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Organization and Basis of Presentation Organization and Basis of Presentation (Tables) | 9 Months Ended
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Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Cash, Cash Equivalents and Restricted Cash [Table Text Block] | Cash, Cash Equivalents and Restricted Cash The following provides a reconciliation of cash, cash equivalents and restricted cash reported within the Condensed Consolidated Balance Sheets that sum to the total of the same such amounts for the beginning (December 31, 2022) and ending periods shown in the Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2023. Restricted cash consists primarily of deposits received related to various construction projects at PSE&G.
|  | PSE&G |  | PSEG Power & Other (A) |  | Consolidated |
|  | Millions |
| As of December 31, 2022 |  |  |  |  |  |
| Cash and Cash Equivalents | $ | 220 |  |  | $ | 245 |  |  | $ | 465 |  |
| Restricted Cash in Other Current Assets | 27 |  |  | — |  |  | 27 |  |
| Restricted Cash in Other Noncurrent Assets | 19 |  |  | — |  |  | 19 |  |
| Cash, Cash Equivalents and Restricted Cash | $ | 266 |  |  | $ | 245 |  |  | $ | 511 |  |
| As of September 30, 2023 |  |  |  |  |  |
| Cash and Cash Equivalents | $ | 26 |  |  | $ | 31 |  |  | $ | 57 |  |
| Restricted Cash in Other Current Assets | 23 |  |  | — |  |  | 23 |  |
| Restricted Cash in Other Noncurrent Assets | 20 |  |  | — |  |  | 20 |  |
| Cash, Cash Equivalents and Restricted Cash | $ | 69 |  |  | $ | 31 |  |  | $ | 100 |  |
(A)Includes amounts applicable to PSEG Power, Energy Holdings, Services and PSEG (parent company).

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- Definition Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 8 -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-8 + Details
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