Consolidated Balance Sheets (Unaudited) - USD ($) shares in Millions, $ in Millions		Sep. 30, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents		$ 2,957	$ 663
Restricted cash and cash equivalents		473	438
Accounts receivable
Customer accounts receivable		3,530	3,597
Customer allowance for credit losses		(409)	(366)
Customer accounts receivable, net		3,121	3,231
Other accounts receivable		1,616	1,469
Other allowance for credit losses		(77)	(71)
Other accounts receivable, net		1,539	1,398
Mark-to-market derivative assets, current		1,507	644
Unamortized energy contract assets, current		36	38
Inventories, net
Fossil fuel and emission allowances		343	297
Materials and supplies		1,475	1,425
Regulatory assets, current		1,258	1,228
Renewable energy credits, current		492	633
Assets held for sale		11	958
Other		1,665	1,609
Total current assets		14,877	12,562
Accumulated depreciation and amortization		30,049	26,727
Property, plant and equipment, net		82,852	82,584
Deferred debits and other assets
Regulatory assets, noncurrent		8,628	8,759
Nuclear decommissioning trust funds		15,404	14,464
Investments		435	440
Goodwill		6,677	6,677
Mark-to-market derivative assets, noncurrent		665	555
Unamortized energy contract assets, noncurrent		265	294
Other		2,818	2,982
Total deferred debits and other assets		34,892	34,171
Total assets	[1]	132,621	129,317
Current Liabilities
Short-term borrowings		2,667	2,031
Long-term debt due within one year		3,375	1,819
Accounts payable		3,694	3,562
Accrued expenses		1,949	2,078
Payables to affiliates, current		5	5
Regulatory liabilities, current		460	581
Mark-to-market derivative liabilities, current		1,717	295
Unamortized energy contract liabilities, current		92	100
Renewable energy credit obligation		684	661
Liabilities held for sale		3	375
Other		1,180	1,264
Total current liabilities		15,826	12,771
Long-term debt		35,269	35,093
Long-term debt to financing trusts		390	390
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		13,816	13,035
Asset retirement obligations, noncurrent		12,907	12,300
Pension obligations		3,777	4,503
Non-pension postretirement benefit obligations		1,980	2,011
Spent nuclear fuel obligation		1,209	1,208
Regulatory liabilities, noncurrent		9,448	9,485
Mark-to-market derivative liabilities, noncurrent		721	473
Unamortized energy contract liabilities, noncurrent		169	238
Other		2,850	2,942
Total deferred credits and other liabilities		46,877	46,195
Total liabilities	[1]	98,362	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		$ 20,271	$ 19,373
Treasury stock, shares		2	2
Treasury stock, at cost		$ (123)	$ (123)
Retained earnings/Undistributed earnings (losses)		16,926	16,735
Accumulated other comprehensive loss, net		(3,223)	(3,400)
Total shareholders’ equity		33,851	32,585
Member’s equity
Noncontrolling interests		408	2,283
Total equity		34,259	34,868
Total liabilities and shareholders’ equity		132,621	129,317
Variable Interest Entity, Primary Beneficiary [Member]
Current Assets
Cash and cash equivalents		38	98
Restricted cash and cash equivalents		47	47
Accounts receivable
Customer accounts receivable, net		25	148
Unamortized energy contract assets, current		21	22
Inventories, net
Materials and supplies		14	244
Assets held for sale		0	101
Other		517	674
Total current assets		669	1,370
Property, plant and equipment, net		2,052	5,803
Deferred debits and other assets
Nuclear decommissioning trust funds		0	3,007
Unamortized energy contract assets, noncurrent		210	249
Other		22	52
Total assets		2,953	10,481
Current Liabilities
Long-term debt due within one year		80	94
Accounts payable		11	81
Accrued expenses		14	70
Unamortized energy contract liabilities, current		0	4
Liabilities held for sale		0	16
Other		0	5
Total current liabilities		105	270
Long-term debt		832	889
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		149	2,318
Other		3	129
Total liabilities		1,089	3,606
Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		2,722	10,200
Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		1,088	3,598
Exelon Generation Co L L C [Member]
Current Assets
Cash and cash equivalents		1,957	226
Restricted cash and cash equivalents		62	89
Accounts receivable
Customer accounts receivable		1,412	1,330
Customer allowance for credit losses		(84)	(32)
Customer accounts receivable, net		1,328	1,298
Other accounts receivable		465	352
Other allowance for credit losses		(4)	0
Other accounts receivable, net		461	352
Mark-to-market derivative assets, current		1,505	644
Receivables from affiliates, current		184	153
Unamortized energy contract assets, current		36	38
Inventories, net
Fossil fuel and emission allowances		240	233
Materials and supplies		998	978
Renewable energy credits, current		486	621
Assets held for sale		11	958
Other		1,319	1,357
Total current assets		8,587	6,947
Accumulated depreciation and amortization		15,966	13,370
Property, plant and equipment, net		19,574	22,214
Deferred debits and other assets
Nuclear decommissioning trust funds		15,404	14,464
Investments		165	184
Goodwill		47	47
Mark-to-market derivative assets, noncurrent		664	555
Prepaid pension asset		1,702	1,558
Unamortized energy contract assets, noncurrent		265	293
Deferred income taxes		13	6
Other		1,589	1,826
Total deferred debits and other assets		19,849	18,933
Total assets	[2]	48,010	48,094
Current Liabilities
Short-term borrowings		1,380	840
Long-term debt due within one year		1,216	197
Accounts payable		1,612	1,253
Accrued expenses		691	788
Payables to affiliates, current		154	107
Borrowings from Exelon/PHI intercompany money pool		0	285
Mark-to-market derivative liabilities, current		1,709	262
Unamortized energy contract liabilities, current		2	7
Renewable energy credit obligation		682	661
Liabilities held for sale		3	375
Other		347	444
Total current liabilities		7,796	5,219
Long-term debt		4,593	5,566
Long-term debt to affiliates		321	324
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		3,685	3,656
Asset retirement obligations, noncurrent		12,635	12,054
Non-pension postretirement benefit obligations		857	858
Spent nuclear fuel obligation		1,209	1,208
Payables to affiliates, noncurrent		3,143	3,017
Mark-to-market derivative liabilities, noncurrent		511	205
Unamortized energy contract liabilities, noncurrent		1	3
Other		1,224	1,308
Total deferred credits and other liabilities		23,265	22,309
Total liabilities	[2]	35,975	33,418
Commitments and contingencies
Shareholders' equity
Retained earnings/Undistributed earnings (losses)		1,185	2,805
Accumulated other comprehensive loss, net		(31)	(30)
Member’s equity
Membership interest		10,480	9,624
Total members' equity		11,634	12,399
Noncontrolling interests		401	2,277
Total equity		12,035	14,676
Total liabilities and shareholders’ equity		48,010	48,094
Exelon Generation Co L L C [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Current Assets
Cash and cash equivalents		38	98
Restricted cash and cash equivalents		42	44
Accounts receivable
Customer accounts receivable, net		25	148
Unamortized energy contract assets, current		21	22
Inventories, net
Materials and supplies		14	244
Assets held for sale		0	101
Other		513	669
Total current assets		660	1,362
Property, plant and equipment, net		2,052	5,803
Deferred debits and other assets
Nuclear decommissioning trust funds		0	3,007
Unamortized energy contract assets, noncurrent		210	249
Other		13	42
Total assets		2,935	10,463
Current Liabilities
Long-term debt due within one year		70	68
Accounts payable		11	81
Accrued expenses		14	70
Unamortized energy contract liabilities, current		0	4
Liabilities held for sale		0	16
Other		0	5
Total current liabilities		95	244
Long-term debt		832	889
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		149	2,318
Other		3	129
Total liabilities		1,079	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		2,704	10,182
Exelon Generation Co L L C [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		1,078	3,572
Commonwealth Edison Co [Member]
Current Assets
Cash and cash equivalents		241	83
Restricted cash and cash equivalents		276	279
Accounts receivable
Customer accounts receivable		685	656
Customer allowance for credit losses		(88)	(97)
Customer accounts receivable, net		597	559
Other accounts receivable		252	239
Other allowance for credit losses		(19)	(21)
Other accounts receivable, net		233	218
Receivables from affiliates, current		41	22
Inventories, net
Inventories, net		174	170
Regulatory assets, current		287	279
Other		77	49
Total current assets		1,926	1,659
Accumulated depreciation and amortization		5,995	5,672
Property, plant and equipment, net		25,496	24,557
Deferred debits and other assets
Regulatory assets, noncurrent		1,834	1,749
Investments		6	6
Goodwill		2,625	2,625
Receivables from affiliates, noncurrent		2,597	2,541
Prepaid pension asset		1,111	1,022
Other		407	307
Total deferred debits and other assets		8,580	8,250
Total assets		36,002	34,466
Current Liabilities
Short-term borrowings		0	323
Long-term debt due within one year		0	350
Accounts payable		596	683
Accrued expenses		311	390
Payables to affiliates, current		131	96
Customer deposits		97	86
Regulatory liabilities, current		197	289
Mark-to-market derivative liabilities, current		5	33
Other		165	143
Total current liabilities		1,502	2,393
Long-term debt		9,772	8,633
Long-term debt to financing trusts		205	205
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		4,629	4,341
Asset retirement obligations, noncurrent		144	126
Non-pension postretirement benefit obligations		183	173
Regulatory liabilities, noncurrent		6,604	6,403
Mark-to-market derivative liabilities, noncurrent		209	268
Other		603	595
Total deferred credits and other liabilities		12,372	11,906
Total liabilities		23,851	23,137
Commitments and contingencies
Shareholders' equity
Common stock		1,588	1,588
Other paid-in capital		8,878	8,285
Retained deficit unappropriated		(1,639)	(1,639)
Retained earnings appropriated		3,324	3,095
Total shareholders’ equity		12,151	11,329
Member’s equity
Total liabilities and shareholders’ equity		36,002	34,466
PECO Energy Co [Member]
Current Assets
Cash and cash equivalents		344	19
Restricted cash and cash equivalents		8	7
Accounts receivable
Customer accounts receivable		411	511
Customer allowance for credit losses		(101)	(116)
Customer accounts receivable, net		310	395
Other accounts receivable		124	130
Other allowance for credit losses		(7)	(8)
Other accounts receivable, net		117	122
Receivables from affiliates, current		9	2
Inventories, net
Fossil fuel and emission allowances		47	33
Materials and supplies		45	38
Prepaid utility taxes		34	0
Regulatory assets, current		35	25
Other		29	21
Total current assets		978	662
Accumulated depreciation and amortization		3,921	3,843
Property, plant and equipment, net		10,841	10,181
Deferred debits and other assets
Regulatory assets, noncurrent		901	776
Investments		34	30
Receivables from affiliates, noncurrent		546	475
Prepaid pension asset		386	375
Other		47	32
Total deferred debits and other assets		1,914	1,688
Total assets		13,733	12,531
Current Liabilities
Long-term debt due within one year		350	300
Accounts payable		487	479
Accrued expenses		168	129
Payables to affiliates, current		60	50
Borrowings from Exelon/PHI intercompany money pool		0	40
Customer deposits		48	59
Regulatory liabilities, current		102	121
Other		31	30
Total current liabilities		1,246	1,208
Long-term debt		3,846	3,453
Long-term debt to financing trusts		184	184
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		2,385	2,242
Asset retirement obligations, noncurrent		29	29
Non-pension postretirement benefit obligations		288	286
Regulatory liabilities, noncurrent		588	503
Other		92	93
Total deferred credits and other liabilities		3,382	3,153
Total liabilities		8,658	7,998
Commitments and contingencies
Shareholders' equity
Common stock		3,428	3,014
Retained earnings/Undistributed earnings (losses)		1,647	1,519
Total shareholders’ equity		5,075	4,533
Member’s equity
Total liabilities and shareholders’ equity		13,733	12,531
Baltimore Gas and Electric Company [Member]
Current Assets
Cash and cash equivalents		225	144
Restricted cash and cash equivalents		27	1
Accounts receivable
Customer accounts receivable		351	487
Customer allowance for credit losses		(31)	(35)
Customer accounts receivable, net		320	452
Other accounts receivable		149	117
Other allowance for credit losses		(8)	(9)
Other accounts receivable, net		141	108
Receivables from affiliates, current		2	3
Inventories, net
Fossil fuel and emission allowances		46	25
Materials and supplies		50	41
Regulatory assets, current		185	168
Other		8	6
Total current assets		1,004	948
Accumulated depreciation and amortization		4,212	4,034
Property, plant and equipment, net		10,374	9,872
Deferred debits and other assets
Regulatory assets, noncurrent		468	481
Investments		15	10
Prepaid pension asset		289	270
Other		47	69
Total deferred debits and other assets		819	830
Total assets		12,197	11,650
Current Liabilities
Long-term debt due within one year		250	300
Accounts payable		291	346
Accrued expenses		204	205
Payables to affiliates, current		49	61
Customer deposits		98	110
Regulatory liabilities, current		34	30
Other		81	91
Total current liabilities		1,007	1,143
Long-term debt		3,710	3,364
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		1,656	1,521
Asset retirement obligations, noncurrent		26	23
Non-pension postretirement benefit obligations		177	189
Regulatory liabilities, noncurrent		989	1,109
Other		107	104
Total deferred credits and other liabilities		2,955	2,946
Total liabilities		7,672	7,453
Commitments and contingencies
Shareholders' equity
Common stock		2,575	2,318
Retained earnings/Undistributed earnings (losses)		1,950	1,879
Total shareholders’ equity		4,525	4,197
Member’s equity
Total liabilities and shareholders’ equity		12,197	11,650
Pepco Holdings LLC [Member]
Current Assets
Cash and cash equivalents		82	111
Restricted cash and cash equivalents		71	39
Accounts receivable
Customer accounts receivable		671	611
Customer allowance for credit losses		(105)	(86)
Customer accounts receivable, net		566	525
Other accounts receivable		300	260
Other allowance for credit losses		(40)	(33)
Other accounts receivable, net		260	227
Receivables from affiliates, current		3	8
Inventories, net
Fossil fuel and emission allowances		10	6
Materials and supplies		207	198
Regulatory assets, current		434	440
Other		57	45
Total current assets		1,690	1,599
Accumulated depreciation and amortization		1,995	1,811
Property, plant and equipment, net		16,163	15,377
Deferred debits and other assets
Regulatory assets, noncurrent		1,848	1,933
Investments		146	140
Goodwill		4,005	4,005
Prepaid pension asset		357	365
Deferred income taxes		10	10
Other		283	307
Total deferred debits and other assets		6,649	6,760
Total assets	[3]	24,502	23,736
Current Liabilities
Short-term borrowings		287	368
Long-term debt due within one year		405	347
Accounts payable		479	539
Accrued expenses		300	299
Payables to affiliates, current		80	104
Borrowings from Exelon/PHI intercompany money pool		16	21
Customer deposits		82	106
Regulatory liabilities, current		122	137
Unamortized energy contract liabilities, current		90	92
Other		154	141
Total current liabilities		2,015	2,154
Long-term debt		7,077	6,659
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		2,635	2,439
Asset retirement obligations, noncurrent		69	59
Non-pension postretirement benefit obligations		71	86
Regulatory liabilities, noncurrent		1,237	1,438
Unamortized energy contract liabilities, noncurrent		168	235
Other		589	622
Total deferred credits and other liabilities		4,769	4,879
Total liabilities	[3]	13,861	13,692
Commitments and contingencies
Shareholders' equity
Retained earnings/Undistributed earnings (losses)		(138)	(68)
Member’s equity
Membership interest		10,779	10,112
Total members' equity		10,641	10,044
Total equity		10,641	10,044
Total liabilities and shareholders’ equity		24,502	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		5	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		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		10	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		10	26
Long-term debt		0	0
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		0	0
Other		0	0
Total liabilities		10	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		10	26
Potomac Electric Power Company [Member]
Current Assets
Cash and cash equivalents		19	30
Restricted cash and cash equivalents		41	35
Accounts receivable
Customer accounts receivable		306	279
Customer allowance for credit losses		(41)	(32)
Customer accounts receivable, net		265	247
Other accounts receivable		166	131
Other allowance for credit losses		(17)	(13)
Other accounts receivable, net		149	118
Receivables from affiliates, current		0	2
Inventories, net
Inventories, net		117	111
Regulatory assets, current		215	214
Other		12	13
Total current assets		818	770
Accumulated depreciation and amortization		3,831	3,697
Property, plant and equipment, net		7,919	7,456
Deferred debits and other assets
Regulatory assets, noncurrent		548	570
Investments		120	115
Prepaid pension asset		280	284
Other		63	69
Total deferred debits and other assets		1,011	1,038
Total assets		9,748	9,264
Current Liabilities
Short-term borrowings		40	35
Long-term debt due within one year		313	3
Accounts payable		218	226
Accrued expenses		149	164
Payables to affiliates, current		51	55
Customer deposits		37	51
Regulatory liabilities, current		27	46
Merger related obligation		29	33
Current portion of DC PLUG obligation		30	30
Other		22	31
Total current liabilities		916	674
Long-term debt		3,128	3,162
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		1,289	1,189
Asset retirement obligations, noncurrent		45	39
Non-pension postretirement benefit obligations		5	13
Regulatory liabilities, noncurrent		555	644
Other		320	340
Total deferred credits and other liabilities		2,214	2,225
Total liabilities		6,258	6,061
Commitments and contingencies
Shareholders' equity
Common stock		2,302	2,058
Retained earnings/Undistributed earnings (losses)		1,188	1,145
Total shareholders’ equity		3,490	3,203
Member’s equity
Total liabilities and shareholders’ equity		9,748	9,264
Delmarva Power and Light Company [Member]
Current Assets
Cash and cash equivalents		13	15
Restricted cash and cash equivalents		26	0
Accounts receivable
Customer accounts receivable		135	176
Customer allowance for credit losses		(18)	(22)
Customer accounts receivable, net		117	154
Other accounts receivable		59	68
Other allowance for credit losses		(8)	(9)
Other accounts receivable, net		51	59
Receivables from affiliates, current		1	1
Inventories, net
Fossil fuel and emission allowances		10	6
Materials and supplies		52	51
Prepaid utility taxes		16	11
Regulatory assets, current		72	58
Renewable energy credits, current		3	10
Other		4	3
Total current assets		365	368
Accumulated depreciation and amortization		1,608	1,533
Property, plant and equipment, net		4,485	4,314
Deferred debits and other assets
Regulatory assets, noncurrent		219	222
Goodwill		8	8
Prepaid pension asset		158	162
Other		60	66
Total deferred debits and other assets		445	458
Total assets		5,295	5,140
Current Liabilities
Short-term borrowings		22	146
Long-term debt due within one year		83	82
Accounts payable		107	126
Accrued expenses		61	46
Payables to affiliates, current		24	36
Customer deposits		27	32
Regulatory liabilities, current		49	47
Other		41	20
Total current liabilities		414	535
Long-term debt		1,725	1,595
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		761	715
Asset retirement obligations, noncurrent		16	14
Non-pension postretirement benefit obligations		12	15
Regulatory liabilities, noncurrent		446	493
Other		95	97
Total deferred credits and other liabilities		1,330	1,334
Total liabilities		3,469	3,464
Commitments and contingencies
Shareholders' equity
Common stock		1,209	1,089
Retained earnings/Undistributed earnings (losses)		617	587
Total shareholders’ equity		1,826	1,676
Member’s equity
Total liabilities and shareholders’ equity		5,295	5,140
Atlantic City Electric Company [Member]
Current Assets
Cash and cash equivalents		16	17
Restricted cash and cash equivalents		5	3
Accounts receivable
Customer accounts receivable		230	156
Customer allowance for credit losses		(46)	(32)
Customer accounts receivable, net		184	124
Other accounts receivable		75	72
Other allowance for credit losses		(15)	(11)
Other accounts receivable, net		60	61
Receivables from affiliates, current		1	6
Inventories, net
Inventories, net		38	37
Prepaid utility taxes		10	0
Regulatory assets, current		57	75
Other		5	3
Total current assets		376	326
Accumulated depreciation and amortization		1,390	1,303
Property, plant and equipment, net		3,649	3,475
Deferred debits and other assets
Regulatory assets, noncurrent		428	395
Prepaid pension asset		31	40
Other		48	50
Total deferred debits and other assets		507	485
Total assets	[4]	4,532	4,286
Current Liabilities
Short-term borrowings		225	187
Long-term debt due within one year		8	261
Accounts payable		146	177
Accrued expenses		43	46
Payables to affiliates, current		26	31
Customer deposits		19	23
Regulatory liabilities, current		46	44
Other		15	11
Total current liabilities		528	780
Long-term debt		1,502	1,152
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		671	624
Non-pension postretirement benefit obligations		13	17
Regulatory liabilities, noncurrent		211	274
Other		52	48
Total deferred credits and other liabilities		947	963
Total liabilities	[4]	2,977	2,895
Commitments and contingencies
Shareholders' equity
Common stock		1,574	1,271
Retained earnings/Undistributed earnings (losses)		(19)	120
Total shareholders’ equity		1,555	1,391
Member’s equity
Total liabilities and shareholders’ equity		4,532	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		5	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		5	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		14	13
Current Liabilities
Long-term debt due within one year		6	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		6	21
Long-term debt		0	0
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		0	0
Other		0	0
Total liabilities		6	21
Atlantic City Electric Company [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		14	13
Atlantic City Electric Company [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		$ 6	$ 21

[1] Exelon’s consolidated assets include $2,722 million and $10,200 million at September 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 $1,088 million and $3,598 million at September 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 $2,704 million and $10,182 million at September 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 $1,078 million and $3,572 million at September 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 $18 million at both September 30, 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 $10 million and $26 million at September 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 $14 million and $13 million at September 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 $6 million and $21 million at September 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.