Condensed Consolidated Balance Sheets - USD ($) $ in Millions		Mar. 31, 2020	Dec. 31, 2019
CURRENT ASSETS
Cash and Cash Equivalents		$ 799	$ 147
Accounts Receivable, net of allowance		1,265	1,313
Tax Receivable		2	21
Unbilled Revenues, net of allowance		185	239
Fuel		181	310
Materials and Supplies, net		595	587
Prepayments		124	79
Derivative Contracts		169	113
Regulatory Assets		337	351
Assets Held-for-sale		28	30
Other		42	41
Total Current Assets		3,727	3,231
PROPERTY, PLANT AND EQUIPMENT		46,577	45,944
Less: Accumulated Depreciation and Amortization		(10,372)	(10,100)
Net Property, Plant and Equipment		36,205	35,844
NONCURRENT ASSETS
Regulatory Assets		3,634	3,677
Operating Lease, Right-of-Use Asset		275	282
Long-Term Investments		786	812
Nuclear Decommissioning Trust (NDT) Fund		2,027	2,216
Long-Term Tax Receivable		150	150
Long-Term Receivable of Variable Interest Entities (VIEs)		825	813
Rabbi Trust Fund		244	246
Other Intangibles		165	149
Derivative Contracts		69	24
Other		258	286
Total Noncurrent Assets		8,433	8,655
Total Assets		48,365	47,730
CURRENT LIABILITIES
Long-Term Debt Due Within One Year		1,665	1,365
Commercial Paper and Loans		1,062	1,115
Accounts Payable		1,172	1,358
Derivative Contracts		40	36
Accrued Interest		176	116
Accrued Taxes		113	41
Clean Energy Program		85	143
Obligation to Return Cash Collateral		118	119
Regulatory Liabilities		174	234
Other		555	520
Total Current Liabilities		5,160	5,047
NONCURRENT LIABILITIES
Deferred Income Taxes and Investment Tax Credits (ITC)		6,321	6,256
Regulatory Liabilities		2,955	3,002
Operating Leases		266	273
Asset Retirement Obligations		1,172	1,087
OPEB Costs		750	734
OPEB Costs of Servco		634	626
Accrued Pension Costs		922	952
Accrued Pension Costs of Servco		170	171
Environmental Costs		338	349
Derivative Contracts		3	1
Long-Term Accrued Taxes		180	182
Other		205	218
Total Noncurrent Liabilities		13,916	13,851
COMMITMENTS AND CONTINGENT LIABILITIES
LONG-TERM DEBT
Total Long-Term Debt		14,040	13,743
STOCKHOLDER'S EQUITY
Common Stock, Value, Issued		4,994	5,003
Treasury Stock, at cost		(868)	(831)
Retained Earnings		11,604	11,406
Accumulated Other Comprehensive Income (Loss)		(481)	(489)
Total Stockholder's Equity		15,249	15,089
Total Capitalization		29,289	28,832
TOTAL LIABILITIES AND CAPITALIZATION		48,365	47,730
Public Service Electric and Gas Company [Member]
CURRENT ASSETS
Cash and Cash Equivalents		83	21
Accounts Receivable, net of allowance		924	901
Accounts Receivable-Affiliated Companies		0	1
Unbilled Revenues, net of allowance		185	239
Materials and Supplies, net		213	213
Prepayments		23	35
Regulatory Assets		337	351
Other		34	28
Total Current Assets		1,799	1,789
PROPERTY, PLANT AND EQUIPMENT		34,419	33,900
Less: Accumulated Depreciation and Amortization		(6,748)	(6,623)
Net Property, Plant and Equipment		27,671	27,277
NONCURRENT ASSETS
Regulatory Assets		3,634	3,677
Operating Lease, Right-of-Use Asset		97	98
Long-Term Investments		245	248
Rabbi Trust Fund		47	48
Other		134	129
Total Noncurrent Assets		4,157	4,200
Total Assets		33,627	33,266
CURRENT LIABILITIES
Long-Term Debt Due Within One Year		559	259
Commercial Paper and Loans		0	362
Accounts Payable		518	639
Accounts Payable-Affiliated Companies		403	390
Accrued Interest		111	91
Clean Energy Program		85	143
Obligation to Return Cash Collateral		118	119
Regulatory Liabilities		174	234
Other		469	436
Total Current Liabilities		2,437	2,673
NONCURRENT LIABILITIES
Deferred Income Taxes and Investment Tax Credits (ITC)		4,286	4,189
Regulatory Liabilities		2,955	3,002
Operating Leases		86	87
Asset Retirement Obligations		305	303
OPEB Costs		509	495
Accrued Pension Costs		481	501
Environmental Costs		288	294
Long-Term Accrued Taxes		114	115
Other		136	136
Total Noncurrent Liabilities		9,160	9,122
COMMITMENTS AND CONTINGENT LIABILITIES
LONG-TERM DEBT
Total Long-Term Debt		9,864	9,568
STOCKHOLDER'S EQUITY
Common Stock, Value, Issued		892	892
Contributed Capital		1,095	1,095
Basis Adjustment		986	986
Retained Earnings		9,191	8,928
Accumulated Other Comprehensive Income (Loss)		2	2
Total Stockholder's Equity		12,166	11,903
Total Capitalization		22,030	21,471
TOTAL LIABILITIES AND CAPITALIZATION		33,627	33,266
PSEG Power [Member]
CURRENT ASSETS
Cash and Cash Equivalents		14	21
Accounts Receivable, net of allowance		284	309
Accounts Receivable-Affiliated Companies		359	408
Short-Term Loan to Affiliate	[1]	514	149
Fuel		181	310
Materials and Supplies, net		379	372
Prepayments		16	11
Derivative Contracts	[2]	169	113
Assets Held-for-sale		28	28
Other		3	5
Total Current Assets		1,947	1,726
PROPERTY, PLANT AND EQUIPMENT		11,820	11,699
Less: Accumulated Depreciation and Amortization		(3,413)	(3,273)
Net Property, Plant and Equipment		8,407	8,426
NONCURRENT ASSETS
Operating Lease, Right-of-Use Asset		69	71
Long-Term Investments		68	66
Nuclear Decommissioning Trust (NDT) Fund		2,027	2,216
Rabbi Trust Fund		61	62
Other Intangibles		165	149
Derivative Contracts	[2]	69	24
Other		34	65
Total Noncurrent Assets		2,493	2,653
Total Assets		12,847	12,805
CURRENT LIABILITIES
Long-Term Debt Due Within One Year		406	406
Accounts Payable		470	505
Accounts Payable-Affiliated Companies		24	5
Derivative Contracts	[2]	30	31
Accrued Interest		49	21
Other		92	91
Total Current Liabilities		1,071	1,059
NONCURRENT LIABILITIES
Deferred Income Taxes and Investment Tax Credits (ITC)		1,829	1,876
Operating Leases		60	62
Asset Retirement Obligations		864	781
OPEB Costs		193	192
Accrued Pension Costs		277	284
Derivative Contracts	[2]	3	1
Long-Term Accrued Taxes		113	115
Other		90	111
Total Noncurrent Liabilities		3,429	3,422
COMMITMENTS AND CONTINGENT LIABILITIES
LONG-TERM DEBT
Total Long-Term Debt		2,435	2,434
STOCKHOLDER'S EQUITY
Contributed Capital		2,214	2,214
Basis Adjustment		(986)	(986)
Retained Earnings		5,076	5,063
Accumulated Other Comprehensive Income (Loss)		(392)	(401)
Total Stockholder's Equity		5,912	5,890
TOTAL LIABILITIES AND CAPITALIZATION		$ 12,847	$ 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 March 31, 2020 and December 31, 2019.