Trust Investments (Schedule Of Accounts Receivable And Accounts Payable) (Detail) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Rabbi Trust [Member]
Schedule of Trust Investments [Line Items]
Accounts Receivable	$ 1	$ 2
Accounts Payable	1	0
Nuclear Decommissioning Trust (NDT) Fund [Member] \| PSEG Power LLC
Schedule of Trust Investments [Line Items]
Accounts Receivable	11	11
Accounts Payable	$ 12	$ 11

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15(a))
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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
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-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (SX 210.7-03(5))
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- Definition

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.

+ References

No definition available.

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