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Debt and Credit Facilities Debt and Credit Facilities (Tables) | 3 Months Ended
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Mar. 31, 2024
Debt and Credit Facilities [Abstract] |
Schedule of Line of Credit Facilities [Table Text Block] | The total committed credit facilities and available liquidity as of March 31, 2024 were as follows:
|  |  | As of March 31, 2024 |  |  |  |  |
| Company/Facility |  | Total Facility |  | Usage (B) |  | Available Liquidity |  | Expiration Date |  | Primary Purpose |
|  |  | Millions |  |  |  |  |
| PSEG |  |  |  |  |  |  |  |  |  |  |
| Revolving Credit Facility (A) |  | $ | 1,500 |  |  | $ | 2 |  |  | $ | 1,498 |  |  | Mar 2028 |  | Commercial Paper Support/Funding/Letters of Credit |
| Total PSEG |  | $ | 1,500 |  |  | $ | 2 |  |  | $ | 1,498 |  |  |  |  |  |
| PSE&G |  |  |  |  |  |  |  |  |  |  |
| Revolving Credit Facility |  | $ | 1,000 |  |  | $ | 45 |  |  | $ | 955 |  |  | Mar 2028 |  | Commercial Paper Support/Funding/Letters of Credit |
| Total PSE&G |  | $ | 1,000 |  |  | $ | 45 |  |  | $ | 955 |  |  |  |  |  |
| PSEG Power |  |  |  |  |  |  |  |  |  |  |
| Revolving Credit Facility (A) |  | $ | 1,250 |  |  | $ | 39 |  |  | $ | 1,211 |  |  | Mar 2028 |  | Funding/Letters of Credit |
| Letter of Credit Facility |  | 75 |  |  | 45 |  |  | 30 |  |  | Apr 2026 |  | Letters of Credit |
| Letter of Credit Facility |  | 200 |  |  | 83 |  |  | 117 |  |  | Sept 2024 |  | Letters of Credit |
| Total PSEG Power |  | $ | 1,525 |  |  | $ | 167 |  |  | $ | 1,358 |  |  |  |  |  |
| Total (C) |  | $ | 4,025 |  |  | $ | 214 |  |  | $ | 3,811 |  |  |  |  |  |
(A)Master Credit Facility with sub-limits of $1.5 billion for PSEG and $1.25 billion for PSEG Power; sub-limits can be adjusted pursuant to the terms of the Master Credit Facility agreement. The PSEG sub-limit includes a sustainability linked pricing based mechanism with potential increases or decreases, which are not expected to be material, depending on performance relative to targeted methane emission reductions. (B)The primary use of PSEG’s and PSE&G’s credit facilities is to support their respective Commercial Paper Programs, under which as of March 31, 2024, PSEG had no outstanding commercial paper and PSE&G had $25 million outstanding at a weighted average interest rate of 5.45%. (C)Amounts do not include uncommitted credit facilities or 364-day term loans.

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- Definition Debt and Credit Facilities [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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