Fair Value Measurements (Fair Value, Assets And Liabilities Measured On Recurring Basis) (Details) (USD $) In Millions, unless otherwise specified	Jul. 28, 2012	Jan. 28, 2012	Jul. 30, 2011	Jan. 29, 2011
Assets:
Cash and Cash Equivalents	$ 1,193	$ 935	$ 1,035
Interest Rate Designated Fair Value Hedges		14	19
Liabilities:
Cross-currency Cash Flow Hedges	53	60	83
Lease Guarantees	3	4	5	6
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash and Cash Equivalents	1,193	935	1,035
Interest Rate Designated Fair Value Hedges		0	0
Liabilities:
Cross-currency Cash Flow Hedges	0	0	0
Lease Guarantees	0	0	0
Fair Value, Inputs, Level 2 [Member]
Assets:
Cash and Cash Equivalents	0	0	0
Interest Rate Designated Fair Value Hedges		14	19
Liabilities:
Cross-currency Cash Flow Hedges	53	60	83
Lease Guarantees	0	0	0
Fair Value, Inputs, Level 3 [Member]
Assets:
Cash and Cash Equivalents	0	0	0
Interest Rate Designated Fair Value Hedges		0	0
Liabilities:
Cross-currency Cash Flow Hedges	0	0	0
Lease Guarantees	$ 3	$ 4	$ 5