PROPERTY, PLANT AND EQUIPMENT (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment
Property, plant and equipment, gross	$ 5,876	$ 5,245
Accumulated depreciation	(3,152)	(2,957)
Property, plant and equipment, net	2,724	2,288
Land and buildings
Property, Plant and Equipment
Property, plant and equipment, gross	1,228	1,001
Machinery, equipment and fixtures
Property, Plant and Equipment
Property, plant and equipment, gross	3,910	3,562
Construction in process
Property, Plant and Equipment
Property, plant and equipment, gross	738	682
Construction in process, future light-duty diesel engine platform	$ 175

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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