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Organization and Basis of Presentation Organization and Basis of Presentation (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Cash and Cash Equivalents |  | $ 1,186 | $ 54 |  |
Restricted Cash in Other Current Assets |  | 16 | 23 |  |
Restricted Cash in Other Noncurrent Assets |  | 22 | 22 |  |
Cash, Cash Equivalents and Restricted Cash |  | 1,224 | 99 | $ 1,254 | $ 511
Public Service Electric and Gas Company [Member] |  |  |  |  |
Cash and Cash Equivalents |  | 50 | 30 |  |
Restricted Cash in Other Current Assets |  | 16 | 23 |  |
Restricted Cash in Other Noncurrent Assets |  | 22 | 22 |  |
Cash, Cash Equivalents and Restricted Cash |  | 88 | 75 | $ 863 | $ 266
PSEG Power & Other |  |  |  |  |
Cash and Cash Equivalents | [1] | 1,136 | 24 |  |
Restricted Cash in Other Current Assets | [1] | 0 | 0 |  |
Restricted Cash in Other Noncurrent Assets | [1] | 0 | 0 |  |
Cash, Cash Equivalents and Restricted Cash | [1] | $ 1,136 | $ 24 |  |
[1] | Includes amounts applicable to PSEG Power, Energy Holdings, Services and PSEG (parent company).

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 + Details
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