Debt (Long-Term Debt) (Details) - USD ($) $ in Millions	Feb. 01, 2015	Feb. 02, 2014
Debt Instrument [Line Items]
Senior Notes	$ 16,200	$ 14,200
Capital Lease Obligations; payable in varying installments through January 31, 2055	684	499
Other	3	5
Total debt	16,907	14,724
Less current installments	38	33
Long-Term Debt, excluding current installments	16,869	14,691
5.40% Senior Notes due March 1, 2016 [Member]
Debt Instrument [Line Items]
Senior Notes	3,026	3,042
2.25% Senior Notes due September 10, 2018 [Member]
Debt Instrument [Line Items]
Senior Notes	1,157	1,148
2.00% Senior Notes due June 15, 2019 [Member]
Debt Instrument [Line Items]
Senior Notes	996	0
3.95% Senior Notes due September 15, 2020 [Member]
Debt Instrument [Line Items]
Senior Notes	524	501
4.40% Senior Notes due April 1, 2021 [Member]
Debt Instrument [Line Items]
Senior Notes	999	999
2.70% Senior Notes due April 1, 2023 [Member]
Debt Instrument [Line Items]
Senior Notes	999	998
3.75% Senior Notes due February 15, 2024 [Member]
Debt Instrument [Line Items]
Senior Notes	1,095	1,094
5.875% Senior Notes due December 16, 2036 [Member]
Debt Instrument [Line Items]
Senior Notes	2,963	2,962
5.40% Senior Notes due September 15, 2040 [Member]
Debt Instrument [Line Items]
Senior Notes	499	499
5.95% Senior Notes due April 1, 2041 [Member]
Debt Instrument [Line Items]
Senior Notes	996	996
4.20% Senior Notes due April 1, 2043 [Member]
Debt Instrument [Line Items]
Senior Notes	996	996
4.875% Senior Notes due February 15, 2044 [Member]
Debt Instrument [Line Items]
Senior Notes	985	985
4.40% Senior Notes due March 15, 2045 [Member]
Debt Instrument [Line Items]
Senior Notes	$ 985	$ 0

Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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