Financing (Interest Expense) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
Feb. 02, 2019	Feb. 03, 2018	Nov. 03, 2018	Oct. 28, 2017	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Debt Disclosure [Abstract]
Interest on debt					$ 269	$ 332	$ 392
Amortization of debt premium					(7)	(9)	(22)
Amortization of financing costs					7	7	5
Interest on capitalized leases					2	2	2
Interest expense, gross					271	332	377
Less interest capitalized on construction					10	11	10
Interest Expense, Total					261	321	367
Gains (losses) on early retirement of debt	$ (28)	$ 11	$ (5)	$ (1)	$ (33)	$ 10	$ 0

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of amortization expense attributable to debt issuance costs.

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The financing charge for leasing arrangements meeting the criteria for capitalization.

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This element represents interest incurred for borrowed money which was used to produce goods or render services.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of interest capitalized during the period.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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