Leases (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) renewals	Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Lessor leases carrying value	$ 214
Energy Holdings [Member]
Lessee, Lease, Description [Line Items]
Assets Held-for-sale, Not Part of Disposal Group	20
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation	51
Impairment of Long-Lived Assets to be Disposed of	$ 78
Public Service Electric and Gas Company
Lessee, Lease, Description [Line Items]
Number of lease renewal terms	4
Operating lease liabilities, current	$ 12	$ 12
PSEG Power LLC [Member]
Lessee, Lease, Description [Line Items]
Number of lease renewal terms | renewals	1
PSEG
Lessee, Lease, Description [Line Items]
Operating lease liabilities, current	$ 28	$ 33
Services | Subsidiaries
Lessee, Lease, Description [Line Items]
Number of lease renewal terms	2