Segment Information - Reconciliation to Consolidated Financial Statements (Details) - USD ($) $ in Millions		3 Months Ended						9 Months Ended
		Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenues		$ 8,910			$ 8,853			$ 26,715	$ 24,925
Revenue from Related Parties		0			1			0	4
Depreciation and Amortization		1,624			1,289			4,988	3,312
Operating Expenses		7,117			8,087			24,758	22,387
Interest expense, net		397			404			1,180	1,241
Income (Loss) before income taxes		1,406			786			1,675	1,665
Income taxes		174			216			229	141
Net income (loss)		1,229	$ 476	$ (264)	569	$ 574	$ 376	1,441	1,519
Capital expenditures		1,930			1,833			5,970	5,606
Assets	[1]	132,621						132,621		$ 129,317
Exelon Generation Co L L C [Member]
Segment Reporting Information [Line Items]
Revenues		4,406			4,659			14,117	13,272
Revenue from Related Parties		324			331			872	932
Income (Loss) before income taxes		814			219			(8)	532
Income taxes		177			100			108	41
Net income (loss)		633	13	(769)	117	529	(161)	(122)	485
Capital expenditures								1,086	1,212
Assets	[2]	48,010						48,010		48,094
Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenues		1,470			1,368			3,854	3,554
Revenue from Related Parties		3			6			10	13
Income (Loss) before income taxes		264			215			538	340
Income taxes		(2)			(1)			3	(77)
Net income (loss)		266	$ 141	$ 128	216	$ 94	$ 108	535	418
Capital expenditures								1,299	1,072
Assets	[3]	24,502						24,502		23,736
Commonwealth Edison Co Affiliate [Member] | Exelon Generation Co L L C [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		96			71			249	241
PECO Energy Co Affiliate [Member] | Exelon Generation Co L L C [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		59			68			142	146
Baltimore Gas And Electric Company Affiliate [Member] | Exelon Generation Co L L C [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		65			84			195	252
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues		(877)			(845)			(2,470)	(2,430)
Revenue from Related Parties		(876)			(845)			(2,469)	(2,430)
Depreciation and Amortization		0			0			1	0
Operating Expenses		(858)			(833)			(2,407)	(2,397)
Interest expense, net		0			0			(1)	0
Income (Loss) before income taxes		0			0			1	0
Income taxes		0			0			0	0
Net income (loss)		0			0			1	0
Capital expenditures		0			0			0	0
Assets		(10,210)						(10,210)		(10,165)
Intersegment Eliminations [Member] | Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenues		(93)			(91)			(283)	(281)
Revenue from Related Parties		(93)			(91)			(283)	(281)
Depreciation and Amortization		0			0			0	0
Operating Expenses		(93)			(91)			(283)	(281)
Interest expense, net		0			0			0	0
Income (Loss) before income taxes		0			0			0	0
Income taxes		0			0			0	0
Net income (loss)		0			0			0	0
Capital expenditures		0			0			0	0
Assets		(50)						(50)		(33)
Exelon Generation Co L L C [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenues		4,406			4,659			14,117	13,272
Depreciation and Amortization		866			558			2,735	1,161
Operating Expenses		3,465			4,727			14,605	12,674
Interest expense, net		77			80			225	277
Income (Loss) before income taxes		814			219			(8)	532
Income taxes		177			100			108	41
Net income (loss)		633			117			(122)	485
Capital expenditures		367			282			1,086	1,212
Assets		48,010						48,010		48,094
Exelon Generation Co L L C [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		324			331			872	932
Commonwealth Edison Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenues		1,789			1,643			4,840	4,499
Depreciation and Amortization		304			294			893	841
Operating Expenses		1,428			1,302			3,833	3,798
Interest expense, net		98			95			292	287
Income (Loss) before income taxes		276			256			750	446
Income taxes		56			60			141	142
Net income (loss)		220			196			609	304
Capital expenditures		561			554			1,723	1,583
Assets		36,002						36,002		34,466
Commonwealth Edison Co [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		9			15			19	31
PECO Energy Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenues		818			813			2,399	2,306
Depreciation and Amortization		86			85			259	259
Operating Expenses		677			658			1,908	1,900
Interest expense, net		40			39			119	108
Income (Loss) before income taxes		108			122			392	310
Income taxes		(3)			(16)			9	(7)
Net income (loss)		111			138			383	317
Capital expenditures		301			312			878	824
Assets		13,733						13,733		12,531
PECO Energy Co [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		2			3			6	7
Baltimore Gas and Electric Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenues		770			731			2,426	2,284
Depreciation and Amortization		142			133			434	405
Operating Expenses		709			642			2,080	1,903
Interest expense, net		36			34			103	99
Income (Loss) before income taxes		32			61			266	299
Income taxes		(4)			8			(24)	26
Net income (loss)		36			53			290	273
Capital expenditures		287			290			907	838
Assets		12,197						12,197		11,650
Baltimore Gas and Electric Company [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		7			6			20	16
Pepco Holdings LLC [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenues		1,470			1,368			3,854	3,554
Depreciation and Amortization		210			200			614	585
Operating Expenses		1,155			1,102			3,167	3,057
Interest expense, net		67			67			201	201
Income (Loss) before income taxes		264			215			538	340
Income taxes		(2)			(1)			3	(77)
Net income (loss)		266			216			535	418
Capital expenditures		410			386			1,299	1,072
Assets		24,502						24,502		23,736
Pepco Holdings LLC [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		3			6			10	13
Potomac Electric Power Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenues		660			611			1,736	1,650
Depreciation and Amortization		104			96			302	282
Operating Expenses		501			465			1,396	1,364
Interest expense, net		35			35			104	103
Income (Loss) before income taxes		136			121			273	211
Income taxes		6			3			9	(16)
Net income (loss)		130			118			264	227
Capital expenditures		202			188			641	512
Assets		9,748						9,748		9,264
Potomac Electric Power Company [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		2			3			4	6
Delmarva Power and Light Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenues		360			337			1,040	954
Depreciation and Amortization		53			48			157	143
Operating Expenses		295			296			858	843
Interest expense, net		15			15			47	47
Income (Loss) before income taxes		53			28			144	71
Income taxes		3			1			9	(20)
Net income (loss)		50			27			135	91
Capital expenditures		109			94			320	278
Assets		5,295						5,295		5,140
Delmarva Power and Light Company [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		2			3			6	7
Atlantic City Electric Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenues		451			420			1,080	952
Depreciation and Amortization		46			48			133	134
Operating Expenses		359			338			911	847
Interest expense, net		14			15			43	45
Income (Loss) before income taxes		79			68			129	67
Income taxes		(11)			(7)			(12)	(39)
Net income (loss)		90			75			141	106
Capital expenditures		97			103			336	281
Assets		4,532						4,532		4,286
Atlantic City Electric Company [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		1			1			2	3
Corporate and Other [Member] | Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Revenues		534			484			1,549	1,440
Depreciation and Amortization		16			19			52	61
Operating Expenses		541			489			1,572	1,452
Interest expense, net		79			89			241	269
Income (Loss) before income taxes		(88)			(87)			(264)	(262)
Income taxes		(50)			65			(8)	16
Net income (loss)		(37)			(151)			(255)	(278)
Capital expenditures		4			9			77	77
Assets		8,387						8,387		9,005
Corporate and Other [Member] | Corporate, Non-Segment [Member] | Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenues		92			91			281	279
Depreciation and Amortization		7			8			22	26
Operating Expenses		93			94			285	284
Interest expense, net		3			2			7	6
Income (Loss) before income taxes		(4)			(2)			(8)	(9)
Income taxes		0			2			(3)	(2)
Net income (loss)		(4)			(4)			(5)	(6)
Capital expenditures		2			1			2	1
Assets		4,977						4,977		$ 5,079
Corporate and Other [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		531			485			1,542	1,435
Corporate and Other [Member] | Intersegment Eliminations [Member] | Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenue from Related Parties		91			90			281	278
Competitive businesses electric revenues [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		4,011			3,875			11,404	10,447
Competitive businesses electric revenues [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		(319)			(326)			(860)	(920)
Competitive businesses electric revenues [Member] | Exelon Generation Co L L C [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		4,330			4,201			12,264	11,367
Competitive businesses electric revenues [Member] | Commonwealth Edison Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Competitive businesses electric revenues [Member] | PECO Energy Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Competitive businesses electric revenues [Member] | Baltimore Gas and Electric Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Competitive businesses electric revenues [Member] | Pepco Holdings LLC [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Competitive businesses electric revenues [Member] | Corporate and Other [Member] | Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Competitive businesses natural gas revenues Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		575			323			2,408	1,345
Competitive businesses natural gas revenues Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	(3)
Competitive businesses natural gas revenues Member] | Exelon Generation Co L L C [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		575			323			2,408	1,348
Competitive businesses natural gas revenues Member] | Commonwealth Edison Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Competitive businesses natural gas revenues Member] | PECO Energy Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Competitive businesses natural gas revenues Member] | Baltimore Gas and Electric Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Competitive businesses natural gas revenues Member] | Pepco Holdings LLC [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Competitive businesses natural gas revenues Member] | Corporate and Other [Member] | Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Competitive businesses other revenues [Member]
Segment Reporting Information [Line Items]
Competitive businesses other revenues		(502)			132			(564)	552
Competitive businesses other revenues [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Competitive businesses other revenues		(3)			(3)			(9)	(5)
Competitive businesses other revenues [Member] | Exelon Generation Co L L C [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Competitive businesses other revenues		(499)			135			(555)	557
Competitive businesses other revenues [Member] | Commonwealth Edison Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Competitive businesses other revenues		0			0			0	0
Competitive businesses other revenues [Member] | PECO Energy Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Competitive businesses other revenues		0			0			0	0
Competitive businesses other revenues [Member] | Baltimore Gas and Electric Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Competitive businesses other revenues		0			0			0	0
Competitive businesses other revenues [Member] | Pepco Holdings LLC [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Competitive businesses other revenues		0			0			0	0
Competitive businesses other revenues [Member] | Corporate and Other [Member] | Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Competitive businesses other revenues		0			0			0	0
Rate-regulated electric revenues [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		4,657			4,365			12,432	11,585
Rate-regulated electric revenues [Member] | Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		1,438			1,308			3,632	3,440
Rate-regulated electric revenues [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		(15)			(22)			(33)	(50)
Rate-regulated electric revenues [Member] | Intersegment Eliminations [Member] | Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		(4)			(6)			(12)	(15)
Rate-regulated electric revenues [Member] | Exelon Generation Co L L C [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Rate-regulated electric revenues [Member] | Commonwealth Edison Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		1,789			1,643			4,840	4,499
Rate-regulated electric revenues [Member] | PECO Energy Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		762			759			2,033	1,948
Rate-regulated electric revenues [Member] | Baltimore Gas and Electric Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		677			646			1,866	1,763
Rate-regulated electric revenues [Member] | Pepco Holdings LLC [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		1,444			1,339			3,726	3,425
Rate-regulated electric revenues [Member] | Potomac Electric Power Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		660			611			1,736	1,650
Rate-regulated electric revenues [Member] | Delmarva Power and Light Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		337			314			922	838
Rate-regulated electric revenues [Member] | Atlantic City Electric Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		451			420			1,080	952
Rate-regulated electric revenues [Member] | Corporate and Other [Member] | Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Rate-regulated electric revenues [Member] | Corporate and Other [Member] | Corporate, Non-Segment [Member] | Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Rate-regulated natural gas revenues [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		169			159			1,035	990
Rate-regulated natural gas revenues [Member] | Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		23			23			118	116
Rate-regulated natural gas revenues [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		(3)			(3)			(9)	(5)
Rate-regulated natural gas revenues [Member] | Intersegment Eliminations [Member] | Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Rate-regulated natural gas revenues [Member] | Exelon Generation Co L L C [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Rate-regulated natural gas revenues [Member] | Commonwealth Edison Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Rate-regulated natural gas revenues [Member] | PECO Energy Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		56			54			366	358
Rate-regulated natural gas revenues [Member] | Baltimore Gas and Electric Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		93			85			560	521
Rate-regulated natural gas revenues [Member] | Pepco Holdings LLC [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		23			23			118	116
Rate-regulated natural gas revenues [Member] | Potomac Electric Power Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Rate-regulated natural gas revenues [Member] | Delmarva Power and Light Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		23			23			118	116
Rate-regulated natural gas revenues [Member] | Atlantic City Electric Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Rate-regulated natural gas revenues [Member] | Corporate and Other [Member] | Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Rate-regulated natural gas revenues [Member] | Corporate and Other [Member] | Corporate, Non-Segment [Member] | Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Shared service and other revenues [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			(1)			0	6
Shared service and other revenues [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		(537)			(491)			(1,559)	(1,447)
Shared service and other revenues [Member] | Intersegment Eliminations [Member] | Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		(89)			(85)			(271)	(266)
Shared service and other revenues [Member] | Exelon Generation Co L L C [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Shared service and other revenues [Member] | Commonwealth Edison Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Shared service and other revenues [Member] | PECO Energy Co [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Shared service and other revenues [Member] | Baltimore Gas and Electric Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Shared service and other revenues [Member] | Pepco Holdings LLC [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		3			6			10	13
Shared service and other revenues [Member] | Potomac Electric Power Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Shared service and other revenues [Member] | Delmarva Power and Light Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Shared service and other revenues [Member] | Atlantic City Electric Company [Member] | Operating Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		0			0			0	0
Shared service and other revenues [Member] | Corporate and Other [Member] | Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		534			484			1,549	1,440
Shared service and other revenues [Member] | Corporate and Other [Member] | Corporate, Non-Segment [Member] | Pepco Holdings LLC [Member]
Segment Reporting Information [Line Items]
Revenue from Contract with Customer, Including Assessed Tax		$ 92			$ 91			$ 281	$ 279

[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.