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Commitments and Contingent Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2023
PSEG Power [Member] |
Loss Contingencies [Line Items] |
Face Value Of Outstanding Guarantees, Current Exposure And Margin Positions | The following table shows the face value of PSEG Power’s outstanding guarantees, current exposure and margin positions as of September 30, 2023 and December 31, 2022.
|  | As of |  | As of |
|  | September 30, 2023 |  | December 31, 2022 |
|  | Millions |
| Face Value of Outstanding Guarantees | $ | 1,435 |  |  | $ | 1,601 |  |
| Exposure under Current Guarantees | $ | 77 |  |  | $ | 198 |  |
| Letters of Credit Margin Posted | $ | 7 |  |  | $ | 87 |  |
| Letters of Credit Margin Received | $ | 57 |  |  | $ | 38 |  |
| Cash Deposited and Received |  |  |  |
| Counterparty Cash Collateral Deposited | $ | — |  |  | $ | — |  |
| Counterparty Cash Collateral Received | $ | (1) |  |  | $ | (1) |  |
| Net Broker Balance Deposited (Received) | $ | 347 |  |  | $ | 1,522 |  |
| Additional Amounts Posted |  |  |  |
| Other Letters of Credit | $ | 180 |  |  | $ | 156 |  |
Total Minimum Purchase Commitments | As of September 30, 2023, the total minimum purchase requirements included in these commitments were as follows:
| Fuel Type |  | PSEG Power’s Share of Commitments through 2027 |
|  |  | Millions |
| Nuclear Fuel |  |  |
| Uranium |  | $ | 410 |  |
| Enrichment |  | $ | 331 |  |
| Fabrication |  | $ | 185 |  |
| Natural Gas |  | $ | 1,069 |  |
Public Service Electric and Gas Company [Member] |
Loss Contingencies [Line Items] |
Contract For Anticipated BGS-Fixed Price Eligible Load |
|  | Auction Year |  |
|  | 2020 |  | 2021 |  | 2022 |  | 2023 |  |
| 36-Month Terms Ending | May 2023 |  | May 2024 |  | May 2025 |  | May 2026 | (A) |
| Load (MW) | 2,800 |  | 2,900 |  | 2,800 |  | 2,800 |  |
| $ per MWh | $102.16 |  | $64.80 |  | $76.30 |  | $93.11 |  |
(A)Prices set in the 2023 BGS auction became effective on June 1, 2023 when the 2020 BGS auction agreements expired.

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- Definition Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-4 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-4 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-9 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-9 + Details
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- Definition Tabular disclosure of each guarantee obligation, or each group of similar guarantee obligations, including (a) the nature of the guarantee, including its term, how it arose, and the events or circumstances that would require the guarantor to perform under the guarantee; (b) the maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee; (c) the current carrying amount of the liability, if any, for the guarantor's obligations under the guarantee; and (d) the nature of any recourse provisions under the guarantee, and any assets held either as collateral or by third parties, and any relevant related party disclosure. Excludes disclosures about product warranties. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-4 + Details
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- Definition Tabular disclosure of information concerning the terms and significance of long term contracts to purchase power (generally referred to as purchase power agreements (PPAs) or power sale agreements (PSAs)) including date of contract expiration, share of plant output being purchased, estimated annual cost, annual minimum debt service payment required and amount of related long-term debt or lease obligations outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.D) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480114/980-10-S99-1 + Details
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