Related-Party Transactions (Schedule Of Related Party Transactions, Payables) (Detail) - Public Service Electric and Gas Company [Member] - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Payable To PSEG Power	$ 195	$ 244
Payable To Services	87	111
Payable to PSEG	138	63
Accounts Payable - Affiliated Companies	420	418
Working Capital Advances to Services	33	33
Long-Term Accrued Taxes Payable	$ 6	$ 6

Payable to affiliate for services.

No definition available.

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- Definition

Payable to Power through BGS and BGSS Contracts

+ References

No definition available.

+ Details

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- Definition

Payable to Parent

+ References

No definition available.

+ Details

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- Definition

Amount of accounts payable to related parties, due after one year or beyond the normal operating cycle, if longer.

+ References

No definition available.

+ Details

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- Definition

Long-Term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 946
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-URI http://asc.fasb.org/extlink&oid=124098289&loc=d3e6812-107765

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- Definition

Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Publisher FASB
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-Section S99
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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.

+ Details

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- Details

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