Goodwill and Intangible Assets (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
Feb. 01, 2013	Feb. 03, 2012	Jan. 28, 2011
Amortization expense related to finite-lived intangible assets	$ 613	$ 391	$ 349

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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