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Consolidated Balance Sheets (parenthetical) (USD $) In Millions, unless otherwise specified	Jul. 28, 2012	Jan. 28, 2012	Jul. 30, 2011
Accumulated depreciation and amortization	$ 6,368	$ 5,986	$ 6,487

- Definition

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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