Consolidated Balance Sheets Detail (Details 1) (USD $) In Millions, unless otherwise specified	Mar. 03, 2012	Feb. 26, 2011
Property, plant and equipment
Land	$ 140	$ 128
Buildings, leaseholds and other	1,393	1,155
BlackBerry operations and other information technology	2,194	1,803
Manufacturing equipment, research and development equipment, and tooling	524	380
Furniture and fixtures	529	433
Total	4,780	3,899
Accumulated Amortization	2,032	1,395
Net Book Value	$ 2,748	$ 2,504

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.

+ References+ Details

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.

+ References+ Details

- 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.

+ References+ Details