Consolidated Balance Sheets (Unaudited) - USD ($) shares in Millions, $ in Millions		Jun. 30, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents		$ 1,578	$ 663
Restricted cash and cash equivalents		379	438
Accounts receivable
Customer accounts receivable		3,533	3,597
Customer allowance for credit losses		(395)	(366)
Customer accounts receivable, net		3,138	3,231
Other accounts receivable		1,426	1,469
Other allowance for credit losses		(72)	(71)
Other accounts receivable, net		1,354	1,398
Mark-to-market derivative assets, current		749	644
Unamortized energy contract assets, current		37	38
Inventories, net
Fossil fuel and emission allowances		259	297
Materials and supplies		1,443	1,425
Regulatory assets, current		1,252	1,228
Renewable energy credits, current		368	633
Assets held for sale		11	958
Other		1,780	1,609
Total current assets		12,348	12,562
Accumulated depreciation and amortization		28,783	26,727
Property, plant and equipment, net		82,120	82,584
Deferred debits and other assets
Regulatory assets, noncurrent		8,745	8,759
Nuclear decommissioning trust funds		15,400	14,464
Investments		421	440
Goodwill		6,677	6,677
Mark-to-market derivative assets, noncurrent		443	555
Unamortized energy contract assets, noncurrent		278	294
Other		2,964	2,982
Total deferred debits and other assets		34,928	34,171
Total assets	[1]	129,396	129,317
Current Liabilities
Short-term borrowings		1,865	2,031
Long-term debt due within one year		3,633	1,819
Accounts payable		3,547	3,562
Accrued expenses		1,719	2,078
Payables to affiliates, current		5	5
Regulatory liabilities, current		686	581
Mark-to-market derivative liabilities, current		719	295
Unamortized energy contract liabilities, current		95	100
Renewable energy credit obligation		509	661
Liabilities held for sale		2	375
Other		1,139	1,264
Total current liabilities		13,919	12,771
Long-term debt		35,077	35,093
Long-term debt to financing trusts		390	390
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		13,194	13,035
Asset retirement obligations, noncurrent		12,502	12,300
Pension obligations		3,880	4,503
Non-pension postretirement benefit obligations		1,983	2,011
Spent nuclear fuel obligation		1,209	1,208
Regulatory liabilities, noncurrent		9,148	9,485
Mark-to-market derivative liabilities, noncurrent		554	473
Unamortized energy contract liabilities, noncurrent		192	238
Other		2,848	2,942
Total deferred credits and other liabilities		45,510	46,195
Total liabilities	[1]	94,896	94,449
Commitments and contingencies
Shareholders' equity
Common Stock, No Par Value		$ 0	$ 0
Common stock, shares authorized		2,000	2,000
Common stock, shares outstanding		978	976
Common stock		$ 19,454	$ 19,373
Treasury stock, shares		2	2
Treasury stock, at cost		$ (123)	$ (123)
Retained earnings/Undistributed earnings (losses)		16,098	16,735
Accumulated other comprehensive loss, net		(3,289)	(3,400)
Total shareholders’ equity		32,140	32,585
Member’s equity
Noncontrolling interests		2,360	2,283
Total equity		34,500	34,868
Total liabilities and shareholders’ equity		129,396	129,317
Variable Interest Entity, Primary Beneficiary [Member]
Current Assets
Cash and cash equivalents		233	98
Restricted cash and cash equivalents		57	47
Accounts receivable
Customer accounts receivable, net		169	148
Unamortized energy contract assets, current		22	22
Inventories, net
Materials and supplies		255	244
Assets held for sale		0	101
Other		408	674
Total current assets		1,188	1,370
Property, plant and equipment, net		5,656	5,803
Deferred debits and other assets
Nuclear decommissioning trust funds		3,215	3,007
Unamortized energy contract assets, noncurrent		237	249
Other		35	52
Total assets		10,331	10,481
Current Liabilities
Long-term debt due within one year		84	94
Accounts payable		67	81
Accrued expenses		56	70
Unamortized energy contract liabilities, current		1	4
Liabilities held for sale		0	16
Other		1	5
Total current liabilities		209	270
Long-term debt		860	889
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		2,377	2,318
Other		133	129
Total liabilities		3,579	3,606
Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		10,093	10,200
Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		3,578	3,598
Exelon Generation Co L L C [Member]
Current Assets
Cash and cash equivalents		542	226
Restricted cash and cash equivalents		59	89
Accounts receivable
Customer accounts receivable		1,410	1,330
Customer allowance for credit losses		(75)	(32)
Customer accounts receivable, net		1,335	1,298
Other accounts receivable		476	352
Other allowance for credit losses		(1)	0
Other accounts receivable, net		475	352
Mark-to-market derivative assets, current		749	644
Receivables from affiliates, current		117	153
Unamortized energy contract assets, current		37	38
Inventories, net
Fossil fuel and emission allowances		204	233
Materials and supplies		986	978
Renewable energy credits, current		341	621
Assets held for sale		11	958
Other		1,353	1,357
Total current assets		6,209	6,947
Accumulated depreciation and amortization		15,024	13,370
Property, plant and equipment, net		19,837	22,214
Deferred debits and other assets
Nuclear decommissioning trust funds		15,400	14,464
Investments		157	184
Goodwill		47	47
Mark-to-market derivative assets, noncurrent		441	555
Prepaid pension asset		1,713	1,558
Unamortized energy contract assets, noncurrent		278	293
Deferred income taxes		14	6
Other		1,725	1,826
Total deferred debits and other assets		19,775	18,933
Total assets	[2]	45,821	48,094
Current Liabilities
Short-term borrowings		500	840
Long-term debt due within one year		1,229	197
Accounts payable		1,489	1,253
Accrued expenses		654	788
Payables to affiliates, current		119	107
Borrowings from Exelon/PHI intercompany money pool		0	285
Mark-to-market derivative liabilities, current		695	262
Unamortized energy contract liabilities, current		4	7
Renewable energy credit obligation		508	661
Liabilities held for sale		2	375
Other		313	444
Total current liabilities		5,513	5,219
Long-term debt		4,627	5,566
Long-term debt to affiliates		322	324
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		3,460	3,656
Asset retirement obligations, noncurrent		12,257	12,054
Non-pension postretirement benefit obligations		857	858
Spent nuclear fuel obligation		1,209	1,208
Payables to affiliates, noncurrent		3,011	3,017
Mark-to-market derivative liabilities, noncurrent		311	205
Unamortized energy contract liabilities, noncurrent		3	3
Other		1,266	1,308
Total deferred credits and other liabilities		22,374	22,309
Total liabilities	[2]	32,836	33,418
Commitments and contingencies
Shareholders' equity
Retained earnings/Undistributed earnings (losses)		1,035	2,805
Accumulated other comprehensive loss, net		(27)	(30)
Member’s equity
Membership interest		9,624	9,624
Total members' equity		10,632	12,399
Noncontrolling interests		2,353	2,277
Total equity		12,985	14,676
Total liabilities and shareholders’ equity		45,821	48,094
Exelon Generation Co L L C [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Current Assets
Cash and cash equivalents		233	98
Restricted cash and cash equivalents		54	44
Accounts receivable
Customer accounts receivable, net		169	148
Unamortized energy contract assets, current		22	22
Inventories, net
Materials and supplies		255	244
Assets held for sale		0	101
Other		404	669
Total current assets		1,181	1,362
Property, plant and equipment, net		5,656	5,803
Deferred debits and other assets
Nuclear decommissioning trust funds		3,215	3,007
Unamortized energy contract assets, noncurrent		237	249
Other		26	42
Total assets		10,315	10,463
Current Liabilities
Long-term debt due within one year		69	68
Accounts payable		67	81
Accrued expenses		56	70
Unamortized energy contract liabilities, current		1	4
Liabilities held for sale		0	16
Other		1	5
Total current liabilities		194	244
Long-term debt		860	889
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		2,377	2,318
Other		133	129
Total liabilities		3,564	3,580
Exelon Generation Co L L C [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		10,077	10,182
Exelon Generation Co L L C [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		3,563	3,572
Commonwealth Edison Co [Member]
Current Assets
Cash and cash equivalents		71	83
Restricted cash and cash equivalents		240	279
Accounts receivable
Customer accounts receivable		687	656
Customer allowance for credit losses		(89)	(97)
Customer accounts receivable, net		598	559
Other accounts receivable		257	239
Other allowance for credit losses		(18)	(21)
Other accounts receivable, net		239	218
Receivables from affiliates, current		22	22
Inventories, net
Inventories, net		170	170
Regulatory assets, current		298	279
Other		77	49
Total current assets		1,715	1,659
Accumulated depreciation and amortization		5,885	5,672
Property, plant and equipment, net		25,170	24,557
Deferred debits and other assets
Regulatory assets, noncurrent		1,846	1,749
Investments		6	6
Goodwill		2,625	2,625
Receivables from affiliates, noncurrent		2,439	2,541
Prepaid pension asset		1,138	1,022
Other		385	307
Total deferred debits and other assets		8,439	8,250
Total assets		35,324	34,466
Current Liabilities
Short-term borrowings		33	323
Long-term debt due within one year		350	350
Accounts payable		575	683
Accrued expenses		346	390
Payables to affiliates, current		102	96
Customer deposits		90	86
Regulatory liabilities, current		419	289
Mark-to-market derivative liabilities, current			33
Other		147	143
Total current liabilities		2,085	2,393
Long-term debt		9,325	8,633
Long-term debt to financing trusts		205	205
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		4,531	4,341
Asset retirement obligations, noncurrent		128	126
Non-pension postretirement benefit obligations		180	173
Regulatory liabilities, noncurrent		6,181	6,403
Mark-to-market derivative liabilities, noncurrent			268
Other		587	595
Total deferred credits and other liabilities		11,849	11,906
Total liabilities		23,464	23,137
Commitments and contingencies
Shareholders' equity
Common stock		1,588	1,588
Other paid-in capital		8,680	8,285
Retained deficit unappropriated		(1,639)	(1,639)
Retained earnings appropriated		3,231	3,095
Total shareholders’ equity		11,860	11,329
Member’s equity
Total liabilities and shareholders’ equity		35,324	34,466
PECO Energy Co [Member]
Current Assets
Cash and cash equivalents		376	19
Restricted cash and cash equivalents		8	7
Accounts receivable
Customer accounts receivable		419	511
Customer allowance for credit losses		(111)	(116)
Customer accounts receivable, net		308	395
Other accounts receivable		106	130
Other allowance for credit losses		(7)	(8)
Other accounts receivable, net		99	122
Receivables from affiliates, current		0	2
Inventories, net
Fossil fuel and emission allowances		25	33
Materials and supplies		42	38
Prepaid utility taxes		76	0
Regulatory assets, current		30	25
Other		37	21
Total current assets		1,001	662
Accumulated depreciation and amortization		3,906	3,843
Property, plant and equipment, net		10,581	10,181
Deferred debits and other assets
Regulatory assets, noncurrent		866	776
Investments		32	30
Receivables from affiliates, noncurrent		571	475
Prepaid pension asset		387	375
Other		53	32
Total deferred debits and other assets		1,909	1,688
Total assets		13,491	12,531
Current Liabilities
Long-term debt due within one year		300	300
Accounts payable		436	479
Accrued expenses		125	129
Payables to affiliates, current		50	50
Borrowings from Exelon/PHI intercompany money pool		0	40
Customer deposits		50	59
Regulatory liabilities, current		109	121
Other		29	30
Total current liabilities		1,099	1,208
Long-term debt		3,825	3,453
Long-term debt to financing trusts		184	184
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		2,345	2,242
Asset retirement obligations, noncurrent		29	29
Non-pension postretirement benefit obligations		287	286
Regulatory liabilities, noncurrent		600	503
Other		92	93
Total deferred credits and other liabilities		3,353	3,153
Total liabilities		8,461	7,998
Commitments and contingencies
Shareholders' equity
Common stock		3,409	3,014
Retained earnings/Undistributed earnings (losses)		1,621	1,519
Total shareholders’ equity		5,030	4,533
Member’s equity
Total liabilities and shareholders’ equity		13,491	12,531
Baltimore Gas and Electric Company [Member]
Current Assets
Cash and cash equivalents		368	144
Restricted cash and cash equivalents		3	1
Accounts receivable
Customer accounts receivable		398	487
Customer allowance for credit losses		(27)	(35)
Customer accounts receivable, net		371	452
Other accounts receivable		146	117
Other allowance for credit losses		(8)	(9)
Other accounts receivable, net		138	108
Receivables from affiliates, current		0	3
Inventories, net
Fossil fuel and emission allowances		27	25
Materials and supplies		48	41
Regulatory assets, current		177	168
Other		9	6
Total current assets		1,141	948
Accumulated depreciation and amortization		4,151	4,034
Property, plant and equipment, net		10,200	9,872
Deferred debits and other assets
Regulatory assets, noncurrent		473	481
Investments		13	10
Prepaid pension asset		302	270
Other		57	69
Total deferred debits and other assets		845	830
Total assets		12,186	11,650
Current Liabilities
Long-term debt due within one year		300	300
Accounts payable		287	346
Accrued expenses		138	205
Payables to affiliates, current		41	61
Customer deposits		101	110
Regulatory liabilities, current		32	30
Other		87	91
Total current liabilities		986	1,143
Long-term debt		3,959	3,364
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		1,643	1,521
Asset retirement obligations, noncurrent		24	23
Non-pension postretirement benefit obligations		179	189
Regulatory liabilities, noncurrent		998	1,109
Other		92	104
Total deferred credits and other liabilities		2,936	2,946
Total liabilities		7,881	7,453
Commitments and contingencies
Shareholders' equity
Common stock		2,318	2,318
Retained earnings/Undistributed earnings (losses)		1,987	1,879
Total shareholders’ equity		4,305	4,197
Member’s equity
Total liabilities and shareholders’ equity		12,186	11,650
Pepco Holdings LLC [Member]
Current Assets
Cash and cash equivalents		61	111
Restricted cash and cash equivalents		42	39
Accounts receivable
Customer accounts receivable		617	611
Customer allowance for credit losses		(93)	(86)
Customer accounts receivable, net		524	525
Other accounts receivable		286	260
Other allowance for credit losses		(38)	(33)
Other accounts receivable, net		248	227
Receivables from affiliates, current		1	8
Inventories, net
Fossil fuel and emission allowances		5	6
Materials and supplies		196	198
Regulatory assets, current		431	440
Other		77	45
Total current assets		1,585	1,599
Accumulated depreciation and amortization		1,827	1,811
Property, plant and equipment, net		15,927	15,377
Deferred debits and other assets
Regulatory assets, noncurrent		1,898	1,933
Investments		145	140
Goodwill		4,005	4,005
Prepaid pension asset		370	365
Deferred income taxes		10	10
Other		295	307
Total deferred debits and other assets		6,723	6,760
Total assets	[3]	24,235	23,736
Current Liabilities
Short-term borrowings		332	368
Long-term debt due within one year		300	347
Accounts payable		517	539
Accrued expenses		246	299
Payables to affiliates, current		75	104
Borrowings from Exelon/PHI intercompany money pool		9	21
Customer deposits		89	106
Regulatory liabilities, current		123	137
Unamortized energy contract liabilities, current		92	92
Other		131	141
Total current liabilities		1,914	2,154
Long-term debt		7,069	6,659
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		2,541	2,439
Asset retirement obligations, noncurrent		59	59
Non-pension postretirement benefit obligations		75	86
Regulatory liabilities, noncurrent		1,338	1,438
Unamortized energy contract liabilities, noncurrent		190	235
Other		590	622
Total deferred credits and other liabilities		4,793	4,879
Total liabilities	[3]	13,776	13,692
Commitments and contingencies
Shareholders' equity
Retained earnings/Undistributed earnings (losses)		(213)	(68)
Member’s equity
Membership interest		10,672	10,112
Total members' equity		10,459	10,044
Total equity		10,459	10,044
Total liabilities and shareholders’ equity		24,235	23,736
Pepco Holdings LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Current Assets
Cash and cash equivalents		0	0
Restricted cash and cash equivalents		3	3
Accounts receivable
Customer accounts receivable, net		0	0
Unamortized energy contract assets, current		0	0
Inventories, net
Materials and supplies		0	0
Assets held for sale		0	0
Other		4	5
Total current assets		7	8
Property, plant and equipment, net		0	0
Deferred debits and other assets
Nuclear decommissioning trust funds		0	0
Unamortized energy contract assets, noncurrent		0	0
Other		9	10
Total assets		16	18
Current Liabilities
Long-term debt due within one year		15	26
Accounts payable		0	0
Accrued expenses		0	0
Unamortized energy contract liabilities, current		0	0
Liabilities held for sale		0	0
Other		0	0
Total current liabilities		15	26
Long-term debt		0	0
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		0	0
Other		0	0
Total liabilities		15	26
Pepco Holdings LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		16	18
Pepco Holdings LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		15	26
Potomac Electric Power Company [Member]
Current Assets
Cash and cash equivalents		17	30
Restricted cash and cash equivalents		33	35
Accounts receivable
Customer accounts receivable		290	279
Customer allowance for credit losses		(38)	(32)
Customer accounts receivable, net		252	247
Other accounts receivable		155	131
Other allowance for credit losses		(16)	(13)
Other accounts receivable, net		139	118
Receivables from affiliates, current		0	2
Inventories, net
Inventories, net		110	111
Regulatory assets, current		215	214
Other		13	13
Total current assets		779	770
Accumulated depreciation and amortization		3,782	3,697
Property, plant and equipment, net		7,771	7,456
Deferred debits and other assets
Regulatory assets, noncurrent		571	570
Investments		118	115
Prepaid pension asset		282	284
Other		67	69
Total deferred debits and other assets		1,038	1,038
Total assets		9,588	9,264
Current Liabilities
Short-term borrowings		154	35
Long-term debt due within one year		204	3
Accounts payable		215	226
Accrued expenses		123	164
Payables to affiliates, current		42	55
Borrowings from Exelon/PHI intercompany money pool		9	0
Customer deposits		41	51
Regulatory liabilities, current		38	46
Merger related obligation		29	33
Current portion of DC PLUG obligation		30	30
Other		29	31
Total current liabilities		914	674
Long-term debt		3,114	3,162
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		1,244	1,189
Asset retirement obligations, noncurrent		39	39
Non-pension postretirement benefit obligations		7	13
Regulatory liabilities, noncurrent		599	644
Other		319	340
Total deferred credits and other liabilities		2,208	2,225
Total liabilities		6,236	6,061
Commitments and contingencies
Shareholders' equity
Common stock		2,196	2,058
Retained earnings/Undistributed earnings (losses)		1,156	1,145
Total shareholders’ equity		3,352	3,203
Member’s equity
Total liabilities and shareholders’ equity		9,588	9,264
Delmarva Power and Light Company [Member]
Current Assets
Cash and cash equivalents		17	15
Restricted cash and cash equivalents		5	0
Accounts receivable
Customer accounts receivable		139	176
Customer allowance for credit losses		(19)	(22)
Customer accounts receivable, net		120	154
Other accounts receivable		62	68
Other allowance for credit losses		(9)	(9)
Other accounts receivable, net		53	59
Receivables from affiliates, current		0	1
Receivable from Exelon/PHI intercompany money pool		9	0
Inventories, net
Fossil fuel and emission allowances		5	6
Materials and supplies		52	51
Prepaid utility taxes		0	11
Regulatory assets, current		70	58
Renewable energy credits, current		18	10
Other		3	3
Total current assets		352	368
Accumulated depreciation and amortization		1,571	1,533
Property, plant and equipment, net		4,425	4,314
Deferred debits and other assets
Regulatory assets, noncurrent		223	222
Goodwill		8	8
Prepaid pension asset		159	162
Other		62	66
Total deferred debits and other assets		452	458
Total assets		5,229	5,140
Current Liabilities
Short-term borrowings		0	146
Long-term debt due within one year		82	82
Accounts payable		125	126
Accrued expenses		40	46
Payables to affiliates, current		23	36
Customer deposits		28	32
Regulatory liabilities, current		46	47
Other		14	20
Total current liabilities		358	535
Long-term debt		1,722	1,595
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		745	715
Asset retirement obligations, noncurrent		14	14
Non-pension postretirement benefit obligations		13	15
Regulatory liabilities, noncurrent		462	493
Other		96	97
Total deferred credits and other liabilities		1,330	1,334
Total liabilities		3,410	3,464
Commitments and contingencies
Shareholders' equity
Common stock		1,209	1,089
Retained earnings/Undistributed earnings (losses)		610	587
Total shareholders’ equity		1,819	1,676
Member’s equity
Total liabilities and shareholders’ equity		5,229	5,140
Atlantic City Electric Company [Member]
Current Assets
Cash and cash equivalents		11	17
Restricted cash and cash equivalents		3	3
Accounts receivable
Customer accounts receivable		188	156
Customer allowance for credit losses		(36)	(32)
Customer accounts receivable, net		152	124
Other accounts receivable		69	72
Other allowance for credit losses		(13)	(11)
Other accounts receivable, net		56	61
Receivables from affiliates, current		1	6
Inventories, net
Inventories, net		35	37
Prepaid utility taxes		37	0
Regulatory assets, current		53	75
Other		5	3
Total current assets		353	326
Accumulated depreciation and amortization		1,358	1,303
Property, plant and equipment, net		3,614	3,475
Deferred debits and other assets
Regulatory assets, noncurrent		422	395
Prepaid pension asset		35	40
Other		49	50
Total deferred debits and other assets		506	485
Total assets	[4]	4,473	4,286
Current Liabilities
Short-term borrowings		178	187
Long-term debt due within one year		13	261
Accounts payable		170	177
Accrued expenses		38	46
Payables to affiliates, current		30	31
Customer deposits		20	23
Regulatory liabilities, current		39	44
Other		11	11
Total current liabilities		499	780
Long-term debt		1,502	1,152
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		643	624
Non-pension postretirement benefit obligations		14	17
Regulatory liabilities, noncurrent		252	274
Other		47	48
Total deferred credits and other liabilities		956	963
Total liabilities	[4]	2,957	2,895
Commitments and contingencies
Shareholders' equity
Common stock		1,574	1,271
Retained earnings/Undistributed earnings (losses)		(58)	120
Total shareholders’ equity		1,516	1,391
Member’s equity
Total liabilities and shareholders’ equity		4,473	4,286
Atlantic City Electric Company [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Current Assets
Cash and cash equivalents		0	0
Restricted cash and cash equivalents		3	3
Accounts receivable
Customer accounts receivable, net		0	0
Unamortized energy contract assets, current		0	0
Inventories, net
Materials and supplies		0	0
Assets held for sale		0	0
Other		0	0
Total current assets		3	3
Property, plant and equipment, net		0	0
Deferred debits and other assets
Nuclear decommissioning trust funds		0	0
Unamortized energy contract assets, noncurrent		0	0
Other		9	10
Total assets		12
Current Liabilities
Long-term debt due within one year		11	21
Accounts payable		0	0
Accrued expenses		0	0
Unamortized energy contract liabilities, current		0	0
Liabilities held for sale		0	0
Other		0	0
Total current liabilities		11	21
Long-term debt		0	0
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		0	0
Other		0	0
Total liabilities		11	21
Atlantic City Electric Company [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		12	13
Atlantic City Electric Company [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		$ 11	$ 21

[1] Exelon’s consolidated assets include $10,093 million and $10,200 million at June 30, 2021 and December 31, 2020, respectively, of certain VIEs that can only be used to settle the liabilities of the VIE. Exelon’s consolidated liabilities include $3,578 million and $3,598 million at June 30, 2021 and December 31, 2020, respectively, of certain VIEs for which the VIE creditors do not have recourse to Exelon. See Note 17 — Variable Interest Entities for additional information.

[2] Generation’s consolidated assets include $10,077 million and $10,182 million at June 30, 2021 and December 31, 2020, respectively, of certain VIEs that can only be used to settle the liabilities of the VIE. Generation’s consolidated liabilities include $3,563 million and $3,572 million at June 30, 2021 and December 31, 2020, respectively, of certain VIEs for which the VIE creditors do not have recourse to Generation. See Note 17 — Variable Interest Entities for additional information.

[3] PHI’s consolidated total assets include $16 million and $18 million at June 30, 2021 and December 31, 2020, respectively, of PHI's consolidated VIE that can only be used to settle the liabilities of the VIE. PHI’s consolidated total liabilities include $15 million and $26 million at June 30, 2021 and December 31, 2020, respectively, of PHI's consolidated VIE for which the VIE creditors do not have recourse to PHI. See Note 17 — Variable Interest Entities for additional information.

[4] ACE’s consolidated total assets include $12 million and $13 million at June 30, 2021 and December 31, 2020, respectively, of ACE's consolidated VIE that can only be used to settle the liabilities of the VIE. ACE’s consolidated total liabilities include $11 million and $21 million at June 30, 2021 and December 31, 2020, respectively, of ACE's consolidated VIE for which the VIE creditors do not have recourse to ACE. See Note 17 — Variable Interest Entities for additional information.