Accumulated Other Comprehensive Loss

3 Months Ended

Mar. 31, 2013

Equity [Abstract]

Accumulated Other Comprehensive Loss

(16) ACCUMULATED OTHER COMPREHENSIVE LOSS

The components of Pepco Holdings’ AOCL relating to continuing operations are as follows. For additional information, see the consolidated statements of comprehensive income.

	Three Months Ended March 31,
	2013			2012
Balance, beginning of period	$	(45	)	$	(50	)
Commodity Derivatives
Balance, beginning of period		(3	)		(16	)
Amount of net pre-tax loss reclassified into income:
Fuel and Purchased Energy expense		3			7
Revenue		—			—
Total net pre-tax loss reclassified into income		3			7
Income Tax expense		(1	)		(2	)
Net change during period		2			5
Balance, end of period		(1	)		(11	)
Treasury Lock
Balance, beginning of period		(10	)		(10	)
Amount of net pre-tax loss reclassified into income:
Interest expense		—			—
Total net pre-tax loss reclassified into income		—			—
Income Tax expense		—			—
Net change during period		—			—
Balance, end of period		(10	)		(10	)
Pension and Other Postretirement Benefit Plans
Balance, beginning of period		(32	)		(24	)
Amount of net pre-tax loss reclassified into income:
Other Operation and Maintenance expense		2			1
Total net pre-tax loss reclassified into income		2			1
Income Tax expense		(1	)		(1	)
Net change during period		1			—
Balance, end of period		(31	)		(24	)
Balance, end of period	$	(42	)	$	(45	)