Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2015

Mar. 31, 2014

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Summary of the entity's accumulated other comprehensive income (loss) by component

The tables below summarize changes in accumulated other comprehensive loss recorded on our consolidated balance sheets by component for the three months ended March 31, 2015 and 2014:

	Pension Plans			Post-Retirement Benefit Plans		Foreign Currency Translation Adjustment and Other		Total
	(Dollars in millions)
Balance at December 31, 2014	$	(1,720	)	(272	)	(25	)	(2,017	)
Other comprehensive income (loss) before reclassifications	—			—		(11	)	(11	)
Amounts reclassified from accumulated other comprehensive income	24			3		—		27
Net current-period other comprehensive income	24			3		(11	)	16
Balance at March 31, 2015	$	(1,696	)	(269	)	(36	)	(2,001	)

	Pension Plans			Post-Retirement Benefit Plans		Foreign Currency Translation Adjustment and Other		Total
	(Dollars in millions)
Balance at December 31, 2013	$	(669	)	(122	)	(11	)	(802	)
Other comprehensive income (loss) before reclassifications	—			—		1		1
Amounts reclassified from accumulated other comprehensive income	3			3		—		6
Net current-period other comprehensive income	3			3		1		7
Balance at March 31, 2014	$	(666	)	(119	)	(10	)	(795	)

Schedule of reclassifications out of accumulated other comprehensive income (loss) by component

The tables below present further information about our reclassifications out of accumulated other comprehensive loss by component for the three months ended March 31, 2015 and 2014:

Three Months Ended March 31, 2015	(Decrease) Increase in Net Income			Affected Line Item in Consolidated Statement of Operations or Footnote Where Additional Information is Presented If The Amount is not Recognized in Net Income in Total
	(Dollars in millions)
Amortization of pension & post-retirement plans
Net actuarial loss	$	(38	)	See Note 4-Employee Benefits
Prior service cost	(6		)	See Note 4-Employee Benefits
Total before tax	(44		)
Income tax expense	17			Income tax expense
Net of tax	$	(27	)

Three Months Ended March 31, 2014	(Decrease) Increase in Net Income			Affected Line Item in Consolidated Statement of Operations or Footnote Where Additional Information is Presented If The Amount is not Recognized in Net Income in Total
	(Dollars in millions)
Amortization of pension & post-retirement plans
Net actuarial loss	$	(5	)	See Note 4-Employee Benefits
Prior service cost	(5		)	See Note 4-Employee Benefits
Total before tax	(10		)
Income tax expense	4			Income tax expense
Net of tax	$	(6	)