Consolidated Balance Sheets (Unaudited) - USD ($) shares in Millions, $ in Millions		Sep. 30, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents		$ 1,858	$ 587
Restricted cash and cash equivalents		485	358
Accounts receivable
Customer accounts receivable		3,150	4,835
Customer allowance for credit losses		(358)	(243)
Customer accounts receivable, net		2,792	4,592
Other accounts receivable		1,576	1,631
Other allowance for credit losses		(75)	(48)
Other accounts receivable, net		1,501	1,583
Mark-to-market derivative assets, current		472	679
Unamortized energy contract assets, current		41	47
Inventories, net
Fossil fuel and emission allowances		311	312
Materials and supplies		1,405	1,456
Regulatory assets, current		1,170	1,170
Other		2,277	1,253
Total current assets		12,312	12,037
Accumulated depreciation and amortization		25,582	23,979
Property, plant and equipment, net		82,561	80,233
Deferred debits and other assets
Regulatory assets, noncurrent		8,485	8,335
Nuclear decommissioning trust funds		13,432	13,190
Investments		444	464
Goodwill		6,677	6,677
Mark-to-market derivative assets, noncurrent		383	508
Unamortized energy contract assets, noncurrent		308	336
Other		3,165	3,197
Total deferred debits and other assets		32,894	32,707
Total assets	[1]	127,767	124,977
Current Liabilities
Short-term borrowings		1,181	1,370
Long-term debt due within one year		2,077	4,710
Accounts payable		3,182	3,560
Accrued expenses		1,879	1,981
Payables to affiliates, current		5	5
Regulatory liabilities, current		575	406
Mark-to-market derivative liabilities, current		177	247
Unamortized energy contract liabilities, current		107	132
Renewable energy credit obligation		604	443
Other		1,475	1,331
Total current liabilities		11,262	14,185
Long-term debt		35,512	31,329
Long-term debt to financing trusts		390	390
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		13,058	12,351
Asset retirement obligations, noncurrent		11,989	10,846
Pension obligations		3,648	4,247
Non-pension postretirement benefit obligations		2,128	2,076
Spent nuclear fuel obligation		1,207	1,199
Regulatory liabilities, noncurrent		9,495	9,986
Mark-to-market derivative liabilities, noncurrent		396	393
Unamortized energy contract liabilities, noncurrent		266	338
Other		3,313	3,064
Total deferred credits and other liabilities		45,500	44,500
Total liabilities	[1]	92,664	90,404
Commitments and contingencies
Common stock, Shares, Outstanding		976	973
Shareholders' equity
Common stock, Shares Authorized		2,000	2,000
Common stock, Shares, Outstanding		976	973
Common stock		$ 19,362	$ 19,274
Treasury Stock, Shares		2	2
Treasury stock, at cost		$ (123)	$ (123)
Retained earnings/Undistributed earnings (losses)		16,749	16,267
Accumulated other comprehensive loss, net		(3,104)	(3,194)
Total shareholders’ equity		32,884	32,224
Member’s equity
Noncontrolling interests		2,219	2,349
Total equity		35,103	34,573
Total liabilities and shareholders’ equity		127,767	124,977
Variable Interest Entity, Primary Beneficiary [Member]
Current Assets
Cash and cash equivalents		148	163
Restricted cash and cash equivalents		52	88
Accounts receivable
Customer accounts receivable, net		151	151
Unamortized energy contract assets, current		22	23
Inventories, net
Materials and supplies		241	227
Other		781	32
Total current assets		1,434	723
Property, plant and equipment, net		5,865	6,022
Deferred debits and other assets
Nuclear decommissioning trust funds		2,785	2,741
Unamortized energy contract assets, noncurrent		253	250
Other		49	89
Total assets		10,386	9,825
Current Liabilities
Long-term debt due within one year		134	544
Accounts payable		81	106
Accrued expenses		63	70
Unamortized energy contract liabilities, current		5	8
Other		26	3
Total current liabilities		309	731
Long-term debt		913	527
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		2,210	2,128
Unamortized energy contract liabilities, noncurrent		1	1
Other		106	89
Total liabilities		3,539	3,476
Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		10,102	9,532
Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		3,531	3,473
Exelon Generation Co L L C [Member]
Current Assets
Cash and cash equivalents		623	303
Restricted cash and cash equivalents		100	146
Accounts receivable
Customer accounts receivable		1,089	2,973
Customer allowance for credit losses		(33)	(80)
Customer accounts receivable, net		1,056	2,893
Other accounts receivable		311	619
Other accounts receivable, net		311	619
Mark-to-market derivative assets, current		471	675
Receivables from affiliates, current		109	190
Unamortized energy contract assets, current		41	47
Inventories, net
Fossil fuel and emission allowances		238	236
Materials and supplies		971	1,026
Renewable energy credits, current		576	336
Other		1,387	605
Total current assets		5,883	7,076
Accumulated depreciation and amortization		12,588	12,017
Property, plant and equipment, net		23,709	24,193
Deferred debits and other assets
Nuclear decommissioning trust funds		13,432	13,190
Investments		197	235
Goodwill		47	47
Mark-to-market derivative assets, noncurrent		383	508
Prepaid pension asset		1,584	1,438
Unamortized energy contract assets, noncurrent		308	336
Deferred income taxes		9	12
Other		1,820	1,960
Total deferred debits and other assets		17,780	17,726
Total assets	[2]	47,372	48,995
Current Liabilities
Short-term borrowings		540	320
Long-term debt due within one year		203	2,624
Long-term debt to affiliates due within one year		551	558
Accounts payable		1,109	1,692
Accrued expenses		699	786
Payables to affiliates, current		113	117
Mark-to-market derivative liabilities, current		147	215
Unamortized energy contract liabilities, current		8	17
Renewable energy credit obligation		604	443
Other		437	517
Total current liabilities		4,411	7,289
Long-term debt		5,677	4,464
Long-term debt to affiliates		325	328
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		3,715	3,752
Asset retirement obligations, noncurrent		11,744	10,603
Non-pension postretirement benefit obligations		864	878
Spent nuclear fuel obligation		1,207	1,199
Payables to affiliates, noncurrent		2,888	3,103
Mark-to-market derivative liabilities, noncurrent		121	123
Unamortized energy contract liabilities, noncurrent		8	11
Other		1,488	1,415
Total deferred credits and other liabilities		22,035	21,084
Total liabilities	[2]	32,448	33,165
Commitments and contingencies
Shareholders' equity
Retained earnings/Undistributed earnings (losses)		3,114	3,950
Accumulated other comprehensive loss, net		(36)	(32)
Member’s equity
Membership interest		9,633	9,566
Total members' equity		12,711	13,484
Noncontrolling interests		2,213	2,346
Total equity		14,924	15,830
Total liabilities and shareholders’ equity		47,372	48,995
Exelon Generation Co L L C [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Current Assets
Cash and cash equivalents		148	163
Restricted cash and cash equivalents		48	85
Accounts receivable
Customer accounts receivable, net		151	151
Unamortized energy contract assets, current		22	23
Inventories, net
Materials and supplies		241	227
Other		776	31
Total current assets		1,425	719
Property, plant and equipment, net		5,865	6,022
Deferred debits and other assets
Nuclear decommissioning trust funds		2,785	2,741
Unamortized energy contract assets, noncurrent		253	250
Other		38	73
Total assets		10,366	9,805
Current Liabilities
Long-term debt due within one year		109	523
Accounts payable		81	106
Accrued expenses		63	70
Unamortized energy contract liabilities, current		5	8
Other		26	3
Total current liabilities		284	710
Long-term debt		906	504
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		2,210	2,128
Unamortized energy contract liabilities, noncurrent		1	1
Other		106	89
Total liabilities		3,507	3,432
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		10,082	9,512
Exelon Generation Co L L C [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		3,499	3,429
Commonwealth Edison Co [Member]
Current Assets
Cash and cash equivalents		76	90
Restricted cash and cash equivalents		305	150
Accounts receivable
Customer accounts receivable		707	604
Customer allowance for credit losses		(105)	(59)
Customer accounts receivable, net		602	545
Other accounts receivable		309	306
Other allowance for credit losses		(27)	(20)
Other accounts receivable, net		282	286
Receivables from affiliates, current		20	28
Inventories, net
Inventories, net		160	159
Regulatory assets, current		274	281
Other		59	44
Total current assets		1,778	1,583
Accumulated depreciation and amortization		5,533	5,168
Property, plant and equipment, net		24,081	23,107
Deferred debits and other assets
Regulatory assets, noncurrent		1,742	1,480
Investments		6	6
Goodwill		2,625	2,625
Receivables from affiliates, noncurrent		2,445	2,622
Prepaid pension asset		1,050	995
Other		516	347
Total deferred debits and other assets		8,384	8,075
Total assets		34,243	32,765
Current Liabilities
Short-term borrowings		141	130
Long-term debt due within one year		350	500
Accounts payable		671	527
Accrued expenses		282	385
Payables to affiliates, current		82	103
Customer deposits		100	118
Regulatory liabilities, current		251	200
Mark-to-market derivative liabilities, current		30	32
Deferred Prosecution Agreement payments		200	0
Other		140	122
Total current liabilities		2,247	2,117
Long-term debt		8,631	7,991
Long-term debt to financing trusts		205	205
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		4,299	4,021
Asset retirement obligations, noncurrent		126	128
Non-pension postretirement benefit obligations		175	180
Regulatory liabilities, noncurrent		6,420	6,542
Mark-to-market derivative liabilities, noncurrent		274	269
Other		771	635
Total deferred credits and other liabilities		12,065	11,775
Total liabilities		23,148	22,088
Commitments and contingencies
Shareholders' equity
Common stock		1,588	1,588
Other paid-in capital		8,060	7,572
Retained deficit unappropriated		(1,700)	(1,639)
Retained earnings appropriated		3,147	3,156
Total shareholders’ equity		11,095	10,677
Member’s equity
Total liabilities and shareholders’ equity		34,243	32,765
PECO Energy Co [Member]
Current Assets
Cash and cash equivalents		242	21
Restricted cash and cash equivalents		7	6
Accounts receivable
Customer accounts receivable		412	412
Customer allowance for credit losses		(96)	(55)
Customer accounts receivable, net		316	357
Other accounts receivable		126	145
Other allowance for credit losses		(7)	(7)
Other accounts receivable, net		119	138
Receivables from affiliates, current		0	1
Receivable from Exelon/PHI intercompany money pool		0	68
Inventories, net
Fossil fuel and emission allowances		36	36
Materials and supplies		37	35
Prepaid utility taxes		35	0
Regulatory assets, current		38	41
Other		23	19
Total current assets		853	722
Accumulated depreciation and amortization		3,804	3,718
Property, plant and equipment, net		9,912	9,292
Deferred debits and other assets
Regulatory assets, noncurrent		692	554
Investments		29	27
Receivables from affiliates, noncurrent		443	480
Prepaid pension asset		377	365
Other		28	29
Total deferred debits and other assets		1,569	1,455
Total assets		12,334	11,469
Current Liabilities
Long-term debt due within one year		300	0
Accounts payable		443	387
Accrued expenses		124	101
Payables to affiliates, current		47	55
Customer deposits		63	69
Regulatory liabilities, current		129	91
Other		27	19
Total current liabilities		1,133	722
Long-term debt		3,453	3,405
Long-term debt to financing trusts		184	184
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		2,194	2,080
Asset retirement obligations, noncurrent		29	28
Non-pension postretirement benefit obligations		286	288
Regulatory liabilities, noncurrent		471	510
Other		96	74
Total deferred credits and other liabilities		3,076	2,980
Total liabilities		7,846	7,291
Commitments and contingencies
Shareholders' equity
Common stock		3,014	2,766
Retained earnings/Undistributed earnings (losses)		1,474	1,412
Total shareholders’ equity		4,488	4,178
Member’s equity
Total liabilities and shareholders’ equity		12,334	11,469
Baltimore Gas and Electric Company [Member]
Current Assets
Cash and cash equivalents		326	24
Restricted cash and cash equivalents		1	1
Accounts receivable
Customer accounts receivable		357	329
Customer allowance for credit losses		(35)	(12)
Customer accounts receivable, net		322	317
Other accounts receivable		114	152
Other allowance for credit losses		(9)	(5)
Other accounts receivable, net		105	147
Receivables from affiliates, current		0	1
Inventories, net
Fossil fuel and emission allowances		31	30
Materials and supplies		43	46
Prepaid utility taxes		0	78
Regulatory assets, current		167	183
Other		6	6
Total current assets		1,001	833
Accumulated depreciation and amortization		3,963	3,834
Property, plant and equipment, net		9,541	8,990
Deferred debits and other assets
Regulatory assets, noncurrent		473	454
Investments		8	7
Prepaid pension asset		283	264
Other		64	86
Total deferred debits and other assets		828	811
Total assets		11,370	10,634
Current Liabilities
Short-term borrowings		0	76
Accounts payable		273	243
Accrued expenses		178	152
Payables to affiliates, current		39	66
Customer deposits		115	120
Regulatory liabilities, current		39	33
Other		76	63
Total current liabilities		720	753
Long-term debt		3,664	3,270
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		1,504	1,396
Asset retirement obligations, noncurrent		24	22
Non-pension postretirement benefit obligations		190	199
Regulatory liabilities, noncurrent		1,121	1,195
Other		93	116
Total deferred credits and other liabilities		2,932	2,928
Total liabilities		7,316	6,951
Commitments and contingencies
Shareholders' equity
Common stock		2,191	1,907
Retained earnings/Undistributed earnings (losses)		1,863	1,776
Total shareholders’ equity		4,054	3,683
Member’s equity
Total liabilities and shareholders’ equity		11,370	10,634
Pepco Holdings LLC [Member]
Current Assets
Cash and cash equivalents		196	131
Restricted cash and cash equivalents		38	36
Accounts receivable
Customer accounts receivable		584	516
Customer allowance for credit losses		(89)	(37)
Customer accounts receivable, net		495	479
Other accounts receivable		244	190
Other allowance for credit losses		(32)	(16)
Other accounts receivable, net		212	174
Receivables from affiliates, current		0	1
Inventories, net
Fossil fuel and emission allowances		7	8
Materials and supplies		194	190
Regulatory assets, current		440	412
Other		52	49
Total current assets		1,634	1,480
Accumulated depreciation and amortization		1,692	1,213
Property, plant and equipment, net		14,954	14,296
Deferred debits and other assets
Regulatory assets, noncurrent		1,972	2,061
Investments		138	135
Goodwill		4,005	4,005
Prepaid pension asset		381	406
Deferred income taxes		10	13
Other		300	323
Total deferred debits and other assets		6,806	6,943
Total assets	[3]	23,394	22,719
Current Liabilities
Short-term borrowings		0	208
Long-term debt due within one year		349	103
Accounts payable		507	462
Accrued expenses		279	296
Payables to affiliates, current		71	98
Borrowings from Exelon/PHI intercompany money pool		21	12
Customer deposits		111	117
Regulatory liabilities, current		143	70
Unamortized energy contract liabilities, current		98	115
Other		144	131
Total current liabilities		1,723	1,612
Long-term debt		6,671	6,460
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		2,409	2,278
Asset retirement obligations, noncurrent		58	57
Non-pension postretirement benefit obligations		85	93
Regulatory liabilities, noncurrent		1,471	1,707
Unamortized energy contract liabilities, noncurrent		258	327
Other		650	577
Total deferred credits and other liabilities		4,931	5,039
Total liabilities	[3]	13,325	13,111
Commitments and contingencies
Shareholders' equity
Retained earnings/Undistributed earnings (losses)		(43)	(10)
Member’s equity
Membership interest		10,112	9,618
Total members' equity		10,069	9,608
Total equity		10,069	9,608
Total liabilities and shareholders’ equity		23,394	22,719
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
Other		5	1
Total current assets		9	4
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		11	16
Total assets		20	20
Current Liabilities
Long-term debt due within one year		25	21
Accounts payable		0	0
Accrued expenses		0	0
Unamortized energy contract liabilities, current		0	0
Other		0	0
Total current liabilities		25	21
Long-term debt		7	23
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		0	0
Unamortized energy contract liabilities, noncurrent		0	0
Other		0	0
Total liabilities		32	44
Pepco Holdings LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		20	20
Pepco Holdings LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		32	44
Potomac Electric Power Company [Member]
Current Assets
Cash and cash equivalents		125	30
Restricted cash and cash equivalents		33	33
Accounts receivable
Customer accounts receivable		278	244
Customer allowance for credit losses		(35)	(13)
Customer accounts receivable, net		243	231
Other accounts receivable		129	98
Other allowance for credit losses		(13)	(7)
Other accounts receivable, net		116	91
Receivable from Exelon/PHI intercompany money pool		117	0
Inventories, net
Inventories, net		110	112
Regulatory assets, current		200	188
Other		13	11
Total current assets		957	696
Accumulated depreciation and amortization		3,651	3,517
Property, plant and equipment, net		7,236	6,909
Deferred debits and other assets
Regulatory assets, noncurrent		573	584
Investments		113	110
Prepaid pension asset		287	296
Other		61	66
Total deferred debits and other assets		1,034	1,056
Total assets		9,227	8,661
Current Liabilities
Short-term borrowings		0	82
Long-term debt due within one year		3	2
Accounts payable		206	195
Accrued expenses		144	156
Payables to affiliates, current		43	66
Customer deposits		54	57
Regulatory liabilities, current		49	8
Merger related obligation		39	39
Current portion of DC PLUG obligation		30	30
Other		29	22
Total current liabilities		597	657
Long-term debt		3,161	2,862
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		1,194	1,131
Asset retirement obligations, noncurrent		38	41
Non-pension postretirement benefit obligations		14	20
Regulatory liabilities, noncurrent		647	746
Other		354	297
Total deferred credits and other liabilities		2,247	2,235
Total liabilities		6,005	5,754
Commitments and contingencies
Shareholders' equity
Common stock		2,058	1,796
Retained earnings/Undistributed earnings (losses)		1,164	1,111
Total shareholders’ equity		3,222	2,907
Member’s equity
Total liabilities and shareholders’ equity		9,227	8,661
Delmarva Power and Light Company [Member]
Current Assets
Cash and cash equivalents		26	13
Restricted cash and cash equivalents		0	0
Accounts receivable
Customer accounts receivable		141	152
Customer allowance for credit losses		(22)	(11)
Customer accounts receivable, net		119	141
Other accounts receivable		53	42
Other allowance for credit losses		(8)	(4)
Other accounts receivable, net		45	38
Inventories, net
Fossil fuel and emission allowances		7	8
Materials and supplies		49	44
Prepaid utility taxes		17	18
Regulatory assets, current		51	52
Renewable energy credits, current		4	9
Other		3	2
Total current assets		321	325
Accumulated depreciation and amortization		1,502	1,425
Property, plant and equipment, net		4,209	4,035
Deferred debits and other assets
Regulatory assets, noncurrent		227	222
Goodwill		8	8
Prepaid pension asset		164	171
Other		63	69
Total deferred debits and other assets		462	470
Total assets		4,992	4,830
Current Liabilities
Short-term borrowings		0	56
Long-term debt due within one year		81	80
Accounts payable		126	112
Accrued expenses		50	46
Payables to affiliates, current		23	32
Customer deposits		34	36
Regulatory liabilities, current		46	37
Other		19	15
Total current liabilities		379	414
Long-term debt		1,595	1,487
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		689	655
Asset retirement obligations, noncurrent		14	12
Non-pension postretirement benefit obligations		14	16
Regulatory liabilities, noncurrent		516	574
Other		101	92
Total deferred credits and other liabilities		1,334	1,349
Total liabilities		3,308	3,250
Commitments and contingencies
Shareholders' equity
Common stock		1,089	977
Retained earnings/Undistributed earnings (losses)		595	603
Total shareholders’ equity		1,684	1,580
Member’s equity
Total liabilities and shareholders’ equity		4,992	4,830
Atlantic City Electric Company [Member]
Current Assets
Cash and cash equivalents		13	12
Restricted cash and cash equivalents		4	2
Accounts receivable
Customer accounts receivable		165	121
Customer allowance for credit losses		(32)	(13)
Customer accounts receivable, net		133	108
Other accounts receivable		65	53
Other allowance for credit losses		(11)	(5)
Other accounts receivable, net		54	48
Receivables from affiliates, current		1	4
Inventories, net
Inventories, net		34	34
Prepaid utility taxes		9	0
Regulatory assets, current		88	57
Other		4	5
Total current assets		340	270
Accumulated depreciation and amortization		1,276	1,210
Property, plant and equipment, net		3,372	3,190
Deferred debits and other assets
Regulatory assets, noncurrent		395	368
Prepaid pension asset		44	52
Other		50	53
Total deferred debits and other assets		489	473
Total assets	[4]	4,201	3,933
Current Liabilities
Short-term borrowings		0	70
Long-term debt due within one year		261	20
Accounts payable		168	144
Accrued expenses		42	42
Payables to affiliates, current		24	25
Borrowings from Exelon/PHI intercompany money pool		117	0
Customer deposits		23	25
Regulatory liabilities, current		48	25
Other		10	9
Total current liabilities		693	360
Long-term debt		1,156	1,307
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits		617	577
Non-pension postretirement benefit obligations		16	17
Regulatory liabilities, noncurrent		279	357
Other		52	39
Total deferred credits and other liabilities		964	990
Total liabilities	[4]	2,813	2,657
Commitments and contingencies
Shareholders' equity
Common stock		1,271	1,154
Retained earnings/Undistributed earnings (losses)		117	122
Total shareholders’ equity		1,388	1,276
Member’s equity
Total liabilities and shareholders’ equity		4,201	3,933
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
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		10	14
Total assets		14	17
Current Liabilities
Long-term debt due within one year		20	20
Accounts payable		0	0
Accrued expenses		0	0
Unamortized energy contract liabilities, current		0	0
Other		0	0
Total current liabilities		20	20
Long-term debt		6	21
Deferred credits and other liabilities
Asset retirement obligations, noncurrent		0	0
Unamortized energy contract liabilities, noncurrent		0	0
Other		0	0
Total liabilities		26	41
Atlantic City Electric Company [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Deferred debits and other assets
Total assets		14	17
Atlantic City Electric Company [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Deferred credits and other liabilities
Total liabilities		$ 26	$ 41

[1] Exelon’s consolidated assets include $10,102 million and $9,532 million at September 30, 2020 and December 31, 2019, respectively, of certain VIEs that can only be used to settle the liabilities of the VIE. Exelon’s consolidated liabilities include $3,531 million and $3,473 million at September 30, 2020 and December 31, 2019, 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 $10,082 million and $9,512 million at September 30, 2020 and December 31, 2019, respectively, of certain VIEs that can only be used to settle the liabilities of the VIE. Generation’s consolidated liabilities include $3,499 million and $3,429 million at September 30, 2020 and December 31, 2019, 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 $20 million and $20 million at September 30, 2020 and December 31, 2019, respectively, of PHI's consolidated VIE that can only be used to settle the liabilities of the VIE. PHI’s consolidated total liabilities include $32 million and $44 million at September 30, 2020 and December 31, 2019, 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 $14 million and $17 million at September 30, 2020 and December 31, 2019, respectively, of ACE's consolidated VIE that can only be used to settle the liabilities of the VIE. ACE’s consolidated total liabilities include $26 million and $41 million at September 30, 2020 and December 31, 2019, 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.