Property, Plant and Equipment (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Property, Plant and Equipment
Property, plant and equipment, gross	$ 1,282	$ 1,239
Less accumulated depreciation	842	800
Total property, plant and equipment, net	440	439
Land, buildings and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	247	240
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	649	650
Equipment held for lease or rental
Property, Plant and Equipment
Property, plant and equipment, gross	225	205
Furniture and fixtures
Property, Plant and Equipment
Property, plant and equipment, gross	81	79
Construction work in progress
Property, Plant and Equipment
Property, plant and equipment, gross	61	46
Other
Property, Plant and Equipment
Property, plant and equipment, gross	$ 19	$ 19