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Comprehensive Income (Details) (USD $) In Millions	3 Months Ended
Comprehensive Income (Details) (USD $) In Millions	Apr. 29, 2011	Apr. 30, 2010
Comprehensive Income [Abstract]
Net income	$ 945	$ 341
Changes related to hedging instruments, net	(68)	13
Change related to marketable securities, net	0	(1)
Foreign currency translation adjustments	74	34
Comprehensive Income	$ 951	$ 387

The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes.

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- Definition

Net of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges after taxes. A cash flow hedge is a hedge of the exposure to variability in the cash flows of a recognized asset or liability or a forecasted transaction that is attributable to a particular risk. The change includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.

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