10-K Filing

EVERSOURCE ENERGY CIK: 72741 FY 2015

Filing Information

Form Type	10-K
Accession Number	`0000072741-16-000063`
Period End Date	20151231
Filing Date	20160226
Fiscal Year	2015
Fiscal Period	FY
XBRL Instance	es-20151231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 78 Income Statement 95 Cash Flow Statement 105 Stockholders Equity 21 Comprehensive Income 29

Balance Sheet 78 line items

Line Item	Tag	Value	Unit	Period
Cash	`Cash`	$43.36M	USD	Point-in-time
Cash	`Cash`	$45.75M	USD	Point-in-time
Cash	`Cash`	$23.95M	USD	Point-in-time
Cash	`Cash`	$38.70M	USD	Point-in-time
Receivables, Net	`AccountsReceivableNetCurrent`	$775.48M	USD	Point-in-time
Receivables, Net	`AccountsReceivableNetCurrent`	$856.35M	USD	Point-in-time
Unbilled Revenues	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$211.76M	USD	Point-in-time
Unbilled Revenues	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$202.65M	USD	Point-in-time
Taxes Receivable	`IncomeTaxesReceivable`	$305.36M	USD	Point-in-time
Taxes Receivable	`IncomeTaxesReceivable`	$337.31M	USD	Point-in-time
Fuel, Materials and Supplies	`EnergyRelatedInventory`	$349.66M	USD	Point-in-time
Fuel, Materials and Supplies	`EnergyRelatedInventory`	$336.48M	USD	Point-in-time
Regulatory Assets Current	`RegulatoryAssetsCurrent`	$672.49M	USD	Point-in-time
Regulatory Assets Current	`RegulatoryAssetsCurrent`	$845.84M	USD	Point-in-time
Prepayments and Other Current Assets	`OtherAssetsCurrent`	$129.03M	USD	Point-in-time
Prepayments and Other Current Assets	`OtherAssetsCurrent`	$226.19M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$2.69B	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$2.62B	USD	Point-in-time
Property, Plant and Equipment, Net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$18.65B	USD	Point-in-time
Property, Plant and Equipment, Net	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$19.89B	USD	Point-in-time
Regulatory Assets Long Term	`RegulatoryAssetsNoncurrent`	$3.74B	USD	Point-in-time
Regulatory Assets Long Term	`RegulatoryAssetsNoncurrent`	$4.05B	USD	Point-in-time
Goodwill	`Goodwill`	$3.52B	USD	Point-in-time
Goodwill	`Goodwill`	$3.52B	USD	Point-in-time
Marketable Securities	`MarketableSecuritiesNoncurrent`	$516.48M	USD	Point-in-time
Marketable Securities	`MarketableSecuritiesNoncurrent`	$515.02M	USD	Point-in-time
Other Long-Term Assets	`OtherAssetsNoncurrent`	$312.37M	USD	Point-in-time
Other Long-Term Assets	`OtherAssetsNoncurrent`	$295.24M	USD	Point-in-time
Total Deferred Debits and Other Assets	`AssetsNoncurrent`	$8.07B	USD	Point-in-time
Total Deferred Debits and Other Assets	`AssetsNoncurrent`	$8.40B	USD	Point-in-time
Total Assets	`Assets`	$29.74B	USD	Point-in-time
Total Assets	`Assets`	$30.58B	USD	Point-in-time
Notes Payable	`NotesPayable`	$1.16B	USD	Point-in-time
Notes Payable	`NotesPayable`	$956.83M	USD	Point-in-time
Long-Term Debt - Current Portion	`LongTermDebtCurrent`	$228.88M	USD	Point-in-time
Long-Term Debt - Current Portion	`LongTermDebtCurrent`	$245.58M	USD	Point-in-time
Accounts Payable - Current	`AccountsPayableCurrent`	$868.23M	USD	Point-in-time
Accounts Payable - Current	`AccountsPayableCurrent`	$813.65M	USD	Point-in-time
Regulatory Liability Current	`RegulatoryLiabilityCurrent`	$235.02M	USD	Point-in-time
Regulatory Liability Current	`RegulatoryLiabilityCurrent`	$107.76M	USD	Point-in-time
Deferred Tax Liabilities Current	`DeferredTaxLiabilitiesCurrent`	$160.29M	USD	Point-in-time
Other Liabilities - Current	`OtherLiabilitiesCurrent`	$678.55M	USD	Point-in-time
Other Liabilities - Current	`OtherLiabilitiesCurrent`	$668.43M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$2.99B	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$3.13B	USD	Point-in-time
Accumulated Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$5.15B	USD	Point-in-time
Accumulated Deferred Income Taxes	`DeferredTaxLiabilitiesNoncurrent`	$4.47B	USD	Point-in-time
Regulatory Liabilities Long-Term	`RegulatoryLiabilityNoncurrent`	$513.60M	USD	Point-in-time
Regulatory Liabilities Long-Term	`RegulatoryLiabilityNoncurrent`	$515.14M	USD	Point-in-time
Long-Term Derivative Liabilities	`DerivativeLiabilitiesNoncurrent`	$337.10M	USD	Point-in-time
Long-Term Derivative Liabilities	`DerivativeLiabilitiesNoncurrent`	$409.63M	USD	Point-in-time
Accrued Pension, SERP and PBOP	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$1.64B	USD	Point-in-time
Accrued Pension, SERP and PBOP	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$1.41B	USD	Point-in-time
Other Long-Term Liabilities	`OtherLiabilitiesNoncurrent`	$874.39M	USD	Point-in-time
Other Long-Term Liabilities	`OtherLiabilitiesNoncurrent`	$871.50M	USD	Point-in-time
Total Deferred Credits and Other Liabilities	`LiabilitiesNoncurrent`	$7.91B	USD	Point-in-time
Total Deferred Credits and Other Liabilities	`LiabilitiesNoncurrent`	$8.28B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$8.57B	USD	Point-in-time
Long-Term Debt	`LongTermDebtNoncurrent`	$8.81B	USD	Point-in-time
Temporary Equity, Carrying Amount, Attributable to Noncontrolling Interest	`RedeemableNoncontrollingInterestEquityPreferredCarryingAmount`	$155.57M	USD	Point-in-time
Temporary Equity, Carrying Amount, Attributable to Noncontrolling Interest	`RedeemableNoncontrollingInterestEquityPreferredCarryingAmount`	$155.57M	USD	Point-in-time
Common Stock	`CommonStockValue`	$1.67B	USD	Point-in-time
Common Stock	`CommonStockValue`	$1.67B	USD	Point-in-time
Capital Surplus, Paid In	`AdditionalPaidInCapital`	$6.24B	USD	Point-in-time
Capital Surplus, Paid In	`AdditionalPaidInCapital`	$6.26B	USD	Point-in-time
Retained Earnings	`RetainedEarningsAccumulatedDeficit`	$2.80B	USD	Point-in-time
Retained Earnings	`RetainedEarningsAccumulatedDeficit`	$2.45B	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-46.00M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-74.01M	USD	Point-in-time
Accumulated Other Comprehensive Loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-66.84M	USD	Point-in-time
Treasury Stock	`TreasuryStockValue`	$-309.98M	USD	Point-in-time
Treasury Stock	`TreasuryStockValue`	$-300.47M	USD	Point-in-time
Common Shareholders' Equity	`StockholdersEquity`	$10.35B	USD	Point-in-time
Common Shareholders' Equity	`StockholdersEquity`	$9.98B	USD	Point-in-time
Total Capitalization	`CapitalizationLongtermDebtAndEquity`	$18.70B	USD	Point-in-time
Total Capitalization	`CapitalizationLongtermDebtAndEquity`	$19.31B	USD	Point-in-time
Total Liabilities and Capitalization	`LiabilitiesAndStockholdersEquity`	$29.74B	USD	Point-in-time
Total Liabilities and Capitalization	`LiabilitiesAndStockholdersEquity`	$30.58B	USD	Point-in-time

Income Statement 95 line items

Line Item	Tag	Value	Unit	Period
Operating Revenues	`Revenues`	$1.88B	USD	1 Quarter
Operating Revenues	`Revenues`	$1.89B	USD	1 Quarter
Operating Revenues	`Revenues`	$1.68B	USD	1 Quarter
Operating Revenues	`Revenues`	$2.51B	USD	1 Quarter
Operating Revenues	`Revenues`	$7.30B	USD	Annual
Operating Revenues	`Revenues`	$1.93B	USD	1 Quarter
Operating Revenues	`Revenues`	$7.74B	USD	Annual
Operating Revenues	`Revenues`	$7.95B	USD	Annual
Operating Revenues	`Revenues`	$1.69B	USD	1 Quarter
Operating Revenues	`Revenues`	$2.29B	USD	1 Quarter
Operating Revenues	`Revenues`	$1.82B	USD	1 Quarter
Purchased Power and Transmission	`CostOfPurchasedPower`	$3.02B	USD	Annual
Purchased Power and Transmission	`CostOfPurchasedPower`	$3.09B	USD	Annual
Purchased Power and Transmission	`CostOfPurchasedPower`	$2.48B	USD	Annual
Operations and Maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.51B	USD	Annual
Operations and Maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.43B	USD	Annual
Operations and Maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$1.33B	USD	Annual
Depreciation	`Depreciation`	$610.78M	USD	Annual
Depreciation	`Depreciation`	$665.86M	USD	Annual
Depreciation	`Depreciation`	$614.66M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationOfRegulatoryAsset`	$22.34M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationOfRegulatoryAsset`	$10.70M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationOfRegulatoryAsset`	$206.32M	USD	Annual
Amortization of Rate Reduction Bonds	`OtherDepreciationAndAmortization`	-	USD	Annual
Amortization of Rate Reduction Bonds	`OtherDepreciationAndAmortization`	-	USD	Annual
Amortization of Rate Reduction Bonds	`OtherDepreciationAndAmortization`	$42.58M	USD	Annual
Energy Efficiency Programs	`EnergyEfficiencyPrograms`	$495.70M	USD	Annual
Energy Efficiency Programs	`EnergyEfficiencyPrograms`	$473.13M	USD	Annual
Energy Efficiency Programs	`EnergyEfficiencyPrograms`	$401.92M	USD	Annual
Taxes Other Than Income Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$590.57M	USD	Annual
Taxes Other Than Income Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$561.38M	USD	Annual
Taxes Other Than Income Taxes	`TaxesExcludingIncomeAndExciseTaxes`	$512.23M	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$5.77B	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$6.11B	USD	Annual
Total Operating Expenses	`OperatingExpenses`	$6.19B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$497.50M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$1.53B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$469.20M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$385.50M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$1.63B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$294.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$1.76B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$412.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$440.90M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$430.20M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$467.70M	USD	1 Quarter
Total Interest Expense	`InterestExpense`	$372.42M	USD	Annual
Total Interest Expense	`InterestExpense`	$362.11M	USD	Annual
Total Interest Expense	`InterestExpense`	$338.70M	USD	Annual
Other Income/(Loss), Net	`NonoperatingIncomeExpense`	$34.23M	USD	Annual
Other Income/(Loss), Net	`NonoperatingIncomeExpense`	$24.62M	USD	Annual
Other Income/(Loss), Net	`NonoperatingIncomeExpense`	$29.89M	USD	Annual
Income Before Income Tax Expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$1.43B	USD	Annual
Income Before Income Tax Expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$1.30B	USD	Annual
Income Before Income Tax Expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic`	$1.22B	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$539.97M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$468.30M	USD	Annual
Income Tax Expense	`IncomeTaxExpenseBenefit`	$426.94M	USD	Annual
Net Income	`NetIncomeLoss`	$886.00M	USD	Annual
Net Income	`NetIncomeLoss`	$237.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$223.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$255.10M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$236.50M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$129.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$237.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$183.70M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$793.69M	USD	Annual
Net Income	`NetIncomeLoss`	$827.07M	USD	Annual
Net Income	`NetIncomeLoss`	$209.40M	USD	1 Quarter
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.68M	USD	Annual
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Net Income Attributable to Controlling Interests	`NetIncomeLossAvailableToCommonStockholdersBasic`	$221.50M	USD	1 Quarter
Net Income Attributable to Controlling Interests	`NetIncomeLossAvailableToCommonStockholdersBasic`	$127.40M	USD	1 Quarter
Net Income Attributable to Controlling Interests	`NetIncomeLossAvailableToCommonStockholdersBasic`	$878.49M	USD	Annual
Net Income Attributable to Controlling Interests	`NetIncomeLossAvailableToCommonStockholdersBasic`	$236.00M	USD	1 Quarter
Net Income Attributable to Controlling Interests	`NetIncomeLossAvailableToCommonStockholdersBasic`	$819.55M	USD	Annual
Net Income Attributable to Controlling Interests	`NetIncomeLossAvailableToCommonStockholdersBasic`	$234.60M	USD	1 Quarter
Net Income Attributable to Controlling Interests	`NetIncomeLossAvailableToCommonStockholdersBasic`	$207.50M	USD	1 Quarter
Net Income Attributable to Controlling Interests	`NetIncomeLossAvailableToCommonStockholdersBasic`	$786.01M	USD	Annual
Net Income Attributable to Controlling Interests	`NetIncomeLossAvailableToCommonStockholdersBasic`	$235.90M	USD	1 Quarter
Net Income Attributable to Controlling Interests	`NetIncomeLossAvailableToCommonStockholdersBasic`	$253.30M	USD	1 Quarter
Net Income Attributable to Controlling Interests	`NetIncomeLossAvailableToCommonStockholdersBasic`	$181.80M	USD	1 Quarter
Basic Earnings Per Common Share	`EarningsPerShareBasic`	$2.59	USD	Annual
Basic Earnings Per Common Share	`EarningsPerShareBasic`	$2.77	USD	Annual
Basic Earnings Per Common Share	`EarningsPerShareBasic`	$2.49	USD	Annual
Diluted Earnings Per Common Share	`EarningsPerShareDiluted`	$2.58	USD	Annual
Diluted Earnings Per Common Share	`EarningsPerShareDiluted`	$2.49	USD	Annual
Diluted Earnings Per Common Share	`EarningsPerShareDiluted`	$2.76	USD	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	316.14M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	315.31M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	317.34M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	317.42M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	316.21M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	318.43M	shares	Annual

Cash Flow Statement 105 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$886.00M	USD	Annual
Net Income	`NetIncomeLoss`	$237.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$223.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$255.10M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$236.50M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$129.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$237.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$183.70M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$793.69M	USD	Annual
Net Income	`NetIncomeLoss`	$827.07M	USD	Annual
Net Income	`NetIncomeLoss`	$209.40M	USD	1 Quarter
Depreciation	`Depreciation`	$610.78M	USD	Annual
Depreciation	`Depreciation`	$665.86M	USD	Annual
Depreciation	`Depreciation`	$614.66M	USD	Annual
Deferred Income Tax Expense (Benefit)	`DeferredIncomeTaxExpenseBenefit`	$491.74M	USD	Annual
Deferred Income Tax Expense (Benefit)	`DeferredIncomeTaxExpenseBenefit`	$443.26M	USD	Annual
Deferred Income Tax Expense (Benefit)	`DeferredIncomeTaxExpenseBenefit`	$431.41M	USD	Annual
Pension, SERP and PBOP Expense	`PensionAndOtherPostretirementBenefitExpense`	$96.02M	USD	Annual
Pension, SERP and PBOP Expense	`PensionAndOtherPostretirementBenefitExpense`	$195.70M	USD	Annual
Pension, SERP and PBOP Expense	`PensionAndOtherPostretirementBenefitExpense`	$99.06M	USD	Annual
Pension and PBOP Contributions	`PensionAndOtherPostretirementBenefitContributions`	$162.45M	USD	Annual
Pension and PBOP Contributions	`PensionAndOtherPostretirementBenefitContributions`	$211.65M	USD	Annual
Pension and PBOP Contributions	`PensionAndOtherPostretirementBenefitContributions`	$342.18M	USD	Annual
Regulatory Over/(Under) Recoveries, Net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$163.29M	USD	Annual
Regulatory Over/(Under) Recoveries, Net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$24.28M	USD	Annual
Regulatory Over/(Under) Recoveries, Net	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-6.85M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationOfRegulatoryAsset`	$22.34M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationOfRegulatoryAsset`	$10.70M	USD	Annual
Amortization of Regulatory Assets/(Liabilities), Net	`AmortizationOfRegulatoryAsset`	$206.32M	USD	Annual
Amortization of Rate Reduction Bonds	`OtherDepreciationAndAmortization`	-	USD	Annual
Amortization of Rate Reduction Bonds	`OtherDepreciationAndAmortization`	-	USD	Annual
Amortization of Rate Reduction Bonds	`OtherDepreciationAndAmortization`	$42.58M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$39.52M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-91.94M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$56.07M	USD	Annual
(Payments)/Refunds Related to Spent Nuclear Fuel	`PaymentRefundRelatedtoSpentNuclearFuel`	$-297.25M	USD	Point-in-time
(Payments)/Refunds Related to Spent Nuclear Fuel	`PaymentRefundRelatedtoSpentNuclearFuel`	$132.14M	USD	Point-in-time
Receivables and Unbilled Revenues, Net	`IncreaseDecreaseInReceivables`	$122.14M	USD	Annual
Receivables and Unbilled Revenues, Net	`IncreaseDecreaseInReceivables`	$39.80M	USD	Annual
Receivables and Unbilled Revenues, Net	`IncreaseDecreaseInReceivables`	$163.55M	USD	Annual
Increase Decrease in Fuel, Materials and Supplies	`IncreaseDecreaseInInventories`	$-34.11M	USD	Annual
Increase Decrease in Fuel, Materials and Supplies	`IncreaseDecreaseInInventories`	$14.81M	USD	Annual
Increase Decrease in Fuel, Materials and Supplies	`IncreaseDecreaseInInventories`	$41.31M	USD	Annual
Taxes Receivable/(Accrued)	`IncreaseDecreaseInIncomeTaxesReceivable`	$50.95M	USD	Annual
Taxes Receivable/(Accrued)	`IncreaseDecreaseInIncomeTaxesReceivable`	$323.22M	USD	Annual
Taxes Receivable/(Accrued)	`IncreaseDecreaseInIncomeTaxesReceivable`	$-30.28M	USD	Annual
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$-54.62M	USD	Annual
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$144.74M	USD	Annual
Accounts Payable	`IncreaseDecreaseInAccountsPayable`	$-91.62M	USD	Annual
Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-15.80M	USD	Annual
Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$22.62M	USD	Annual
Other Current Assets and Liabilities, Net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-44.03M	USD	Annual
Net Cash Flows Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.64B	USD	Annual
Net Cash Flows Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.66B	USD	Annual
Net Cash Flows Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.42B	USD	Annual
Investments in Property, Plant and Equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.60B	USD	Annual
Investments in Property, Plant and Equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.72B	USD	Annual
Investments in Property, Plant and Equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.46B	USD	Annual
Proceeds from Sales of Marketable Securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$799.16M	USD	Annual
Proceeds from Sales of Marketable Securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$488.79M	USD	Annual
Proceeds from Sales of Marketable Securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$627.53M	USD	Annual
Purchases of Marketable Securities	`PaymentsToAcquireMarketableSecurities`	$679.78M	USD	Annual
Purchases of Marketable Securities	`PaymentsToAcquireMarketableSecurities`	$717.11M	USD	Annual
Purchases of Marketable Securities	`PaymentsToAcquireMarketableSecurities`	$491.22M	USD	Annual
Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$17.06M	USD	Annual
Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-14.38M	USD	Annual
Other Investing Activities	`PaymentsForProceedsFromOtherInvestingActivities`	$-67.82M	USD	Annual
Net Cash Flows Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.59B	USD	Annual
Net Cash Flows Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.66B	USD	Annual
Net Cash Flows Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.44B	USD	Annual
Cash Dividends on Common Stock	`PaymentsOfDividendsCommonStock`	$462.74M	USD	Annual
Cash Dividends on Common Stock	`PaymentsOfDividendsCommonStock`	$475.23M	USD	Annual
Cash Dividends on Common Stock	`PaymentsOfDividendsCommonStock`	$529.79M	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`	$7.68M	USD	Annual
Increase/(Decrease) in Short-Term Debt	`ProceedsFromRepaymentsOfShortTermDebt`	$285.07M	USD	Annual
Increase/(Decrease) in Short-Term Debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-397.00M	USD	Annual
Increase/(Decrease) in Short-Term Debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-242.12M	USD	Annual
Issuance of Long-Term Debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.68B	USD	Annual
Issuance of Long-Term Debt	`ProceedsFromIssuanceOfLongTermDebt`	$725.00M	USD	Annual
Issuance of Long-Term Debt	`ProceedsFromIssuanceOfLongTermDebt`	$1.23B	USD	Annual
Retirements of Long-Term Debt	`RepaymentsOfLongTermDebt`	$576.55M	USD	Annual
Retirements of Long-Term Debt	`RepaymentsOfLongTermDebt`	$216.70M	USD	Annual
Retirements of Long-Term Debt	`RepaymentsOfLongTermDebt`	$929.88M	USD	Annual
Retirements of Rate Reduction Bonds	`RepaymentsOfSecuredDebt`	-	USD	Annual
Retirements of Rate Reduction Bonds	`RepaymentsOfSecuredDebt`	$82.14M	USD	Annual
Retirements of Rate Reduction Bonds	`RepaymentsOfSecuredDebt`	-	USD	Annual
Other Financing Activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-8.50M	USD	Annual
Other Financing Activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$-25.25M	USD	Annual
Other Financing Activities	`ProceedsFromPaymentsForOtherFinancingActivities`	$883.00K	USD	Annual
Net Cash Flows Provided by/(Used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$220.37M	USD	Annual
Net Cash Flows Provided by/(Used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-224.70M	USD	Annual
Net Cash Flows Provided by/(Used in) Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-48.34M	USD	Annual
Net Increase/(Decrease) in Cash	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-14.76M	USD	Annual
Net Increase/(Decrease) in Cash	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-4.66M	USD	Annual
Net Increase/(Decrease) in Cash	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-2.38M	USD	Annual
Cash - Beginning of Year	`Cash`	$43.36M	USD	Point-in-time
Cash - Beginning of Year	`Cash`	$45.75M	USD	Point-in-time
Cash - Beginning of Year	`Cash`	$23.95M	USD	Point-in-time
Cash - Beginning of Year	`Cash`	$38.70M	USD	Point-in-time
Cash - End of Year	`Cash`	$43.36M	USD	Point-in-time
Cash - End of Year	`Cash`	$45.75M	USD	Point-in-time
Cash - End of Year	`Cash`	$23.95M	USD	Point-in-time
Cash - End of Year	`Cash`	$38.70M	USD	Point-in-time

Stockholders Equity 21 line items

Line Item	Tag	Value	Unit	Period
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	316.98M	shares	Point-in-time
Common Stock, Shares, Outstanding	`CommonStockSharesOutstanding`	317.19M	shares	Point-in-time
Net Income	`NetIncomeLoss`	$886.00M	USD	Annual
Net Income	`NetIncomeLoss`	$237.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$223.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$255.10M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$236.50M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$129.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$237.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$183.70M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$793.69M	USD	Annual
Net Income	`NetIncomeLoss`	$827.07M	USD	Annual
Net Income	`NetIncomeLoss`	$209.40M	USD	1 Quarter
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$7.17M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$-27.98M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax	`OtherComprehensiveIncomeLossNetOfTax`	$26.82M	USD	Annual
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.68M	USD	Annual
Net Income Attributable to Noncontrolling Interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.52M	USD	Annual
SharesIssuedInConnectionWithNstarMerger	`Sharesissuedinconnectionwithnstarmerger`	-	shares	Annual
SharesIssuedValueInConectionWithNstarMerger	`Sharesissuedvalueinconectionwithnstarmerger`	-	USD	Annual

Comprehensive Income 29 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$886.00M	USD	Annual
Net Income	`NetIncomeLoss`	$237.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$223.60M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$255.10M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$236.50M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$129.20M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$237.80M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$183.70M	USD	1 Quarter
Net Income	`NetIncomeLoss`	$793.69M	USD	Annual
Net Income	`NetIncomeLoss`	$827.07M	USD	Annual
Net Income	`NetIncomeLoss`	$209.40M	USD	1 Quarter
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$2.04M	USD	Annual
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$2.08M	USD	Annual
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$2.05M	USD	Annual
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$315.00K	USD	Annual
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-940.00K	USD	Annual
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax`	$-2.59M	USD	Annual
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$7.67M	USD	Annual
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-30.33M	USD	Annual
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$25.71M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax, Total	`OtherComprehensiveIncomeLossNetOfTax`	$7.17M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax, Total	`OtherComprehensiveIncomeLossNetOfTax`	$-27.98M	USD	Annual
Other Comprehensive Income (Loss), Net of Tax, Total	`OtherComprehensiveIncomeLossNetOfTax`	$26.82M	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`	$7.68M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$791.57M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$812.83M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTax`	$885.65M	USD	Annual

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