Debt Short-Term Debt (Details) $ in Millions	6 Months Ended
	Aug. 04, 2018 USD ($)
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 1,250
Federal Funds Rate [Domain]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate, Low End of Range	0.50%
London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate, Low End of Range	1.00%
Minimum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate, Low End of Range	0.00%
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate, Low End of Range	0.80%
Minimum [Member] | Facility Fee [Domain]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate, Low End of Range	0.08%
Maximum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate, Low End of Range	0.30%
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate, Low End of Range	1.30%
Maximum [Member] | Facility Fee [Domain]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate, Low End of Range	0.20%
Previously Reported [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 1,250