Consolidated Statement of Changes in Shareholders Equity (Unaudited) - USD ($) shares in Thousands		Total		Pepco Holdings LLC [Member]		Common Stock Including Additional Paid in Capital [Member] Pepco Holdings LLC [Member]	[3]	Common Stock [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]	Membership Interest [Member]	Undistributed Earnings [Member]	Preference Stock Not Subject To Mandatory Redemption [Member]	PECO Energy Co [Member]	PECO Energy Co [Member] Common Stock [Member]	PECO Energy Co [Member] Retained Earnings [Member]	PECO Energy Co [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Exelon Generation Co L L C [Member]		Exelon Generation Co L L C [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Exelon Generation Co L L C [Member] Noncontrolling Interest [Member]	Exelon Generation Co L L C [Member] Membership Interest [Member]	Exelon Generation Co L L C [Member] Undistributed Earnings [Member]	Commonwealth Edison Co [Member]	Commonwealth Edison Co [Member] Common Stock [Member]	Commonwealth Edison Co [Member] Other Paid-In Capital [Member]	Commonwealth Edison Co [Member] Retained Deficit Unappropriated [Member]	Commonwealth Edison Co [Member] Retained Earnings Appropriated [Member]	Baltimore Gas and Electric Company [Member]	Baltimore Gas and Electric Company [Member] Common Stock [Member]	Baltimore Gas and Electric Company [Member] Retained Earnings [Member]	Baltimore Gas and Electric Company [Member] Membership Interest [Member]	Baltimore Gas and Electric Company [Member] Preference Stock Not Subject To Mandatory Redemption [Member]	Pepco Holdings LLC [Member]		Pepco Holdings LLC [Member] Pepco Holdings LLC [Member]	Pepco Holdings LLC [Member] Common Stock Including Additional Paid in Capital [Member]		Pepco Holdings LLC [Member] Retained Earnings [Member]	Pepco Holdings LLC [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Pepco Holdings LLC [Member] Additional Paid-in Capital [Member]	Potomac Electric Power Company [Member]	Potomac Electric Power Company [Member] Common Stock [Member]	Potomac Electric Power Company [Member] Retained Earnings [Member]	Delmarva Power and Light Company [Member]	Delmarva Power and Light Company [Member] Common Stock [Member]	Delmarva Power and Light Company [Member] Retained Earnings [Member]	Atlantic City Electric Company [Member]	Atlantic City Electric Company [Member] Common Stock [Member]	Atlantic City Electric Company [Member] Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adjustments to Additional Paid in Capital, Other											$ 0	$ 0	$ 170,000,000							$ 170,000,000					$ 0	$ 273,000,000		$ 273,000,000																$ 80,000,000	$ 80,000,000		$ 130,000,000	$ 130,000,000
Income Tax Effects Allocated Directly to Equity, Other																$ 24,000,000	$ 24,000,000		$ 0	53,000,000				$ 53,000,000
Beginning Balance (in shares) at Dec. 31, 2013		892,034
Beginning Balance (Predecessor [Member]) at Dec. 31, 2013																																				$ 4,315,000,000			$ 3,754,000,000		$ 595,000,000	$ (34,000,000)
Beginning Balance at Dec. 31, 2013																3,065,000,000	2,415,000,000	$ 649,000,000	1,000,000							7,528,000,000	$ 1,588,000,000	5,190,000,000	$ (1,639,000,000)	$ 2,389,000,000														1,922,000,000	930,000,000	$ 992,000,000	1,044,000,000	407,000,000	$ 637,000,000	$ 857,000,000	$ 678,000,000	$ 179,000,000
Beginning Balance at Dec. 31, 2013																				12,742,000,000		$ 214,000,000	$ 17,000,000	8,898,000,000	3,613,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income | Predecessor [Member]																																				242,000,000					242,000,000
Net income		$ 1,820,000,000								$ 1,623,000,000		184,000,000			$ 13,000,000	352,000,000		352,000,000		1,019,000,000			184,000,000		835,000,000	408,000,000			408,000,000		$ 211,000,000		$ 211,000,000	$ 211,000,000										171,000,000		171,000,000	104,000,000		104,000,000	46,000,000		46,000,000
Dividends																										307,000,000				307,000,000
OtherComprehensiveIncomeLossNetOfTaxPeriodDecrease		$ (116,000,000)									116,000,000											116,000,000
Stock Issued During Period, Shares, Share-based Compensation, Gross		1,574
Stock Issued During Period, Value, Share-based Compensation, Gross		$ 72,000,000						$ 72,000,000
Employee stock purchase plan issuances | Predecessor [Member]																																				7,000,000
Employee stock purchase plan issuances		$ 35,000,000						35,000,000
Employee stock purchase plan issuances, shares		960
Common stock issuance Constellation merger, shares		0
Consolidated VIE dividend to noncontrolling interests		$ (421,000,000)						0				(421,000,000)
Noncontrolling Interest, Increase from Subsidiary Equity Issuance																				1,548,000,000			1,548,000,000	0
Preferred and preference stock dividends		(13,000,000)													(13,000,000)																(13,000,000)		(13,000,000)	(13,000,000)
Other comprehensive loss, net of income taxes | Predecessor [Member]																																				(12,000,000)						(12,000,000)
Other comprehensive loss, net of income taxes		(644,000,000)																		(250,000,000)		(134,000,000)
Acquisition of noncontrolling interests		(4,000,000)						2,000,000				(6,000,000)								(645,000,000)			0
Tax benefit on stock compensation | Predecessor [Member]																																				7,000,000
Tax benefit on stock compensation		47,000,000						(8,000,000)
Changes in equity of noncontrolling interest																								0
Fair value of financing contract payments		131,000,000						131,000,000
Transfer of CENG pension and non-pension postretirement benefit obligations		(2,000,000)						(2,000,000)
Reversal of CENG equity method AOCI, net of income taxes																				116,000,000
Distribution to member																									0
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared																									645,000,000
Noncontrolling Interest, Change in Redemption Value																				421,000,000
Noncontrolling interest acquired		1,548,000,000										1,548,000,000								5,000,000			5,000,000
Ending Balance at Dec. 31, 2014		$ 24,133,000,000						16,709,000,000	$ (2,327,000,000)	10,910,000,000	(2,684,000,000)	1,332,000,000			193,000,000																2,753,000,000	$ 1,360,000,000	1,203,000,000	2,563,000,000	$ 190,000,000
Ending Balance (in shares) at Dec. 31, 2014		894,568
Ending Balance (Predecessor [Member]) at Dec. 31, 2014																																				4,322,000,000			3,803,000,000		565,000,000	(46,000,000)
Ending Balance at Dec. 31, 2014																3,121,000,000	2,439,000,000	681,000,000	1,000,000							7,907,000,000	1,588,000,000	5,468,000,000	(1,639,000,000)	2,490,000,000														2,087,000,000	1,010,000,000	1,077,000,000	1,178,000,000	537,000,000	641,000,000	877,000,000	678,000,000	199,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options		$ 8,000,000
Payments to Acquire Businesses, Gross		386,000,000																		386,000,000
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared																									645,000,000
Payments to Acquire Businesses, Gross		386,000,000																		386,000,000
Stock Issued During Period, Value, Dividend Reinvestment Plan | Predecessor [Member]																																				28,000,000
Allocated Share-based Compensation Expense, Net of Tax | Predecessor [Member]																																				11,000,000
Allocated Share-based Compensation Expense, Net of Tax		80,000,000
Adjustments to Additional Paid in Capital, Other											0	0	170,000,000							170,000,000					0	273,000,000		273,000,000																80,000,000	80,000,000		130,000,000	130,000,000
OtherComprehensiveIncomeLossNetOfTaxPeriodDecrease		(116,000,000)									116,000,000											116,000,000
Temporary Equity, Other Changes		(528,000,000)									(528,000,000)									(4,000,000)
Dividends, Common Stock, Cash | Predecessor [Member]																																				272,000,000					272,000,000
Dividends, Common Stock, Cash		(1,071,000,000)								(1,071,000,000)						(320,000,000)		(320,000,000)																										(86,000,000)		(86,000,000)	(100,000,000)		(100,000,000)	(26,000,000)		(26,000,000)
Noncontrolling Interest, Increase from Business Combination								0
Other Additional Capital																										5,000,000		5,000,000
Retained Earnings, Appropriated																													(408,000,000)	408,000,000
Common stock | Predecessor [Member]																																				14,000,000
Common stock | Predecessor [Member]																																				14,000,000
Adjustments to Additional Paid in Capital, Other		0																								202,000,000		202,000,000			7,000,000	7,000,000		7,000,000	0									112,000,000	112,000,000		75,000,000	75,000,000		95,000,000	95,000,000
Income Tax Effects Allocated Directly to Equity, Other		0									0	0	$ 47,000,000			16,000,000	16,000,000			(47,000,000)					0
Beginning Balance at Dec. 31, 2014																				14,051,000,000		(36,000,000)	1,333,000,000	8,951,000,000	3,803,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income | Predecessor [Member]																																				327,000,000					327,000,000
Net income		2,250,000,000								2,269,000,000		(32,000,000)			13,000,000	378,000,000		378,000,000		1,340,000,000			(32,000,000)		1,372,000,000	426,000,000			426,000,000		288,000,000		288,000,000	288,000,000										187,000,000		187,000,000	76,000,000		76,000,000	40,000,000		40,000,000
Dividends																										299,000,000				299,000,000
Noncontrolling Interest, Period Increase (Decrease)		4,000,000						0				4,000,000
OtherComprehensiveIncomeLossNetOfTaxPeriodDecrease		$ 0																		0
Stock Issued During Period, Shares, Share-based Compensation, Gross		1,430
Stock Issued During Period, Value, Share-based Compensation, Gross		$ 70,000,000						70,000,000
Employee stock purchase plan issuances | Predecessor [Member]																																				3,000,000
Employee stock purchase plan issuances		$ 32,000,000						32,000,000
Employee stock purchase plan issuances, shares		1,170
Consolidated VIE dividend to noncontrolling interests																							0
Preferred and preference stock dividends																															(13,000,000)		(13,000,000)	(13,000,000)
Other comprehensive loss, net of income taxes | Predecessor [Member]																																				10,000,000	[1]					10,000,000
Other comprehensive loss, net of income taxes		$ 60,000,000	[1]								60,000,000									(27,000,000)	[1]	(27,000,000)
Common stock dividends		(1,111,000,000)								(1,111,000,000)		0
Preference stock dividends		13,000,000													13,000,000
Tax benefit on stock compensation | Predecessor [Member]																																				5,000,000
Tax benefit on stock compensation		46,000,000
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared		0																		(2,474,000,000)			0		2,474,000,000
Noncontrolling Interest, Change in Redemption Value											0	4,000,000								4,000,000				0
Noncontrolling interest acquired																				1,000,000				(1,000,000)
Ending Balance at Dec. 31, 2015		$ 27,294,000,000						18,676,000,000	(2,327,000,000)	12,068,000,000	(2,624,000,000)	1,308,000,000			193,000,000																2,877,000,000	1,367,000,000	1,320,000,000	2,687,000,000	190,000,000
Ending Balance (in shares) at Dec. 31, 2015		954,668
Ending Balance (Predecessor [Member]) at Dec. 31, 2015																																				4,413,000,000			3,832,000,000	[2]	617,000,000	(36,000,000)
Ending Balance at Dec. 31, 2015		$ 25,793,000,000														3,236,000,000	2,455,000,000	780,000,000	1,000,000							8,243,000,000	1,588,000,000	5,677,000,000	(1,639,000,000)	2,617,000,000	2,687,000,000													2,240,000,000	1,122,000,000	1,118,000,000	1,237,000,000	612,000,000	625,000,000	1,000,000,000	773,000,000	227,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, New Issues		57,500
Stock Issued During Period, Value, New Issues		$ 1,868,000,000						1,868,000,000
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options		(3,000,000)						3,000,000
Payments to Acquire Businesses, Gross		40,000,000																		40,000,000
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared		0																		(2,474,000,000)			0		2,474,000,000
Payments to Acquire Businesses, Gross		40,000,000																		40,000,000
Stock Issued During Period, Value, Dividend Reinvestment Plan | Predecessor [Member]																																				11,000,000
Allocated Share-based Compensation Expense, Net of Tax | Predecessor [Member]																																				8,000,000
Allocated Share-based Compensation Expense, Net of Tax		73,000,000
Adjustments to Additional Paid in Capital, Other		0																								202,000,000		202,000,000			7,000,000	7,000,000		7,000,000	0									112,000,000	112,000,000		75,000,000	75,000,000		95,000,000	95,000,000
OtherComprehensiveIncomeLossNetOfTaxPeriodDecrease		0																		0
Temporary Equity, Other Changes		4,000,000										(4,000,000)
Dividends, Common Stock, Cash | Predecessor [Member]																																				275,000,000					275,000,000
Dividends, Common Stock, Cash										0						(279,000,000)		(279,000,000)													(158,000,000)		(158,000,000)	(158,000,000)										(146,000,000)		(146,000,000)	(92,000,000)		(92,000,000)	(12,000,000)		(12,000,000)
Other Additional Capital																										7,000,000		7,000,000
Members' Equity | Predecessor [Member]																																				4,413,000,000
Members' Equity																				11,635,000,000
Retained Earnings, Appropriated																										2,617,000,000			(426,000,000)	426,000,000
Common stock | Predecessor [Member]																																				15,000,000							$ 3,000,000
Common stock		18,676,000,000														2,455,000,000										1,588,000,000					1,367,000,000													1,122,000,000			612,000,000			773,000,000
Additional Paid in Capital | Predecessor [Member]																																											3,829,000,000
Additional Paid in Capital																										5,677,000,000
Common stock | Predecessor [Member]																																				15,000,000							3,000,000
Common stock		18,676,000,000														2,455,000,000										1,588,000,000					1,367,000,000													1,122,000,000			612,000,000			773,000,000
Additional Paid in Capital | Predecessor [Member]																																											3,829,000,000
Additional Paid in Capital																										5,677,000,000
Beginning Balance at Dec. 31, 2015																				12,942,000,000		(63,000,000)	1,307,000,000	8,997,000,000	2,701,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income | Predecessor [Member]																																				19,000,000					19,000,000
Employee stock purchase plan issuances | Predecessor [Member]																																				3,000,000
Other comprehensive loss, net of income taxes | Predecessor [Member]																																				1,000,000						1,000,000
Tax benefit on stock compensation | Predecessor [Member]																																				1,000,000
Ending Balance (Predecessor [Member]) at Mar. 23, 2016																																				4,439,000,000			3,838,000,000	[2]	636,000,000	(35,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Allocated Share-based Compensation Expense, Net of Tax | Predecessor [Member]																																				2,000,000
Adjustments to Additional Paid in Capital, Other																										315,000,000		315,000,000			61,000,000	61,000,000	0	61,000,000	0									187,000,000	187,000,000		152,000,000	152,000,000		139,000,000	139,000,000	0
Income Tax Effects Allocated Directly to Equity, Other		$ 0														18,000,000	18,000,000			98,000,000				98,000,000
Beginning Balance (in shares) at Dec. 31, 2015		954,668
Beginning Balance (Predecessor [Member]) at Dec. 31, 2015																																				4,413,000,000			3,832,000,000	[2]	617,000,000	(36,000,000)
Beginning Balance at Dec. 31, 2015		$ 25,793,000,000														3,236,000,000	2,455,000,000	780,000,000	1,000,000							8,243,000,000	1,588,000,000	5,677,000,000	(1,639,000,000)	2,617,000,000	2,687,000,000													2,240,000,000	1,122,000,000	1,118,000,000	1,237,000,000	612,000,000	625,000,000	1,000,000,000	773,000,000	227,000,000
Beginning Balance at Dec. 31, 2015																				12,942,000,000		(63,000,000)	1,307,000,000	8,997,000,000	2,701,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		1,204,000,000		$ (66,000,000)						1,134,000,000		62,000,000			8,000,000	438,000,000		438,000,000		558,000,000			62,000,000		496,000,000	378,000,000			378,000,000		294,000,000		294,000,000	294,000,000										42,000,000		42,000,000	(9,000,000)		(9,000,000)	(42,000,000)		(42,000,000)
Dividends																										369,000,000				369,000,000
Noncontrolling Interest, Period Increase (Decrease)		(5,000,000)						0				(5,000,000)
OtherComprehensiveIncomeLossNetOfTaxPeriodDecrease		$ 0																		0
Stock Issued During Period, Shares, Share-based Compensation, Gross		2,868
Stock Issued During Period, Value, Share-based Compensation, Gross		$ 85,000,000						85,000,000
Employee stock purchase plan issuances		$ 55,000,000						55,000,000
Employee stock purchase plan issuances, shares		1,242
Preferred and preference stock dividends		$ (8,000,000)													8,000,000																(8,000,000)		(8,000,000)	(8,000,000)
Other comprehensive loss, net of income taxes		(36,000,000)									(36,000,000)	0								9,000,000		9,000,000
Preference stock dividends		(193,000,000)													193,000,000
Tax benefit on stock compensation		68,000,000
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared												0		$ 922,000,000						922,000,000		0									(7,000,000)	(7,000,000)		(7,000,000)
Noncontrolling Interest, Change in Redemption Value		0																		5,000,000			5,000,000
Noncontrolling interest acquired		396,000,000							0	0	0				0					396,000,000		0	$ 400,000,000	$ (4,000,000)	$ 0
Ending Balance at Dec. 31, 2016		$ 27,612,000,000						18,794,000,000	(2,327,000,000)	12,030,000,000	(2,660,000,000)	1,775,000,000			0																2,848,000,000	1,421,000,000	1,427,000,000	2,848,000,000	0
Ending Balance (in shares) at Dec. 31, 2016		958,778
Ending Balance at Dec. 31, 2016		$ 25,837,000,000														3,415,000,000	2,473,000,000	941,000,000	1,000,000							8,725,000,000	1,588,000,000	6,150,000,000	(1,639,000,000)	2,626,000,000	2,848,000,000													2,300,000,000	1,309,000,000	991,000,000	1,326,000,000	764,000,000	562,000,000	1,034,000,000	912,000,000	122,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options		(18,000,000)
Payments to Acquire Businesses, Gross		6,934,000,000																		293,000,000																								33,000,000
Preferred Stock, Redemption Amount																															(190,000,000)				(190,000,000)
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared												0		$ 922,000,000						922,000,000		$ 0									(7,000,000)	(7,000,000)		(7,000,000)
Payments to Acquire Businesses, Gross		6,934,000,000																		293,000,000																								33,000,000
Allocated Share-based Compensation Expense, Net of Tax		107,000,000
Adjustments to Additional Paid in Capital, Other																										315,000,000		315,000,000			61,000,000	61,000,000	0	61,000,000	0									187,000,000	187,000,000		152,000,000	152,000,000		139,000,000	139,000,000	0
OtherComprehensiveIncomeLossNetOfTaxPeriodDecrease		0																		0
Temporary Equity, Other Changes																				(157,000,000)
Dividends, Common Stock, Cash		(1,172,000,000)								1,172,000,000						(277,000,000)		(277,000,000)													(179,000,000)		(179,000,000)	(179,000,000)										(169,000,000)		(169,000,000)	(54,000,000)		(54,000,000)	(63,000,000)		(63,000,000)
Common stock | Predecessor [Member]																																				3,000,000
Common stock | Successor [Member]																																											3,000,000
Additional Paid in Capital | Successor [Member]																																											3,835,000,000
Common stock | Predecessor [Member]																																				3,000,000
Common stock | Successor [Member]																																											3,000,000
Additional Paid in Capital | Successor [Member]																																											$ 3,835,000,000
Beginning Balance (Predecessor [Member]) at Mar. 23, 2016																																				4,439,000,000			3,838,000,000	[2]	636,000,000	(35,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income | Predecessor [Member]																																									(61,000,000)
Net income | Successor [Member]																																				(61,000,000)
Other comprehensive loss, net of income taxes | Successor [Member]																																				0
Ending Balance at Dec. 31, 2016		$ 27,612,000,000						$ 18,794,000,000	$ (2,327,000,000)	$ 12,030,000,000	$ (2,660,000,000)	$ 1,775,000,000			$ 0																2,848,000,000	$ 1,421,000,000	$ 1,427,000,000	$ 2,848,000,000	$ 0
Ending Balance (in shares) at Dec. 31, 2016		958,778
Ending Balance at Dec. 31, 2016		$ 25,837,000,000														3,415,000,000	$ 2,473,000,000	$ 941,000,000	$ 1,000,000							8,725,000,000	$ 1,588,000,000	6,150,000,000	(1,639,000,000)	2,626,000,000	2,848,000,000													2,300,000,000	$ 1,309,000,000	$ 991,000,000	1,326,000,000	$ 764,000,000	$ 562,000,000	1,034,000,000	$ 912,000,000	$ 122,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Members Equity Including Portion Attributable To Noncontrolling Interest Acquisitions | Successor [Member]																																				1,251,000,000			1,251,000,000
Payments to Acquire Businesses, Gross | Successor [Member]				62,000,000	[3]	$ 62,000,000																																$ 33,000,000
Payments to Acquire Businesses, Gross | Successor [Member]				$ 62,000,000	[3]	$ 62,000,000																																$ 33,000,000
Other Additional Capital																										158,000,000		$ 158,000,000
Members' Equity | Successor [Member]																																				8,016,000,000			8,077,000,000		$ (61,000,000)	$ 0
Members' Equity																				$ 11,482,000,000
Retained Earnings, Appropriated																										2,626,000,000			$ (378,000,000)	$ 378,000,000
Business Combination, Contingent Consideration, Asset | Successor [Member]	[4]																																			400,000,000			400,000,000
Common stock		18,794,000,000														2,473,000,000										1,588,000,000					1,421,000,000													1,309,000,000			764,000,000			912,000,000
Additional Paid in Capital																										6,150,000,000
Fresh-Start Adjustment, Increase (Decrease), Deferred Income Tax Liabilities, Noncurrent | Successor [Member]																																				35,000,000			35,000,000
Common stock		$ 18,794,000,000														$ 2,473,000,000										1,588,000,000					$ 1,421,000,000													$ 1,309,000,000			$ 764,000,000			$ 912,000,000
Fresh-Start Adjustment, Increase (Decrease), Deferred Income Tax Liabilities, Noncurrent | Successor [Member]																																				$ 35,000,000			$ 35,000,000
Additional Paid in Capital																										$ 6,150,000,000

[1] All amounts are net of tax and noncontrolling interests. Amounts in parenthesis represent a decrease in accumulated other comprehensive income.

[2] At March 23, 2016 and December 31, 2015, PHI's (predecessor) shareholders' equity included $3,835 million and $3,829 million of other paid-in capital, and $3 million and $3 million of common stock, respectively.

[3] he liabilities assumed include $29 million for PHI stock-based compensation awards and $33 million for a merger related obligation, each assumed by PHI from Exelon. See Note 4 — Mergers, Acquisitions, and Dispositions.

[4] Distribution to member includes $235 million of net assets associated with PHI's unregulated business interests and $165 million of cash, each of which were distributed by PHI to Exelon.