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Debt and Credit Facilities - Schedule of Line of Credit Facilities (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($)
Debt Instrument [Line Items] |  |
Available Liquidity | $ 2,511 | [1]
Total Facility | 3,825 | [1]
Usage (B) | 1,314 | [1],[2]
Public Service Electric and Gas Company [Member] |  |
Debt Instrument [Line Items] |  |
Available Liquidity | 532 |
Total Facility | 1,000 |
Usage (B) | 468 | [2]
Public Service Electric and Gas Company [Member] | Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Available Liquidity | 532 |
Total Facility | 1,000 |
Usage (B) | $ 468 | [2]
Expiration Date | Mar 2028 |
PSEG Power |  |
Debt Instrument [Line Items] |  |
Available Liquidity | $ 1,243 |
Total Facility | 1,325 |
Usage (B) | 82 | [2]
PSEG Power | Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Available Liquidity | 1,213 | [3]
Total Facility | 1,250 | [3]
Usage (B) | $ 37 | [2],[3]
Expiration Date | Mar 2028 | [3]
PSEG Power | Letter Of Credit Facilities expiring April 2026 [Member] |  |
Debt Instrument [Line Items] |  |
Available Liquidity | $ 30 |
Total Facility | 75 |
Usage (B) | $ 45 | [2]
Expiration Date | Apr 2026 |
Revolving Credit Facility [Member] | PSEG Power |  |
Debt Instrument [Line Items] |  |
Total Facility | $ 1,250 |
PSEG [Member] |  |
Debt Instrument [Line Items] |  |
Available Liquidity | 736 |
Total Facility | 1,500 |
Usage (B) | 764 | [2]
PSEG [Member] | Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Available Liquidity | 736 | [3]
Total Facility | 1,500 | [3]
Usage (B) | $ 764 | [2],[3]
Expiration Date | Mar 2028 | [3]
PSEG [Member] | Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Total Facility | $ 1,500 |
[1] | Amounts do not include uncommitted credit facilities or 364-day term loans, if any apply.
[2] | The primary use of PSEG’s and PSE&G’s credit facilities is to support their respective Commercial Paper Programs, under which as of December 31, 2024, PSEG had $749 million outstanding commercial paper at a weighted average interest rate of 4.78% and PSE&G had $444 million commercial paper outstanding at a weighted average interest rate of 4.71%.
[3] | 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.

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