Changes in the Components of Other Comprehensive Income ("OCI") (Detail) (USD $) In Thousands	3 Months Ended	6 Months Ended
Jul. 30, 2011	Jul. 31, 2010	Jul. 30, 2011	Jul. 31, 2010
Net income	$ 192,392	$ 219,777	$ 339,253	$ 425,544
Other comprehensive income
Net unrealized gain on marketable securities	392	1,733	1,996	1,856
Net unrealized gain on auction rate securities	100	49	44	53
Net unrealized gain (loss) on cash flow hedges	(1,205)	(690)	2,735	(491)
Change in other	(115)	(1)	(115)	(2)
Total comprehensive income	$ 191,564	$ 220,868	$ 343,913	$ 426,960

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

- Definition

Gross appreciation or the gross loss in value of the total unsold securities. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

+ References

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- Definition

Change in accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges, net of tax effect. The after tax effect change includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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