000000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	524000000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	459000000	usd
CY2023Q4	ed	Defined Benefit Plan Funded Unfunded Status Of Plan Related To Private Equity DefinedBenefitPlanFundedUnfundedStatusOfPlanRelatedToPrivateEquity	-193000000	usd
CY2023	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	13000000	usd
CY2022	us-gaap	Environmental Remediation Expense EnvironmentalRemediationExpense	21000000	usd
CY2023Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	175000000	usd
CY2022Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	2412000000	usd
CY2023Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	175000000	usd
CY2023Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths		usd
CY2023Q4	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear		usd
CY2023Q4	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear		usd
CY2023Q4	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear		usd
CY2023Q4	us-gaap	Contractual Obligation Due In Fifth Year ContractualObligationDueInFifthYear		usd
CY2023Q4	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear		usd
CY2023	ed	Longterm Contractfor Purchaseof Capacityand Energy Amountof Fixed Payments LongtermContractforPurchaseofCapacityandEnergyAmountofFixedPayments	546000000	usd
CY2022	ed	Longterm Contractfor Purchaseof Capacityand Energy Amountof Fixed Payments LongtermContractforPurchaseofCapacityandEnergyAmountofFixedPayments	596000000	usd
CY2021	ed	Longterm Contractfor Purchaseof Capacityand Energy Amountof Fixed Payments LongtermContractforPurchaseofCapacityandEnergyAmountofFixedPayments	552000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	70000000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	88000000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	86000000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	68000000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	83000000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	80000000	usd
CY2021Q4	us-gaap	Direct Financing Lease Residual Value Of Leased Asset DirectFinancingLeaseResidualValueOfLeasedAsset	2000000	usd
CY2023Q4	us-gaap	Direct Financing Lease Residual Value Of Leased Asset DirectFinancingLeaseResidualValueOfLeasedAsset	2000000	usd
CY2022Q4	us-gaap	Direct Financing Lease Residual Value Of Leased Asset DirectFinancingLeaseResidualValueOfLeasedAsset	2000000	usd
CY2023Q4	ed	Direct Financing Lease Accumulated Amortization DirectFinancingLeaseAccumulatedAmortization	2000000	usd
CY2022Q4	ed	Direct Financing Lease Accumulated Amortization DirectFinancingLeaseAccumulatedAmortization	5000000	usd
CY2021Q4	ed	Direct Financing Lease Accumulated Amortization DirectFinancingLeaseAccumulatedAmortization	4000000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	11000000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	79000000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P11Y4M24D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y3M18D
CY2023Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P6Y7M6D
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P7Y2M12D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.037
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.037
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.030
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.019
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	67000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Next Rolling Twelve Months FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths	1000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	66000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Two FinanceLeaseLiabilityPaymentsDueInRollingYearTwo	0	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	66000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Three FinanceLeaseLiabilityPaymentsDueInRollingYearThree	0	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Four LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour	65000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Four FinanceLeaseLiabilityPaymentsDueInRollingYearFour	0	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive	60000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Five FinanceLeaseLiabilityPaymentsDueInRollingYearFive	0	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive	365000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Rolling After Year Five FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive	1000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	689000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	2000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	144000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	0	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	545000000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	2000000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	116000000	usd
CY2023Q4	ed	Operating Lease Liability Current Held For Sale OperatingLeaseLiabilityCurrentHeldForSale	2000000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	429000000	usd
CY2023Q4	ed	Operating Lease Liability Non Current Held For Sale OperatingLeaseLiabilityNonCurrentHeldForSale	5000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	1000000	usd
CY2023Q4	ed	Operating Lease Liability Including Held For Sale OperatingLeaseLiabilityIncludingHeldForSale	552000000	usd
CY2023Q4	ed	Finance Lease Liability Including Held For Sale Amounts FinanceLeaseLiabilityIncludingHeldForSaleAmounts	2000000	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	7000000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	179000000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5000000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	14000000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	6000000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	324000000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	79000000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	176000000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	58000000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	43000000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	237000000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	117000000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	61000000	usd
CY2023	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-111000000	usd
CY2022	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-6000000	usd
CY2021	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	-7000000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	487000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	498000000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	190000000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2023	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.05
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.06
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.04
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.01
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.03
CY2023	ed	Effective Income Tax Rate Reconciliation Cost Of Removal Percent EffectiveIncomeTaxRateReconciliationCostOfRemovalPercent	0.01
CY2022	ed	Effective Income Tax Rate Reconciliation Cost Of Removal Percent EffectiveIncomeTaxRateReconciliationCostOfRemovalPercent	0.01
CY2021	ed	Effective Income Tax Rate Reconciliation Cost Of Removal Percent EffectiveIncomeTaxRateReconciliationCostOfRemovalPercent	0.02
CY2023	ed	Effective Income Tax Rate Reconciliation Other Plant Related Items Percent EffectiveIncomeTaxRateReconciliationOtherPlantRelatedItemsPercent	0
CY2022	ed	Effective Income Tax Rate Reconciliation Other Plant Related Items Percent EffectiveIncomeTaxRateReconciliationOtherPlantRelatedItemsPercent	0
CY2021	ed	Effective Income Tax Rate Reconciliation Other Plant Related Items Percent EffectiveIncomeTaxRateReconciliationOtherPlantRelatedItemsPercent	-0.01
CY2023	ed	Effective Income Tax Rate Reconciliation Deductible Expense Amortization Of Excess Deferred Income Taxes Percent EffectiveIncomeTaxRateReconciliationDeductibleExpenseAmortizationOfExcessDeferredIncomeTaxesPercent	0.06
CY2022	ed	Effective Income Tax Rate Reconciliation Deductible Expense Amortization Of Excess Deferred Income Taxes Percent EffectiveIncomeTaxRateReconciliationDeductibleExpenseAmortizationOfExcessDeferredIncomeTaxesPercent	0.09
CY2021	ed	Effective Income Tax Rate Reconciliation Deductible Expense Amortization Of Excess Deferred Income Taxes Percent EffectiveIncomeTaxRateReconciliationDeductibleExpenseAmortizationOfExcessDeferredIncomeTaxesPercent	0.12
CY2023	ed	Effective Income Tax Rate Reconciliation Tax Credit Renewable Energy Credits Percent EffectiveIncomeTaxRateReconciliationTaxCreditRenewableEnergyCreditsPercent	0
CY2022	ed	Effective Income Tax Rate Reconciliation Tax Credit Renewable Energy Credits Percent EffectiveIncomeTaxRateReconciliationTaxCreditRenewableEnergyCreditsPercent	0.02
CY2021	ed	Effective Income Tax Rate Reconciliation Tax Credit Renewable Energy Credits Percent EffectiveIncomeTaxRateReconciliationTaxCreditRenewableEnergyCreditsPercent	0.02
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.01
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2023	ed	Effective Income Tax Rate Reconciliation Changes In State Apportionments Percent EffectiveIncomeTaxRateReconciliationChangesInStateApportionmentsPercent	-0.01
CY2022	ed	Effective Income Tax Rate Reconciliation Changes In State Apportionments Percent EffectiveIncomeTaxRateReconciliationChangesInStateApportionmentsPercent	0.06
CY2021	ed	Effective Income Tax Rate Reconciliation Changes In State Apportionments Percent EffectiveIncomeTaxRateReconciliationChangesInStateApportionmentsPercent	0
CY2023	ed	Effective Income Tax Rate Reconciliation State Taxes On Sale Of Subsidiary Percent EffectiveIncomeTaxRateReconciliationStateTaxesOnSaleOfSubsidiaryPercent	-0.04
CY2022	ed	Effective Income Tax Rate Reconciliation State Taxes On Sale Of Subsidiary Percent EffectiveIncomeTaxRateReconciliationStateTaxesOnSaleOfSubsidiaryPercent	0
CY2021	ed	Effective Income Tax Rate Reconciliation State Taxes On Sale Of Subsidiary Percent EffectiveIncomeTaxRateReconciliationStateTaxesOnSaleOfSubsidiaryPercent	0
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.16
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.24
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.14
CY2023	ed	Effective Income Tax Rate Reconciliation Increase Decrease Percent EffectiveIncomeTaxRateReconciliationIncreaseDecreasePercent	-0.08
CY2023Q1	us-gaap	Gain Or Loss On Sale Of Stock In Subsidiary GainOrLossOnSaleOfStockInSubsidiary	865000000	usd
CY2023Q1	ed	Gain Loss On Disposition Of Stock In Subsidiary After Tax GainLossOnDispositionOfStockInSubsidiaryAfterTax	767000000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	8542000000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	8770000000	usd
CY2023Q4	ed	Deferred Tax Liabilities System Peak Reduction And Energy Efficiency Programs DeferredTaxLiabilitiesSystemPeakReductionAndEnergyEfficiencyPrograms	297000000	usd
CY2022Q4	ed	Deferred Tax Liabilities System Peak Reduction And Energy Efficiency Programs DeferredTaxLiabilitiesSystemPeakReductionAndEnergyEfficiencyPrograms	220000000	usd
CY2023Q4	ed	Deferred Tax Liabilities Environmental Redemption Costs DeferredTaxLiabilitiesEnvironmentalRedemptionCosts	310000000	usd
CY2022Q4	ed	Deferred Tax Liabilities Environmental Redemption Costs DeferredTaxLiabilitiesEnvironmentalRedemptionCosts	278000000	usd
CY2023Q4	ed	Deferred Tax Liabilities Other Regulatory Assets DeferredTaxLiabilitiesOtherRegulatoryAssets	632000000	usd
CY2022Q4	ed	Deferred Tax Liabilities Other Regulatory Assets DeferredTaxLiabilitiesOtherRegulatoryAssets	561000000	usd
CY2023Q4	ed	Deferred Tax Liabilities Pension And Other Postretirement Costs DeferredTaxLiabilitiesPensionAndOtherPostretirementCosts	0	usd
CY2022Q4	ed	Deferred Tax Liabilities Pension And Other Postretirement Costs DeferredTaxLiabilitiesPensionAndOtherPostretirementCosts	22000000	usd
CY2023Q4	ed	Deferred Tax Liabilities Pension And Retiree Benefits Asset DeferredTaxLiabilitiesPensionAndRetireeBenefitsAsset	918000000	usd
CY2022Q4	ed	Deferred Tax Liabilities Pension And Retiree Benefits Asset DeferredTaxLiabilitiesPensionAndRetireeBenefitsAsset	917000000	usd
CY2023Q4	ed	Deferred Tax Liabilities Operating Lease Right Of Use Asset DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset	154000000	usd
CY2022Q4	ed	Deferred Tax Liabilities Operating Lease Right Of Use Asset DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset	230000000	usd
CY2023Q4	ed	Deferred Tax Liabilities Equity Method Investments DeferredTaxLiabilitiesEquityMethodInvestments	0	usd
CY2022Q4	ed	Deferred Tax Liabilities Equity Method Investments DeferredTaxLiabilitiesEquityMethodInvestments	26000000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	10853000000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	11024000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	265000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	447000000	usd
CY2023Q4	ed	Deferred Tax Assets Regulatory Assets And Liabilities Future Income Tax DeferredTaxAssetsRegulatoryAssetsAndLiabilitiesFutureIncomeTax	427000000	usd
CY2022Q4	ed	Deferred Tax Assets Regulatory Assets And Liabilities Future Income Tax DeferredTaxAssetsRegulatoryAssetsAndLiabilitiesFutureIncomeTax	489000000	usd
CY2023Q4	ed	Deferred Tax Assets Regulatory Assets And Liabilities Other DeferredTaxAssetsRegulatoryAssetsAndLiabilitiesOther	844000000	usd
CY2022Q4	ed	Deferred Tax Assets Regulatory Assets And Liabilities Other DeferredTaxAssetsRegulatoryAssetsAndLiabilitiesOther	860000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	270000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	767000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	7000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	117000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	7000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	18000000	usd
CY2023Q4	ed	Deferred Tax Assets Superfund And Environmental Costs DeferredTaxAssetsSuperfundAndEnvironmentalCosts	314000000	usd
CY2022Q4	ed	Deferred Tax Assets Superfund And Environmental Costs DeferredTaxAssetsSuperfundAndEnvironmentalCosts	280000000	usd
CY2023Q4	ed	Deferred Tax Liabilities Operating Lease Liabilities DeferredTaxLiabilitiesOperatingLeaseLiabilities	154000000	usd
CY2022Q4	ed	Deferred Tax Liabilities Operating Lease Liabilities DeferredTaxLiabilitiesOperatingLeaseLiabilities	233000000	usd
CY2023Q4	ed	Deferred Tax Assets Pension And Other Postretirement Benefits DeferredTaxAssetsPensionAndOtherPostretirementBenefits	167000000	usd
CY2022Q4	ed	Deferred Tax Assets Pension And Other Postretirement Benefits DeferredTaxAssetsPensionAndOtherPostretirementBenefits	162000000	usd
CY2023Q4	ed	Deferred Tax Assets Asset Retirement Obligations DeferredTaxAssetsAssetRetirementObligations	146000000	usd
CY2022Q4	ed	Deferred Tax Assets Asset Retirement Obligations DeferredTaxAssetsAssetRetirementObligations	153000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	98000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	0	usd
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	125000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	14000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	2810000000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	3504000000	usd
CY2023Q4	ed	Deferred Tax Liabilities Excluding Investmentin Noncontrolled Affiliates Net DeferredTaxLiabilitiesExcludingInvestmentinNoncontrolledAffiliatesNet	8043000000	usd
CY2022Q4	ed	Deferred Tax Liabilities Excluding Investmentin Noncontrolled Affiliates Net DeferredTaxLiabilitiesExcludingInvestmentinNoncontrolledAffiliatesNet	7520000000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	26000000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	121000000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	8069000000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	7641000000	usd
CY2023	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	228000000	usd
CY2023	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-228000000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	23000000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	17000000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	14000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	8000000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	3000000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	3000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	3000000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	6000000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	11000000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	1000000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	12000000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	2000000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	11000000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	23000000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	17000000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	11000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	8000000	usd
CY2023	ed	Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions	-8000000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-12000000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	3000000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	11000000	usd
CY2023Q4	ed	Unrecognized Tax Benefits Net UnrecognizedTaxBenefitsNet	10000000	usd
CY2023Q4	us-gaap	Dividends And Interest Paid DividendsAndInterestPaid	6000000	usd
CY2023Q4	us-gaap	Income Taxes Paid IncomeTaxesPaid	4000000	usd
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CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	3196000000	usd
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CY2023	ed	Fair Value Net Derivative Asset Liability Measuredon Recurring Basis Unobservable Inputs Reconciliation Gain Loss Includedin Regulatory Assetsand Liabilities FairValueNetDerivativeAssetLiabilityMeasuredonRecurringBasisUnobservableInputsReconciliationGainLossIncludedinRegulatoryAssetsandLiabilities	33000000	usd
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CY2023Q1	ed	Number Of Solar Projects NumberOfSolarProjects	2	solarproject
CY2023Q1	ed	Number Of Solar Projects NumberOfSolarProjects	2	solarproject
CY2023Q4	ed	Period To Obtain Counter Party Consent PeriodToObtainCounterPartyConsent	P2Y
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$ED
CONSOLIDATED EDISON INC Stock $ed

2024 Q1 Form 10-K Financial Statement

#000104786224000012 Filed on February 15, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ED CONSOLIDATED EDISON INC Stock $ed

2024 Q1 Form 10-K Financial Statement

#000104786224000012 Filed on February 15, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ED
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