Fair Value Measurements (Tables)

6 Months Ended

Aug. 03, 2012

Fair Value Disclosures [Abstract]

Fair Value, Assets and Liabilities Measured on Recurring Basis

	August 3, 2012								February 3, 2012
	Level 1(a)		Level 2 (a)		Level 3		Total		Level 1 (a)		Level 2 (a)		Level 3		Total
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs				Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
							(in millions)
Assets:
Cash equivalents:
Money market funds	$	8,422	$	—	$	—	$	8,422	$	8,370	$	—	$	—	$	8,370
Commercial paper	—		—		—		—		—		2,011		—		2,011
U.S. corporate	—		7		—		7		—		5		—		5
Debt securities:
Non- U.S. government and agencies	—		141		—		141		—		94		—		94
Commercial paper	—		13		—		13		—		434		—		434
U.S. corporate	—		2,076		—		2,076		—		2,668		—		2,668
International corporate	—		756		—		756		—		1,055		—		1,055
Equity and other securities	2		110		—		112		2		105		—		107
Derivative instruments	—		129		—		129		—		140		—		140
Total assets	$	8,424	$	3,232	$	—	$	11,656	$	8,372	$	6,512	$	—	$	14,884
Liabilities:
Derivative instruments	$	—	$	16	$	—	$	16	$	—	$	17	$	—	$	17
Total liabilities	$	—	$	16	$	—	$	16	$	—	$	17	$	—	$	17

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^(a) Dell did not transfer any securities between levels during the six months ended August 3, 2012 or during the fiscal year ended February 3, 2012.