Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	Feb. 01, 2013	Feb. 03, 2012
Fair Value, Assets and Liabilities Measured on Recurring Basis
Derivative instruments Assets	$ 68	$ 140
Total assets	11,553	14,884
Derivative instruments Liabilities	16	17
Total liabilities	16	17
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis
Derivative instruments Assets	0	0
Total assets	8,870	8,372
Derivative instruments Liabilities	0	0
Total liabilities	0	0
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis
Derivative instruments Assets	68	140
Total assets	2,683	6,512
Derivative instruments Liabilities	16	17
Total liabilities	16	17
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis
Derivative instruments Assets	0	0
Total assets	0	0
Derivative instruments Liabilities	0	0
Total liabilities	0	0
Money market funds
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	8,869	8,370
Money market funds | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	8,869	8,370
Money market funds | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	0	0
Money market funds | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	0	0
Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	0	2,011
Commercial paper | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	0	0
Commercial paper | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	0	2,011
Commercial paper | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	0	0
U.S. corporate
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	0	5
Debt securities	1,701	2,668
U.S. corporate | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	0	0
Debt securities	0	0
U.S. corporate | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	0	5
Debt securities	1,701	2,668
U.S. corporate | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis
Cash equivalents	0	0
Debt securities	0	0
Non- U.S. government and agencies
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	96	94
Non- U.S. government and agencies | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	0	0
Non- U.S. government and agencies | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	96	94
Non- U.S. government and agencies | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	0	0
Commercial paper
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	6	434
Commercial paper | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	0	0
Commercial paper | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	6	434
Commercial paper | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	0	0
International corporate
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	700	1,055
International corporate | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	0	0
International corporate | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	700	1,055
International corporate | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	0	0
Equity and other securities
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	113	107
Equity and other securities | Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	1	2
Equity and other securities | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	112	105
Equity and other securities | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis
Debt securities	$ 0	$ 0