Fair Value Measurements (Fair Value, Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($) $ in Millions	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Assets:
Cash and Cash Equivalents	$ 2,548	$ 1,681
Investments, Fair Value Disclosure	22
Interest Rate Designated as Fair Value Hedges	11	12
Foreign Currency Cash Flow Hedge Asset at Fair Value	27	21
Liabilities:
Lease Guarantees		1
Fair Value, Inputs, Level 1
Assets:
Cash and Cash Equivalents	2,548	1,681
Investments, Fair Value Disclosure	22
Interest Rate Designated as Fair Value Hedges	0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	0	0
Liabilities:
Lease Guarantees		0
Fair Value, Inputs, Level 2
Assets:
Cash and Cash Equivalents	0	0
Investments, Fair Value Disclosure	0
Interest Rate Designated as Fair Value Hedges	11	12
Foreign Currency Cash Flow Hedge Asset at Fair Value	27	21
Liabilities:
Lease Guarantees		0
Fair Value, Inputs, Level 3
Assets:
Cash and Cash Equivalents	0	0
Investments, Fair Value Disclosure	0
Interest Rate Designated as Fair Value Hedges	0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	0	0
Liabilities:
Lease Guarantees	$ 0	$ 1	$ 1