Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt discount.

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Weighted average interest rate of long-term debt outstanding calculated at point in time.

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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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Debt - Components of Long Term Debt (Details) - USD ($) $ in Millions	Oct. 28, 2017	Jan. 28, 2017	Oct. 29, 2016
Debt Instrument [Line Items]
Long-term Debt, Fair Value	$ 2,900	$ 2,700	$ 3,000
Unamortized debt discount	(19)	(20)	(21)
Long-term debt	$ 2,796	$ 2,795	$ 2,794
Senior Notes
Debt Instrument [Line Items]
Effective Rate	5.00%
Total senior debt	$ 2,815
Senior Notes \| Senior Notes Due Two Thousand And Twenty One [Member]
Debt Instrument [Line Items]
Effective Rate	5.00%
Debt Instrument, Interest Rate, Stated Percentage	4.00%
Total senior debt	$ 650
Senior Notes \| Senior Notes Due 2023
Debt Instrument [Line Items]
Effective Rate	3.00%
Debt Instrument, Interest Rate, Stated Percentage	3.00%
Total senior debt	$ 350
Senior Notes \| Senior Notes Due Twenty Twenty Three [Member]
Debt Instrument [Line Items]
Effective Rate	5.00%
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Total senior debt	$ 300
Senior Notes \| Senior Notes Due Twenty Twenty Five [Member]
Debt Instrument [Line Items]
Effective Rate	4.00%
Debt Instrument, Interest Rate, Stated Percentage	4.00%
Total senior debt	$ 650
Senior Notes \| Senior Notes Due 2029
Debt Instrument [Line Items]
Effective Rate	7.00%
Debt Instrument, Interest Rate, Stated Percentage	7.00%
Total senior debt	$ 99
Senior Notes \| Senior Notes Due 2033
Debt Instrument [Line Items]
Effective Rate	6.00%
Debt Instrument, Interest Rate, Stated Percentage	6.00%
Total senior debt	$ 166
Senior Notes \| Senior Notes Due 2037
Debt Instrument [Line Items]
Effective Rate	7.00%
Debt Instrument, Interest Rate, Stated Percentage	7.00%
Total senior debt	$ 150
Senior Notes \| Senior Notes Due 2045
Debt Instrument [Line Items]
Effective Rate	6.00%
Debt Instrument, Interest Rate, Stated Percentage	6.00%
Total senior debt	$ 450