Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2014

Equity [Abstract]

Changes in Accumulated Other Comprehensive Loss by Component

The following table shows the changes in accumulated other comprehensive loss by component. Amounts in parentheses indicate debits.

(In millions)	Pension Benefits			Other Benefits			Gain on Cash Flow Hedge		Workers Compensation		Total
Balance as of December 31, 2012	$	(432	)	$	(36	)	$	4	$	—	$	(464	)
Other comprehensive income before reclassifications	158			3			—		2		163
Amounts reclassified from accumulated other comprehensive loss:
Amortization – prior service credit(a)	(22		)	(2		)	—		—		(24		)
– actuarial loss(a)	39			1			—		—		40
– settlement loss(a)	60			—			—		—		60
Tax effect	(29		)	—			—		—		(29		)
Other comprehensive income	206			2			—		2		210
Balance as of June 30, 2013	$	(226	)	$	(34	)	$	4	$	2	$	(254	)

(In millions)	Pension Benefits			Other Benefits			Gain on Cash Flow Hedge		Workers Compensation			Total
Balance as of December 31, 2013	$	(161	)	$	(50	)	$	4	$	3		$	(204	)
Other comprehensive income (loss) before reclassifications	(65		)	8			—		(1		)	(58		)
Amounts reclassified from accumulated other comprehensive loss:
Amortization – prior service credit(a)	(23		)	(2		)	—		—			(25		)
– actuarial loss(a)	26			1			—		—			27
– settlement loss(a)	69			—			—		—			69
Tax effect	(28		)	1			—		—			(27		)
Other comprehensive income (loss)	(21		)	8			—		(1		)	(14		)
Balance as of June 30, 2014	$	(182	)	$	(42	)	$	4	$	2		$	(218	)

^(a)  These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost. See Note 18.