10-K Filing

EVERSOURCE ENERGY CIK: 72741 FY 2018

Filing Information

Form Type	10-K
Accession Number	`0000072741-19-000017`
Period End Date	20181231
Filing Date	20190226
Fiscal Year	2018
Fiscal Period	FY
XBRL Instance	es-20181231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 80 Income Statement 92 Cash Flow Statement 119 Stockholders Equity 42 Comprehensive Income 29

Balance Sheet 80 line items

Line Item	Tag	Value	Unit	Period
Cash and Cash Equivalents	`Cash`	$38.16M	USD	Point-in-time
Cash and Cash Equivalents	`Cash`	$108.07M	USD	Point-in-time
Receivables, Net	`AccountsReceivableNetCurrent`	$994.05M	USD	Point-in-time
Receivables, Net	`AccountsReceivableNetCurrent`	$925.08M	USD	Point-in-time
Unbilled Revenues	`ReceivablesFromCustomers`	$176.28M	USD	Point-in-time
Unbilled Revenues	`ReceivablesFromCustomers`	$201.36M	USD	Point-in-time
Fuel, Materials, Supplies and Inventory	`EnergyRelatedInventory`	$238.04M	USD	Point-in-time
Fuel, Materials, Supplies and Inventory	`EnergyRelatedInventory`	$223.06M	USD	Point-in-time
Regulatory Assets	`RegulatoryAssetsCurrent`	$741.87M	USD	Point-in-time
Regulatory Assets	`RegulatoryAssetsCurrent`	$514.78M	USD	Point-in-time
Prepayments and Other Current Assets	`OtherAssetsCurrent`	$261.00M	USD	Point-in-time
Prepayments and Other Current Assets	`OtherAssetsCurrent`	$138.01M	USD	Point-in-time
Assets Held for Sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	-	USD	Point-in-time
Assets Held for Sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$219.55M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$2.29B	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$2.49B	USD	Point-in-time
Property, Plant and Equipment, Net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$25.61B	USD	Point-in-time
Property, Plant and Equipment, Net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$23.62B	USD	Point-in-time
Regulatory Assets	`RegulatoryAssetsNoncurrent`	$4.50B	USD	Point-in-time
Regulatory Assets	`RegulatoryAssetsNoncurrent`	$4.63B	USD	Point-in-time
Goodwill	`Goodwill`	$4.43B	USD	Point-in-time
Goodwill	`Goodwill`	$4.43B	USD	Point-in-time
Marketable Securities	`MarketableSecuritiesNoncurrent`	$585.42M	USD	Point-in-time
Marketable Securities	`MarketableSecuritiesNoncurrent`	$417.51M	USD	Point-in-time
Other Long-Term Assets	`OtherAssetsNoncurrent`	$605.69M	USD	Point-in-time
Other Long-Term Assets	`OtherAssetsNoncurrent`	$862.69M	USD	Point-in-time
Total Deferred Debits and Other Assets	`AssetsNoncurrent`	$10.34B	USD	Point-in-time
Total Deferred Debits and Other Assets	`AssetsNoncurrent`	$10.12B	USD	Point-in-time
Total Assets	`Assets`	$38.24B	USD	Point-in-time
Total Assets	`Assets`	$36.22B	USD	Point-in-time
Notes Payable	`NotesPayable`	$1.09B	USD	Point-in-time
Notes Payable	`NotesPayable`	$910.00M	USD	Point-in-time
Long-Term Debt Current Portion	`LongTermDebtCurrent`	$837.32M	USD	Point-in-time
Long-Term Debt Current Portion	`LongTermDebtCurrent`	$549.63M	USD	Point-in-time
Rate Reduction Bonds Current Portion	`RateReductionBondsCurrent`	$52.33M	USD	Point-in-time
Rate Reduction Bonds Current Portion	`RateReductionBondsCurrent`	-	USD	Point-in-time
Accounts Payable	`AccountsPayableCurrent`	$1.09B	USD	Point-in-time
Accounts Payable	`AccountsPayableCurrent`	$1.12B	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityCurrent`	$128.07M	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityCurrent`	$370.23M	USD	Point-in-time
Other Current Liabilities	`OtherLiabilitiesCurrent`	$823.01M	USD	Point-in-time
Other Current Liabilities	`OtherLiabilitiesCurrent`	$738.22M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$4.11B	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$3.59B	USD	Point-in-time
Accumulated Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$3.51B	USD	Point-in-time
Accumulated Deferred Income Taxes	`DeferredIncomeTaxLiabilitiesNet`	$3.30B	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityNoncurrent`	$3.61B	USD	Point-in-time
Regulatory Liabilities	`RegulatoryLiabilityNoncurrent`	$3.64B	USD	Point-in-time
Derivative Liabilities	`DerivativeLiabilitiesNoncurrent`	$379.56M	USD	Point-in-time
Derivative Liabilities	`DerivativeLiabilitiesNoncurrent`	$377.26M	USD	Point-in-time
Accrued Pension, SERP and PBOP	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$962.51M	USD	Point-in-time
Accrued Pension, SERP and PBOP	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$1.23B	USD	Point-in-time
Other Long-Term Liabilities	`OtherLiabilitiesNoncurrent`	$1.07B	USD	Point-in-time
Other Long-Term Liabilities	`OtherLiabilitiesNoncurrent`	$1.20B	USD	Point-in-time
Total Deferred Credits and Other Liabilities	`LiabilitiesNoncurrent`	$9.61B	USD	Point-in-time
Total Deferred Credits and Other Liabilities	`LiabilitiesNoncurrent`	$9.65B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$11.78B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$12.25B	USD	Point-in-time
Rate Reduction Bonds	`RateReductionBonds`	-	USD	Point-in-time
Rate Reduction Bonds	`RateReductionBonds`	$583.33M	USD	Point-in-time
Preferred Stock Not Subject to Mandatory Redemption	`RedeemableNoncontrollingInterestEquityPreferredCarryingAmount`	$155.57M	USD	Point-in-time
Preferred Stock Not Subject to Mandatory Redemption	`RedeemableNoncontrollingInterestEquityPreferredCarryingAmount`	$155.57M	USD	Point-in-time
Common Shares	`CommonStockValue`	$1.67B	USD	Point-in-time
Common Shares	`CommonStockValue`	$1.67B	USD	Point-in-time
Capital Surplus, Paid In	`AdditionalPaidInCapital`	$6.24B	USD	Point-in-time
Capital Surplus, Paid In	`AdditionalPaidInCapital`	$6.24B	USD	Point-in-time
Retained Earnings	`RetainedEarningsAccumulatedDeficit`	$3.95B	USD	Point-in-time
Retained Earnings	`RetainedEarningsAccumulatedDeficit`	$3.56B	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-60.00M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-66.40M	USD	Point-in-time
Treasury Stock	`TreasuryStockValue`	$317.77M	USD	Point-in-time
Treasury Stock	`TreasuryStockValue`	$317.77M	USD	Point-in-time
Common Shareholders' Equity	`StockholdersEquity`	$11.49B	USD	Point-in-time
Common Shareholders' Equity	`StockholdersEquity`	$10.35B	USD	Point-in-time
Common Shareholders' Equity	`StockholdersEquity`	$11.09B	USD	Point-in-time
Common Shareholders' Equity	`StockholdersEquity`	$10.71B	USD	Point-in-time
Commitments and Contingencies (Note 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Note 12)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Total Liabilities and Capitalization	`LiabilitiesAndStockholdersEquity`	$38.24B	USD	Point-in-time
Total Liabilities and Capitalization	`LiabilitiesAndStockholdersEquity`	$36.22B	USD	Point-in-time

Income Statement 92 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`Revenues`	$2.27B	USD	1 Quarter
Operating Revenues	`Revenues`	$7.75B	USD	Annual
Operating Revenues	`Revenues`	$8.45B	USD	Annual
Operating Revenues	`Revenues`	$1.85B	USD	1 Quarter
Operating Revenues	`Revenues`	$2.29B	USD	1 Quarter
Operating Revenues	`Revenues`	$7.64B	USD	Annual
Operating Revenues	`Revenues`	$1.99B	USD	1 Quarter
Operating Revenues	`Revenues`	$2.03B	USD	1 Quarter
Operating Revenues	`Revenues`	$1.90B	USD	1 Quarter
Operating Revenues	`Revenues`	$2.11B	USD	1 Quarter
Operating Revenues	`Revenues`	$1.76B	USD	1 Quarter
Purchased Power, Fuel and Transmission	`UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed`	$2.54B	USD	Annual
Purchased Power, Fuel and Transmission	`UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed`	$3.14B	USD	Annual
Purchased Power, Fuel and Transmission	`UtilitiesOperatingExpensePurchasedPowerPurchasedTransmissionAndFuelUsed`	$2.50B	USD	Annual
Operations and Maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.34B	USD	Annual
Operations and Maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.31B	USD	Annual
Operations and Maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.34B	USD	Annual
Depreciation	`Depreciation`	$715.47M	USD	Annual
Depreciation	`Depreciation`	$819.93M	USD	Annual
Depreciation	`Depreciation`	$773.80M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationofRegulatoryAssetLiability`	$71.70M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationofRegulatoryAssetLiability`	$252.03M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationofRegulatoryAssetLiability`	$89.99M	USD	Annual
Energy Efficiency Programs	`EnergyEfficiencyPrograms`	$533.66M	USD	Annual
Energy Efficiency Programs	`EnergyEfficiencyPrograms`	$472.38M	USD	Annual
Energy Efficiency Programs	`EnergyEfficiencyPrograms`	$480.83M	USD	Annual
Taxes Other Than Income Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$676.76M	USD	Annual
Taxes Other Than Income Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$729.75M	USD	Annual
Taxes Other Than Income Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$634.07M	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$5.86B	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$6.75B	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$5.80B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$466.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$400.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$448.20M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$442.50M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$1.84B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$1.89B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$501.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$495.30M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$1.70B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$391.40M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$443.70M	USD	1 Quarter
Interest Expense	`InterestExpense`	$421.75M	USD	Annual
Interest Expense	`InterestExpense`	$400.96M	USD	Annual
Interest Expense	`InterestExpense`	$498.81M	USD	Annual
Other Income, Net	`NonoperatingIncomeExpense`	$107.91M	USD	Annual
Other Income, Net	`NonoperatingIncomeExpense`	$64.50M	USD	Annual
Other Income, Net	`NonoperatingIncomeExpense`	$128.37M	USD	Annual
Income Before Income Tax Benefit	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$1.57B	USD	Annual
Income Before Income Tax Benefit	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$1.33B	USD	Annual
Income Before Income Tax Benefit	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$1.50B	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$555.00M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$578.89M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$288.97M	USD	Annual
Net Income	`NetIncomeLoss`	$291.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$239.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$244.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$271.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$995.51M	USD	Annual
Net Income	`NetIncomeLoss`	$262.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$233.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$261.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$1.04B	USD	Annual
Net Income	`NetIncomeLoss`	$232.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$949.82M	USD	Annual
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Net Income/(Loss) Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$237.40M	USD	1 Quarter
Net Income/(Loss) Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$942.30M	USD	Annual
Net Income/(Loss) Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$988.00M	USD	Annual
Net Income/(Loss) Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$231.30M	USD	1 Quarter
Net Income/(Loss) Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$230.70M	USD	1 Quarter
Net Income/(Loss) Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$242.80M	USD	1 Quarter
Net Income/(Loss) Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$259.50M	USD	1 Quarter
Net Income/(Loss) Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$289.40M	USD	1 Quarter
Net Income/(Loss) Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$260.40M	USD	1 Quarter
Net Income/(Loss) Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$1.03B	USD	Annual
Net Income/(Loss) Attributable to Common Shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$269.50M	USD	1 Quarter
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$3.25	USD	Annual
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$3.11	USD	Annual
Basic Earnings Per Common Share (in dollars per share)	`EarningsPerShareBasic`	$2.97	USD	Annual
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$3.25	USD	Annual
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$2.96	USD	Annual
Diluted Earnings Per Common Share (in dollars per share)	`EarningsPerShareDiluted`	$3.11	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	317.41M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	317.65M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	317.37M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	318.45M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	318.03M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	317.99M	shares	Annual

Cash Flow Statement 119 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$291.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$239.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$244.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$271.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$995.51M	USD	Annual
Net Income	`NetIncomeLoss`	$262.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$233.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$261.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$1.04B	USD	Annual
Net Income	`NetIncomeLoss`	$232.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$949.82M	USD	Annual
Depreciation	`Depreciation`	$715.47M	USD	Annual
Depreciation	`Depreciation`	$819.93M	USD	Annual
Depreciation	`Depreciation`	$773.80M	USD	Annual
Deferred Income Taxes	`DeferredIncomeTaxExpenseBenefit`	$174.81M	USD	Annual
Deferred Income Taxes	`DeferredIncomeTaxExpenseBenefit`	$466.46M	USD	Annual
Deferred Income Taxes	`DeferredIncomeTaxExpenseBenefit`	$491.63M	USD	Annual
Bad Debt Expense	`ProvisionForDoubtfulAccounts`	$61.34M	USD	Annual
Bad Debt Expense	`ProvisionForDoubtfulAccounts`	$69.47M	USD	Annual
Bad Debt Expense	`ProvisionForDoubtfulAccounts`	$44.45M	USD	Annual
Pension, SERP and PBOP Expense, Net	`PensionAndOtherPostretirementBenefitExpense`	$22.45M	USD	Annual
Pension, SERP and PBOP Expense, Net	`PensionAndOtherPostretirementBenefitExpense`	$5.50M	USD	Annual
Pension, SERP and PBOP Expense, Net	`PensionAndOtherPostretirementBenefitExpense`	$39.91M	USD	Annual
Pension and PBOP Contributions	`PensionAndOtherPostretirementBenefitContributions`	$194.95M	USD	Annual
Pension and PBOP Contributions	`PensionAndOtherPostretirementBenefitContributions`	$158.74M	USD	Annual
Pension and PBOP Contributions	`PensionAndOtherPostretirementBenefitContributions`	$242.80M	USD	Annual
Regulatory Over/(Under) Recoveries, Net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-13.34M	USD	Annual
Regulatory Over/(Under) Recoveries, Net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$47.94M	USD	Annual
Regulatory Over/(Under) Recoveries, Net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-34.92M	USD	Annual
Amortization of Regulatory Assets, Net	`AmortizationofRegulatoryAssetLiability`	$71.70M	USD	Annual
Amortization of Regulatory Assets, Net	`AmortizationofRegulatoryAssetLiability`	$252.03M	USD	Annual
Amortization of Regulatory Assets, Net	`AmortizationofRegulatoryAssetLiability`	$89.99M	USD	Annual
(Payments)/Refunds Related to Spent Nuclear Fuel, Net	`PaymentsRefundsRelatedtoSpentNuclearFuel`	$59.80M	USD	Annual
(Payments)/Refunds Related to Spent Nuclear Fuel, Net	`PaymentsRefundsRelatedtoSpentNuclearFuel`	$-145.00M	USD	Annual
(Payments)/Refunds Related to Spent Nuclear Fuel, Net	`PaymentsRefundsRelatedtoSpentNuclearFuel`	$145.00M	USD	Point-in-time
(Payments)/Refunds Related to Spent Nuclear Fuel, Net	`PaymentsRefundsRelatedtoSpentNuclearFuel`	-	USD	Annual
Other	`OtherNoncashIncomeExpense`	$204.42M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$111.22M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$118.19M	USD	Annual
Receivables and Unbilled Revenues, Net	`IncreaseDecreaseInReceivables`	$142.70M	USD	Annual
Receivables and Unbilled Revenues, Net	`IncreaseDecreaseInReceivables`	$141.43M	USD	Annual
Receivables and Unbilled Revenues, Net	`IncreaseDecreaseInReceivables`	$117.16M	USD	Annual
Fuel, Materials, Supplies and Inventory	`IncreaseDecreaseInInventories`	$9.22M	USD	Annual
Fuel, Materials, Supplies and Inventory	`IncreaseDecreaseInInventories`	$831.00K	USD	Annual
Fuel, Materials, Supplies and Inventory	`IncreaseDecreaseInInventories`	$-7.75M	USD	Annual
Taxes Receivable/Accrued, Net	`IncreaseDecreaseInIncomeTaxesReceivable`	$-52.28M	USD	Annual
Taxes Receivable/Accrued, Net	`IncreaseDecreaseInIncomeTaxesReceivable`	$67.77M	USD	Annual
Taxes Receivable/Accrued, Net	`IncreaseDecreaseInIncomeTaxesReceivable`	$-234.54M	USD	Annual
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$-14.13M	USD	Annual
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$-22.08M	USD	Annual
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$56.07M	USD	Annual
Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-91.55M	USD	Annual
Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-13.74M	USD	Annual
Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-78.23M	USD	Annual
Net Cash Flows Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$2.00B	USD	Annual
Net Cash Flows Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.78B	USD	Annual
Net Cash Flows Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$2.21B	USD	Annual
Investments in Property, Plant and Equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.98B	USD	Annual
Investments in Property, Plant and Equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$2.35B	USD	Annual
Investments in Property, Plant and Equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$2.52B	USD	Annual
Proceeds from Sales of Marketable Securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$659.34M	USD	Annual
Proceeds from Sales of Marketable Securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$900.75M	USD	Annual
Proceeds from Sales of Marketable Securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$832.90M	USD	Annual
Proceeds from Sales of Marketable Securities Used to Pay Spent Nuclear Fuel Obligation	`ProceedsfromSaleandMaturityofMarketableSecuritiesUsedforPaymentofFuel`	$145.00M	USD	Annual
Proceeds from Sales of Marketable Securities Used to Pay Spent Nuclear Fuel Obligation	`ProceedsfromSaleandMaturityofMarketableSecuritiesUsedforPaymentofFuel`	-	USD	Annual
Proceeds from Sales of Marketable Securities Used to Pay Spent Nuclear Fuel Obligation	`ProceedsfromSaleandMaturityofMarketableSecuritiesUsedforPaymentofFuel`	-	USD	Annual
Purchases of Marketable Securities	`PaymentsToAcquireMarketableSecurities`	$681.27M	USD	Annual
Purchases of Marketable Securities	`PaymentsToAcquireMarketableSecurities`	$810.51M	USD	Annual
Purchases of Marketable Securities	`PaymentsToAcquireMarketableSecurities`	$908.39M	USD	Annual
Acquisition of Aquarion	`PaymentsToAcquireBusinessesGross`	-	USD	Annual
Acquisition of Aquarion	`PaymentsToAcquireBusinessesGross`	-	USD	Annual
Acquisition of Aquarion	`PaymentsToAcquireBusinessesGross`	$877.65M	USD	Annual
Payments to Acquire Investments	`PaymentsToAcquireInvestments`	$32.63M	USD	Annual
Payments to Acquire Investments	`PaymentsToAcquireInvestments`	$205.15M	USD	Annual
Payments to Acquire Investments	`PaymentsToAcquireInvestments`	$188.96M	USD	Annual
Proceeds from the Sale of PSNH Generation Assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Proceeds from the Sale of PSNH Generation Assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$193.92M	USD	Annual
Proceeds from the Sale of PSNH Generation Assets	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-36.21M	USD	Annual
Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-5.48M	USD	Annual
Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-6.75M	USD	Annual
Net Cash Flows Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.23B	USD	Annual
Net Cash Flows Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.39B	USD	Annual
Net Cash Flows Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-2.15B	USD	Annual
Cash Dividends on Common Shares	`PaymentsOfDividendsCommonStock`	$602.08M	USD	Annual
Cash Dividends on Common Shares	`PaymentsOfDividendsCommonStock`	$640.11M	USD	Annual
Cash Dividends on Common Shares	`PaymentsOfDividendsCommonStock`	$564.49M	USD	Annual
Cash Dividends on Preferred Stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$7.52M	USD	Annual
Cash Dividends on Preferred Stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$7.52M	USD	Annual
Cash Dividends on Preferred Stock	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$7.52M	USD	Annual
Increase/(Decrease) in Short-Term Debt	`ProceedsFromRepaymentsOfShortTermDebt`	$72.81M	USD	Annual
Increase/(Decrease) in Short-Term Debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-12.45M	USD	Annual
Increase/(Decrease) in Short-Term Debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-379.31M	USD	Annual
Issuance of Rate Reduction Bonds	`ProceedsFromIssuanceOfRateReductionBonds`	$635.66M	USD	Annual
Issuance of Rate Reduction Bonds	`ProceedsFromIssuanceOfRateReductionBonds`	-	USD	Annual
Issuance of Rate Reduction Bonds	`ProceedsFromIssuanceOfRateReductionBonds`	-	USD	Annual
Issuance of Long-Term Debt	`ProceedsFromIssuanceOfLongTermDebt`	$800.00M	USD	Annual
Issuance of Long-Term Debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.50B	USD	Annual
Issuance of Long-Term Debt	`ProceedsFromIssuanceOfLongTermDebt`	$2.20B	USD	Annual
Retirements of Long-Term Debt	`RepaymentsOfLongTermDebt`	$745.00M	USD	Annual
Retirements of Long-Term Debt	`RepaymentsOfLongTermDebt`	$200.00M	USD	Annual
Retirements of Long-Term Debt	`RepaymentsOfLongTermDebt`	$1.05B	USD	Annual
Other Financing Activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-28.46M	USD	Annual
Other Financing Activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-33.48M	USD	Annual
Other Financing Activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-4.75M	USD	Annual
Net Cash Flows Provided by/(Used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-17.94M	USD	Annual
Net Cash Flows Provided by/(Used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$1.21B	USD	Annual
Net Cash Flows Provided by/(Used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$729.94M	USD	Annual
Net Increase/(Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$123.43M	USD	Annual
Net Increase/(Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-20.86M	USD	Annual
Net Increase/(Decrease) in Cash, Cash Equivalents and Restricted Cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$38.75M	USD	Annual
Cash, Cash Equivalents and Restricted Cash - Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$68.00M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash - Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$209.32M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash - Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.89M	USD	Point-in-time
Cash, Cash Equivalents and Restricted Cash - Beginning of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$106.75M	USD	Point-in-time
Cash and Restricted Cash - End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$68.00M	USD	Point-in-time
Cash and Restricted Cash - End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$209.32M	USD	Point-in-time
Cash and Restricted Cash - End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.89M	USD	Point-in-time
Cash and Restricted Cash - End of Year	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$106.75M	USD	Point-in-time

Stockholders Equity 42 line items

Line Item	Tag	Value	Unit	Period
Dividends on common shares (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$2.02	USD	Annual
Dividends on common shares (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.78	USD	Annual
Dividends on common shares (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.90	USD	Annual
Per share par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$5.00	USD	Point-in-time
Per share par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$5.00	USD	Point-in-time
Per share par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$5.00	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$11.49B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$10.35B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$11.09B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$10.71B	USD	Point-in-time
Net Income	`NetIncomeLoss`	$291.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$239.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$244.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$271.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$995.51M	USD	Annual
Net Income	`NetIncomeLoss`	$262.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$233.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$261.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$1.04B	USD	Annual
Net Income	`NetIncomeLoss`	$232.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$949.82M	USD	Annual
Dividends on Common Stock	`DividendsCommonStock`	$640.11M	USD	Annual
Dividends on Common Stock	`DividendsCommonStock`	$564.49M	USD	Annual
Dividends on Common Stock	`DividendsCommonStock`	$602.08M	USD	Annual
Dividends on Preferred Stock	`DividendsPreferredStock`	$7.52M	USD	Annual
Dividends on Preferred Stock	`DividendsPreferredStock`	$7.52M	USD	Annual
Dividends on Preferred Stock	`DividendsPreferredStock`	$7.52M	USD	Annual
Issuance of Common Shares	`StockIssuedDuringPeriodValueNewIssues`	$-5.56M	USD	Annual
Long-Term Incentive Plan Activity	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$-6.06M	USD	Annual
Long-Term Incentive Plan Activity	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$-10.83M	USD	Annual
Long-Term Incentive Plan Activity	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$-543.00K	USD	Annual
Increase in Treasury Shares	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$-7.79M	USD	Annual
Other Changes in Shareholders' Equity	`Otherchangesinshareholdersequity`	$-449.00K	USD	Annual
Other Changes in Shareholders' Equity	`Otherchangesinshareholdersequity`	$550.00K	USD	Annual
Other Changes in Shareholders' Equity	`Otherchangesinshareholdersequity`	$1.82M	USD	Annual
Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$6.40M	USD	Annual
Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$-1.12M	USD	Annual
Other Comprehensive Income	`OtherComprehensiveIncomeLossNetOfTax`	$1.56M	USD	Annual
Ending balance	`StockholdersEquity`	$11.49B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$10.35B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$11.09B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$10.71B	USD	Point-in-time

Comprehensive Income 29 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$291.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$239.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$244.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$271.40M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$995.51M	USD	Annual
Net Income	`NetIncomeLoss`	$262.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$233.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$261.30M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$1.04B	USD	Annual
Net Income	`NetIncomeLoss`	$232.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$949.82M	USD	Annual
Qualified Cash Flow Hedging Instruments	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$1.76M	USD	Annual
Qualified Cash Flow Hedging Instruments	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$1.97M	USD	Annual
Qualified Cash Flow Hedging Instruments	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$2.14M	USD	Annual
Changes in Unrealized (Losses)/Gains on Marketable Securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$2.29M	USD	Annual
Changes in Unrealized (Losses)/Gains on Marketable Securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-350.00K	USD	Annual
Changes in Unrealized (Losses)/Gains on Marketable Securities	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-547.00K	USD	Annual
Change in Funded Status of Pension, SERP and PBOP Benefit Plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.75M	USD	Annual
Change in Funded Status of Pension, SERP and PBOP Benefit Plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.87M	USD	Annual
Change in Funded Status of Pension, SERP and PBOP Benefit Plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-5.19M	USD	Annual
Other Comprehensive Income/(Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$6.40M	USD	Annual
Other Comprehensive Income/(Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-1.12M	USD	Annual
Other Comprehensive Income/(Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.56M	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Comprehensive Income Attributable to Noncontrolling Interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$943.86M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$986.88M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$1.04B	USD	Annual

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