Debt Short-Term Debt (Details) $ in Millions	9 Months Ended
	Nov. 03, 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]
Line of Credit Facility, Interest Rate Description	0.005
London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate Description	0.01
Minimum [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate Description	0
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate Description	0.008
Minimum [Member] | Facility Fee [Domain]
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate Description	0.00075
Maximum [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate Description	0.003
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate Description	0.013
Maximum [Member] | Facility Fee [Domain]
Line of Credit Facility [Line Items]
Line of Credit Facility, Interest Rate Description	0.002
Previously Reported [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 1,250