PROPERTY (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Property - gross	$ 2,962	$ 2,901
Less accumulated depreciation and amortization	(1,328)	(1,250)
Property - net	1,634	1,651
Vessels [Member]
Property, Plant and Equipment [Line Items]
Property - gross	1,232	1,220
Less accumulated depreciation and amortization	(641)	(600)
Property - net	591	620
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property - gross	675	661
Less accumulated depreciation and amortization	(444)	(425)
Property - net	231	236
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property - gross	564	557
Less accumulated depreciation and amortization	(95)	(86)
Property - net	469	471
Land [Member]
Property, Plant and Equipment [Line Items]
Property - gross	248	236
Less accumulated depreciation and amortization	0	0
Property - net	248	236
Water, power and sewer systems [Member]
Property, Plant and Equipment [Line Items]
Property - gross	121	119
Less accumulated depreciation and amortization	(87)	(84)
Property - net	34	35
Other property improvements [Member]
Property, Plant and Equipment [Line Items]
Property - gross	122	108
Less accumulated depreciation and amortization	(61)	(55)
Property - net	$ 61	$ 53

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, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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