Consolidated Balance Sheets (Unaudited) - USD ($) shares in Millions, $ in Millions		Mar. 31, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents		$ 1,908	$ 663
Restricted cash and cash equivalents		374	438
Accounts receivable
Customer accounts receivable		4,017	3,597
Customer allowance for credit losses		(442)	(366)
Customer accounts receivable, net		3,575	3,231
Other accounts receivable		1,320	1,469
Other allowance for credit losses		(79)	(71)
Other accounts receivable, net		1,241	1,398
Mark-to-market derivative assets, current		568	644
Unamortized energy contract assets, current		38	38
Inventories, net
Fossil fuel and emission allowances		205	297
Materials and supplies		1,427	1,425
Regulatory assets, current		1,269	1,228
Renewable energy credits, current		694	633
Assets held for sale		11	958
Other		1,687	1,609
Total current assets		12,997	12,562
Property, plant and equipment, net		82,588	82,584
Accumulated depreciation and amortization		28,121	26,727
Deferred debits and other assets
Regulatory assets, noncurrent		8,810	8,759
Nuclear decommissioning trust funds		14,688	14,464
Investments		431	440
Goodwill		6,677	6,677
Mark-to-market derivative assets, noncurrent		491	555
Unamortized energy contract assets, noncurrent		285	294
Other		3,033	2,982
Total deferred debits and other assets		34,415	34,171
Total assets	[1]	130,000	129,317
Current Liabilities
Short-term borrowings		3,128	2,031
Long-term debt due within one year		2,281	1,819
Accounts payable		3,430	3,562
Accrued expenses		1,729	2,078
Payables to affiliates, current		5	5
Regulatory liabilities, current		663	581
Mark-to-market derivative liabilities, current		422	295
Unamortized energy contract liabilities, current		98	100
Renewable energy credit obligation		645	661
Liabilities held for sale		3	375
Other		1,176	1,264
Total current liabilities		13,580	12,771
Long-term debt		36,248	35,093
Long-term debt to financing trusts		390	390
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		13,129	13,035
Asset retirement obligations, noncurrent		12,405	12,300
Pension obligations		3,951	4,503
Non-pension postretirement benefit obligations		1,988	2,011
Spent nuclear fuel obligation		1,208	1,208
Regulatory liabilities, noncurrent		9,130	9,485
Mark-to-market derivative liabilities, noncurrent		453	473
Unamortized energy contract liabilities, noncurrent		217	238
Other		2,988	2,942
Total deferred credits and other liabilities		45,469	46,195
Total liabilities	[1]	95,687	94,449
Commitments and contingencies
Common Stock, No Par Value		$ 0	$ 0
Shareholders' equity
Common stock, shares authorized		2,000	2,000
Common stock, shares outstanding		977	976
Common stock		$ 19,412	$ 19,373
Treasury stock, shares		2	2
Treasury stock, at cost		$ (123)	$ (123)
Retained earnings/Undistributed earnings (losses)		16,072	16,735
Accumulated other comprehensive loss, net		(3,346)	(3,400)
Total shareholders’ equity		32,015	32,585
Member’s equity
Noncontrolling interests		2,298	2,283
Total equity		34,313	34,868
Total liabilities and shareholders’ equity		130,000	129,317
Variable Interest Entity, Primary Beneficiary [Member]
Current Assets
Cash and cash equivalents		175	98
Restricted cash and cash equivalents		37	47
Accounts receivable
Customer accounts receivable, net		145	148
Unamortized energy contract assets, current		22	22
Inventories, net
Materials and supplies		242	244
Assets held for sale		0	101
Other		448	674
Total current assets		1,104	1,370
Property, plant and equipment, net		5,747	5,803
Deferred debits and other assets
Nuclear decommissioning trust funds		3,089	3,007
Unamortized energy contract assets, noncurrent		243	249
Other		47	52
Total assets		10,230	10,481
Current Liabilities
Long-term debt due within one year		90	94
Accounts payable		95	81
Accrued expenses		67	70
Unamortized energy contract liabilities, current		3	4
Liabilities held for sale		0	16
Other		1	5
Total current liabilities		256	270
Long-term debt		861	889
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		2,347	2,318
Other		116	129
Total liabilities		3,580	3,606
Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		9,985	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		721	226
Restricted cash and cash equivalents		41	89
Accounts receivable
Customer accounts receivable		1,857	1,330
Customer allowance for credit losses		(65)	(32)
Customer accounts receivable, net		1,792	1,298
Other accounts receivable		348	352
Other accounts receivable, net		348	352
Mark-to-market derivative assets, current		569	644
Receivables from affiliates, current		106	153
Unamortized energy contract assets, current		38	38
Inventories, net
Fossil fuel and emission allowances		175	233
Materials and supplies		973	978
Renewable energy credits, current		676	621
Assets held for sale		11	958
Other		1,290	1,357
Total current assets		6,740	6,947
Property, plant and equipment, net		21,311	22,214
Accumulated depreciation and amortization		14,355	13,370
Deferred debits and other assets
Nuclear decommissioning trust funds		14,688	14,464
Investments		178	184
Goodwill		47	47
Mark-to-market derivative assets, noncurrent		491	555
Prepaid pension asset		1,736	1,558
Unamortized energy contract assets, noncurrent		285	293
Deferred income taxes		15	6
Other		1,835	1,826
Total deferred debits and other assets		19,275	18,933
Total assets	[2]	47,326	48,094
Current Liabilities
Short-term borrowings		1,837	840
Long-term debt due within one year		699	197
Accounts payable		1,529	1,253
Accrued expenses		692	788
Payables to affiliates, current		125	107
Borrowings from Exelon/PHI intercompany money pool		0	285
Mark-to-market derivative liabilities, current		392	262
Unamortized energy contract liabilities, current		5	7
Renewable energy credit obligation		645	661
Liabilities held for sale		3	375
Other		371	444
Total current liabilities		6,298	5,219
Long-term debt		5,038	5,566
Long-term debt to affiliates		323	324
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		3,542	3,656
Asset retirement obligations, noncurrent		12,157	12,054
Non-pension postretirement benefit obligations		857	858
Spent nuclear fuel obligation		1,208	1,208
Payables to affiliates, noncurrent		2,865	3,017
Mark-to-market derivative liabilities, noncurrent		190	205
Unamortized energy contract liabilities, noncurrent		3	3
Other		1,405	1,308
Total deferred credits and other liabilities		22,227	22,309
Total liabilities	[2]	33,886	33,418
Commitments and contingencies
Shareholders' equity
Retained earnings/Undistributed earnings (losses)		1,554	2,805
Accumulated other comprehensive loss, net		(29)	(30)
Member’s equity
Membership interest		9,624	9,624
Total members' equity		11,149	12,399
Noncontrolling interests		2,291	2,277
Total equity		13,440	14,676
Total liabilities and shareholders’ equity		47,326	48,094
Exelon Generation Co L L C [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Current Assets
Cash and cash equivalents		175	98
Restricted cash and cash equivalents		33	44
Accounts receivable
Customer accounts receivable, net		145	148
Unamortized energy contract assets, current		22	22
Inventories, net
Materials and supplies		242	244
Assets held for sale		0	101
Other		443	669
Total current assets		1,095	1,362
Property, plant and equipment, net		5,747	5,803
Deferred debits and other assets
Nuclear decommissioning trust funds		3,089	3,007
Unamortized energy contract assets, noncurrent		243	249
Other		38	42
Total assets		10,212	10,463
Current Liabilities
Long-term debt due within one year		69	68
Accounts payable		95	81
Accrued expenses		67	70
Unamortized energy contract liabilities, current		3	4
Liabilities held for sale		0	16
Other		1	5
Total current liabilities		235	244
Long-term debt		861	889
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		2,347	2,318
Other		116	129
Total liabilities		3,559	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		9,967	10,182
Exelon Generation Co L L C [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		3,557	3,572
Commonwealth Edison Co [Member]
Current Assets
Cash and cash equivalents		86	83
Restricted cash and cash equivalents		270	279
Accounts receivable
Customer accounts receivable		626	656
Customer allowance for credit losses		(103)	(97)
Customer accounts receivable, net		523	559
Other accounts receivable		243	239
Other allowance for credit losses		(22)	(21)
Other accounts receivable, net		221	218
Receivables from affiliates, current		21	22
Inventories, net
Inventories, net		170	170
Regulatory assets, current		294	279
Other		55	49
Total current assets		1,640	1,659
Property, plant and equipment, net		24,840	24,557
Accumulated depreciation and amortization		5,811	5,672
Deferred debits and other assets
Regulatory assets, noncurrent		1,840	1,749
Investments		6	6
Goodwill		2,625	2,625
Receivables from affiliates, noncurrent		2,375	2,541
Prepaid pension asset		1,165	1,022
Other		334	307
Total deferred debits and other assets		8,345	8,250
Total assets		34,825	34,466
Current Liabilities
Short-term borrowings		135	323
Long-term debt due within one year		350	350
Accounts payable		533	683
Accrued expenses		242	390
Payables to affiliates, current		80	96
Customer deposits		84	86
Regulatory liabilities, current		360	289
Mark-to-market derivative liabilities, current		31	33
Other		128	143
Total current liabilities		1,943	2,393
Long-term debt		9,324	8,633
Long-term debt to financing trusts		205	205
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		4,427	4,341
Asset retirement obligations, noncurrent		127	126
Non-pension postretirement benefit obligations		177	173
Regulatory liabilities, noncurrent		6,172	6,403
Mark-to-market derivative liabilities, noncurrent		264	268
Other		589	595
Total deferred credits and other liabilities		11,756	11,906
Total liabilities		23,228	23,137
Commitments and contingencies
Shareholders' equity
Common stock		1,588	1,588
Other paid-in capital		8,483	8,285
Retained deficit unappropriated		(1,639)	(1,639)
Retained earnings appropriated		3,165	3,095
Total shareholders’ equity		11,597	11,329
Member’s equity
Total liabilities and shareholders’ equity		34,825	34,466
PECO Energy Co [Member]
Current Assets
Cash and cash equivalents		48	19
Restricted cash and cash equivalents		7	7
Accounts receivable
Customer accounts receivable		499	511
Customer allowance for credit losses		(130)	(116)
Customer accounts receivable, net		369	395
Other accounts receivable		140	130
Other allowance for credit losses		(11)	(8)
Other accounts receivable, net		129	122
Receivables from affiliates, current		0	2
Receivable from Exelon/PHI intercompany money pool		48	0
Inventories, net
Fossil fuel and emission allowances		15	33
Materials and supplies		43	38
Prepaid utility taxes		103	0
Regulatory assets, current		29	25
Other		22	21
Total current assets		813	662
Property, plant and equipment, net		10,352	10,181
Accumulated depreciation and amortization		3,897	3,843
Deferred debits and other assets
Regulatory assets, noncurrent		828	776
Investments		30	30
Receivables from affiliates, noncurrent		490	475
Prepaid pension asset		389	375
Other		35	32
Total deferred debits and other assets		1,772	1,688
Total assets		12,937	12,531
Current Liabilities
Long-term debt due within one year		300	300
Accounts payable		431	479
Accrued expenses		100	129
Payables to affiliates, current		46	50
Borrowings from Exelon/PHI intercompany money pool		0	40
Customer deposits		54	59
Regulatory liabilities, current		127	121
Other		31	30
Total current liabilities		1,089	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		2,297	2,242
Asset retirement obligations, noncurrent		29	29
Non-pension postretirement benefit obligations		286	286
Regulatory liabilities, noncurrent		519	503
Other		93	93
Total deferred credits and other liabilities		3,224	3,153
Total liabilities		8,322	7,998
Commitments and contingencies
Shareholders' equity
Common stock		3,014	3,014
Retained earnings/Undistributed earnings (losses)		1,601	1,519
Total shareholders’ equity		4,615	4,533
Member’s equity
Total liabilities and shareholders’ equity		12,937	12,531
Baltimore Gas and Electric Company [Member]
Current Assets
Cash and cash equivalents		21	144
Restricted cash and cash equivalents		1	1
Accounts receivable
Customer accounts receivable		476	487
Customer allowance for credit losses		(43)	(35)
Customer accounts receivable, net		433	452
Other accounts receivable		125	117
Other allowance for credit losses		(9)	(9)
Other accounts receivable, net		116	108
Receivables from affiliates, current		0	3
Inventories, net
Fossil fuel and emission allowances		12	25
Materials and supplies		45	41
Prepaid utility taxes		43	0
Regulatory assets, current		179	168
Other		9	6
Total current assets		859	948
Property, plant and equipment, net		10,026	9,872
Accumulated depreciation and amortization		4,115	4,034
Deferred debits and other assets
Regulatory assets, noncurrent		481	481
Investments		10	10
Prepaid pension asset		314	270
Other		69	69
Total deferred debits and other assets		874	830
Total assets		11,759	11,650
Current Liabilities
Short-term borrowings		156	0
Long-term debt due within one year		300	300
Accounts payable		266	346
Accrued expenses		142	205
Payables to affiliates, current		43	61
Customer deposits		105	110
Regulatory liabilities, current		41	30
Other		83	91
Total current liabilities		1,136	1,143
Long-term debt		3,365	3,364
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		1,609	1,521
Asset retirement obligations, noncurrent		24	23
Non-pension postretirement benefit obligations		182	189
Regulatory liabilities, noncurrent		1,016	1,109
Other		95	104
Total deferred credits and other liabilities		2,926	2,946
Total liabilities		7,427	7,453
Commitments and contingencies
Shareholders' equity
Common stock		2,318	2,318
Retained earnings/Undistributed earnings (losses)		2,014	1,879
Total shareholders’ equity		4,332	4,197
Member’s equity
Total liabilities and shareholders’ equity		11,759	11,650
Pepco Holdings LLC [Member]
Current Assets
Cash and cash equivalents		558	111
Restricted cash and cash equivalents		37	39
Accounts receivable
Customer accounts receivable		557	611
Customer allowance for credit losses		(101)	(86)
Customer accounts receivable, net		456	525
Other accounts receivable		261	260
Other allowance for credit losses		(37)	(33)
Other accounts receivable, net		224	227
Receivables from affiliates, current		0	8
Inventories, net
Fossil fuel and emission allowances		3	6
Materials and supplies		196	198
Regulatory assets, current		450	440
Other		52	45
Total current assets		1,976	1,599
Property, plant and equipment, net		15,651	15,377
Accumulated depreciation and amortization		1,930	1,811
Deferred debits and other assets
Regulatory assets, noncurrent		1,912	1,933
Investments		141	140
Goodwill		4,005	4,005
Prepaid pension asset		383	365
Deferred income taxes		9	10
Other		310	307
Total deferred debits and other assets		6,760	6,760
Total assets	[3]	24,387	23,736
Current Liabilities
Short-term borrowings		0	368
Long-term debt due within one year		304	347
Accounts payable		503	539
Accrued expenses		279	299
Payables to affiliates, current		78	104
Borrowings from Exelon/PHI intercompany money pool		24	21
Customer deposits		96	106
Regulatory liabilities, current		130	137
Unamortized energy contract liabilities, current		92	92
Other		137	141
Total current liabilities		1,643	2,154
Long-term debt		7,273	6,659
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		2,481	2,439
Asset retirement obligations, noncurrent		59	59
Non-pension postretirement benefit obligations		80	86
Regulatory liabilities, noncurrent		1,391	1,438
Unamortized energy contract liabilities, noncurrent		214	235
Other		595	622
Total deferred credits and other liabilities		4,820	4,879
Total liabilities	[3]	13,736	13,692
Commitments and contingencies
Shareholders' equity
Retained earnings/Undistributed earnings (losses)		(21)	(68)
Member’s equity
Membership interest		10,672	10,112
Total members' equity		10,651	10,044
Total equity		10,651	10,044
Total liabilities and shareholders’ equity		24,387	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		4	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		5	5
Total current assets		9	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		18	18
Current Liabilities
Long-term debt due within one year		21	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		21	26
Long-term debt		0	0
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		0	0
Other		0	0
Total liabilities		21	26
Pepco Holdings LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		18	18
Pepco Holdings LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		21	26
Potomac Electric Power Company [Member]
Current Assets
Cash and cash equivalents		134	30
Restricted cash and cash equivalents		33	35
Accounts receivable
Customer accounts receivable		252	279
Customer allowance for credit losses		(41)	(32)
Customer accounts receivable, net		211	247
Other accounts receivable		138	131
Other allowance for credit losses		(15)	(13)
Other accounts receivable, net		123	118
Receivables from affiliates, current		0	2
Inventories, net
Inventories, net		110	111
Regulatory assets, current		224	214
Other		19	13
Total current assets		854	770
Property, plant and equipment, net		7,606	7,456
Accumulated depreciation and amortization		3,746	3,697
Deferred debits and other assets
Regulatory assets, noncurrent		563	570
Investments		116	115
Prepaid pension asset		283	284
Other		71	69
Total deferred debits and other assets		1,033	1,038
Total assets		9,493	9,264
Current Liabilities
Short-term borrowings		0	35
Long-term debt due within one year		4	3
Accounts payable		213	226
Accrued expenses		165	164
Payables to affiliates, current		44	55
Customer deposits		45	51
Regulatory liabilities, current		39	46
Merger related obligation		33	33
Current portion of DC PLUG obligation		30	30
Other		30	31
Total current liabilities		603	674
Long-term debt		3,313	3,162
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		1,209	1,189
Asset retirement obligations, noncurrent		39	39
Non-pension postretirement benefit obligations		9	13
Regulatory liabilities, noncurrent		624	644
Other		324	340
Total deferred credits and other liabilities		2,205	2,225
Total liabilities		6,121	6,061
Commitments and contingencies
Shareholders' equity
Common stock		2,196	2,058
Retained earnings/Undistributed earnings (losses)		1,176	1,145
Total shareholders’ equity		3,372	3,203
Member’s equity
Total liabilities and shareholders’ equity		9,493	9,264
Delmarva Power and Light Company [Member]
Current Assets
Cash and cash equivalents		64	15
Restricted cash and cash equivalents		0	0
Accounts receivable
Customer accounts receivable		160	176
Customer allowance for credit losses		(25)	(22)
Customer accounts receivable, net		135	154
Other accounts receivable		66	68
Other allowance for credit losses		(10)	(9)
Other accounts receivable, net		56	59
Receivables from affiliates, current		0	1
Inventories, net
Fossil fuel and emission allowances		2	6
Materials and supplies		53	51
Prepaid utility taxes		10	11
Regulatory assets, current		65	58
Renewable energy credits, current		14	10
Other		2	3
Total current assets		401	368
Property, plant and equipment, net		4,368	4,314
Accumulated depreciation and amortization		1,563	1,533
Deferred debits and other assets
Regulatory assets, noncurrent		226	222
Goodwill		8	8
Prepaid pension asset		161	162
Other		68	66
Total deferred debits and other assets		463	458
Total assets		5,232	5,140
Current Liabilities
Short-term borrowings		0	146
Long-term debt due within one year		82	82
Accounts payable		119	126
Accrued expenses		49	46
Payables to affiliates, current		24	36
Customer deposits		30	32
Regulatory liabilities, current		49	47
Other		19	20
Total current liabilities		372	535
Long-term debt		1,720	1,595
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		734	715
Asset retirement obligations, noncurrent		14	14
Non-pension postretirement benefit obligations		14	15
Regulatory liabilities, noncurrent		474	493
Other		92	97
Total deferred credits and other liabilities		1,328	1,334
Total liabilities		3,420	3,464
Commitments and contingencies
Shareholders' equity
Common stock		1,209	1,089
Retained earnings/Undistributed earnings (losses)		603	587
Total shareholders’ equity		1,812	1,676
Member’s equity
Total liabilities and shareholders’ equity		5,232	5,140
Atlantic City Electric Company [Member]
Current Assets
Cash and cash equivalents		353	17
Restricted cash and cash equivalents		4	3
Accounts receivable
Customer accounts receivable		146	156
Customer allowance for credit losses		(35)	(32)
Customer accounts receivable, net		111	124
Other accounts receivable		69	72
Other allowance for credit losses		(12)	(11)
Other accounts receivable, net		57	61
Receivables from affiliates, current		1	6
Inventories, net
Inventories, net		34	37
Regulatory assets, current		69	75
Other		2	3
Total current assets		631	326
Property, plant and equipment, net		3,552	3,475
Accumulated depreciation and amortization		1,329	1,303
Deferred debits and other assets
Regulatory assets, noncurrent		407	395
Prepaid pension asset		39	40
Other		50	50
Total deferred debits and other assets		496	485
Total assets	[4]	4,679	4,286
Current Liabilities
Short-term borrowings		0	187
Long-term debt due within one year		218	261
Accounts payable		162	177
Accrued expenses		48	46
Payables to affiliates, current		27	31
Customer deposits		21	23
Regulatory liabilities, current		41	44
Other		9	11
Total current liabilities		526	780
Long-term debt		1,500	1,152
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		629	624
Non-pension postretirement benefit obligations		16	17
Regulatory liabilities, noncurrent		266	274
Other		48	48
Total deferred credits and other liabilities		959	963
Total liabilities	[4]	2,985	2,895
Commitments and contingencies
Shareholders' equity
Common stock		1,574	1,271
Retained earnings/Undistributed earnings (losses)		120	120
Total shareholders’ equity		1,694	1,391
Member’s equity
Total liabilities and shareholders’ equity		4,679	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		4	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		4	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		13	13
Current Liabilities
Long-term debt due within one year		16	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		16	21
Long-term debt		0	0
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		0	0
Other		0	0
Total liabilities		16	21
Atlantic City Electric Company [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		13	13
Atlantic City Electric Company [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		$ 16	$ 21

[1] Exelon’s consolidated assets include $9,985 million and $10,200 million at March 31, 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 March 31, 2021 and December 31, 2020, respectively, of certain VIEs for which the VIE creditors do not have recourse to Exelon. See Note 16 — Variable Interest Entities for additional information.

[2] Generation’s consolidated assets include $9,967 million and $10,182 million at March 31, 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 $3,557 million and $3,572 million at March 31, 2021 and December 31, 2020, respectively, of certain VIEs for which the VIE creditors do not have recourse to Generation. See Note 16 — Variable Interest Entities for additional information.

[3] PHI’s consolidated total assets include $18 million at both March 31, 2021 and December 31, 2020 of PHI's consolidated VIE that can only be used to settle the liabilities of the VIE. PHI’s consolidated total liabilities include $21 million and $26 million at March 31, 2021 and December 31, 2020, respectively, of PHI's consolidated VIE for which the VIE creditors do not have recourse to PHI. See Note 16 — Variable Interest Entities for additional information.

[4] ACE’s consolidated total assets include $13 million at both March 31, 2021 and December 31, 2020, of ACE's consolidated VIE that can only be used to settle the liabilities of the VIE. ACE’s consolidated total liabilities include $16 million and $21 million at March 31, 2021 and December 31, 2020, respectively, of ACE's consolidated VIE for which the VIE creditors do not have recourse to ACE. See Note 16 — Variable Interest Entities for additional information.