Supplemental Balance Sheet Information (Details) (Property, Plant and Equipment) (USD $) In Millions, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012
Land and land improvements	$ 29	$ 31
Buildings and leasehold improvements	296	591
Equipment	1,572	1,585
Construction in progress	20	11
Property, plant and equipment, gross	1,917	2,218
Accumulated depreciation and amortization	1,506	1,560
Total property, plant and equipment, net	$ 411	$ 658

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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