Accumulated Other Comprehensive Income (Loss) (AOCI) (Tables)

12 Months Ended

Dec. 31, 2015

Statement of Financial Position [Abstract]

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

Changes in AOCI by Component

The changes in AOCI or the years endedDecember 31 are as follows:

in millions	Currency Translation Adjustments			Changes in Employee Benefit Plans			Changes in Fair Value of Effective Cash Flow Hedges			Changes in Fair Value of Available for Sale Securities			Total
Balance at December 31, 2012	$	(6	)	$	(22	)	$	(10	)	$	1		$	(37	)
Other comprehensive (loss) income before reclassifications	(46		)	50			1			2			7
Amounts reclassified from AOCI	—			(12		)	4			—			(8		)
Net current period other comprehensive (loss) income	(46		)	38			5			2			(1		)
Balance at December 31, 2013	$	(52	)	$	16		$	(5	)	$	3		$	(38	)
Other comprehensive (loss) before reclassifications	(73		)	(12		)	(1		)	—			(86		)
Amounts reclassified from AOCI	—			(12		)	3			(3		)	(12		)
Net current period other comprehensive (loss) income	(73		)	(24		)	2			(3		)	(98		)
Balance at December 31, 2014	$	(125	)	$	(8	)	$	(3	)	$	—		$	(136	)
Other comprehensive (loss) income before reclassifications	(47		)	43			8			—			4
Amounts reclassified from AOCI	—			(12		)	(6		)	—			(18		)
Net current period other comprehensive (loss) income	(47		)	31			2			—			(14		)
Balance at December 31, 2015	$	(172	)	$	23		$	(1	)	$	—		$	(150	)

Schedule of Reclassifications Out of Accumulated Other Comprehensive Income [Table Text Block]

		For the year ended December 31, 2015
		Employee Benefit Plans
in millions		Actuarial Losses Recognized		Amortization of Prior Service Benefit			Effective Cash Flow Hedges			Total
Affected line in Consolidated Statement of Operations:
	Cost of products	$	—	$	(1	)	$	(12	)	$	(13	)
	Cost of services	1		(9		)	—			(8		)
	Selling, general and administrative expenses	1		(7		)	—			(6		)
	Research and development expenses	—		(4		)	—			(4		)
	Interest expense	—		—			5			5
	Total before tax	$	2	$	(21	)	$	(7	)	$	(26	)
	Tax expense									8
	Total reclassifications, net of tax									$	(18	)

		For the year ended December 31, 2014
		Employee Benefit Plans
in millions		Amortization of Prior Service Benefit			Effective Cash Flow Hedges		Securities			Total
Affected line in Consolidated Statement of Operations:
	Cost of services	$	(10	)	$	—	$	—		$	(10	)
	Selling, general and administrative expenses	(6		)	—		—			(6		)
	Research and development expenses	(4		)	—		—			(4		)
	Interest expense	—			4		—			4
	Other (expense), net	—			—		(4		)	(4		)
	Total before tax	$	(20	)	$	4	$	(4	)	$	(20	)
	Tax expense									8
	Total reclassifications, net of tax									$	(12	)

		For the year ended December 31, 2013
		Employee Benefit Plans
in millions		Actuarial Losses Recognized		Amortization of Prior Service Benefit			Effective Cash Flow Hedges			Total
Affected line in Consolidated Statement of Operations:
	Cost of products	$	—	$	(2	)	$	(1	)	$	(3	)
	Cost of services	5		(15		)	—			(10		)
	Selling, general and administrative expenses	2		(9		)	—			(7		)
	Research and development expenses	1		(4		)	—			(3		)
	Interest expense	—		—			7			7
	Total before tax	$	8	$	(30	)	$	6		$	(16	)
	Tax expense									8
	Total reclassifications, net of tax									$	(8	)