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Leases Leases (Tables) | 3 Months Ended
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Mar. 31, 2021
Leases [Abstract] |
Operating Lease, Lease Income | three months ended March 31, 2021 and 2020:
|  | PSEG Power |  | Energy Holdings |  | Total |
|  | Millions |
| Operating Lease Income |  |  |  |  |  |
| Three Months Ended March 31, 2021 |  |  |  |  |  |
| Fixed Lease Income | $ | — |  |  | $ | 5 |  |  | $ | 5 |  |
| Variable Lease Income | 5 |  |  | — |  |  | 5 |  |
| Total Operating Lease Income | $ | 5 |  |  | $ | 5 |  |  | $ | 10 |  |
| Three Months Ended March 31, 2020 |  |  |  |  |  |
| Fixed Lease Income | $ | — |  |  | $ | 5 |  |  | $ | 5 |  |
| Variable Lease Income | 5 |  |  | — |  |  | 5 |  |
| Total Operating Lease Income | $ | 5 |  |  | $ | 5 |  |  | $ | 10 |  |

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- Definition Tabular disclosure of components of income from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919372-209981 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=121640914&loc=SL77927221-108306 + Details
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