Condensed Consolidated Balance Sheets - USD ($) shares in Millions, $ in Millions		Sep. 30, 2020	Dec. 31, 2019
CURRENT ASSETS
Cash and Cash Equivalents		$ 966	$ 147
Accounts Receivable, net of allowance		1,299	1,313
Tax Receivable		102	21
Unbilled Revenues, net of allowance		175	239
Fuel		309	310
Materials and Supplies, net		608	587
Prepayments		128	79
Derivative Contracts		46	113
Regulatory Assets		342	351
Assets Held-for-sale		0	30
Other		48	41
Total Current Assets		4,023	3,231
PROPERTY, PLANT AND EQUIPMENT		47,949	45,944
Less: Accumulated Depreciation and Amortization		(10,900)	(10,100)
Net Property, Plant and Equipment		37,049	35,844
NONCURRENT ASSETS
Regulatory Assets		3,669	3,677
Operating Lease, Right-of-Use Asset		270	282
Long-Term Investments		608	812
Nuclear Decommissioning Trust (NDT) Fund		2,359	2,216
Long-Term Tax Receivable		0	150
Long-Term Receivable of Variable Interest Entities (VIEs)		830	813
Rabbi Trust Fund		261	246
Other Intangibles		228	149
Derivative Contracts		17	24
Other		262	286
Total Noncurrent Assets		8,504	8,655
Total Assets		49,576	47,730
CURRENT LIABILITIES
Long-Term Debt Due Within One Year		2,093	1,365
Commercial Paper and Loans		300	1,115
Accounts Payable		1,332	1,358
Derivative Contracts		8	36
Accrued Interest		171	116
Accrued Taxes		238	41
Clean Energy Program		187	143
Obligation to Return Cash Collateral		103	119
Regulatory Liabilities		306	234
Other		522	520
Total Current Liabilities		5,260	5,047
NONCURRENT LIABILITIES
Deferred Income Taxes and Investment Tax Credits (ITC)		6,334	6,256
Regulatory Liabilities		2,773	3,002
Operating Leases		260	273
Asset Retirement Obligations		1,198	1,087
OPEB Costs		737	734
OPEB Costs of Servco		649	626
Accrued Pension Costs		862	952
Accrued Pension Costs of Servco		159	171
Environmental Costs		316	349
Derivative Contracts		1	1
Long-Term Accrued Taxes		110	182
Other		289	218
Total Noncurrent Liabilities		13,688	13,851
COMMITMENTS AND CONTINGENT LIABILITIES
LONG-TERM DEBT
Total Long-Term Debt		$ 14,792	$ 13,743
Common Stock, authorized		1,000	1,000
STOCKHOLDER'S EQUITY
Common Stock, Value, Issued		$ 5,016	$ 5,003
Treasury Stock, at cost		(863)	(831)
Retained Earnings		12,135	11,406
Accumulated Other Comprehensive Income (Loss)		(452)	(489)
Total Stockholder's Equity		15,836	15,089
Total Capitalization		30,628	28,832
TOTAL LIABILITIES AND CAPITALIZATION		49,576	47,730
Public Service Electric and Gas Company [Member]
CURRENT ASSETS
Cash and Cash Equivalents		224	21
Accounts Receivable, net of allowance		948	901
Accounts Receivable-Affiliated Companies		0	1
Unbilled Revenues, net of allowance		175	239
Materials and Supplies, net		213	213
Prepayments		92	35
Regulatory Assets		342	351
Other		33	28
Total Current Assets		2,027	1,789
PROPERTY, PLANT AND EQUIPMENT		35,658	33,900
Less: Accumulated Depreciation and Amortization		(7,030)	(6,623)
Net Property, Plant and Equipment		28,628	27,277
NONCURRENT ASSETS
Regulatory Assets		3,669	3,677
Operating Lease, Right-of-Use Asset		102	98
Long-Term Investments		225	248
Rabbi Trust Fund		51	48
Other		131	129
Total Noncurrent Assets		4,178	4,200
Total Assets		34,833	33,266
CURRENT LIABILITIES
Long-Term Debt Due Within One Year		443	259
Commercial Paper and Loans		0	362
Accounts Payable		713	639
Accounts Payable-Affiliated Companies		272	390
Accrued Interest		115	91
Clean Energy Program		187	143
Obligation to Return Cash Collateral		103	119
Regulatory Liabilities		306	234
Other		432	436
Total Current Liabilities		2,571	2,673
NONCURRENT LIABILITIES
Deferred Income Taxes and Investment Tax Credits (ITC)		4,463	4,189
Regulatory Liabilities		2,773	3,002
Operating Leases		90	87
Asset Retirement Obligations		311	303
OPEB Costs		495	495
Accrued Pension Costs		441	501
Environmental Costs		266	294
Long-Term Accrued Taxes		20	115
Other		168	136
Total Noncurrent Liabilities		9,027	9,122
COMMITMENTS AND CONTINGENT LIABILITIES
LONG-TERM DEBT
Total Long-Term Debt		$ 10,472	$ 9,568
Common Stock, authorized		150	150
STOCKHOLDER'S EQUITY
Common Stock, Value, Issued		$ 892	$ 892
Contributed Capital		1,095	1,095
Basis Adjustment		986	986
Retained Earnings		9,787	8,928
Accumulated Other Comprehensive Income (Loss)		3	2
Total Stockholder's Equity		12,763	11,903
Total Capitalization		23,235	21,471
TOTAL LIABILITIES AND CAPITALIZATION		34,833	33,266
PSEG Power [Member]
CURRENT ASSETS
Cash and Cash Equivalents		15	21
Accounts Receivable, net of allowance		304	309
Accounts Receivable-Affiliated Companies		154	408
Short-Term Loan to Affiliate	[1]	333	149
Fuel		309	310
Materials and Supplies, net		392	372
Prepayments		22	11
Derivative Contracts	[2]	46	113
Assets Held-for-sale		0	28
Other		2	5
Total Current Assets		1,577	1,726
PROPERTY, PLANT AND EQUIPMENT		11,949	11,699
Less: Accumulated Depreciation and Amortization		(3,644)	(3,273)
Net Property, Plant and Equipment		8,305	8,426
NONCURRENT ASSETS
Operating Lease, Right-of-Use Asset		64	71
Long-Term Investments		66	66
Nuclear Decommissioning Trust (NDT) Fund		2,359	2,216
Rabbi Trust Fund		65	62
Other Intangibles		228	149
Derivative Contracts	[2]	17	24
Other		38	65
Total Noncurrent Assets		2,837	2,653
Total Assets		12,719	12,805
CURRENT LIABILITIES
Long-Term Debt Due Within One Year		950	406
Accounts Payable		458	505
Accounts Payable-Affiliated Companies		22	5
Derivative Contracts	[2]	6	31
Accrued Interest		39	21
Other		96	91
Total Current Liabilities		1,571	1,059
NONCURRENT LIABILITIES
Deferred Income Taxes and Investment Tax Credits (ITC)		1,891	1,876
Operating Leases		54	62
Asset Retirement Obligations		885	781
OPEB Costs		194	192
Accrued Pension Costs		263	284
Derivative Contracts	[2]	1	1
Long-Term Accrued Taxes		58	115
Other		136	111
Total Noncurrent Liabilities		3,482	3,422
COMMITMENTS AND CONTINGENT LIABILITIES
LONG-TERM DEBT
Total Long-Term Debt		1,487	2,434
STOCKHOLDER'S EQUITY
Contributed Capital		2,214	2,214
Basis Adjustment		(986)	(986)
Retained Earnings		5,325	5,063
Accumulated Other Comprehensive Income (Loss)		(374)	(401)
Total Stockholder's Equity		6,179	5,890
TOTAL LIABILITIES AND CAPITALIZATION		$ 12,719	$ 12,805

[1] PSEG Power’s short-term loans with PSEG are for working capital and other short-term needs. Interest Income and Interest Expense relating to these short-term funding activities were immaterial.

[2] Substantially all of PSEG Power’s and PSEG’s derivative instruments are contracts subject to master netting agreements. Contracts not subject to master netting or similar agreements are immaterial and did not have any collateral posted or received as of September 30, 2020 and December 31, 2019.