Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2017

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The accumulated balances for each classification of other comprehensive income (loss) were as follows:

(dollars in millions)	Net Foreign Currency Translation Adjustment			Defined Benefit Pension Plans			Total
Balance at December 31, 2015	$	(273	)	$	(28	)	$	(301	)
Other comprehensive income (loss) before reclassifications, net of tax	9			(2		)	7
Amounts reclassified from accumulated other comprehensive loss	—			1			1
Balance at September 30, 2016	$	(264	)	$	(29	)	$	(293	)

Balance at December 31, 2016	$	(353	)	$	(34	)	$	(387	)
Other comprehensive income before reclassifications, net of tax	106			1			107
Amounts reclassified from accumulated other comprehensive loss	—			(1		)	(1		)
Balance at September 30, 2017	$	(247	)	$	(34	)	$	(281	)