BUSINESS SEGMENT AND FOREIGN INFORMATION - Classes of Property and Equipment (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property and equipment:
Land	$ 161	$ 176
Buildings	535	575
Equipment	326	312
Total property and equipment	1,022	1,063
Less accumulated depreciation	458	446
Net property and equipment	$ 564	$ 617

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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