Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivatives Instruments in Statements of Financial Performance and Financial Position

(Dollars in millions)	March 31, 2015			December 31, 2014			Classification
Derivative assets not designated as hedges:
Foreign currency forward contracts	$	5		$	12		Other Current Assets
Derivative liabilities not designated as hedges:
Foreign currency forward contracts	(19		)	(17		)	Other Current Liabilities
Cross-currency swap contracts	—			(5		)	Other Liabilities

The effect of derivative instruments designated as fair value hedges and those not designated as hedges on the Condensed Consolidated Statements of Operations was as follows:

	Gain (Loss) Recognized in Income
	Three Months Ended March 31,
(Dollars In millions)	2015			2014			Classification
Derivatives designated as fair value hedges:
Interest rate swaps	$	2		$	2		Interest Expense, Net
Derivative liabilities not designated as hedges:
Foreign currency forward contracts	(66		)	(11		)	Other, Net
Cross-currency swap contracts	13			9			Other, Net