Segment Information (Tables)

3 Months Ended

Mar. 31, 2012

Segment Information [Abstract]

Segment Financial Information For Continuing Operations

	Three Months Ended March 31, 2012
	(millions of dollars)
	Power Delivery		Pepco Energy Services		Other Non- Regulated		Corporate and Other (a)			PHI Consolidated
Operating Revenue	$	1,055	$	228	$	13	$	(4	)	$	1,292
Operating Expenses (b)		954		211		1		(13	)		1,153
Operating Income		101		17		12		9			139
Interest Income		—		—		1		(1	)		—
Interest Expense		53		1		3		8			65
Other Income (Expenses)		8		—		1		(1	)		8
Preferred Stock Dividends		—		—		1		(1	)		—
Income Tax Expense (Benefit)		9		6		—		(1	)		14
Net Income from Continuing Operations		47		10		10		1			68
Total Assets		11,473		544		1,487		1,684			15,188
Construction Expenditures	$	280	$	5	$	—	$	6		$	291

(a) Total Assets in this column includes Pepco Holdings' goodwill balance of $1.4 billion, all of which is allocated to Power Delivery for purposes of assessing impairment. Total assets also include capital expenditures related to certain hardware and software expenditures which primarily benefit Power Delivery. These expenditures are recorded as incurred in the Corporate and Other segment and are allocated to Power Delivery once the assets are placed in service. Corporate and Other includes intercompany amounts of $(4) million for Operating Revenue, $(6) million for Operating Expenses, $(5) million for Interest Income, $(5) million for Interest Expense and $(1) million for Preferred Stock Dividends.

(b) Includes depreciation and amortization expense of $110 million, consisting of $99 million for Power Delivery, $6 million for Pepco Energy Services, $1 million for Other Non-Regulated and $4 million for Corporate and Other.

	Three Months Ended March 31, 2011
	(millions of dollars)
	Power Delivery		Pepco Energy Services		Other Non- Regulated			Corporate and Other (a)			PHI Consolidated
Operating Revenue	$	1,249	$	373	$	14		$	(2	)	$	1,634
Operating Expenses (b)		1,131		357		2			(5	)		1,485
Operating Income		118		16		12			3			149
Interest Income		—		—		1			(1	)		—
Interest Expense		50		1		3			8			62
Other Income (Expenses)		8		1		(1	)		1			9
Preferred Stock Dividends		—		—		1			(1	)		—
Income Tax Expense (Benefit)		29		6		2			(3	)		34
Net Income (Loss) from Continuing Operations		47		10		6			(1	)		62
Total Assets (excluding Assets Held For Sale)		10,667		613		1,645			1,295			14,220
Construction Expenditures	$	160	$	1	$	—		$	10		$	171

(a) Total Assets in this column includes Pepco Holdings' goodwill balance of $1.4 billion, all of which is allocated to Power Delivery for purposes of assessing impairment. Total assets also include capital expenditures related to certain hardware and software expenditures which primarily benefit Power Delivery. These expenditures are recorded as incurred in the Corporate and Other segment and are allocated to Power Delivery once the assets are placed in service. Corporate and Other includes intercompany amounts of $(2) million for Operating Revenue, $(2) million for Operating Expenses, $(5) million for Interest Income, $(4) million for Interest Expense and $(1) million for Preferred Stock Dividends.

(b) Includes depreciation and amortization expense of $105 million, consisting of $97 million for Power Delivery, $4 million for Pepco Energy Services and $4 million for Corporate and Other.