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Financial Risk Management Activities (Tables) | 12 Months Ended
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Dec. 31, 2023
Disclosure Financial Risk Management Activities [Abstract] |
Schedule Of Derivative Instruments Fair Value In Balance Sheets | The following are the fair values of derivative instruments on the Consolidated Balance Sheets. The following tables also include disclosures for offsetting derivative assets and liabilities which are subject to a master netting or similar agreement. In general, the terms of the agreements provide that in the event of an early termination the counterparties have the right to offset amounts owed or owing under that and any other agreement with the same counterparty. Accordingly, and in accordance with PSEG’s accounting policy, these positions are offset on the Consolidated Balance Sheets of PSEG. For additional information see Note 17. Fair Value Measurements. Substantially all derivative instruments are contracts subject to master netting agreements. Contracts not subject to master netting or similar agreements are immaterial and did not have any collateral posted or received as of December 31, 2023 and 2022. The following tabular disclosure does not include the offsetting of trade receivables and payables.
|  | As of December 31, 2023 |
|  | PSEG |  | PSEG Power |  | Consolidated |
|  | Cash Flow Hedges |  | Not Designated |  |  |  |  |  |  |
| Balance Sheet Location | Interest Rate Derivatives |  | Energy- Related Contracts |  | Netting (A) |  | Total PSEG Power |  | Total Derivatives |
|  | Millions |
| Derivative Contracts |  |  |  |  |  |  |  |  |  |
| Current Assets | $ | 6 |  |  | $ | 912 |  |  | $ | (806) |  |  | $ | 106 |  |  | $ | 112 |  |
| Noncurrent Assets | — |  |  | 440 |  |  | (411) |  |  | 29 |  |  | 29 |  |
| Total Mark-to-Market Derivative Assets | $ | 6 |  |  | $ | 1,352 |  |  | $ | (1,217) |  |  | $ | 135 |  |  | $ | 141 |  |
| Derivative Contracts |  |  |  |  |  |  |  |  |  |
| Current Liabilities | $ | (16) |  |  | $ | (890) |  |  | $ | 820 |  |  | $ | (70) |  |  | $ | (86) |  |
| Noncurrent Liabilities | (1) |  |  | (424) |  |  | 419 |  |  | (5) |  |  | (6) |  |
| Total Mark-to-Market Derivative (Liabilities) | $ | (17) |  |  | $ | (1,314) |  |  | $ | 1,239 |  |  | $ | (75) |  |  | $ | (92) |  |
| Total Net Mark-to-Market Derivative Assets (Liabilities) | $ | (11) |  |  | $ | 38 |  |  | $ | 22 |  |  | $ | 60 |  |  | $ | 49 |  |
|  | As of December 31, 2022 |
|  | PSEG |  | PSEG Power |  |  |  | Consolidated |
|  | Cash Flow Hedges |  | Not Designated |  |  |  |  |  |  |
| Balance Sheet Location | Interest Rate Derivatives |  | Energy- Related Contracts |  | Netting (A) |  | Total PSEG Power |  | Total Derivatives |
|  | Millions |
| Derivative Contracts |  |  |  |  |  |  |  |  |  |
| Current Assets | $ | 4 |  |  | $ | 1,721 |  |  | $ | (1,707) |  |  | $ | 14 |  |  | $ | 18 |  |
| Noncurrent Assets | — |  |  | 629 |  |  | (614) |  |  | 15 |  |  | 15 |  |
| Total Mark-to-Market Derivative Assets | $ | 4 |  |  | $ | 2,350 |  |  | $ | (2,321) |  |  | $ | 29 |  |  | $ | 33 |  |
| Derivative Contracts |  |  |  |  |  |  |  |  |  |
| Current Liabilities | $ | — |  |  | $ | (2,447) |  |  | $ | 2,323 |  |  | $ | (124) |  |  | $ | (124) |  |
| Noncurrent Liabilities | (3) |  |  | (1,139) |  |  | 1,109 |  |  | (30) |  |  | (33) |  |
| Total Mark-to-Market Derivative (Liabilities) | $ | (3) |  |  | $ | (3,586) |  |  | $ | 3,432 |  |  | $ | (154) |  |  | $ | (157) |  |
| Total Net Mark-to-Market Derivative Assets (Liabilities) | $ | 1 |  |  | $ | (1,236) |  |  | $ | 1,111 |  |  | $ | (125) |  |  | $ | (124) |  |
(A) Represents the netting of fair value balances with the same counterparty (where the right of offset exists) and the application of cash collateral. All cash collateral (received) posted that has been allocated to derivative positions, where the right of offset exists, has been offset on the Consolidated Balance Sheets. As of December 31, 2023 and 2022, PSEG Power had net cash collateral payments to counterparties of $113 million and $1,521 million, respectively. Of these net cash collateral (receipts) payments, $22 million as of December 31, 2023 and $1,111 million as of December 31, 2022 were netted against the corresponding net derivative contract positions. Of the $22 million as of December 31, 2023, $(1) million was netted against current assets, $15 million was netted against current liabilities and $8 million was netted against noncurrent liabilities. Of the $1,111 million as of December 31, 2022, $616 million was netted against current liabilities and $495 million was netted against noncurrent liabilities.
Schedule Of Derivative Instruments Designated As Cash Flow Hedges | The following shows the effect on the Consolidated Statements of Operations and on Accumulated Other Comprehensive Loss (AOCL) of derivative instruments designated as cash flow hedges for the years ended December 31, 2023, 2022 and 2021.
|  |  | Amount of Pre-Tax Gain (Loss) Recognized in AOCL on Derivatives |  | Location of Pre-Tax Gain (Loss) Reclassified from AOCL into Income |  | Amount of Pre-Tax Gain (Loss) Reclassified from AOCL into Income |  |  |
| Derivatives in Cash Flow Hedging Relationships | Years Ended December 31, |  |  |  | Years Ended December 31, |  |  |
|  |  | 2023 |  | 2022 |  | 2021 |  |  |  | 2023 |  | 2022 |  | 2021 |  |  |  |  |  |  |
|  |  | Millions |  |  |  | Millions |  |  |  |  |  |  |
| Interest Rate Derivatives |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  | Interest Expense |  | $ | 5 |  |  | $ | (5) |  |  | $ | (4) |  |  |  |  |  |  |  |
| Total |  | $ | 13 |  |  | $ | — |  |  | $ | — |  |  |  |  | $ | 5 |  |  | $ | (5) |  |  | $ | (4) |  |  |  |  |  |  |  |
Schedule Of Reconciliation For Derivative Activity Included In Accumulated Other Comprehensive Loss | The following reconciles the Accumulated Other Comprehensive Income (Loss) for derivative activity included in the AOCL of PSEG on a pre-tax and after-tax basis.
| Accumulated Other Comprehensive Income (Loss) |  | Pre-Tax |  | After-Tax |
|  |  | Millions |
| Balance as of December 31, 2021 |  | $ | (9) |  |  | $ | (6) |  |
| Loss Recognized in AOCI |  | — |  |  | — |  |
| Less: Loss Reclassified into Income |  | 5 |  |  | 3 |  |
| Balance as of December 31, 2022 |  | $ | (4) |  |  | $ | (3) |  |
| Gain Recognized in AOCI |  | 13 |  |  | 9 |  |
| Less: Gain Reclassified into Income |  | (5) |  |  | (3) |  |
| Balance as of December 31, 2023 |  | $ | 4 |  |  | $ | 3 |  |
Schedule Of Derivative Instruments Not Designated As Hedging Instruments And Impact On Results Of Operations | The following shows the effect on the Consolidated Statements of Operations of derivative instruments not designated as hedging instruments or as NPNS for the years ended December 31, 2023, 2022 and 2021. PSEG Power’s derivative contracts reflected in this table include contracts to hedge the purchase and sale of electricity and natural gas, and the purchase of fuel.
| Derivatives Not Designated as Hedges |  | Location of Pre-Tax Gain (Loss) Recognized in Income on Derivatives |  | Pre-Tax Gain (Loss) Recognized in Income on Derivatives |
|  |  |  |  | Years Ended December 31, |
|  |  |  |  | 2023 |  | 2022 |  | 2021 |
|  |  |  |  | Millions |
| Energy-Related Contracts |  | Operating Revenues |  | $ | 1,567 |  |  | $ | (1,748) |  |  | $ | (993) |  |
| Energy-Related Contracts |  | Energy Costs |  | — |  |  | 2 |  |  | 126 |  |
| Total |  |  |  | $ | 1,567 |  |  | $ | (1,746) |  |  | $ | (867) |  |
Schedule Of Gross Volume, On Absolute Value Basis For Derivative Contracts | The following table summarizes the net notional volume purchases/(sales) of open derivative transactions by commodity as of December 31, 2023 and 2022.
|  |  |  |  | As of December 31, |
| Type |  | Notional |  | 2023 |  | 2022 |
|  |  |  |  | Millions |
| Natural Gas |  | Dekatherm |  | 66 |  |  | 49 |
| Electricity |  | MWh |  | (60) |  |  | (60) |  |
| Financial Transmission Rights |  | MWh |  | 19 |  |  | 24 |
| Interest Rate Derivatives |  | U.S. Dollars |  | 2,000 |  |  | 1,050 |  |

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