XML 22 R6.htm IDEA: XBRL DOCUMENT

Consolidated Balance Sheets (parenthetical) (USD $) In Millions, unless otherwise specified	Apr. 28, 2012	Jan. 28, 2012	Apr. 30, 2011
Accumulated depreciation and amortization	$ 6,159	$ 5,986	$ 6,258

- 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.

+ References+ Details