Property, Plant and Equipment (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment
Property, plant and equipment, gross	$ 1,275	$ 1,304
Less accumulated depreciation	821	816
Total property, plant and equipment, net	454	488
Land, buildings and improvements
Property, Plant and Equipment
Property, plant and equipment, gross	247	263
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	661	685
Equipment held for lease or rental
Property, Plant and Equipment
Property, plant and equipment, gross	205	192
Furniture and fixtures
Property, Plant and Equipment
Property, plant and equipment, gross	90	93
Construction work in progress
Property, Plant and Equipment
Property, plant and equipment, gross	50	49
Other
Property, Plant and Equipment
Property, plant and equipment, gross	$ 22	$ 22