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Debt and Credit Facilities Debt and Credit Facilities (Tables) | 9 Months Ended
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Sep. 30, 2023
Debt and Credit Facilities [Abstract] |
Schedule of Line of Credit Facilities [Table Text Block] | Each of the credit facilities is restricted as to availability and use to the specific companies as listed in the following table; however, if necessary, the PSEG facilities can also be used to support its subsidiaries’ liquidity needs. The total committed credit facilities and available liquidity as of September 30, 2023 were as follows:
|  |  | As of September 30, 2023 |  |  |  |  |
| Company/Facility |  | Total Facility |  | Usage (B) |  | Available Liquidity |  | Expiration Date |  | Primary Purpose |
|  |  | Millions |  |  |  |  |
| PSEG |  |  |  |  |  |  |  |  |  |  |
| Revolving Credit Facility (A) |  | $ | 1,500 |  |  | $ | 97 |  |  | $ | 1,403 |  |  | Mar 2027 |  | Commercial Paper Support/Funding/Letters of Credit |
| Total PSEG |  | $ | 1,500 |  |  | $ | 97 |  |  | $ | 1,403 |  |  |  |  |  |
| PSE&G |  |  |  |  |  |  |  |  |  |  |
| Revolving Credit Facility |  | $ | 1,000 |  |  | $ | 120 |  |  | $ | 880 |  |  | Mar 2027 |  | Commercial Paper Support/Funding/Letters of Credit |
| Total PSE&G |  | $ | 1,000 |  |  | $ | 120 |  |  | $ | 880 |  |  |  |  |  |
| PSEG Power |  |  |  |  |  |  |  |  |  |  |
| Revolving Credit Facility (A) |  | $ | 1,250 |  |  | $ | 39 |  |  | $ | 1,211 |  |  | Mar 2027 |  | Funding/Letters of Credit |
| Letter of Credit Facility |  | 100 |  |  | — |  |  | 100 |  |  | Apr 2025 |  | Letters of Credit |
| Letter of Credit Facility |  | 200 |  |  | 79 |  |  | 121 |  |  | Sept 2024 |  | Letters of Credit |
| Letter of Credit Facility |  | 100 |  |  | 66 |  |  | 34 |  |  | Apr 2024 |  | Letters of Credit |
| Total PSEG Power |  | $ | 1,650 |  |  | $ | 184 |  |  | $ | 1,466 |  |  |  |  |  |
| Total (C) |  | $ | 4,150 |  |  | $ | 401 |  |  | $ | 3,749 |  |  |  |  |  |
(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 September 30, 2023, PSEG had $95 million outstanding at a weighted average interest rate of 5.46% and PSE&G had $100 million outstanding at a weighted average interest rate of 5.49%. (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 -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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