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Asset Retirement Obligations (AROs) (Impact Of The Revisions On Asset Retirement Obligation) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |  |  |  |
ARO Liability, Beginning Balance |  |  |  |  | $ 1,573 | $ 1,212
Liabilities Settled |  |  |  |  | (15) | (15)
Adjustments | [1] |  |  |  |  | (37)
Accretion Expense |  |  |  |  | 50 | 44
Accretion Expense Deferred and Recovered in Rate Base | [2] |  |  |  | 17 | 16
Revision to Present Value of Future Cash Flows |  |  |  |  | (126) | 353
ARO Liability, Ending Balance |  |  | $ 1,573 |  | 1,499 | 1,573
Public Service Electric and Gas Company |  |  |  |  |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |  |  |  |
ARO Liability, Beginning Balance |  |  |  |  | 363 | 314
Liabilities Settled |  |  |  |  | (15) | (14)
Adjustments | [1] |  |  |  |  | 0
Accretion Expense |  |  |  |  | 0 | 0
Accretion Expense Deferred and Recovered in Rate Base | [2] |  |  |  | 17 | 16
Revision to Present Value of Future Cash Flows |  |  |  |  | 19 | 47
ARO Liability, Ending Balance |  |  | 363 |  | 384 | 363
Other [Member] |  |  |  |  |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |  |  |  |
Revision to Present Value of Future Cash Flows |  |  | 255 | $ 51 |  |
PSEG Power & Other |  |  |  |  |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |  |  |  |
ARO Liability, Beginning Balance |  |  |  |  | 1,210 | 898
Liabilities Settled |  |  |  |  | 0 | (1)
Adjustments | [1] |  |  |  |  | (37)
Accretion Expense |  |  |  |  | 50 | 44
Accretion Expense Deferred and Recovered in Rate Base | [2] |  |  |  | 0 | 0
Revision to Present Value of Future Cash Flows |  |  |  |  | (145) | 306
ARO Liability, Ending Balance |  |  | $ 1,210 |  | $ 1,115 | $ 1,210
PSEG Power LLC [Member] |  |  |  |  |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |  |  |  |
Revision to Present Value of Future Cash Flows |  | $ 145 |  |  |  |
[1] | Represents amounts related to the sale of the solar plants and the fossil generating assets classified as Held for Sale.
[2] | Not reflected as expense in Consolidated Statements of Operations.

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- Definition Asset Retirement Obligation, Disposals and Held-for-sale + References No definition available. + Details
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 25 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=116646717&loc=d3e6290-110844 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(4) -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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