Derivative Instruments (Gross Fair Values of Outstanding Derivative Instruments) (Details) - USD ($) $ in Millions	Aug. 03, 2019	Feb. 02, 2019	Aug. 04, 2018
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Assets	$ 78	$ 26	$ 5
Interest rate swap derivative instruments [Member]
Derivatives, Fair Value [Line Items]
Liabilities	78	25	(7)
Other current assets | Derivatives designated as net investment hedges | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Assets			5
Other current assets and Other assets | Interest rate swap derivative instruments [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Assets	$ 78	26
Long-term liabilities | Interest rate swap derivative instruments [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Liabilities		$ 1	$ 7