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The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.

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- Definition

Amount, after tax, of accumulated gain (loss) on derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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- Definition

Fair value of credit risk derivative liability.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Fair value, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Includes derivative not subject to master netting arrangement or similar agreement.

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

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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.

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No definition available.

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- Definition

The cash inflow from a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.

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Specified interest rate, security price, commodity price, foreign exchange rate, index of prices or rates for a derivative contract but not the derivative contract itself.

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No definition available.

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Financial Risk Management Activities (Narrative) (Detail) $ / Derivative in Millions, $ in Millions	1 Months Ended	12 Months Ended
	Oct. 31, 2022 $ / Derivative	Dec. 31, 2022 USD ($) $ / Derivative	Dec. 31, 2021 USD ($) $ / Derivative	Dec. 31, 2020 USD ($)
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net		$ (124)	$ 66
Credit Risk Derivative Liabilities, at Fair Value		190	75
Aggregate fair value of derivative contracts in a liability position that contains triggers for additional collateral		41	29
Additional collateral aggregate fair value		149	46
Loss on physical load sales		38
Proceeds from Short-term Debt		2,000	2,500	$ 800
Long-term Debt		18,186
AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax		(3)	(6)
PSEG [Member]
Derivatives, Fair Value [Line Items]
Long-term Debt		4,146	4,146
PSEG Power LLC [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net		(125)
Long-term Debt		1,250	0
Senior Notes Three Point Eight Five Percent due Two Thousand Twenty Three [Member] \| PSEG Power LLC [Member]
Derivatives, Fair Value [Line Items]
Long-term Debt		1,250	0
Senior Notes Five Point Eight Five Percent Due In Two Thousand Twenty Seven \| PSEG [Member]
Derivatives, Fair Value [Line Items]
Long-term Debt		700	$ 0
May 2022 Term Loan
Derivatives, Fair Value [Line Items]
Proceeds from Short-term Debt		500
Short-Term Bank Loans and Notes Payable		$ 500
Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Underlying, Derivative \| $ / Derivative		1,050	0
Treasury Lock
Derivatives, Fair Value [Line Items]
Underlying, Derivative \| $ / Derivative	350