Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

The Company recorded the activity related to the warranty reserve for the three months ended March 31 as follows:

In millions	2015		2014
Warranty reserve liability
Beginning balance as of January 1	$	22	$	22
Accruals for warranties issued	9		8
Settlements (in cash or in kind)	(9)		(9)
Ending balance as of March 31	$	22	$	21