Changes in Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2015

Changes in Accumulated Other Comprehensive Income [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following tables present changes in accumulated other comprehensive income (loss) (AOCI) by component for the three months endedMarch 31, 2015 and 2014:

Three Months Ended March 31, 2015	Gains  and (Losses)  on Hedging Activity			Unrealized Gains and (Losses) on Marketable Securities		Pension and Non-Pension Postretirement Benefit Plan Items			Foreign Currency Items			AOCI of Equity Investments		Total
Exelon(a)
Beginning balance	$	(28	)	$	3	$	(2,640	)	$	(19	)	$	—	$	(2,684	)
OCI before reclassifications	(11		)	—		(26		)	(12		)	—		(49		)
Amounts reclassified from AOCI(b)	17			—		43			—			—		60
Net current-period OCI	6			—		17			(12		)	—		11
Ending balance	$	(22	)	$	3	$	(2,623	)	$	(31	)	$	—	$	(2,673	)
Generation(a)
Beginning balance	$	(18	)	$	1	$	—		$	(19	)	$	—	$	(36	)
OCI before reclassifications	(6		)	—		—			(12		)	—		(18		)
Amounts reclassified from AOCI(b)	1			—		—			—			—		1
Net current-period OCI	(5		)	—		—			(12		)	—		(17		)
Ending balance	$	(23	)	$	1	$	—		$	(31	)	$	—	$	(53	)
PECO(a)
Beginning balance	$	—		$	1	$	—		$	—		$	—	$	1
OCI before reclassifications	—			—		—			—			—		—
Amounts reclassified from AOCI(b)	—			—		—			—			—		—
Net current-period OCI	—			—		—			—			—		—
Ending balance	$	—		$	1	$	—		$	—		$	—	$	1

______________ 

(a) All amounts are net of tax. Amounts in parentheses represent a decrease in accumulated other comprehensive income.

(b) See tables following changes in accumulated other comprehensive income tables for details about these reclassifications.

Three Months Ended March 31, 2014	Gains  and (Losses)  on Hedging Activity			Unrealized Gains and (Losses) on Marketable Securities			Pension and Non-Pension Postretirement Benefit Plan Items			Foreign Currency Items			AOCI of Equity Investments		Total
Exelon(a)
Beginning balance	$	120		$	2		$	(2,260	)	$	(10	)	$	108	$	(2,040	)
OCI before reclassifications	(1		)	—			(13		)	(5		)	11		(8		)
Amounts reclassified from AOCI(b)	(24		)	—			35			—			1		12
Net current-period OCI	(25		)	—			22			(5		)	12		4
Ending balance	$	95		$	2		$	(2,238	)	$	(15	)	$	120	$	(2,036	)
Generation(a)
Beginning balance	$	114		$	2		$	—		$	(10	)	$	108	$	214
OCI before reclassifications	(1		)	(3		)	—			(5		)	11		2
Amounts reclassified from AOCI(b)	(24		)	—			—			—			1		(23		)
Net current-period OCI	(25		)	(3		)	—			(5		)	12		(21		)
Ending balance	$	89		$	(1	)	$	—		$	(15	)	$	120	$	193
PECO(a)
Beginning balance	$	—		$	1		$	—		$	—		$	—	$	1
OCI before reclassifications	—			—			—			—			—		—
Amounts reclassified from AOCI(b)	—			—			—			—			—		—
Net current-period OCI	—			—			—			—			—		—
Ending balance	$	—		$	1		$	—		$	—		$	—	$	1

 _______________

(a) All amounts are net of tax. Amounts in parentheses represent a decrease in accumulated other comprehensive income.

(b) See tables following changes in accumulated other comprehensive income tables for details about these reclassifications.

Reclassification out of Accumulated Other Comprehensive Income

The following tables present amounts reclassified out of AOCI to Net income for Exelon and Generation during the three months ended March 31, 2015 and 2014.

Three Months Ended March 31, 2015

Details about AOCI components	Items reclassified out of AOCI(a)						Affected line item in the Statements of Operations and Comprehensive Income
	Exelon			Generation
Gains (losses) on hedging activity
Terminated interest rate swaps (c)	$	(26	)	$	—		Other, net
Energy related hedges	2			2			Operating revenues
Other cash flow hedges	(3		)	(3		)	Interest expense
	(27		)	(1		)	Total before tax
	10			—			Tax benefit
	$	(17	)	$	(1	)	Net of tax
Amortization of pension and other postretirement benefit plan items
Prior service costs (b)	$	19		$	—
Actuarial losses (b)	(90		)	—
	(71		)	—			Total before tax
	28			—			Tax benefit
	$	(43	)	$	—		Net of tax
Total Reclassifications for the period	$	(60	)	$	(1	)	Net of Tax

Three months ended March 31, 2014

Details about AOCI components	Items reclassified out of AOCI(a)						Affected line item in the Statements of Operations and Comprehensive Income
	Exelon			Generation
Gains on hedging activity
Energy related hedges	$	39		$	39		Operating revenues
	39			39			Total before tax
	(15		)	(15		)	Tax (expense)
	$	24		$	24		Net of tax
Amortization of pension and other postretirement benefit plan items
Prior service costs (b)	$	(2	)	$	—
Actuarial losses (b)	(56		)	—
	(58		)	—			Total before tax
	23			—			Tax benefit
	$	(35	)	$	—		Net of tax
Equity investments
Capital activity	$	(1	)	$	(1	)	Equity in losses of unconsolidated affiliates
	(1		)	(1		)	Total before tax
	—			—			Tax benefit
	$	(1	)	$	(1	)	Net of tax
Total reclassifications for the period	$	(12	)	$	23		Net of Tax

____________

(a) All amounts are net of tax. Amounts in parentheses represent a decrease in net income.

(b) This accumulated other comprehensive income component is included in the computation of net periodic pension and OPEB cost (see Note 12— Retirement Benefits for additional details).

Schedule Of Other Comprehensive Income Loss Tax

The following table presents income tax expense (benefit) allocated to each component of other comprehensive income (loss) during the three months ended March 31, 2015 and 2014:

	Three Months Ended March 31,
	2015			2014
Exelon
Pension and non-pension postretirement benefit plans:
Prior service benefit reclassified to periodic benefit cost	$	8		$	(1	)
Actuarial gain (loss) reclassified to periodic cost	(35		)	(23		)
Pension and non-pension postretirement benefit plans valuation adjustment	17			7
Change in unrealized gain (loss) on cash flow hedges	(2		)	18
Change in unrealized income on equity investments	—			(7		)
Total	$	(12	)	$	(6	)
Generation
Change in unrealized gain (loss) on cash flow hedges	$	5		$	19
Change in unrealized income on equity investments	—			(7		)
Change in marketable securities	—			(2		)
Total	$	5		$	10