Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2015

Comprehensive Income (Loss) [Abstract]

Accumulated Other Comprehensive Loss, Net of Tax

($ in millions)	Pension Costs		OPEB Costs		Deferred taxes on pension and OPEB costs		Total
Balance at January 1, 2015	$	(532)	$	(119)	$	247	$	(404)
Other comprehensive loss before reclassifications		-		-		(2)		(2)
Amounts reclassified from accumulated other comprehensive loss		7		2		(4)		5
Net current-period other comprehensive income (loss)		7		2		(6)		3
Balance at March 31, 2015	$	(525)	$	(117)	$	241	$	(401)

	Pension Costs		OPEB Costs		Deferred taxes on pension and OPEB costs		Total
Balance at January 1, 2014	$	(411)	$	(5)	$	156	$	(260)
Amounts reclassified from accumulated other comprehensive loss		5		-		(2)		3
Net current-period other comprehensive income (loss)		5		-		(2)		3
Balance at March 31, 2014	$	(406)	$	(5)	$	154	$	(257)

Reclassification Out of Accumulated Other Comprehensive Income

($ in millions)	Amount Reclassified from
	Accumulated Other Comprehensive Loss (a)
Details about Accumulated Other Comprehensive	For the three months ended March 31,				Affected Line Item in the Statement Where
Loss Components	2015		2014		Net Income (Loss) is Presented
Amortization of Pension Cost Items (b)
Actuarial gains (losses)	$	(7)	$	(5)	Income (loss) before income taxes
Tax impact		3		2	Income tax (expense) benefit
	$	(4)	$	(3)	Net income (loss)
Amortization of OPEB Cost Items (b)
Prior-service costs	$	1	$	1
Actuarial gains (losses)		(3)		(1)
		(2)		-	Income (loss) before income taxes
Tax impact		1		-	Income tax (expense) benefit
	$	(1)	$	-	Net income (loss)

(a) Amounts in parentheses indicate losses.

(b) These accumulated other comprehensive loss components are included in the computation of net periodic pension and OPEB costs (see Note 13 - Retirement Plans for additional details)