Mergers, Acquisitions and Dispositions (Tables)

9 Months Ended

Sep. 30, 2016

Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table Text Block]



	Three Months Ended September 30,				Nine Months Ended September 30,				Year Ended December 31,
	2016 (a)		2015 (b)		2016 (a)		2015 (b)		2015 (c)
Total operating revenues	$	9,002	$	8,545	$	24,468	$	26,129	$	33,823
Net income attributable to common shareholders	501		746		1,346		2,169		2,618

Basic earnings per share	$	0.54	$	0.81	$	1.46	$	2.36	$	2.85
Diluted earnings per share	0.54		0.81		1.45		2.35		2.84

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(a)	The amounts above include adjustments for non-recurring costs directly related to the merger of $20 million and $660 million for the three and nine months ended September 30, 2016, respectively, and intercompany revenue of $171 million for the nine months ended September 30, 2016.


(b)	The amounts above include adjustments for non-recurring costs directly related to the merger of $25 million and $100 million and intercompany revenue of $192 million and $426 million for the three and nine months ended September 30, 2015, respectively.


(c)	The amounts above include adjustments for non-recurring costs directly related to the merger of $92 million and intercompany revenue of $559 million for the year ended December 31, 2015.

Business Combination, Separately Recognized Transactions [Table Text Block]



	Expected Payment Period							Successor
Description	Expected Payment Period	Pepco ^(a)		DPL ^(a)		ACE ^(a)		PHI ^(a)		Exelon ^(a)
Rate credits	2016 - 2017	$	91	$	58	$	101	$	250	$	250
Energy efficiency	2016 - 2021	—		—		—		—		120
Charitable contributions	2016 - 2026	28		12		10		50		50
Delivery system modernization	Q2 2016	—		—		—		—		22
Green sustainability fund	Q2 2016	—		—		—		—		14
Workforce development	2016 - 2020	—		—		—		—		24
Other		7		7		—		14		33
Total		$	126	$	77	$	111	$	314	$	513

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(a) Included within the individual line items is the most favored nation provision estimate of $6 million, $5 million $38 million, $49 million, and $134 million at Pepco, DPL, ACE, PHI and Exelon, respectively.



(In millions of dollars, except per share data)	Total Consideration
Cash paid to PHI shareholders at $27.25 per share (254 million shares outstanding at March 23, 2016)	$	6,933
Cash paid for PHI preferred stock^(a)	180
Cash paid for PHI stock-based compensation equity awards^(b)	29
Total purchase price	$	7,142

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(a)	As of December 31, 2015, the preferred stock was included in Other non-current assets on Exelon's Consolidated Balance Sheets.

(b)

PHI’s unvested time-based restricted stock units and performance-based restricted stock units issued prior to April 29, 2014 were immediately vested and paid in cash upon the close of the merger. PHI’s remaining unvested time-based restricted stock units as of the close of the merger were cancelled. There were no remaining unvested performance-based restricted stock units as of the close of the merger.

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]



Preliminary Purchase Price Allocation
Current assets	$	1,441
Property, plant and equipment	11,088
Regulatory assets	5,015
Other assets	248
Goodwill	4,000
Total assets	$	21,792

Current liabilities	$	2,752
Unamortized energy contracts	1,515
Regulatory liabilities	297
Long-term debt, including current maturities	5,636
Deferred income taxes	3,442
Pension and OPEB liability	821
Other liabilities	187
Total liabilities	$	14,650
Total purchase price	$	7,142

Restructuring and Related Costs



	Three Months Ended September 30,				Nine Months Ended September 30,
Acquisition, Integration and Financing Costs^(a)	2016		2015		2016			2015
Exelon^(b)	$	20	$	22	$	123		$	84
Generation	9		10		29			30
ComEd^(c)	—		3		(6		)	9
PECO	1		1		3			4
BGE^(c)	1		2		(3		)	4
Pepco^(c)	3		1		26			3
DPL^(c)	2		—		18			2
ACE	2		—		17			1



	Successor		Predecessor		Successor		Predecessor
	Three Months Ended September 30,		Three Months Ended September 30,		March 24 to September 30,		January 1 to March 23,		Nine Months Ended September 30,
Acquisition, Integration and Financing Costs^(a)	2016		2015		2016		2016		2015
PHI^(c)	$	7	$	3	$	63	$	29	$	16

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(a)	The costs incurred are classified primarily within Operating and maintenance expense in the Registrants’ respective Consolidated Statements of Operations and Comprehensive Income, with the exception of the financing costs, which are included within Interest expense. Costs do not include merger commitments discussed above.


(b)	Reflects costs (benefits) recorded at Exelon related to financing, including mark-to-market activity on forward-starting interest rate swaps.



											Successor
	Exelon		Generation		ComEd		PECO		BGE		PHI		Pepco^(b)		DPL^(c)		ACE
Nine Months Ended September 30, 2016
Severance benefits^(a)	$	55	$	9	$	2	$	1	$	1	$	42	$	20	$	12	$	10

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(a)	The amounts above for Generation, ComEd, PECO, BGE, Pepco, DPL and ACE include amounts billed by BSC and/or PHISCO through intercompany allocations of $8 million, $2 million, $1 million, $1 million, $19 million, $11 million and $10 million for the nine months ended September 30, 2016.

For the three and nine months ended September 30, 2016, the Registrants recorded the following severance costs (benefits) related to the early plant retirements within Operating and maintenance expense in their Consolidated Statements of Operations and Comprehensive Income, pursuant to the authoritative guidance for ongoing severance plans:




	Exelon			Generation^(a)
Three Months Ended
September 30, 2016	$	(2	)	$	(2	)

Nine Months Ended
September 30, 2016	$	44		$	44

(a) The amounts above for Generation include $2 million for amounts billed by BSC through intercompany allocations for the nine months ended

September 30, 2016.



									Successor
	Exelon			Generation^(a)			ComEd^(a)		PHI
Three Months Ended
September 30, 2016	$	8		$	7		$	—	$	1
September 30, 2015	(3		)	(3		)	—		—

Nine Months Ended
September 30, 2016	$	12		$	10		$	1	$	1
September 30, 2015	18			17			1		—

Schedule of Goodwill [Table Text Block]

Exelon’s and PHI’s carrying amount of goodwill for the nine months ended September 30, 2016 was as follows:



	PHI			Exelon^(a)
Beginning balance, December 31, 2015	$	—		$	2,672
Goodwill from business combination	4,016			4,016
Measurement period adjustments	(16		)	(16		)
Ending balance, September 30, 2016	$	4,000		$	6,672

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(a) As of September 30, 2016, there were no changes to the carrying amount of goodwill for ComEd, see Note 11— Intangible Assets of the Exelon 2015 Form 10-K for further information.