Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2014

Notes to Condensed Consolidated Financial Statements [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Text Block]

	Asset Derivatives				Liability Derivatives
(Dollars in millions)	March 31, 2014		December 31, 2013		March 31, 2014		December 31, 2013
Derivatives designated as hedging instruments	$	55	$	59	$	164	$	103
Derivatives not designated as hedging instruments	63		31		62		54

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Text Block]

	Quarter Ended March 31,
(Dollars in millions)	2014		2013
Loss recorded in Accumulated other comprehensive loss	$	80	$	97
Loss reclassified from Accumulated other comprehensive loss into Product sales (effective portion)	$	18	$	8