Fair Value Measurements and Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

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

The Company presents its derivative positions and any related material collateral under master netting agreements on a net basis. Derivative financial instruments designated and non-designated as hedging instruments are included in the Company’s consolidated balance sheets at March 31, 2016 and December 31, 2015, as follows:

	Gross Amount Recognized				Gross Amounts Offset in the Statement of Financial Position				Net Amounts Presented in the Statement of Financial Position
	March 31		December 31		March 31		December 31		March 31		December 31
	2016		2015		2016		2015		2016		2015
	(Dollars in Millions)
Other Current Assets:
Designated-Foreign Currency Derivatives	$	3	$	7	$	—	$	1	$	3	$	6
Other Current Liabilities:
Designated-Foreign Currency Derivatives	$	3	$	—	$	1	$	—	$	2	$	—
Designated-Interest Rate Swaps	4		1		—		—		4		1
	$	7	$	1	$	1	$	—	$	6	$	1

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

Gains and losses on derivative financial instruments for the three months ended March 31, 2016 and 2015 are as follows:

	Recorded in AOCI, net of tax						Reclassified from AOCI into Income				Recorded in Income
	2016			2015			2016		2015		2016		2015
	(Dollars in Millions)
Foreign currency risk:
Cash flow hedges	$	(5	)	$	15		$	2	$	6	$	—	$	—
Non-designated cash flow hedges	—			—			—		—		—		(1		)
Interest rate risk:
Interest Rate Swap	(3		)	—			—		—		—		—
Foreign currency risk - Other expense, net:
KRW option and forward contracts	—			(4		)	—		—		—		(3		)
	$	(8	)	$	11		$	2	$	6	$	—	$	(4	)