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

12 Months Ended

Dec. 31, 2018

Statement of Financial Position [Abstract]

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

Changes in Accumulated Other Comprehensive Income (AOCI) by Component

The changes in AOCI for 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			Total
Balance at December 31, 2015	$	(172	)	$	23		$	(1	)	$	(150	)
Other comprehensive (loss) income before reclassifications	(52		)	(1		)	16			(37		)
Amounts reclassified from AOCI	—			(16		)	(2		)	(18		)
Net current period other comprehensive (loss) income	(52		)	(17		)	14			(55		)
Balance at December 31, 2016	$	(224	)	$	6		$	13		$	(205	)
Other comprehensive (loss) income before reclassifications	41			(13		)	(13		)	15
Amounts reclassified from AOCI	—			(8		)	(1		)	(9		)
Net current period other comprehensive (loss) income	41			(21		)	(14		)	6
Balance at December 31, 2017	$	(183	)	$	(15	)	$	(1	)	$	(199	)
Impact of adoption of new accounting standard (1)	—			1			—			1
Other comprehensive (loss) income before reclassifications	(51		)	6			11			(34		)
Amounts reclassified from AOCI	—			(6		)	(8		)	(14		)
Net current period other comprehensive (loss) income	(51		)	—			3			(48		)
Balance at December 31, 2018	$	(234	)	$	(14	)	$	2		$	(246	)

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

		For the year ended December 31, 2018
		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	$	—	$	—		$	(7	)	$	(7	)
	Cost of services	—		(5		)	—			(5		)
	Selling, general and administrative expenses	—		(3		)	—			(3		)
	Research and development expenses	—		(1		)	—			(1		)
	Total before tax	$	—	$	(9	)	$	(7	)	$	(16	)
	Tax expense									2
	Total reclassifications, net of tax									$	(14	)

		For the year ended December 31, 2017
		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	)	$	(1	)
	Cost of services	(1		)	(6		)	—			(7		)
	Selling, general and administrative expenses	—			(4		)	—			(4		)
	Research and development expenses	(1		)	(1		)	—			(2		)
	Total before tax	$	(2	)	$	(11	)	$	(1	)	$	(14	)
	Tax expense										5
	Total reclassifications, net of tax										$	(9	)

		For the year ended December 31, 2016
		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	$	—		$	—		$	(3	)	$	(3	)
	Cost of services	(1		)	(10		)	—			(11		)
	Selling, general and administrative expenses	—			(6		)	—			(6		)
	Research and development expenses	(1		)	(3		)	—			(4		)
	Interest expense	—			—			2			2
	Total before tax	$	(2	)	$	(19	)	$	(1	)	$	(22	)
	Tax expense										4
	Total reclassifications, net of tax										$	(18	)