Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2014

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

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

The table below summarizes changes in accumulated other comprehensive loss recorded on our consolidated balance sheet by component for the year ended December 31, 2014:

	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	(1,107		)	(162	)	(15	)	(1,284	)
Amounts reclassified from accumulated other comprehensive income	56			12		1		69
Net current-period other comprehensive income (loss)	(1,051		)	(150	)	(14	)	(1,215	)
Balance at December 31, 2014	$	(1,720	)	(272	)	(25	)	(2,017	)

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

The table below presents further information about our reclassifications out of accumulated other comprehensive loss by component for the year ended December 31, 2014:

Year Ended December 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	$	85		See Note 7—Employee Benefits
Prior service cost	25			See Note 7—Employee Benefits
Total before tax	110
Income tax expense (benefit)	(42		)	Income tax expense
Insignificant items	1
Net of tax	$	69