Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2016

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 June 30, 2016 and December 31, 2015 which consist solely of foreign exchange contracts:

	Asset Derivatives				Liability Derivatives
(Dollars in millions)	June 30, 2016		December 31, 2015		June 30, 2016		December 31, 2015
Derivatives designated as hedging instruments	$	42	$	4	$	157	$	428
Derivatives not designated as hedging instruments	124		97		65		105

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 June 30,				Six Months Ended June 30,
(Dollars in millions)	2016		2015		2016		2015
Gain (loss) recorded in Accumulated other comprehensive loss	$	36	$	62	$	195	$	(122	)
Loss reclassified from Accumulated other comprehensive loss into Product sales (effective portion)	45		43		107		100

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 June 30,				Six Months Ended June 30,
(Dollars in millions)	2016		2015		2016		2015
Gain recognized in Other income, net	$	15	$	12	$	30	$	30