$ES
Eversource Energy Stock $es

$es Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-Q Financial Statement

#000007274119000042 Filed on November 07, 2019

Income Statement

Concept	2019 Q4	2019 Q3	2018 Q4
Revenue	$2.050B	$2.176B	$2.035B
YoY Change	0.76%	-4.21%	7.35%
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	$228.7M	$296.5M	$207.8M
YoY Change	10.06%	-1.63%	2.57%
% of Gross Profit
Operating Expenses	$1.615B	$1.667B	$1.635B
YoY Change	-1.23%	-7.69%	12.62%
Operating Profit	$435.6M	$509.2M	$400.0M
YoY Change	8.9%	9.27%	-9.85%
Interest Expense	-$86.30M	$135.2M	-$126.1M
YoY Change	-31.56%	7.99%	23.26%
% of Operating Profit	-19.81%	26.55%	-31.53%
Other Income/Expense, Net	-$18.40M	$27.00M	$27.70M
YoY Change	-166.43%	61.68%	-3.48%
Pretax Income	$331.0M	$401.0M	$301.7M
YoY Change	9.71%	12.15%	-18.53%
Income Tax	$79.10M	$80.23M	$63.50M
% Of Pretax Income	23.9%	20.01%	21.05%
Net Earnings	$251.9M	$320.8M	$233.2M
YoY Change	8.02%	10.11%	-2.59%
Net Earnings / Revenue	12.29%	14.74%	11.46%
Basic Earnings Per Share	$0.77	$0.98	$0.73
Diluted Earnings Per Share	$0.76	$0.98	$0.73
COMMON SHARES
Basic Shares Outstanding	323.8M shares	324.0M shares	316.9M shares
Diluted Shares Outstanding		326.0M shares

Balance Sheet

Concept	2019 Q4	2019 Q3	2018 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$15.00M	$23.00M	$108.0M
YoY Change	-86.11%	-61.02%	184.21%
Cash & Equivalents	$15.40M	$151.9M	$209.3M
Short-Term Investments
Other Short-Term Assets	$342.1M	$312.3M	$261.0M
YoY Change	31.09%	53.49%	89.11%
Inventory	$235.0M	$204.0M	$238.0M
Prepaid Expenses
Receivables	$989.4M	$993.4M	$994.1M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$2.415B	$2.221B	$2.292B
YoY Change	5.34%	3.14%	-7.84%
LONG-TERM ASSETS
Property, Plant & Equipment	$27.64B	$26.96B	$25.61B
YoY Change	7.9%	7.99%	8.44%
Goodwill	$4.427B	$4.427B	$4.430B
YoY Change	-0.07%	0.0%	0.06%
Intangibles
YoY Change
Long-Term Investments	$871.6M	$861.7M	$464.3M
YoY Change	87.72%	47.05%	67.26%
Other Assets	$512.2M	$606.3M	$398.4M
YoY Change	28.57%	-8.79%	-34.22%
Total Long-Term Assets	$11.12B	$10.59B	$10.34B
YoY Change	7.6%	1.9%	2.2%
TOTAL ASSETS
Total Short-Term Assets	$2.415B	$2.221B	$2.292B
Total Long-Term Assets	$11.12B	$10.59B	$10.34B
Total Assets	$41.12B	$39.73B	$38.24B
YoY Change	7.54%	5.89%	5.58%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.148B	$892.1M	$1.120B
YoY Change	2.49%	-7.29%	3.22%
Accrued Expenses	$9.000M	$9.000M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$889.0M	$713.0M	$910.0M
YoY Change	-2.31%	-33.18%	-16.36%
Long-Term Debt Due	$327.4M	$853.1M	$837.3M
YoY Change	-60.9%	120.25%	52.34%
Total Short-Term Liabilities	$3.606B	$3.749B	$4.113B
YoY Change	-12.33%	3.27%	14.6%
LONG-TERM LIABILITIES
Long-Term Debt	$13.77B	$13.44B	$12.25B
YoY Change	12.43%	10.6%	4.02%
Other Long-Term Liabilities	$810.6M	$1.291B	$730.1M
YoY Change	11.02%	17.98%	-31.99%
Total Long-Term Liabilities	$14.58B	$9.719B	$9.654B
YoY Change	51.04%	1.39%	0.42%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.606B	$3.749B	$4.113B
Total Long-Term Liabilities	$14.58B	$9.719B	$9.654B
Total Liabilities	$18.19B	$13.47B	$13.77B
YoY Change	32.11%	1.9%	4.27%
SHAREHOLDERS EQUITY
Retained Earnings	$4.177B	$4.100B	$3.954B
YoY Change	5.64%	5.6%	11.03%
Common Stock	$1.729B	$1.699B	$1.669B
YoY Change	3.59%	1.79%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$299.1M	$301.8M	$317.8M
YoY Change	-5.89%	-5.04%	0.0%
Treasury Stock Shares	15.98M shares	16.12M shares	16.99M shares
Shareholders Equity	$12.63B	$12.12B	$11.49B
YoY Change
Total Liabilities & Shareholders Equity	$41.12B	$39.73B	$38.24B
YoY Change	7.54%	5.89%	5.58%

Cashflow Statement

Concept	2019 Q4	2019 Q3	2018 Q4
OPERATING ACTIVITIES
Net Income	$251.9M	$320.8M	$233.2M
YoY Change	8.02%	10.11%	-2.59%
Depreciation, Depletion And Amortization	$228.7M	$296.5M	$207.8M
YoY Change	10.06%	-1.63%	2.57%
Cash From Operating Activities	$514.7M	$570.3M	$422.8M
YoY Change	21.74%	-19.63%	-18.75%
INVESTING ACTIVITIES
Capital Expenditures	-$782.5M	-$751.2M	-$684.8M
YoY Change	14.27%	18.6%	-2.98%
Acquisitions
YoY Change
Other Investing Activities	-$40.00M	-$106.9M	-$46.60M
YoY Change	-14.16%	-242.53%	-94.66%
Cash From Investing Activities	-$822.5M	-$858.1M	-$731.4M
YoY Change	12.46%	53.64%	-53.66%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$425.4M
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	272.9M	272.6M	383.3M
YoY Change	-28.8%	-296.97%	-60.57%
NET CHANGE
Cash From Operating Activities	514.7M	570.3M	422.8M
Cash From Investing Activities	-822.5M	-858.1M	-731.4M
Cash From Financing Activities	272.9M	272.6M	383.3M
Net Change In Cash	-34.90M	-15.20M	74.70M
YoY Change	-146.72%	-219.69%	-186.86%
FREE CASH FLOW
Cash From Operating Activities	$514.7M	$570.3M	$422.8M
Capital Expenditures	-$782.5M	-$751.2M	-$684.8M
Free Cash Flow	$1.297B	$1.322B	$1.108B
YoY Change	17.12%	-1.6%	-9.67%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	es	Utilities Operating Expense Purchased Power Purchased Transmission And Fuel Used UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed	2326041000	USD
CY2019Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	323761393	shares
CY2018Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	2400000	USD
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	32900000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4112882000	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0000072741
CY2018Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.505
CY2018Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.505
CY2018Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.505
CY2019Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.535
CY2019Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.535
CY2019Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.535
CY2019Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	380000000	shares
CY2018Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1900000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	5600000	USD
CY2018Q4	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	155600000	USD
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Registrant Name EntityRegistrantName	EVERSOURCE ENERGY
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MA
	dei	Entity Address Address Line1 EntityAddressAddressLine1	300 Cadwell Drive
	dei	Entity Address City Or Town EntityAddressCityOrTown	Springfield
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	01104
	dei	City Area Code CityAreaCode	800
	dei	Local Phone Number LocalPhoneNumber	286-5000
	dei	Entity File Number EntityFileNumber	1-5324
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	04-2147929
	dei	Security12b Title Security12bTitle	Common Shares, $5.00 par value per share
	dei	Trading Symbol TradingSymbol	ES
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2019Q3	us-gaap	Cash Cash	22688000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	823006000	USD
CY2019Q3	us-gaap	Liabilities Current LiabilitiesCurrent	3748910000	USD
CY2018Q4	us-gaap	Cash Cash	108068000	USD
CY2019Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	993396000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	994055000	USD
CY2019Q3	us-gaap	Receivables From Customers ReceivablesFromCustomers	150394000	USD
CY2018Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	176285000	USD
CY2019Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	204012000	USD
CY2018Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	238042000	USD
CY2019Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	538162000	USD
CY2018Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	514779000	USD
CY2019Q3	us-gaap	Other Assets Current OtherAssetsCurrent	312253000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	260995000	USD
CY2019Q3	us-gaap	Assets Current AssetsCurrent	2220905000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	2292224000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	26911877000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	25610428000	USD
CY2019Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4292560000	USD
CY2018Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4631137000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	4427266000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	4427266000	USD
CY2019Q3	us-gaap	Equity Method Investments EquityMethodInvestments	861687000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	464286000	USD
CY2019Q3	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	404804000	USD
CY2018Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	417508000	USD
CY2019Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	606295000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	398407000	USD
CY2019Q3	us-gaap	Assets Noncurrent AssetsNoncurrent	10592612000	USD
CY2018Q4	us-gaap	Assets Noncurrent AssetsNoncurrent	10338604000	USD
CY2019Q3	us-gaap	Assets Assets	39725394000	USD
CY2018Q4	us-gaap	Assets Assets	38241256000	USD
CY2019Q3	us-gaap	Notes Payable NotesPayable	712500000	USD
CY2018Q4	us-gaap	Notes Payable NotesPayable	910000000	USD
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CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	837319000	USD
CY2019Q3	es	Rate Reduction Bonds Current RateReductionBondsCurrent	43210000	USD
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CY2019Q3	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	155570000	USD
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CY2019Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3644477000	USD
CY2018Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3609475000	USD
CY2019Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	357869000	USD
CY2018Q4	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	379562000	USD
CY2019Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	821172000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	962510000	USD
CY2019Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1290704000	USD
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CY2019Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	9719013000	USD
CY2018Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	9653913000	USD
CY2019Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	13440165000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	12248743000	USD
CY2019Q3	us-gaap	Common Stock Value CommonStockValue	1699292000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	1669392000	USD
CY2019Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	6675889000	USD
CY2018Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	6241222000	USD
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	4100220000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3953974000	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-52017000	USD
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CY2019Q3	us-gaap	Treasury Stock Value TreasuryStockValue	301770000	USD
CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	317771000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	12121614000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	11486817000	USD
CY2019Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2019Q3	us-gaap	Revenues Revenues	2175797000	USD
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	us-gaap	Revenues Revenues	6476084000	USD
	us-gaap	Revenues Revenues	6413243000	USD
CY2019Q3	es	Utilities Operating Expense Purchased Power Purchased Transmission And Fuel Used UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed	730255000	USD
CY2018Q3	es	Utilities Operating Expense Purchased Power Purchased Transmission And Fuel Used UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed	842291000	USD
CY2019Q3	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	73854000	USD
CY2018Q3	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	92711000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	183760000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	174108000	USD
	es	Utilities Operating Expense Purchased Power Purchased Transmission And Fuel Used UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed	2442953000	USD
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	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	994660000	USD
	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	970881000	USD
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CY2018Q3	us-gaap	Depreciation Depreciation	208671000	USD
	us-gaap	Depreciation Depreciation	656632000	USD
	us-gaap	Depreciation Depreciation	612077000	USD
CY2019Q3	es	Energy Efficiency Programs EnergyEfficiencyPrograms	136832000	USD
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	es	Energy Efficiency Programs EnergyEfficiencyPrograms	382785000	USD
	es	Energy Efficiency Programs EnergyEfficiencyPrograms	366162000	USD
CY2019Q3	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	171965000	USD
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	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	537636000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	547155000	USD
CY2019Q3	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	0	USD
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	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	239644000	USD
	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	0	USD
CY2019Q3	us-gaap	Operating Expenses OperatingExpenses	1666559000	USD
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	us-gaap	Operating Expenses OperatingExpenses	5321158000	USD
	us-gaap	Operating Expenses OperatingExpenses	5113336000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	509238000	USD
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	us-gaap	Operating Income Loss OperatingIncomeLoss	1154926000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1299907000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	135216000	USD
CY2018Q3	us-gaap	Interest Expense InterestExpense	125201000	USD
	us-gaap	Interest Expense InterestExpense	399654000	USD
	us-gaap	Interest Expense InterestExpense	372734000	USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	26968000	USD
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	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	103818000	USD
	us-gaap	Net Income Loss NetIncomeLoss	807332000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	100656000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	400990000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	357538000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	859090000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1027829000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	80226000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	66278000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	194435000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	220497000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	320764000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	291260000	USD
	us-gaap	Net Income Loss NetIncomeLoss	664655000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1880000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1880000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5639000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5639000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	318884000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	289380000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	659016000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	801693000	USD
CY2019Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.98
CY2018Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.91
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	2.06
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	2.53
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.98
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.05
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.52
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	324037169	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	317360110	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	320442253	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	317367252	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	326008342	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	317967311	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	321570926	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	317948498	shares
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	320764000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	291260000	USD
	us-gaap	Net Income Loss NetIncomeLoss	664655000	USD
	us-gaap	Net Income Loss NetIncomeLoss	807332000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1406000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	367000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	432000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	945000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	1627000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	169000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-136000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1268000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-724000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1088000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1110000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-5770000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-5918000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1624000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	7983000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6821000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1880000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1880000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5639000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	5639000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	320508000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	290786000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	666999000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	808514000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	11486817000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	310558000	USD
CY2019Q1	us-gaap	Dividends Common Stock DividendsCommonStock	169757000	USD
CY2019Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-16609000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	26109000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2196000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	11637434000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	33334000	USD
CY2019Q2	us-gaap	Dividends Common Stock DividendsCommonStock	169857000	USD
CY2019Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	433550000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	6470000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	18027000	USD
CY2019Q2	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	6648000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4163000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	11954593000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	320764000	USD
CY2019Q3	us-gaap	Dividends Common Stock DividendsCommonStock	173156000	USD
CY2019Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	6697000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	12972000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1624000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	12121614000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	11086242000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	271426000	USD
CY2018Q1	us-gaap	Dividends Common Stock DividendsCommonStock	160027000	USD
CY2018Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2018Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-15320000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3273000	USD
CY2018Q1	us-gaap	Stockholders Equity StockholdersEquity	11183714000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	244647000	USD
CY2018Q2	us-gaap	Dividends Common Stock DividendsCommonStock	160027000	USD
CY2018Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2018Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	4627000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2142000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	11273223000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	291260000	USD
CY2018Q3	us-gaap	Dividends Common Stock DividendsCommonStock	160028000	USD
CY2018Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1880000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	4797000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1406000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	11408778000	USD
	us-gaap	Net Income Loss NetIncomeLoss	664655000	USD
	us-gaap	Net Income Loss NetIncomeLoss	807332000	USD
	us-gaap	Depreciation Depreciation	656632000	USD
	us-gaap	Depreciation Depreciation	612077000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	73487000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	70402000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	46417000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	50720000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	18507000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	5192000	USD
	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	120373000	USD
	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	188874000	USD
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-80688000	USD
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-189932000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	183760000	USD
	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	174108000	USD
	us-gaap	Proceeds From Legal Settlements ProceedsFromLegalSettlements	68840000	USD
	us-gaap	Proceeds From Legal Settlements ProceedsFromLegalSettlements	0	USD
	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	239644000	USD
	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	0	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	185625000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	129039000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	57011000	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	212326000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-34030000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-44702000	USD
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-53687000	USD
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-70885000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-157355000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-72591000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	105133000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	14858000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1494850000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1407662000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2129037000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1885081000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	458322000	USD
	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	405276000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	405095000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	396277000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	193924000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	374913000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	27342000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1126000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-3937000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2451849000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1705563000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	426902000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	495571000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	480082000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	5639000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	5639000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-197500000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-222110000	USD
	es	Proceeds From Issuance Of Rate Reduction Bonds ProceedsFromIssuanceOfRateReductionBonds	0	USD
	es	Proceeds From Issuance Of Rate Reduction Bonds ProceedsFromIssuanceOfRateReductionBonds	635663000	USD
	es	Numberof Electric Natural Gas And Water Customers NumberofElectricNaturalGasAndWaterCustomers	4000000000000	customer
	es	Repayments Of Rate Reduction Bonds RepaymentsOfRateReductionBonds	52332000	USD
	es	Repayments Of Rate Reduction Bonds RepaymentsOfRateReductionBonds	0	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1475000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1300000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	250855000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	860855000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-450000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-20361000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	899555000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	346616000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-57444000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	48715000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	209324000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	85890000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	151880000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	134605000	USD
	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	239600000	USD
	es	Tangible Asset Impairment Charges After Tax TangibleAssetImpairmentChargesAfterTax	204400000	USD
	es	Tangible Asset Impairment Charges After Tax Per Share TangibleAssetImpairmentChargesAfterTaxPerShare	0.64
CY2019Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	225500000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	212700000	USD
CY2019Q3	es	Uncollectible Hardship Accounts Receivable Reserve UncollectibleHardshipAccountsReceivableReserve	146500000	USD
CY2018Q4	es	Uncollectible Hardship Accounts Receivable Reserve UncollectibleHardshipAccountsReceivableReserve	131500000	USD
CY2019Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	14900000	USD
CY2018Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	21500000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	46400000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	50700000	USD
	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	122500000	USD
	es	Tax Remittance To State For Energy Efficiency Funds TaxRemittanceToStateForEnergyEfficiencyFunds	21400000	USD
CY2018Q3	es	Tax Remittance To State For Energy Efficiency Funds TaxRemittanceToStateForEnergyEfficiencyFunds	10700000	USD
	es	Tax Remittance To State For Energy Efficiency Funds TaxRemittanceToStateForEnergyEfficiencyFunds	36100000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	317800000	USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	27000000.0	USD
CY2018Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	16700000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	103800000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	100700000	USD
CY2018Q3	us-gaap	Impairment Of Investments ImpairmentOfInvestments	32900000	USD
CY2019Q3	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	42600000	USD
CY2018Q3	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	43500000	USD
	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	124000000.0	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	303700000	USD
CY2019Q3	us-gaap	Cash Cash	22700000	USD
CY2018Q4	us-gaap	Cash Cash	108100000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	151900000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	209300000	USD
CY2019Q3	us-gaap	Regulatory Assets RegulatoryAssets	4830800000	USD
CY2018Q4	us-gaap	Regulatory Assets RegulatoryAssets	5145900000	USD
CY2019Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	538200000	USD
CY2018Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	514800000	USD
CY2019Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4292600000	USD
CY2018Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4631100000	USD
CY2019Q3	us-gaap	Amount Of Regulatory Costs Not Yet Approved AmountOfRegulatoryCostsNotYetApproved	144300000	USD
CY2018Q4	us-gaap	Amount Of Regulatory Costs Not Yet Approved AmountOfRegulatoryCostsNotYetApproved	122900000	USD
CY2019Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	4085700000	USD
CY2018Q4	us-gaap	Regulatory Liabilities RegulatoryLiabilities	3979700000	USD
CY2019Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	441200000	USD
CY2018Q4	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	370200000	USD
CY2019Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3644500000	USD
CY2018Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	3609500000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	15737600000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Distribution PublicUtilitiesPropertyPlantAndEquipmentDistribution	15071100000	USD
CY2019Q3	es	Public Utilities Property Plant And Equipment Distribution Natural Gas PublicUtilitiesPropertyPlantAndEquipmentDistributionNaturalGas	3723700000	USD
CY2018Q4	es	Public Utilities Property Plant And Equipment Distribution Natural Gas PublicUtilitiesPropertyPlantAndEquipmentDistributionNaturalGas	3546200000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	10570600000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Transmission PublicUtilitiesPropertyPlantAndEquipmentTransmission	10153900000	USD
CY2019Q3	es	Public Utilities Property Plant And Equipment Distribution Water PublicUtilitiesPropertyPlantAndEquipmentDistributionWater	1686300000	USD
CY2018Q4	es	Public Utilities Property Plant And Equipment Distribution Water PublicUtilitiesPropertyPlantAndEquipmentDistributionWater	1639800000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	199200000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Generation Or Processing PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing	164100000	USD
CY2019Q3	es	Public Utilities Property Plant And Equipment Electric And Natural Gas Utility Total PublicUtilitiesPropertyPlantAndEquipmentElectricAndNaturalGasUtilityTotal	31917400000	USD
CY2018Q4	es	Public Utilities Property Plant And Equipment Electric And Natural Gas Utility Total PublicUtilitiesPropertyPlantAndEquipmentElectricAndNaturalGasUtilityTotal	30575100000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	935200000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Other Property Plant And Equipment PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment	778600000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	32852600000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	31353700000	USD
CY2019Q3	es	Electric And Natural Gas Utility Accumulated Depreciation ElectricAndNaturalGasUtilityAccumulatedDepreciation	7417600000	USD
CY2018Q4	es	Electric And Natural Gas Utility Accumulated Depreciation ElectricAndNaturalGasUtilityAccumulatedDepreciation	7126200000	USD
CY2019Q3	es	Other Accumulated Depreciation OtherAccumulatedDepreciation	375100000	USD
CY2018Q4	es	Other Accumulated Depreciation OtherAccumulatedDepreciation	336700000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	7792700000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	7462900000	USD
CY2019Q3	es	Property Plant And Equipment Net Excluding Construction Work In Progress PropertyPlantAndEquipmentNetExcludingConstructionWorkInProgress	25059900000	USD
CY2018Q4	es	Property Plant And Equipment Net Excluding Construction Work In Progress PropertyPlantAndEquipmentNetExcludingConstructionWorkInProgress	23890800000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	1852000000.0	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	1719600000	USD
CY2019Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	26911900000	USD
CY2018Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	25610400000	USD
	es	Percentageof Costsor Benefits Borne Under Capacity Related Contractsby United Illuminated Company PercentageofCostsorBenefitsBorneUnderCapacityRelatedContractsbyUnitedIlluminatedCompany	0.20
CY2019Q3	es	Amountof Capacity Provided Under Capacity Contract AmountofCapacityProvidedUnderCapacityContract	679	MW
CY2018Q4	es	Amountof Capacity Provided Under Capacity Contract AmountofCapacityProvidedUnderCapacityContract	787	MW
	es	Amountof Natural Gas To Be Purchased Under Futures Contracts AmountofNaturalGasToBePurchasedUnderFuturesContracts	11600000	MMBTU
CY2018	es	Amountof Natural Gas To Be Purchased Under Futures Contracts AmountofNaturalGasToBePurchasedUnderFuturesContracts	12500000	MMBTU
CY2019Q3	es	Derivative Instruments Gain Loss Recognized In Regulatory Asset Liability DerivativeInstrumentsGainLossRecognizedInRegulatoryAssetLiability	-9200000	USD
CY2018Q3	es	Derivative Instruments Gain Loss Recognized In Regulatory Asset Liability DerivativeInstrumentsGainLossRecognizedInRegulatoryAssetLiability	1600000	USD
	es	Derivative Instruments Gain Loss Recognized In Regulatory Asset Liability DerivativeInstrumentsGainLossRecognizedInRegulatoryAssetLiability	-19500000	USD
	es	Derivative Instruments Gain Loss Recognized In Regulatory Asset Liability DerivativeInstrumentsGainLossRecognizedInRegulatoryAssetLiability	-25800000	USD
CY2019Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	43400000	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	44000000.0	USD
CY2019Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	2400000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	5700000	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain EquitySecuritiesFvNiUnrealizedGain	2600000	USD
CY2019Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	203000000.0	USD
CY2019Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	8900000	USD
CY2019Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	100000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	211800000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	190000000.0	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	400000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4000000.0	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	186400000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	28600000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	28500000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	100200000	USD
CY2019Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	203000000.0	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	211800000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	49800000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	51200000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	30000000.0	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	31900000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	94600000	USD
CY2019Q3	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	418900000	USD
CY2018Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	430400000	USD
	es	Environmental Site Quantity EnvironmentalSiteQuantity	58	site
CY2019Q3	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	70300000	USD
CY2018	es	Environmental Site Quantity EnvironmentalSiteQuantity	60	site
CY2018Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	64700000	USD
CY2019Q2	us-gaap	Loss Contingency Damages Awarded Value LossContingencyDamagesAwardedValue	500000	USD
CY2019Q1	es	Loss Contingency Damages Sought Remaining Amount LossContingencyDamagesSoughtRemainingAmount	1000000	USD
CY2019Q3	us-gaap	Loss Contingency Damages Paid Value LossContingencyDamagesPaidValue	500000	USD
	es	Loss Contingency Percentage Of Base Roe Reasonably Justified LossContingencyPercentageOfBaseROEReasonablyJustified	0.1041
	es	Loss Contingency Percentage Of Incentive Cap On Total Roe LossContingencyPercentageOfIncentiveCapOnTotalROE	0.1308
	es	Loss Contingency Percentage Of Base Roe Reasonably Justified LossContingencyPercentageOfBaseROEReasonablyJustified	0.1041
	es	Loss Contingency Percentage Of Incentive Cap On Total Roe LossContingencyPercentageOfIncentiveCapOnTotalROE	0.1308
CY2016Q3	es	Capacity Required For Installationof Distribution Cable CapacityRequiredForInstallationofDistributionCable	115	kV
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	400000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1100000	USD
CY2019Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	300000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	1000000.0	USD
CY2019Q3	es	Finance Lease Cost FinanceLeaseCost	700000	USD
	es	Finance Lease Cost FinanceLeaseCost	2100000	USD
CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	2900000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	8900000	USD
CY2019Q3	us-gaap	Variable Lease Cost VariableLeaseCost	15300000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2600000	USD
CY2019Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	8700000	USD
CY2019Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	11000000.0	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	46400000	USD
CY2019Q3	us-gaap	Lease Cost LeaseCost	18900000	USD
	us-gaap	Lease Cost LeaseCost	57400000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	52300000	USD
CY2019Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	8900000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	43400000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	52300000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	8800000	USD
CY2019Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2300000	USD
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y
CY2019Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P11Y
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.039
CY2019Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.042
CY2019Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	2900000	USD
CY2019Q3	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	300000	USD
CY2019Q3	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	500000	USD
CY2019Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	900000	USD
CY2019Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	8700000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	1000000.0	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1500000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2600000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1300000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	900000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	10100000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	3400000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	8900000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	2900000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	7400000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	1500000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4900000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	700000	USD
CY2019Q3	es	Lessee Operating Lease Liability Payments Due Year Six LesseeOperatingLeaseLiabilityPaymentsDueYearSix	2800000	USD
CY2019Q3	es	Finance Lease Liability Payments Due Year Six FinanceLeaseLiabilityPaymentsDueYearSix	700000	USD
CY2019Q3	es	Lessee Operating Lease Liability Payments Due After Year Six LesseeOperatingLeaseLiabilityPaymentsDueAfterYearSix	28900000	USD
CY2019Q3	es	Finance Lease Liability Payments Due After Year Six FinanceLeaseLiabilityPaymentsDueAfterYearSix	13300000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	65600000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	23400000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	13300000	USD
CY2019Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	12400000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	52300000	USD
CY2019Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	11000000.0	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	11500000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	9800000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	8700000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	7200000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	4700000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	32700000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	74600000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	3400000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	3400000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	2900000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	1500000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	700000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	13900000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	25800000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	13800000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	12000000.0	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	3900000	USD
	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	1900000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-4100000	USD
	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-4900000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	8000000.0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6800000	USD
CY2019Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	380000000	shares
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	339858402	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	333878402	shares
CY2019Q2	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	17940000	shares
CY2019Q2	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	5980000	shares
CY2019Q2	us-gaap	Forward Contract Indexed To Issuers Equity Shares ForwardContractIndexedToIssuersEquityShares	11960000	shares
CY2019Q2	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	5980000	shares
CY2019Q2	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	426900000	USD
CY2019Q2	us-gaap	Forward Contract Indexed To Issuers Equity Shares ForwardContractIndexedToIssuersEquityShares	11960000	shares
CY2019Q2	us-gaap	Forward Contract Indexed To Issuers Equity Forward Rate ForwardContractIndexedToIssuersEquityForwardRate	71.48
CY2019Q3	us-gaap	Forward Contract Indexed To Issuers Equity Settlement Alternatives Cash At Fair Value ForwardContractIndexedToIssuersEquitySettlementAlternativesCashAtFairValue	169700000	USD
CY2019Q3	us-gaap	Forward Contract Indexed To Issuers Equity Settlement Alternatives Shares At Fair Value ForwardContractIndexedToIssuersEquitySettlementAlternativesSharesAtFairValue	1985105	shares
CY2019Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	16124979	shares
CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	16992594	shares
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	323733423	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	316885808	shares
CY2019Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	1900000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	5600000	USD
CY2019Q3	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	155600000	USD
	us-gaap	Incremental Common Shares Attributable To Equity Forward Agreements IncrementalCommonSharesAttributableToEquityForwardAgreements	0	shares
CY2019Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1971173	shares
CY2018Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	607201	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1128673	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	581246	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	326008342	shares
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	318900000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	289400000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	659000000.0	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	801700000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	324037169	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	317360110	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	320442253	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	317367252	shares
CY2019Q3	es	Incremental Common Shares Attributable To Dilutive Effect Of Share Based Payment Arrangements And Other IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndOther	737972	shares
CY2018Q3	es	Incremental Common Shares Attributable To Dilutive Effect Of Share Based Payment Arrangements And Other IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndOther	607201	shares
	es	Incremental Common Shares Attributable To Dilutive Effect Of Share Based Payment Arrangements And Other IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndOther	691636	shares
	es	Incremental Common Shares Attributable To Dilutive Effect Of Share Based Payment Arrangements And Other IncrementalCommonSharesAttributableToDilutiveEffectOfShareBasedPaymentArrangementsAndOther	581246	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Equity Forward Agreements IncrementalCommonSharesAttributableToEquityForwardAgreements	1233201	shares
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Equity Forward Agreements IncrementalCommonSharesAttributableToEquityForwardAgreements	0	shares
	us-gaap	Incremental Common Shares Attributable To Equity Forward Agreements IncrementalCommonSharesAttributableToEquityForwardAgreements	437037	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	317967311	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	321570926	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	317948498	shares
CY2019Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.98
CY2018Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.91
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	2.06
	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	2.53
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.98
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.91
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.05
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.52
CY2019Q3	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	-200000	USD
CY2019Q3	us-gaap	Revenue Not From Contract With Customer Other RevenueNotFromContractWithCustomerOther	7600000	USD
CY2019Q3	us-gaap	Revenues Revenues	2175800000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2168400000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	6434100000	USD
	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	24500000	USD
	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	4241100000	USD
	us-gaap	Revenue Not From Contract With Customer Other RevenueNotFromContractWithCustomerOther	17500000	USD
	us-gaap	Revenues Revenues	6476100000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	2321100000	USD
CY2018Q3	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	-55200000	USD
CY2018Q3	us-gaap	Revenue Not From Contract With Customer Other RevenueNotFromContractWithCustomerOther	5500000	USD
CY2018Q3	us-gaap	Revenues Revenues	2271400000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	6458900000	USD
	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	-60500000	USD
	us-gaap	Revenue Not From Contract With Customer Other RevenueNotFromContractWithCustomerOther	14800000	USD
	us-gaap	Revenues Revenues	6413200000	USD
CY2019Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	1200000	USD
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	3400000	USD
	es	Numberof Companies That Transmit Hydro Electricity NumberofCompaniesThatTransmitHydroElectricity	2	company
CY2019Q3	us-gaap	Revenues Revenues	2175800000	USD
CY2019Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	296500000	USD
CY2019Q3	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	1370100000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	509200000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	135200000	USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	27000000.0	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	318900000	USD
	us-gaap	Revenues Revenues	6476100000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	840500000	USD
	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	239600000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1154900000	USD
	us-gaap	Interest Expense InterestExpense	399700000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	103800000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	659000000.0	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2129000000.0	USD
CY2018Q3	us-gaap	Revenues Revenues	2271400000	USD
CY2018Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	301400000	USD
CY2018Q3	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	1504000000.0	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	466000000.0	USD
CY2018Q3	us-gaap	Interest Expense InterestExpense	125200000	USD
CY2018Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	16700000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	289400000	USD
	us-gaap	Revenues Revenues	6413200000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	786200000	USD
	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	4327100000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	1299900000	USD
	us-gaap	Interest Expense InterestExpense	372700000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	100700000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	801700000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1885100000	USD
CY2019Q3	us-gaap	Assets Assets	39725400000	USD
CY2018Q4	us-gaap	Assets Assets	38241300000	USD

Files In Submission

Name	View Source	Status
0000072741-19-000042-index-headers.html	Edgar Link	pending
0000072741-19-000042-index.html	Edgar Link	pending
0000072741-19-000042.txt	Edgar Link	pending
0000072741-19-000042-xbrl.zip	Edgar Link	pending
a2019q310-qxdocument.htm	Edgar Link	pending
a2019q310-qxdocument_htm.xml	Edgar Link	completed
es-20190930.xsd	Edgar Link	pending
es-20190930_cal.xml	Edgar Link	unprocessable
es-20190930_def.xml	Edgar Link	unprocessable
es-20190930_lab.xml	Edgar Link	unprocessable
es-20190930_pre.xml	Edgar Link	unprocessable
eversourcelogo.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
q3201910q-exhibit311xc.htm	Edgar Link	pending
q3201910q-exhibit311xe.htm	Edgar Link	pending
q3201910q-exhibit311xn.htm	Edgar Link	pending
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report.css	Edgar Link	pending
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$ES
Eversource Energy Stock $es

2019 Q4 Form 10-Q Financial Statement

#000007274119000042 Filed on November 07, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ES Eversource Energy Stock $es

2019 Q4 Form 10-Q Financial Statement

#000007274119000042 Filed on November 07, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ES
Eversource Energy Stock $es