Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2019

Comprehensive Income (Loss) [Abstract]

Accumulated Other Comprehensive Loss, Net of Tax

($ in millions)	Pension Costs		OPEB Costs		Total
Balance at January 1, 2019 (a)	$	(489)	$	26	$	(463)
Other comprehensive income (loss)
before reclassifications		-		-		-
Amounts reclassified from accumulated other
comprehensive loss to net loss		10		(2)		8
Net current-period other comprehensive
income (loss)		10		(2)		8
Impact of adoption of ASU 2018-02		(83)		4		(79)
Balance at March 31, 2019 (a)	$	(562)	$	28	$	(534)

($ in millions)	Pension Costs		OPEB Costs		Total
Balance at January 1, 2018 (a)	$	(345)	$	(21)	$	(366)
Other comprehensive income (loss)
before reclassifications		(4)		-		(4)
Amounts reclassified from accumulated other
comprehensive loss to net loss		4		(1)		3
Net current-period other comprehensive
income (loss)		-		(1)		(1)
Balance at March 31, 2018 (a)	$	(345)	$	(22)	$	(367)

^(a) Pension and OPEB amounts are net of tax of $250 million and $223 million as of January 1, 2019 and 2018, respectively and $169 million and $218 million as of March 31, 2019 and 2018, respectively.

Reclassification Out of Accumulated Other Comprehensive Income

	Amount Reclassified from Accumulated Other Comprehensive Loss (a)
($ in millions)
					Affected Line Item in
	For the three months ended				the Statement Where
Details about Accumulated Other	March 31,				Net Income (Loss)
Comprehensive Loss Components	2019		2018		is Presented
Amortization of Pension Cost Items (b)
Actuarial gains (losses)	$	(14)	$	(7)	Income (loss) before income taxes
Tax impact		4		3	Income tax (expense) benefit
	$	(10)	$	(4)	Net income (loss)
Amortization of OPEB Cost Items (b)
Prior-service costs	$	1	$	2
Actuarial gains (losses)		2		(1)
		3		1	Income (loss) before income taxes
Tax impact		(1)		-	Income tax (expense) benefit
	$	2	$	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 16 - Retirement Plans for additional details).