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Business Segments and Geographic Areas (Details 1) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Long-lived assets by country based on the location
Property, plant and equipment, net	$ 2,445	$ 1,840
United States [Member]
Long-lived assets by country based on the location
Property, plant and equipment, net	1,493	1,045
United Kingdom [Member]
Long-lived assets by country based on the location
Property, plant and equipment, net	131	116
Canada [Member]
Long-lived assets by country based on the location
Property, plant and equipment, net	113	118
South Korea [Member]
Long-lived assets by country based on the location
Property, plant and equipment, net	97	90
Brazil [Member]
Long-lived assets by country based on the location
Property, plant and equipment, net	92	32
Singapore [Member]
Long-lived assets by country based on the location
Property, plant and equipment, net	86	75
Norway [Member]
Long-lived assets by country based on the location
Property, plant and equipment, net	40	40
Other Countries [Member]
Long-lived assets by country based on the location
Property, plant and equipment, net	$ 393	$ 324

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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