Derivative Instruments Changes in Fair Value Hedges on Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	$ 8	$ 6	$ (3)	$ (10)
Interest rate swap derivative instruments | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate swap gain	16	14	13	12
Long-term debt loss	(16)	(14)	(13)	(12)
Net impact	0	0	0	0
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Selling, General and Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on foreign currency derivative instruments not designated as hedging instruments	$ 2	$ 1	$ (1)	$ (2)