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Pension and Other Postretirement Benefits (OPEB) (Tables)

9 Months Ended

Sep. 30, 2025

Retirement Benefits [Abstract]

Schedule of Components of Net Periodic Benefit Cost

The following table provides the components of net periodic benefit costs (credits) relating to all qualified and nonqualified pension and OPEB plans on an aggregate basis for PSEG, excluding Servco. Amounts shown do not reflect the impacts of capitalization, co-owner allocations and certain regulatory orders. Only the service cost component is eligible for capitalization, when applicable.

			Pension Benefits								OPEB								Pension Benefits								OPEB
			Three Months Ended								Three Months Ended								Nine Months Ended								Nine Months Ended
			September 30,								September 30,								September 30,								September 30,
			2025				2024				2025				2024				2025				2024				2025				2024
			Millions
	Components of Net Periodic Benefit Costs (Credits)
	Service Cost (included in O&M Expense)		$	22			$	24			$	—			$	1			$	66			$	71			$	1			$	2
	Non-Service Components of Pension and OPEB Costs (Credits)
	Interest Cost			57				57				9				9				173				169				27				28
	Expected Return on Plan Assets			(77	)			(80	)			(8	)			(9	)			(231	)			(241	)			(25	)			(26	)
	Amortization of Net
	Prior Service Costs			—				—				1				—				—				—				2				1
	Actuarial Loss (Gain)			16				17				(1	)			—				47				53				(3	)			(1	)
	Non-Service Components of Pension and OPEB Costs (Credits)			(4	)			(6	)			1				—				(11	)			(19	)			1				2
	Total Net Periodic Benefit Costs (Credits)		$	18			$	18			$	1			$	1			$	55			$	52			$	2			$	4

Schedule of Pension and OPEB Costs

Pension and OPEB costs (credits) for PSE&G and PSEG Power & Other are detailed as follows:

			Pension Benefits								OPEB								Pension Benefits								OPEB
			Three Months Ended								Three Months Ended								Nine Months Ended								Nine Months Ended
			September 30,								September 30,								September 30,								September 30,
			2025				2024				2025				2024				2025				2024				2025				2024
			Millions
	PSE&G		$	11			$	11			$	(1	)		$	—			$	35			$	32			$	(3	)		$	(1	)
	PSEG Power & Other			7				7				2				1				20				20				5				5
	Total Net Periodic Benefit Costs (Credits)		$	18			$	18			$	1			$	1			$	55			$	52			$	2			$	4

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (q)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 715
-SubTopic 20
-Subparagraph (h)
-Name Accounting Standards Codification
-Paragraph 1
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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