Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2017

Derivative Instruments, Gain (Loss) [Line Items]

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

The following table summarizes the fair value of derivative instruments as of March 31, 2017 and December 31, 2016 which consist solely of foreign exchange contracts:

	Asset Derivatives				Liability Derivatives
(Dollars in millions)	March 31, 2017		December 31, 2016		March 31, 2017		December 31, 2016
Derivatives designated as hedging instruments	$	22	$	15	$	128	$	196
Derivatives not designated as hedging instruments	84		155		113		158

Reclassification out of Accumulated Other Comprehensive Income [Member]

Derivative Instruments, Gain (Loss) [Line Items]

Derivative Instruments, Gain (Loss) [Table Text Block]

The amount of gains and losses related to the Company's derivative financial instruments was as follows:

	Quarter Ended March 31,
(Dollars in millions)	2017		2016
Gain recorded in Accumulated other comprehensive loss	$	64	$	159
Loss reclassified from Accumulated other comprehensive loss into Product sales (effective portion)	5		62

Other Income [Member]

Derivative Instruments, Gain (Loss) [Line Items]

Derivative Instruments, Gain (Loss) [Table Text Block]

The effect on the Condensed Consolidated Statement of Operations of foreign exchange contracts not designated as hedging instruments was as follows:

	Quarter Ended March 31,
(Dollars in millions)	2017		2016
Gain recognized in Other income, net	$	12	$	15