Property, Plant and Equipment (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Property, Plant and Equipment
Property, plant and equipment, gross	$ 1,240	$ 1,265
Less accumulated depreciation	822	804
Total property, plant and equipment, net	418	461
Land, buildings and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	246	252
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	647	655
Equipment held for lease or rental
Property, Plant and Equipment
Property, plant and equipment, gross	208	207
Furniture and fixtures
Property, Plant and Equipment
Property, plant and equipment, gross	84	87
Construction work in progress
Property, Plant and Equipment
Property, plant and equipment, gross	34	41
Other
Property, Plant and Equipment
Property, plant and equipment, gross	$ 21	$ 23