Statement of Comprehensive Income [Abstract]
Statement [Table]
Statement [Table]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
PSE And G [Member]
Pse And G [Member]
PSE and G [Member]
Power [Member]
Power [Member]
Power [Member]
Statement [Line Items]
Statement [Line Items]
Unrealized Gains (Losses) on Available-for-Sale Securities, tax
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax
Unrealized Gains (Losses) on Cash Flow Hedges, tax
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax
Pension/OPEB adjustment, tax
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax
Segment Reporting [Abstract]
Financial Information By Business Segments
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Earnings Per Share [Abstract]
DIVIDENDS PAID PER SHARE OF COMMON STOCK (in dollars per share)
Common Stock, Dividends, Per Share, Cash Paid
Dividend Payments on Common Stock
Payments of Ordinary Dividends, Common Stock
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Basis of Presentation
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Income Tax Disclosure [Abstract]
Schedule Of Effective Tax Rates
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Accounting Policies [Abstract]
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Recent Accounting Standards
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]
Statement of Financial Position [Abstract]
Accounts Receivable, allowances
Allowance for Doubtful Accounts Receivable, Current
Common Stock, issued
Common Stock, Shares, Issued
Common Stock, outstanding
Common Stock, Shares, Outstanding
Common Stock, authorized
Common Stock, Shares Authorized
Treasury Stock, Shares
Treasury Stock, Shares
Commitments and Contingencies Disclosure [Abstract]
Long-term Purchase Commitment [Table]
Long-term Purchase Commitment [Table]
Category of Item Purchased [Axis]
Category of Item Purchased [Axis]
Long-term Purchase Commitment, Category of Item Purchased [Domain]
Long-term Purchase Commitment, Category of Item Purchased [Domain]
Auction Year 2014 [Member]
Auction Year 2014 [Member]
Auction Year 2014 [Member]
Auction Year 2015 [Member]
Auction Year 2015 [Member]
Auction Year 2015 [Member]
Auction Year 2016 [Member]
Auction Year 2016 [Member]
Auction Year 2016 [Member]
Auction Year 2017 [Member]
Auction Year 2017 [Member]
Auction Year 2017 [Member]
Long-term Purchase Commitment [Line Items]
Long-term Purchase Commitment [Line Items]
Dollars Per Megawatt-Day
Dollars Per Megawatt-Day
Dollars Per Megawatt-Day
36-Month Terms Ending
Long-term Contract for Purchase of Electric Power, Date of Contract Expiration
Load (MW)
Load Megawatt
Load Megawatt
Dollars Per Megawatt Hour
Dollars Per Megawatt Hour
Dollars Per Megawatt Hour
Number of cubic feet in gas hedging permitted to be recovered by BPU
Number Of Cubic Feet In Gas Hedging Permitted To Be Recovered By Bpu
Number of cubic feet in gas hedging permitted to be recovered by BPU.
Percentage of residential gas supply permitted to be recovered in gas hedging by BPU
Percentage Of Residential Gas Supply Permitted To Be Recovered In Gas Hedging By Bpu
Percentage of residential gas supply permitted to be recovered in gas hedging by BPU.
Number of cubic feet to be hedged
Number Of Cubic Feet To Be Hedged
Number of cubic feet to be hedged
Percentage of annual residential gas supply requirements to be hedged
Percentage Of Annual Residential Gas Supply Requirements To Be Hedged
Percentage of annual residential gas supply requirements to be hedged
Other Income and Expenses [Abstract]
Component of Other Deductions [Table]
Component of Other Deductions [Table]
Component of Other Deductions [Table]
Other Entities [Member]
Other Entities [Member]
Other Entities [Member]
Component of Other Deductions [Line Items]
Component of Other Deductions [Line Items]
[Line Items] for Component of Other Deductions [Table]
NDT Fund Realized Losses and Expenses
Ndt Funds Losses And Expenses
NDT Funds Losses And Expenses
Other
Other Nonoperating Expense Other
Other Non operating Expense Other
Total Other Deductions
Other Nonoperating Expense
Fair Value Disclosures [Abstract]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
PSEG [Member]
Parent Company [Member]
Business Segments [Axis]
Segments [Axis]
Segment [Domain]
Segments [Domain]
Power - Recourse Debt [Member]
Power Recourse Debt [Member]
Power Recourse Debt [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-Term Debt, Carrying Amount
Long-term Debt
Long-Term Debt, Fair Value
Long-term Debt, Fair Value
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Guarantee Party [Axis]
Guarantee Party [Axis]
Guarantee Party [Axis]
Guarantee Party [Domain]
Guarantee Party [Domain]
Guarantee Party [Domain]
Power Parent [Member]
Power Parent [Member]
Power Parent [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Power Senior Notes [Member]
Power Senior Notes [Member]
Power Senior Notes [Member]
Guarantor Subsidiaries [Member]
Guarantor Subsidiaries [Member]
Non-Guarantor Subsidiaries [Member]
Non-Guarantor Subsidiaries [Member]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Consolidating Adjustments [Member]
Consolidation, Eliminations [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Operating Revenues
Revenues
Operating Expenses
Operating Expenses
Operating Income (Loss)
Operating Income (Loss)
Equity Earnings (Losses) of Subsidiaries
Income (Loss) from Equity Method Investments
Other Income
Other Nonoperating Income
Other Deductions
Other-Than-Temporary Impairments
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities
Interest Expense
Interest Expense
Income Tax Benefit (Expense)
Income Tax Expense (Benefit)
Net Income (Loss)
Net Income (Loss) Attributable to Parent
Comprehensive Income (Loss)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Net Cash Provided By (Used In) Operating Activities
Net Cash Provided by (Used in) Operating Activities
Net Cash Provided By (Used In) Investing Activities
Net Cash Provided by (Used in) Investing Activities
Net Cash Provided By (Used In) Financing Activities
Net Cash Provided by (Used in) Financing Activities
Current Assets
Assets, Current
Property, Plant and Equipment, net
Public Utilities, Property, Plant and Equipment, Net
Investment in Subsidiaries
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures
Noncurrent Assets
Assets, Noncurrent
Total Assets
Assets
Current Liabilities
Liabilities, Current
Noncurrent Liabilities
Liabilities, Noncurrent
Long-Term Debt
Long-term Debt, Excluding Current Maturities
Member's Equity
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
TOTAL LIABILITIES AND CAPITALIZATION
Liabilities and Equity
Rate Filings [Abstract]
Rate Filings [Abstract]
Schedule of Regulatory Assets [Table]
Schedule of Regulatory Assets [Table]
Regulatory Assets [Line Items]
Regulatory Assets [Line Items]
Rate Filings
Public Utilities Disclosure [Text Block]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Schedule of Changes in Accumulated Other Comprehensive Income by Component
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Reclassifications out of Accumulated Other Comprehensive Income
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Receivables [Abstract]
Schedule Of Financial Receivables [Table]
Schedule Of Financial Receivables [Table]
Schedule Of Financial Receivables [Table]
Credit Rating, Standard & Poor's [Axis]
Credit Rating, Standard & Poor's [Axis]
External Credit Rating, Standard & Poor's [Domain]
External Credit Rating, Standard & Poor's [Domain]
Standard & Poor's, AA Rating [Member]
Standard & Poor's, AA Rating [Member]
Standard & Poor's, BBB plus - BBB - Rating [Member]
Standard & Poor's, BBB Rating [Member]
Standard & Poor's, BB- Rating [Member]
Standard & Poor's, BB- Rating [Member]
Standard & Poor's, CCC minus Rating [Member]
Standard & Poor's, CCC- Rating [Member]
Energy Holdings [Member]
Energy Holdings [Member]
Energy Holdings [Member]
Schedule of Financial Receivables [Line Items]
Schedule of Financial Receivables [Line Items]
Schedule of Financial Receivables [Line Items]
Lease Receivables (net of Non-Recourse Debt)
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Rental Receivables, Net
Compensation and Retirement Disclosure [Abstract]
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Pension and Other Postretirement Benefits (OPEB)
Pension and Other Postretirement Benefits Disclosure [Text Block]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Operating Segments [Member]
Operating Segments [Member]
Eliminations [Member]
Intersegment Eliminations [Member]
Other [Member]
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Net Income (Loss)
Property, Plant and Equipment, Additions
Property, Plant and Equipment, Additions
Total Assets
Investments in Equity Method Subsidiaries
Segment Reporting Investments In Equity Method Subsidiaries
Segment Reporting Investments In Equity Method Subsidiaries
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Investments, Debt and Equity Securities [Abstract]
Schedule of Available-for-sale Securities [Table]
Schedule of Available-for-sale Securities [Table]
Available-for-Sale Securities Type of Trust [Axis]
Available For Sale Securities Type Of Trust [Axis]
Available-for-Sale Securities Type of Trust [Axis]
Available For Sale Securities Type Of Trust [Domain]
Available For Sale Securities Type Of Trust [Domain]
Available-for-Sale Securities Type of Trust [Domain]
Nuclear Decommissioning Trust (NDT) Fund [Member]
Nuclear Decommissioning Trust Ndt Funds [Member]
Nuclear Decommissioning Trust (NDT) Funds [Member]
Rabbi Trust [Member]
Rabbi Trust [Member]
Rabbi Trust [Member]
Schedule of Available-for-sale Securities [Line Items]
Schedule of Available-for-sale Securities [Line Items]
Accounts Receivable
Accounts Receivable, Net
Accounts Payable
Accounts Payable
Schedule of Variable Interest Entities [Table]
Schedule of Variable Interest Entities [Table]
Long Island ServCo [Member]
Long Island ServCo [Member]
Long Island ServCo [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity [Line Items]
Operation and Maintenance
Utilities Operating Expense, Maintenance and Operations
Fair Value Measurements
Fair Value Disclosures [Text Block]
Site Contingency [Table]
Site Contingency [Table]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Environmental Remediation Contingency [Axis]
Environmental Remediation Contingency [Axis]
Environmental Remediation Contingency [Domain]
Environmental Remediation Contingency [Domain]
Psd Nsr Regulations Site Contingency [Member]
Psd Nsr Regulations Site Contingency [Member]
Psd Nsr Regulations Site Contingency [Member]
Pse G S Former Mgp Sites [Member]
Pse G S Former Mgp Sites [Member]
PSE&G's former MGP sites [Member]
Passaic River Site Contingency [Member]
Passaic River Site Contingency [Member]
Passaic River Site Contingency [Member]
Passaic River Site targeted remedy [Member]
Passaic River Site targeted remedy [Member]
Passaic River Site targeted remedy [Member]
Mgp Remediation Site Contingency [Member]
Mgp Remediation Site Contingency [Member]
MGP Remediation Site Contingency [Member]
Remedial Investigation And Feasibility Study [Member]
Remedial Investigation And Feasibility Study [Member]
Remedial Investigation And Feasibility Study [Member]
Passaic River mile 10.9 contaminant removal [Member]
Passaic River mile 10.9 contaminant removal [Member]
Passaic River mile 10.9 contaminant removal [Member]
Site Contingency [Line Items]
Site Contingency [Line Items]
Number of miles related to the Passaic River constituting a facility as determined by the US Environmental Protection Agency
Number Of Miles Pertaining To Passaic River Facility As Determined By Epa
Number of miles pertaining to Passaic River facility as determined by EPA
Number of miles on Passaic River tidal reach required to be studied as determined by the US Environmental Protection Agency
Number Of Miles Pertaining To Passaic River Tidal Reach Required To Be Studied By Epa
Number of miles pertaining to Passaic River tidal reach required to be studied by EPA
Number of former generating electric station
Number Of Former Generating Electric Station
Number of former generating electric station
Number of former Manufactured Gas Plant (MGP) sites
Number Of Former Manufactured Gas Plant Mgp Sites
Number of former Manufactured Gas Plant (MGP) sites.
Number of potentially responsible parties ("PRPs") in connection with environmental liabilities for operations conducted near Passaic River
Number Of Potentially Responsible Parties In Connection With Environmental Liabilities For Operations Conducted Near Passaic River
Number of potentially responsible parties in connection with environmental liabilities for operations conducted near Passaic River
Loss Contingency, Estimate of Possible Loss
Loss Contingency, Estimate of Possible Loss
Percentage of cost attributable to potentially responsible party
Percentage Of Cost Attributable To Potentially Responsible Party
Percentage Of Cost Attributable To Potentially Responsible Party
Estimated, total cost of the study
Estimated Total Cost Of Study High End of Range
Estimated, Total Cost of Study High End of Range
Total Spend of Study to date
Total Spend of Study to date
Total Spend of Study to date
Company Share of Total Spend of Study to date
Company Share of Total Spend of Study to date
Company Share of Total Spend of Study to date
Estimated Cleanup Costs EPA Preferred Method
Estimated Cleanup Costs EPA Preferred Method
Estimated Cleanup Costs EPA Preferred Method
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)
Accrual for Environmental Loss Contingencies
Accrual for Environmental Loss Contingencies
Cash out settlement offer for PRPs with minimal responsibility
Cash out settlement offer for PRPs with minimal responsibility
Cash out settlement offer for PRPs with minimal responsibility
CPG Targeted Method Cleanup Costs Low Estimate
CPG Targeted Method Cleanup Costs Low Estimate
CPG Targeted Method Cleanup Costs Low Estimate
Number Of Additional Potentially Responsible Parties Directed By New Jersey Department Of Environmental Protection To Arrange Damage Assessment For Lower Passaic River
Number Of Additional Potentially Responsible Parties Directed By New Jersey Department Of Environmental Protection To Arrange Damage Assessment For Lower Passaic River
Number Of Additional Potentially Responsible Parties Directed By New Jersey Department Of Environmental Protection To Arrange Damage Assessment For Lower Passaic River
Estimated cleanup costs agreed to by two potentially responsible parties
Estimated Cleanup Costs Agreed To By Two Potentially Responsible Parties
Estimated Cleanup Costs Agreed To By Two Potentially Responsible Parties
Estimated Total Cost Of Study Low End of Range
Estimated Total Cost Of Study Low End of Range
Estimated Total Cost Of Study Low End of Range
Number of additional legal entities contacted by EPA in conjunction with Newark Bay study area contamination
Number Of Additional Legal Entities Contacted By Epa In Conjunction With Newark Bay Study Area Contamination
Number Of Additional Legal Entities Contacted By EPA In Conjunction With Newark Bay Study Area Contamination
Estimated cost of interim natural resource injury restoration
Estimated Cost Of Interim Natural Resource Injury Restoration
Estimated Cost Of Interim Natural Resource Injury Restoration
Number of operating electric generating stations located on Hackensack River
Number Of Operating Electric Generating Stations Located On Hackensack River In Conjunction With Newark Bay Study Area Contamination
Number Of Operating Electric Generating Stations Located On Hackensack River In Conjunction With Newark Bay Study Area Contamination
Number of former MGP contamination sites located on Hackensack river in conjunction with Newark Bay study area contamination
Number Of Former Mgp Contamination Sites Located On Hackensack River In Conjunction With Newark Bay Study Area Contamination
Number Of Former MGP Contamination Sites Located On Hackensack River In Conjunction With Newark Bay Study Area Contamination
Penalty per day from date of violation-minimum
Penalty Per Day From Date Of Violation Minimum
Penalty Per Day From Date Of Violation Minimum
Penalty per day from date of violation-maximum
Penalty Per Day From Date Of Violation Maximum
Penalty Per Day From Date Of Violation Maximum
Ownership percentage of Keystone Coal fired plant in Pennsylvania
Ownership Percentage Of Keystone Coal Fired Plant In Pennsylvania
Ownership percentage of Keystone Coal fired plant in Pennsylvania
Remediation Liability Recorded As Other Current Liabilities
Remediation Liability Recorded As Other Current Liabilities
Remediation Liability Recorded As Other Current Liabilities
Remediation Liability Recorded As Other Noncurrent Liabilities
Remediation Liability Recorded As Other Noncurrent Liabilities
Remediation Liability Recorded As Other Noncurrent Liabilities
Regulatory Assets
Regulatory Assets
Related Party Transactions [Abstract]
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Receivable from PSE&G
Receivable from Affiliate Through BGS and BGSS Contracts
Receivable from Affiliate Through BGS and BGSS Contracts
Receivable From PSEG
Receivable From Parent
Receivable from PSEG
Due from Affiliate, Current
Due from Affiliate, Current
Payable To Services
Payable To Affiliate For Services
Payable to affiliate for services.
Payable to PSEG
Payable to Parent
Payable to Parent
Accounts Payable - Affiliated Companies
Due to Affiliate, Current
Short Term Loan To Affiliate
Short Term Loan To Affiliate
Short-Term Loan to Affiliate
Working Capital Advances to Services
Advances to Affiliate
Long-Term Accrued Taxes Payable
Accounts Payable, Related Parties, Noncurrent
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Domain]
Major Types of Debt and Equity Securities [Domain]
Debt Securities [Member]
Debt Securities [Member]
Number of Nuclear Facilities
Number of Nuclear Facilities
Number of Nuclear Facilities
Other-Than-Temporary Impairments
After tax amount of net unrealized gains recognized in AOCI
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent
Asset Class [Axis]
Asset Class [Axis]
Fair Value by Asset Class [Domain]
Asset Class [Domain]
Net Derivative Assets [Member]
Net Derivative Assets [Member]
Net Derivative Assets Member
Measurement Units [Axis]
Measurement Units [Axis]
Measurement Units [Axis]
Measurement Units [Domain]
Measurement Units [Domain]
Measurement Units [Domain]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers, Net
Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Trading Revenue
Fair Value Assets And Liabilities Measured On Recurring Basis Gain Loss Included In Trading Revenue
FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInTradingRevenue
Net assets measured at fair value on a recurring basis
Net Assets Measured At Fair Value On A Recurring Basis
Net Assets Measured At Fair Value On A Recurring Basis
Net assets measured at fair value on a recurring basis measured using unobservable input and as Level 3
Net Assets Measured At Fair Value On A Recurring Basis Measured Using Unobservable Input And Classified As Level3
Net Assets Measured At Fair Value On A Recurring Basis Measured Using Unobservable Input And Classified As Level3
Loss Contingencies [Table]
Loss Contingencies [Table]
Loss Contingency Nature [Axis]
Loss Contingency Nature [Axis]
Loss Contingency, Nature [Domain]
Loss Contingency, Nature [Domain]
FERC Compliance [Domain]
Regulatory Agency [Domain]
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Loss Contingency related to bidding errors
Loss Contingency, Loss in Period
Clean Energy Program, current portion
Clean Energy Program Current
Carrying value on the balance sheet for obligations of less than one year for renewable energy and energy efficiency programs the company is obligated to participate.
Equity Securities [Member]
Equity Securities [Member]
Government [Member]
US States and Political Subdivisions Debt Securities [Member]
Corporate [Member]
Other Debt Obligations [Member]
Total Debt Securities [Member]
Debt Securities Total [Member]
Debt Securities Total [Member]
Other Securities [Member]
Other Securities [Member]
Other Securities Member
Cost
Available-for-sale Securities, Amortized Cost Basis
Gross Unrealized Gains
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax
Gross Unrealized Losses
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
Fair Value
Available-for-sale Securities
Statement of Cash Flows [Abstract]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net Income (Loss)
Adjustments to Reconcile Net Income to Net Cash Flows from Operating Activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and Amortization
Depreciation, Depletion and Amortization
Amortization of Nuclear Fuel
Amortization Of Nuclear Fuel
Amortization of nuclear fuel.
Renewable Energy Credit Compliance Accrual
Amortization of Intangible Assets
Provision for Deferred Income Taxes and ITC
Deferred Income Taxes and Tax Credits
Interest Accretion on Asset Retirement Obligations
Accretion Expense, Including Asset Retirement Obligations
Non-Cash Employee Benefit Plan Costs
Pension and Other Postretirement Benefit Expense
Leveraged Lease Income, Adjusted for Rents Received and Deferred Taxes
Leveraged Leases, Income (Loss)
Loss on Leases, net of tax
Provision for Loan, Lease, and Other Losses
Net Unrealized (Gains) Losses on Energy Contracts and Other Derivatives
Realized Unrealized Gain Loss On Derivatives And Commodity Contracts
Adjustment on the fair value of derivatives and commodity contracts resulting from changes in market prices from the time contracts are entered to the time of the reporting period.
Net Change in Other Regulatory Assets and Liabilities
Increase (Decrease) in Regulatory Assets and Liabilities
Cost of Removal
Payments for (Proceeds from) Removal Costs
Net Realized (Gains) Losses and (Income) Expense from NDT Fund
Net Realized Gains Losses And Income Expense From Nuclear Decommissioning Trust Funds
Net Realized Gains Losses And Income Expense From Nuclear Decommissioning Trust Funds
Net Change in Certain Current Assets and Liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Accounts Receivable and Unbilled Revenues
Increase (Decrease) in Accounts and Other Receivables
Fuel, Materials and Supplies
Increase (Decrease) in Materials and Supplies
Tax Receivable
Increase (Decrease) in Income Taxes Receivable
Accrued Taxes
Increase (Decrease) in Accrued Taxes Payable
Margin Deposit
Increase (Decrease) in Margin Deposits Outstanding
Prepayments
Increase (Decrease) in Prepaid Expense
Accounts Receivable
Increase (Decrease) in Accounts Receivable
Accounts Payable
Increase (Decrease) in Accounts Payable
Accounts Receivable/Payable-Affiliated Companies, net
Increase (Decrease) in Accounts Payable, Related Parties
Other Current Assets and Liabilities
Increase (Decrease) in Other Current Assets and Liabilities, Net
Employee Benefit Plan Funding and Related Payments
Pension and Other Postretirement Benefit Contributions
Other
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Net Cash Provided By (Used In) Operating Activities
CASH FLOWS FROM INVESTING ACTIVITIES
Net Cash Provided by (Used in) Investing Activities [Abstract]
Additions to Property, Plant and Equipment
Payments to Acquire Property, Plant, and Equipment
Purchase of Emissions Allowances and RECs
Payments to Acquire Intangible Assets
Proceeds from Sale of Available-for-Sale Securities
Proceeds from Sale of Available-for-sale Securities
Investments in Available-for-Sale Securities
Payments to Acquire Available-for-sale Securities
Issuance Of Loans For Solar Investments
Issuance Of Loans For Solar Investments
Net cash outflow under approved solar loan programs for the period
Short-Term Loan-Affiliated Company, net
Increase (Decrease) in Due to Related Parties, Current
Other
Payments for (Proceeds from) Other Investing Activities
Net Cash Provided By (Used In) Investing Activities
CASH FLOWS FROM FINANCING ACTIVITIES
Net Cash Provided by (Used in) Financing Activities [Abstract]
Net Change in Short-Term Debt
Proceeds from (Repayments of) Short-term Debt
Net Change in Commercial Paper and Loans
Proceeds from (Repayments of) Commercial Paper
Issuance of Long-Term Debt
Proceeds from Issuance of Other Long-term Debt
Redemption of Long-Term Debt
Repayments of Other Long-term Debt
Cash Dividends Paid on Common Stock
Other
Proceeds from (Payments for) Other Financing Activities
Net Cash Provided By (Used In) Financing Activities
Net Increase (Decrease) In Cash and Cash Equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and Cash Equivalents at Beginning of Period
Cash and Cash Equivalents, at Carrying Value
Cash and Cash Equivalents at End of Period
Supplemental Disclosure of Cash Flow Information:
Supplemental Cash Flow Information [Abstract]
Income Taxes Paid (Received)
Income Taxes Paid, Net
Interest Paid, Net of Amounts Capitalized
Interest Paid, Net
Accrued Property, Plant and Equipment Expenditures
Capital Expenditures Incurred but Not yet Paid
Change in Accounting Estimate by Type [Axis]
Change in Accounting Estimate by Type [Axis]
Change in Accounting Estimate, Type [Domain]
Change in Accounting Estimate, Type [Domain]
Cost Reduction related to change in estimate [Member]
Change in Accounting Method Accounted for as Change in Estimate [Member]
Plan Name [Axis]
Plan Name [Axis]
Plan Name [Domain]
Plan Name [Domain]
Long Island Electric Utility Servco LLC Pension and OPEB [Member]
Long Island Electric Utility Servco LLC Pension and OPEB [Member]
Long Island Electric Utility Servco LLC Pension and OPEB [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
Defined Benefit Plan and Other Postretirement Benefit Plan [Domain]
Defined Benefit Plan and Other Postretirement Benefit Plan [Domain]
Pension Plan [Member]
Pension Plan [Member]
Postretirement Healthcare Plans [Member]
Other Postretirement Benefit Plan [Member]
Employer contributions
Defined Benefit Plan, Contributions by Employer
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year
Total Benefit Costs
Defined Benefit Plan, Net Periodic Benefit Cost
Revenue from Related Parties
Revenue from Related Parties
Billings from Power through BGS and BGSS
Costs and Expenses, Related Party
Administrative Billings from Services
Billings From Administrative Shared Service Company Affiliated
Aggregate billings from affiliated entities earned during the period from providing administrative services to investment managers or funds seeking to outsource all or part of their mutual fund service functions. Examples of such administrative or support services include the following: legal advice, centralized cash management, filing of reports with the SEC and the IRS, registering of fund shares, corresponding with shareholders, and determination of compliance with various restrictions. An affiliate is a party that, directly or indirectly through one or more intermediaries, controls, is controlled by, or is under common control with the entity.
Total Billings from Affiliates
Affiliate Costs
Face Value Of Outstanding Guarantees, Current Exposure And Margin Positions
Schedule of Guarantor Obligations [Table Text Block]
Contract For Anticipated BGS-Fixed Price Eligible Load
Schedule of Long-term Contracts for Purchase of Electric Power [Table Text Block]
Total Minimum Purchase Commitments
Long-term Purchase Commitment [Table Text Block]
Income Taxes [Table]
Income Taxes [Table]
Income Taxes [Table]
Income Taxes [Line Items]
Income Taxes [Line Items]
Income Taxes [Line Items]
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent
Schedule Of Financial Statements Of Guarantors
Schedule Of Financial Statements Of Guarantors Table [Table Text Block]
Schedule Of Financial Statements Of Guarantors [Table Text Block]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table]
Derivative Instruments, Gain (Loss) [Table]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Operating Revenues [Member]
Operating Revenues [Member]
Operating Revenues [Member]
Energy Costs [Member]
Energy Costs [Member]
Energy Costs [Member]
Derivative, by Nature [Axis]
Derivative Instrument [Axis]
Derivative, Name [Domain]
Derivative Contract [Domain]
Energy-Related Contracts [Member]
Energy Related Derivative [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) [Line Items]
Pre-Tax Gain (Loss) Recognized in Income on Derivatives
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net
Financial Information By Business Segments
Segment Reporting Disclosure [Text Block]
Pension Benefits [Member]
OPEB [Member]
Service Cost
Defined Benefit Plan, Service Cost
Interest Cost
Defined Benefit Plan, Interest Cost
Expected Return on Plan Assets
Defined Benefit Plan, Expected Return on Plan Assets
Amortization of Prior Service Cost
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Amortization of Actuarial Loss
Defined Benefit Plan Actuarial Amortization Of Net Losses Gains
Defined Benefit Plan Actuarial Amortization Of Net Losses Gains
Total Benefit Costs
Proceeds from Sales
Proceeds from Sale and Maturity of Available-for-sale Securities
Gross Realized Gains
Available-for-sale Securities, Gross Realized Gains
Gross Realized Losses
Available-for-sale Securities, Gross Realized Losses
Net Realized Gains (Losses)
Realized Investment Gains (Losses)
Schedule Of Other Income
Schedule Of Other Income Table [Text Block]
Schedule Of Other Income [Table Text Block]
Schedule Of Other Deductions
Other Deductions Table [Text Block]
Schedule of Other Deductions
Early Plant Retirements [Abstract]
Early Plant Retirements [Abstract]
Early Plant Retirements
Schedule of Restructuring and Related Costs [Table]
Early Plant Retirements [Line Items]
Restructuring Cost and Reserve [Line Items]
Schedule of Balance Sheet Amounts by Generating Station
Public Utility Property, Plant, and Equipment [Table Text Block]
Commitments and Contingent Liabilities
Commitments and Contingencies Disclosure [Text Block]
Other Comprehensive Income (Loss), net of tax
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Unrealized Gains (Losses) on Available-for-Sale Securities, net of tax (expense) benefit
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax
Unrealized Gains (Losses) on Cash Flow Hedges, net of tax (expense) benefit
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax
Pension/Other Postretirement Benefit (OPEB) adjustment, net of tax (expense) benefit
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax
Other Comprehensive Income (Loss), net of tax
Other Comprehensive Income (Loss), Net of Tax
COMPREHENSIVE INCOME
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Payable To Power
Payable To Affiliate Through Bgs And Bgss Contracts
Payable to Power through BGS and BGSS Contracts
Estimated Residual Value of Leased Assets
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Residual Value of Leased Assets
Total Investment in Rental Receivables
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Rental Receivables, Gross
Unearned and Deferred Income
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Deferred Income
Gross Investment in Leases
Leveraged Leases Gross Investment
Leveraged Leases Gross Investment
Deferred Tax Liabilities
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Deferred Taxes Arising from Leveraged Leases
Net Investment in Leases
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Investment in Leveraged Leases, Net
Variable Interest Entities (VIEs)
Variable Interest Entity Disclosure [Text Block]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Powerton Station [Member]
Powerton Station [Member]
Powerton Station
Pre-tax write down/charge against lease receivables
Financing Receivable, Allowance for Credit Losses, Write-downs
Counterparties’ S&P Credit Ratings
Lease Receivable Counterparties Credit Ratings
Lease receivable counterparties credit ratings
Lease investment with non-investment grade counterparties, gross
Lease Investment With Non Investment Grade Counterparties Gross
Lease Investment With Non Investment Grade Counterparties Gross
Lease investment with non-investment grade counterparties, net of deferred taxes
Lease Investment With Non Investment Grade Counterparties Net Of Deferred Taxes
Lease Investment With Non Investment Grade Counterparties Net Of Deferred Taxes
Derivative Instruments and Hedging Activities Disclosures [Table]
Derivative Instruments and Hedging Activities Disclosures [Table]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Schedule Of Derivative Instruments Fair Value In Balance Sheets
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Schedule Of Derivative Instruments Designated As Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Table Text Block]
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
Schedule Of Derivative Instruments Not Designated As Hedging Instruments And Impact On Results Of Operations
Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
Schedule Of Gross Volume, On Absolute Value Basis For Derivative Contracts
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
Schedule Providing Credit Risk From Others, Net Of Collateral
Schedule Providing Credit Risk From Others Net Of Collateral [Table Text Block]
Schedule providing credit risk from others, net of collateral
Fair Values And Gross Unrealized Gains And Losses For The Securities Held In The NDT Fund
Fair Values And Gross Unrealized Gains And Losses For Securities Held In Ndt Funds [Table Text Block]
Fair values and gross unrealized gains and losses for the securities held in the NDT Funds
Schedule Of Accounts Receivable And Accounts Payable in the NDT Funds
Schedule Of Accounts Receivable And Accounts Payable in the NDT Funds [Table Text Block]
Accounts Receivable and Accounts Payable
Value Of Securities That Have Been In An Unrealized Loss Position For Less Than And Greater Than 12 Months
Schedule Of Available For Sale Securities Continuous Unrealized Loss Positions [Table Text Block]
Schedule Of Available For Sale Securities Continuous Unrealized Loss Positions [Text Block]
Securities Held In The Rabbi Trusts
Securities Held In Rabbi Trusts [Table Text Block]
Securities Held In Rabbi Trusts [Text Block]
Schedule of Accounts Receivable and Accounts Payable in the Rabbi Trust Funds [Table Text Block]
Schedule of Accounts Receivable and Accounts Payable in the Rabbi Trust Funds [Table Text Block]
[Table Text Block] for Schedule of Accounts Receivable and Accounts Payable in the Rabbi Trust Funds [Table]
Proceeds From The Sales Of And The Net Realized Gains On Securities In The NDT Funds And Rabbi Trusts
Available For Sale Securities Proceeds From Sales And Net Realized Gains [Table Text Block]
Available For Sale Securities Proceeds From Sales And Net Realized Gains [Text Block]
Amount Of Available-For-Sale Debt Securities By Maturity Periods
Amount Of Available For Sale Debt Securities By Maturity Periods [Table Text Block]
Amount Of Available-for-sale Debt Securities By Maturity Periods [Text Block]
Fair Value Of The Rabbi Trusts
Deferred Compensation Rabbi Trust Fair Value [Table Text Block]
Deferred compensation, Rabbi Trust, Fair Value
Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Weighted Average Common Shares Outstanding, Basic (shares)
Weighted Average Common Shares Outstanding Before Various Effects Basic
Weighted Average Common Shares Outstanding Before Various Effects, Basic
Effect of Stock Based Compensation Awards, Basic (shares)
Incremental Common Shares Attributable To Share Based Payment Arrangements Basic
Incremental Common Shares Attributable To Share Based Payment Arrangements Basic
Total Shares, Basic (shares)
Weighted Average Number of Shares Outstanding, Basic
Net Income, Basic (in dollars per share)
Earnings Per Share, Basic
Weighted Average Common Shares Outstanding, Diluted (shares)
Weighted Average Common Shares Outstanding Before Various Effects Diluted
Weighted Average Common Shares Outstanding Before Various Effects, Diluted
Effect of Stock Based Compensation Awards, Diluted (shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Total Shares, Diluted (shares)
Weighted Average Number of Shares Outstanding, Diluted
Net Income, Diluted (in dollars per share)
Earnings Per Share, Diluted
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Cash and Cash Equivalents [Member]
Cash and Cash Equivalents [Member]
Assets [Member]
Assets [Member]
Other Liabilities [Member]
Other Liabilities [Member]
Interest Rate Swap [Member]
Interest Rate Swap [Member]
MWh [Member]
Megawatt Hours [Member]
Megawatt Hours
Measurement Basis [Axis]
Measurement Basis [Axis]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Portion at Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member]
Total Estimate Of Fair Value [Member]
Estimate of Fair Value Measurement [Member]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Quoted Market Prices of Identical Assets (Level 1) [Member]
Fair Value, Inputs, Level 1 [Member]
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Inputs, Level 2 [Member]
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Inputs, Level 3 [Member]
US Treasury Securities [Member]
US Treasury Securities [Member]
Rabbi Trust - Equity Securities-Mutual Funds [Member]
Rabbi Trusts Equity Securities Mutual Funds [Member]
Rabbi Trusts Equity Securities Mutual Funds [Member]
Rabbi Trusts US Treasury Obligations [Member]
Rabbi Trusts US Treasury Obligations [Member]
Rabbi Trusts US Treasury Obligations [Member]
Rabbi Trust - Debt Securities-Govt Obligations [Member]
Rabbi Trusts Debt Securities Government Obligations [Member]
Rabbi Trusts Debt Securities Government Obligations [Member]
Rabbi Trust - Debt Securities-Other [Member]
Rabbi Trusts Debt Securities Other [Member]
Rabbi Trusts Debt Securities Other [Member]
Rabbi Trust - Other Securities [Member]
Rabbi Trusts Other Securities [Member]
Rabbi Trusts Other Securities [Member]
Cash Equivalents, Fair Value Disclosure
Cash and Cash Equivalents, Fair Value Disclosure
Total Mark-to-Market Derivative Assets
Derivative Asset
Total Mark-to-Market Derivative (Liabilities)
Derivative Liability
Fair Value, Measured on Recurring Basis, Investments
Investments, Fair Value Disclosure
Collateral netted against assets and liabilities
Derivative, Fair Value, Amount Offset Against Collateral, Net
New Standards Issued But Not Yet Adopted
New Accounting Pronouncements, Policy [Policy Text Block]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax
Comprehensive Income (Loss) Note [Text Block]
Guarantees of Debt
Financial Statements Of Guarantors [Text Block]
Financial information provided for subsidiary guarantors of Parent debt per rule 3-10 of Reg S-X.
Project [Axis]
Project [Axis]
Project [Domain]
Project [Domain]
Hope Creek [Member]
Hope Creek [Member]
Hope Creek [Member]
Salem [Member]
Salem [Member]
Salem [Member]
Nuclear Support Facilities [Member]
Nuclear Support Facilities [Member]
Nuclear Support Facilities [Member]
Peach Bottom [Member]
Peach Bottom [Member]
Peach Bottom [Member]
Public Utility [Axis]
Public Utility [Axis]
Utility Plant [Domain]
Utility Plant [Domain]
Nuclear Plant [Member]
Nuclear Plant [Member]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event [Member]
Subsequent Event [Member]
Operating Expense [Member]
Operating Expense [Member]
Depreciation And Amortization [Domain]
Depreciation And Amortization [Domain]
Depreciation And Amortization [Domain]
Coal Inventory Lower of Cost or Market Adjustments
Inventory Write-down
Materials and Supplies Obsolescence
Restructuring Charges
Accelerated Depreciation including Asset Retirement Costs
Restructuring and Related Cost, Accelerated Depreciation
Materials and Supplies Inventory
Public Utilities, Inventory
Nuclear Production, net of Accumulated Depreciation
Nuclear Production, Net of Amortization
Nuclear Production, Net of Amortization
Nuclear Fuel In-Service, net of Accumulated Depreciation
Nuclear Fuel, Net of Amortization
Construction Work in Progress (including nuclear fuel)
Public Utilities, Property, Plant and Equipment, Construction Work in Progress
Asset Retirement Obligations
Asset Retirement Obligations, Noncurrent
Total Liabilities
Liabilities
Net Assets
Net Assets
% Owned
Jointly Owned Utility Plant, Proportionate Ownership Share
Debt and Credit Facilities [Abstract]
Debt and Credit Facilities [Abstract]
Schedule of Line of Credit Facilities [Table Text Block]
Schedule of Line of Credit Facilities [Table Text Block]
Hedging Relationship [Axis]
Hedging Relationship [Axis]
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Fair Value Hedging [Member]
Fair Value Hedging [Member]
Cash Flow Hedging [Member]
Cash Flow Hedging [Member]
Investment Grade - External Rating [Member]
Investment Grade External Rating [Member]
Investment Grade External Rating [Member]
Non Current Assets [Member]
Non Current Assets [Member]
Noncurrent Assets [Member]
Loans Payable [Member]
Loans Payable [Member]
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Fair Value of Derivatives with credit-risk related contingent features
Credit Risk Derivative Liabilities, at Fair Value
Aggregate amount of series of interest rate swaps converting to variable-rate debt
Derivative, Notional Amount
Long-term Debt, Gross
Long-term Debt, Gross
Interest Rate Cash Flow Hedge Derivative at Fair Value, Net
Interest Rate Cash Flow Hedge Derivative at Fair Value, Net
Aggregate fair value of derivative contracts in a liability position that contains triggers for additional collateral
Derivative Asset, Fair Value, Amount Offset Against Collateral
Additional collateral aggregate fair value
Additional Collateral, Aggregate Fair Value
Amount of reduction in interest expense attributed to interest rate swaps designated as fair value hedges
Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments
Credit exposure, percentage
Percentage Of Credit Exposure
Percentage Of Credit Exposure
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Cash Flow Hedges [Member]
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Pre-Tax Balance at Beginning of Period
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Pre Tax
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Pre Tax
Gain (Loss) in AOCI
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax
(Gain) Loss into Income
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax
Pre-Tax Balance at End of Period
After-Tax Balance at Beginning of Period
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect After Tax
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect After Tax
Gain (Loss) in AOCI
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
(Gain) Loss into Income
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
After-Tax Balance at End of Period
Earnings Per Share (EPS) and Dividends
Earnings Per Share [Text Block]
Name of Property [Axis]
Name of Property [Axis]
Name of Property [Domain]
Name of Property [Domain]
PennEast Natural Gas Pipeline [Member]
PennEast Natural Gas Pipeline [Member]
PennEast Natural Gas Pipeline [Member]
755 MW Gas-Fired Combined Cycle Generating Station [Member]
755 MW Gas-Fired Combined Cycle Generating Station [Member]
755 MW Gas-Fired Combined Cycle Generating Station [Member]
Pse And G [Member]
Face Value of Outstanding Guarantees
Guarantor Obligations, Maximum Exposure, Undiscounted
Exposure under Current Guarantees
Exposure Under Current Guarantees
Exposure under Current Guarantees
Letters of Credit Margin Posted
Letters Of Credit Margin Posted
Letters of Credit Margin Posted
Letters of Credit Margin Received
Letters Of Credit Margin Received
Letters of Credit Margin Received
Counterparty Cash Margin Deposited
Counterparty Cash Margin Deposited
Counterparty Cash Margin Deposited
Counterparty Cash Margin Received
Counterparty Cash Margin Received
Counterparty Cash Margin Received
Net Broker Balance Deposited (Received)
Net Broker Balance Received
Net Broker Balance Received
Other Letters of Credit
Additional Amounts Posted Other Letters Of Credit
Additional Amounts Posted Other Letters of Credit
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Derivative Instrument Risk [Axis]
Current Assets [Member]
Current Assets [Member]
Current Assets [Member]
Current Liabilities [Member]
Current Liabilities [Member]
Current Liabilities [Member]
Noncurrent Liabilities [Member]
Noncurrent Liabilities [Member]
Noncurrent Liabilities [Member]
Hedging Designation [Axis]
Hedging Designation [Axis]
Hedging Designation [Domain]
Hedging Designation [Domain]
Not Designated as Hedging Instrument [Member]
Not Designated as Hedging Instrument [Member]
Derivative Contracts, Current Assets
Derivative Asset, Current
Derivative Contracts, Noncurrent Assets
Derivative Asset, Noncurrent
Total Mark-to-Market Derivative Assets
Derivative Contracts, Current Liabilities
Derivative Liability, Current
Derivative Contracts, Noncurrent Liabilities
Derivative Liability, Noncurrent
Total Mark-to-Market Derivative (Liabilities)
Net Mark-to-Market Derivative Assets (Liabilities)
Derivative, Fair Value, Net
Net cash collateral received in connection with net derivative contracts
Related-Party Transactions
Related Party Transactions Disclosure [Text Block]
Less than one year
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value
1 - 5 years
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value
6 - 10 years
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value
11 - 15 years
Available For Sale Securities Debt Maturities After Ten Through Fifteen Years Fair Value
Available For Sale Securities Debt Maturities After Ten Through Fifteen Years Fair Value
16 - 20 years
Available For Sale Securities Debt Maturities After Fifteen Through Twenty Years Fair Value
Available For Sale Securities Debt Maturities After Fifteen Through Twenty Years Fair Value
Over 20 years
Available For Sale Securities Debt Maturities After Twenty Years Fair Value
Available For Sale Securities Debt Maturities After Twenty Years Fair Value
Total Available-for-Sale Debt Securities
Available-for-sale Securities, Debt Securities
Disclosure Changes In Capitalization [Abstract]
Disclosure - Changes In Capitalization [Abstract]
Debt and Credit Facilities
Debt Disclosure [Text Block]
Components Of Net Periodic Benefit Cost
Schedule of Net Benefit Costs [Table Text Block]
Schedule Of Pension And OPEB Costs
Schedule Of Pension And Opeb Costs [Table Text Block]
Schedule Of Pension And OPEB Costs [Text Block]
Available-for-Sale Securities
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Interest Expense [Member]
Interest Expense [Member]
Amount of Pre-Tax Gain (Loss) attributed to Cash Flow Hedges Recognized in AOCI on Derivatives (Effective Portion)
Unrealized Gain (Loss) on Cash Flow Hedging Instruments
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion
Income Taxes
Income Tax Disclosure [Text Block]
Various [Member]
Various [Member]
Various [Member]
Electric Load Contracts [Member]
Electric Load Deals [Member]
Electric Load Deals [Member]
Natural Gas Supply Contracts [Member]
Forward Contracts [Member]
Assets, Fair Value
Assets, Fair Value Disclosure
Liabilities, Fair Value
Financial and Nonfinancial Liabilities, Fair Value Disclosure
Valuation Technique (s)
Fair Value Measurements, Valuation Techniques
Significant Unobservable Inputs
Fair Value Measurement With Significant Unobservable Inputs
Fair value, measurement with significant unobservable inputs
Historic Load Variability
Historic Load Variability
Historic Load Variability
Transportation Costs
Transportation Costs
Transportation Costs
Reclassification out of Accumulated Other Comprehensive Income [Table]
Reclassification out of Accumulated Other Comprehensive Income [Table]
Reclassification out of Accumulated Other Comprehensive Income [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Other Income [Member]
Other Income [Member]
Other Expense [Member]
Other Expense [Member]
Other-Than-Temporary Impairments [Member]
Other-Than-Temporary Impairments [Member]
Other-Than-Temporary Impairments [Member]
Pension and OPEB Plans [Member]
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Available-for-Sale Securities [Member]
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
[Line Items] for Reclassification out of Accumulated Other Comprehensive Income [Table]
Amortization of Prior Service (Cost) Credit, Pre-Tax
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax
Amortization of Prior Service (Cost) Credit, Tax
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Tax
Amortization of Prior Service (Cost) Credit, After-Tax
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax
Amortization of Actuarial Loss, Pre-Tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax
Amortization of Actuarial Loss, Tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Tax
Amortization of Actuarial Loss, After-Tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax
Reclassification Adjustment from AOCI, Pension and OPEB, Pre-Tax
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax
Reclassification Adjustment from AOCI, Pension and OPEB, Tax
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Tax
Reclassification Adjustment from AOCI, Pension and OPEB, After-Tax
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Net of Tax
Reclassification for Available for Sale Securities, Pre-Tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
Reclassification for Available for Sale Securities, Tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
Reclassification for Available for Sale Securities, After-Tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Regulatory Assets And Liabilities [Table]
Regulatory Assets And Liabilities [Table]
Regulatory Assets And Liabilities [Table]
Regulatory Asset [Axis]
Regulatory Asset [Axis]
Regulatory Asset [Domain]
Regulatory Asset [Domain]
Solar or EE Recovery Charge (RRC) [Member]
Solar or EE Recovery Charge (RRC) [Member]
Solar or EE Recovery Charge (RRC) [Member]
Stranded Costs [Member]
Stranded Costs [Member]
Rate Type [Axis]
Rate Type [Axis]
Rate Type [Axis]
Rate Type [Domain]
Rate Type [Domain]
[Domain] for Rate Type [Axis]
Electric Distribution [Member]
Electric Distribution [Member]
Gas Distribution [Member]
Gas Distribution [Member]
Gas Weather Normalization Deferral [Member]
Gas Weather Normalization Deferral [Member]
Gas Weather Normalization Deferral [Member]
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets And Liabilities [Line Items]
Regulatory Assets And Liabilities [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount
Public Utilities, Requested Rate Increase (Decrease), Amount
Public Utilities, Approved Rate Increase (Decrease), Amount
Public Utilities, Approved Rate Increase (Decrease), Amount
Financing Receivables
Financing Receivables [Text Block]
Other Entity [Member]
Other Entity [Member]
Other Entity [Member]
Total Rabbi Trust Available-for-Sale Securities
Concentration Risk [Table]
Concentration Risk [Table]
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Commercial/Industrial [Member]
Commercial Industrial Concentration Credit Risk [Member]
Commercial/Industrial Concentration Credit Risk [Member]
Residential [Member]
Residential Concentration Credit Risk [Member]
Residential [Member]
Concentration Risk [Line Items]
Concentration Risk [Line Items]
Outstanding Loans by Class of Customer
Loans Receivable, Net
Schedule Of Related Party Transactions, Revenue
Schedule Of Related Party Transactions Revenue Table [Table Text Block]
Schedule Of Related Party Transactions Revenue [Table Text Block]
Schedule Of Related Party Transactions, Receivables
Schedule Of Related Party Transactions Receivables Table [Table Text Block]
Schedule Of Related Party Transactions Receivables [Table Text Block]
Schedule Of Related Party Transactions, Payables
Schedule Of Related Party Transactions Payables Table [Table Text Block]
Schedule Of Related Party Transactions Payables [Table Text Block]
Derivative [Table]
Derivative [Table]
Natural Gas Dth [Member]
Natural Gas Dth [Member]
Natural Gas Dth [Member]
Electricity MWh [Member]
Electricity Mwh [Member]
Electricity MWh [Member]
FTRs MWh [Member]
Ftrs Mwh [Member]
FTRs MWh [Member]
Interest Rate Swaps [Member]
Interest Rate Swaps [Member]
Interest Rate Swaps [Member]
Derivative [Line Items]
Derivative [Line Items]
Gross Volume of Derivative on Absolute Value Basis
Underlying, Derivative
Schedule Of Credit Risk Profile Based On Payment Activity
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
Schedule Of Gross And Net Lease Investment
Schedule of Components of Leveraged Lease Investments [Table Text Block]
Schedule Of Lease Receivables, Net Of Nonrecourse Debt, Associated With Leveraged Lease Portfolio Based On Counterparty Credit Rating
Schedule Of Lease Receivables Net Of Nonrecourse Debt Associated With Leveraged Lease Portfolio Based On Counterparty Credit Rating [Text Block]
Schedule of Lease Receivables Net of Nonrecourse Debt Associated with Leveraged Lease Portfolio Based On Counterparty Credit Rating [Text Block]
Schedule Of Assets Under Lease Receivables
Schedule Of Assets Under Lease Receivables [Text Block]
Schedule of assets under lease receivables
Component of Other Income [Table]
Component of Other Income [Table]
Component of Other Income [Table]
Component of Other Income [Line Items]
Component of Other Income [Line Items]
[Line Items] for Component of Other Income [Table]
Other Income and Deductions
Other Income and Other Expense Disclosure [Text Block]
ASSETS
Assets [Abstract]
CURRENT ASSETS
Assets, Current [Abstract]
Cash and Cash Equivalents
Accounts Receivable, net of allowances
Accounts Receivable, Net, Current
Accounts Receivable-Affiliated Companies
Accounts Receivable, Related Parties, Current
Tax Receivable
Income Taxes Receivable, Current
Unbilled Revenues
Unbilled Receivables, Current
Short-Term Loan to Affiliate
Notes Receivable, Related Parties, Current
Fuel
Fuel
Carrying amount as of the balance sheet date of fuel inventory to be used in the production of energy.
Materials and Supplies, net
Inventory, Raw Materials and Supplies, Gross
Prepayments
Prepaid Expense, Current
Derivative Contracts
Regulatory Assets
Regulatory Assets, Current
Other
Other Assets, Current
Total Current Assets
PROPERTY, PLANT AND EQUIPMENT
Public Utilities, Property, Plant and Equipment, Plant in Service
Less: Accumulated Depreciation and Amortization
Public Utilities, Property, Plant and Equipment, Accumulated Depreciation
Net Property, Plant and Equipment
NONCURRENT ASSETS
Assets, Noncurrent [Abstract]
Regulatory Assets
Regulatory Assets, Noncurrent
Long-Term Investments
Long-term Investments
Nuclear Decommissioning Trust (NDT) Fund
Decommissioning Fund Investments
Long-Term Tax Receivable
Income Taxes Receivable, Noncurrent
Long-Term Receivable of Variable Interest Entities (VIEs)
Accounts Receivable, Net, Noncurrent
Other Special Funds
Other Special Funds
Amounts Deposited to fund a qualified pension plan, non-qualified pension plans and a deferred compensation plan.
Goodwill
Goodwill
Other Intangibles
Intangible Assets, Net (Excluding Goodwill)
Derivative Contracts
Other
Other Assets, Noncurrent
Total Noncurrent Assets
LIABILITIES AND CAPITALIZATION
Liabilities and Equity [Abstract]
CURRENT LIABILITIES
Liabilities, Current [Abstract]
Long-Term Debt Due Within One Year
Long-term Debt, Current Maturities
Commercial Paper and Loans
Commercial Paper
Accounts Payable
Accounts Payable, Current
Accounts Payable-Affiliated Companies
Accounts Payable, Related Parties, Current
Derivative Contracts
Accrued Interest
Interest Payable, Current
Accrued Taxes
Taxes Payable, Current
Clean Energy Program
Obligation to Return Cash Collateral
Customer Collateral Liabilities
Amounts of Cash Deposits Collected related to energy contract contractual obligations
Regulatory Liabilities
Regulatory Liability, Current
Other
Other Liabilities, Current
Total Current Liabilities
NONCURRENT LIABILITIES
Liabilities, Noncurrent [Abstract]
Deferred Income Taxes and Investment Tax Credits (ITC)
Deferred Income Taxes and Other Tax Liabilities, Noncurrent
Regulatory Liabilities
Regulatory Liability, Noncurrent
OPEB Costs
Other Postretirement Defined Benefit Plan, Liabilities, Noncurrent
OPEB Costs of Servco
Other Postretirement Benefits Payable, Noncurrent
Accrued Pension Costs
Defined Benefit Pension Plan, Liabilities, Noncurrent
Accrued Pension Costs of Servco
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent
Environmental Costs
Accrued Environmental Loss Contingencies, Noncurrent
Derivative Contracts
Long-Term Accrued Taxes
Liability for Uncertainty in Income Taxes, Noncurrent
Other
Other Liabilities, Noncurrent
Total Noncurrent Liabilities
COMMITMENTS AND CONTINGENT LIABILITIES
Commitments and Contingencies
LONG-TERM DEBT
Long-term Debt, Excluding Current Maturities [Abstract]
Total Long-Term Debt
STOCKHOLDER'S EQUITY
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common Stock
Common Stock, Value, Outstanding
Treasury Stock, at cost
Treasury Stock, Value
Contributed Capital
Contributed Capital
Contributed Capital
Basis Adjustment
Basis Adjustment
Basis Adjustment
Retained Earnings
Retained Earnings (Accumulated Deficit)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax
Total Stockholder's Equity
Total Capitalization
Capitalization, Long-term Debt and Equity
Short-term Debt, Type [Axis]
Short-term Debt, Type [Axis]
Short-term Debt, Type [Domain]
Short-term Debt, Type [Domain]
Five Year Credit Facility Maturing on April 2020 [Member]
Five Year Credit Facility Maturing on April 2020 [Member]
Five Year Credit Facility Maturing on April 2020 [Member]
Credit Facility [Axis]
Credit Facility [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Five Year Credit Facility Maturing March 2022 [Member]
Revolving Credit Facility [Member]
Three Year Credit Facilities Maturing March 2020 [Member]
Letter of Credit [Member]
Commercial Paper
Short-term Debt, Weighted Average Interest Rate
Short-term Debt, Weighted Average Interest Rate
Commitments of Single Institution as Percentage of Total Commitments
Commitments of Single Institution as Percentage of Total Commitments
Commitments of Single Institution as Percentage of Total Commitments
Line of Credit Facility, Remaining Borrowing Capacity
Line of Credit Facility, Remaining Borrowing Capacity
Debt Instrument, Maturity Date, Description
Debt Instrument, Maturity Date, Description
Line of Credit Facility, Maximum Borrowing Capacity
Line of Credit Facility, Maximum Borrowing Capacity
Line of Credit Facility, Fair Value of Amount Outstanding
Line of Credit Facility, Fair Value of Amount Outstanding
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Beginning Balance
Other Comprehensive Income before Reclassifications
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Ending Balance
Document and Entity Information [Abstract]
Document and Entity Information [Abstract]
Document Information [Table]
Document Information [Table]
Entity Information [Line Items]
Entity Information [Line Items]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Trading Symbol
Trading Symbol
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Basic And Diluted Earnings Per Share Computation
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Dividend Payments On Common Stock
Dividend Payments On Common Stock [Table Text Block]
Dividend Payments On Common Stock Text Block
Early Plant Retirements
Restructuring, Impairment, and Other Activities Disclosure [Text Block]
Financial Risk Management Activities
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Bonus Depreciation For Tax Purposes
Bonus Depreciation For Tax Purposes
Bonus Depreciation For Tax Purposes
Bonus Depreciation for Tax Purposes 2018
Bonus Depreciation for Tax Purposes 2018
Bonus Depreciation for Tax Purposes 2018
Bonus Depreciation for Tax Purposes 2019
Bonus Depreciation for Tax Purposes 2019
Bonus Depreciation for Tax Purposes 2019
Current ITC rate for qualified property
Current ITC rate for qualified property
Current ITC rate for qualified property
2020 ITC rate for qualified property
2020 ITC rate for qualified property
2020 ITC rate for qualified property
2021 ITC rate for qualified property
2021 ITC rate for qualified property
2021 ITC rate for qualified property
Nuclear Fuel Uranium [Member]
Nuclear Fuel Uranium [Member]
Nuclear Fuel Uranium [Member]
Nuclear Fuel Enrichment [Member]
Nuclear Fuel Enrichment [Member]
Nuclear Fuel Enrichment [Member]
Nuclear Fuel Fabrication [Member]
Nuclear Fuel Fabrication [Member]
Nuclear Fuel Fabrication [Member]
Natural Gas [Member]
Natural Gas [Member]
Natural Gas [Member]
Coal [Member]
Coal Oil [Member]
Coal/Oil [Member]
Coverage percentage of nuclear fuel commitments of uranium, enrichment, and fabrication requirements
Coverage Percentage Of Nuclear Fuel Commitments Of Uranium Enrichment And Fabrication Requirements
Coverage percentage of nuclear fuel commitments of uranium, enrichment, and fabrication requirements.
Total five-year minimum purchase requirements
Long-term Purchase Commitment, Amount
NDT Fund Gains, Interest, Dividend and Other Income
Ndt Funds Gains Interest Dividend And Other Income
NDT Funds Gains, Interest, Dividend and Other Income
Allowance for Funds Used During Construction
Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity
Rabbi Trust Gains Interest Dividend and Other Income
Rabbi Trust Gains Interest Dividend and Other Income
Rabbi Trust Gains Interest Dividend and Other Income
Solar Loan Interest
Solar Loan Interest
Solar loan interest
Other
Other Nonoperating Income Other
Other nonoperating income, other
Total Other Income
Income Statement [Abstract]
Operating Expenses [Abstract]
Operating Expenses [Abstract]
Energy Costs
Cost of Services, Energy Services
Depreciation and Amortization
Cost of Goods Sold, Depreciation and Amortization
Total Operating Expenses
OPERATING INCOME (LOSS)
Income from Equity Method Investments
INCOME (LOSS) BEFORE INCOME TAXES
Income Loss From Continuing Operations Before Income Taxes
Sum of operating profit and nonoperating income (expense) before income taxes.
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
BASIC (in shares)
DILUTED (in shares)
EARNINGS PER SHARE:
BASIC (in dollars per share)
DILUTED (in dollars per share)
Net Derivative Assets (Liabilities) [Member]
Opening Balance
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs
Included in Income
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings
Included in Regulatory Assets/Liabilities
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs, Gain (Loss) Included In Regulatory Assets Liabilities
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs, Gain (Loss) Included In Regulatory Assets Liabilities
Purchases, (Sales)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs, Purchases (Sales)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs, Purchases (Sales)
Issuances (Settlements)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs, Issuances (Settlements)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs, Issuances (Settlements)
Transfers In (Out)
Closing Balance
Gains and losses attributable to changes in net derivative assets and liabilities, included in Operating Income
Gains and losses attributable to changes in net derivative assets and liabilities, unrealized
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss)
Settlements
Powerton Station Units 5 And 6 [Member]
Joliet Station Units 7 And 8 [Member]
Joliet Station [Member]
Joliet Station
Keystone Station Units 1 And 2 [Member]
Keystone Station [Member]
Keystone Station
Conemaugh Station Units 1 And 2 [Member]
Conemaugh Station [Member]
Conemaugh Station
Shawville Station Units 1, 2, 3 And 4 [Member]
Shawville Station [Member]
Shawville Station
Location
Lease Receivable Asset Location
Lease Receivable, Asset Location
Gross Investment
Lease Receivable Gross Investment
Lease Receivable, Gross Investment
% Owned
Lease Receivable Percent Owned
Lease Receivable, Percent Owned
Total MW
Lease Receivable Asset Capacity
Lease Receivable, Asset Capacity
Fuel Type
Lease Receivable Asset Fuel Type
Lease Receivable, Asset, Fuel Type
Counterparty
Lease Receivable Counterparty
Lease Receivable, Counterparty
PSEG's, Power's And PSE&G's Respective Assets And (Liabilities) Measured At Fair Value On A Recurring Basis
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Schedule of Quantitative Information About Level 3 Fair Value Measurements
Fair Value Inputs, Assets, Quantitative Information [Table Text Block]
Changes In Level 3 Assets And (Liabilities) Measured At Fair Value On A Recurring Basis
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Schedule of Fair Value of Debt
Schedule Of Fair Value Of Debt Table [Table Text Block]
Schedule of Fair Value of Debt
Collateral [Axis]
Collateral [Axis]
Collateral [Domain]
Collateral [Domain]
Cash [Member]
Cash [Member]
Letter of Credit [Member]
Investment Grade [Member]
External Credit Rating, Investment Grade [Member]
Non-Investment Grade [Member]
Non Investment Grade External Rating [Member]
Non-Investment Grade External-Rating [Member]
Current Exposure
Total Credit Exposure With Counterparties
Total credit exposure with counterparties
Securities held as Collateral
Securities Held as Collateral, at Fair Value
Net exposure
Net Credit Exposure With Counterparties After Applying Collateral
Net credit exposure with counterparties after applying collateral
Number of Counterparties greater than 10%
Number Of Counterparties With Greater Than Ten Percent Of Net Credit Exposure
Number of counterparties with greater than ten percent of net credit exposure
Amount Of Net Credit Exposure Greater Than Ten Percent
Amount Of Net Credit Exposure Greater Than Ten Percent
Amount of net credit exposure greater than ten percent
Number Of Active Counterparties On Credit Risk Derivatives
Number Of Active Counterparties On Credit Risk Derivatives
Number of active counterparties on credit risk derivatives
Continuous Unrealized Loss Position, Less Than 12 Months, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
Continuous Unrealized Loss Position, Less Than 12 Months, Gross Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Continuous Unrealized Loss Position, Greater Than 12 Months, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
Continuous Unrealized Loss Position, Greater Than 12 Months, Gross Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss