Derivative Instruments (Narrative) (Details)	3 Months Ended
	May 04, 2019 USD ($)
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Term of Contract	12 months
Derivatives designated as net investment hedges | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative, Term of Contract	12 months
Notes due 2018 [Member]
Derivative [Line Items]
Debt Instrument, Face Amount	$ 500,000,000
Notes due 2021 [Member]
Derivative [Line Items]
Debt Instrument, Face Amount	650,000,000
Notes due 2028 [Member]
Derivative [Line Items]
Debt Instrument, Face Amount	$ 500,000,000