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Leases Reconciliation of Undiscounted Cash Flows (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Lessee, Lease, Description [Line Items] |  |
Total Minimum Lease Payments | $ 235 | $ 269
Reconciling Amount due to Discount Rate | (38) | (45)
Total Discounted Operating Lease Liabilities | 197 | 224
Public Service Electric and Gas Company |  |
Lessee, Lease, Description [Line Items] |  |
Total Minimum Lease Payments | 109 | 117
Reconciling Amount due to Discount Rate | (20) | (22)
Total Discounted Operating Lease Liabilities | 89 | 95
Other Segments |  |
Lessee, Lease, Description [Line Items] |  |
Total Minimum Lease Payments | 126 | 152
Reconciling Amount due to Discount Rate | (18) | (23)
Total Discounted Operating Lease Liabilities | $ 108 | $ 129

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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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