Property, Plant and Equipment (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment
Property, plant and equipment, gross	$ 1,275	$ 1,239
Less accumulated depreciation	829	800
Total property, plant and equipment, net	446	439
Land, buildings and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	250	240
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	658	650
Equipment held for lease or rental
Property, Plant and Equipment
Property, plant and equipment, gross	214	205
Furniture and fixtures
Property, Plant and Equipment
Property, plant and equipment, gross	82	79
Construction work in progress
Property, Plant and Equipment
Property, plant and equipment, gross	52	46
Other
Property, Plant and Equipment
Property, plant and equipment, gross	$ 19	$ 19