Debt (Narrative) (Long-Term Debt) (Details) - USD ($)	3 Months Ended
	May 04, 2019	Feb. 02, 2019	May 05, 2018
Debt Instrument [Line Items]
Long-term Debt, Fair Value	$ 1,213,000,000	$ 1,178,000,000	$ 1,176,000,000
Carrying value	1,173,000,000	$ 1,175,000,000	$ 1,140,000,000
Notes due 2018 [Member]
Debt Instrument [Line Items]
Extinguishment of Debt, Amount	500,000,000
Debt Instrument, Face Amount	500,000,000
Notes due 2028 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 500,000,000