Commitments and Contingent Liabilities - Schedule of Contract for Anticipated BGS-RSCP Fixed Price Eligible Load (Details) - Public Service Electric and Gas Company [Member]	9 Months Ended
	Sep. 30, 2024 $ / MWh MW
Auction Year 2021
Long-Term Purchase Commitment [Line Items]
36-Month Terms Ending	2024-05	[1]
Load (MW) | MW	2,900
Dollars Per Megawatt Hour | $ / MWh	64.8
Auction Year 2022
Long-Term Purchase Commitment [Line Items]
36-Month Terms Ending	2025-05	[1]
Load (MW) | MW	2,800
Dollars Per Megawatt Hour | $ / MWh	76.3
Auction Year 2023
Long-Term Purchase Commitment [Line Items]
36-Month Terms Ending	2026-05	[1]
Load (MW) | MW	2,800
Dollars Per Megawatt Hour | $ / MWh	93.11
Auction Year 2024
Long-Term Purchase Commitment [Line Items]
36-Month Terms Ending	2027-05	[1]
Load (MW) | MW	2,900
Dollars Per Megawatt Hour | $ / MWh	80.88

[1] Prices set in the 2024 BGS auction became effective on June 1, 2024 when the 2021 BGS auction agreements expired.