The average effective interest rate during the reporting period.

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Financing Activities (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
Financing Activities (Details) - USD ($) $ in Millions	Feb. 01, 2020	Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018	May 09, 2019
Extinguishment of debt					$ 344
Extinguishment of debt cost			$ 354		354
Loss on early retirement of debt		$ 0	$ 0	$ 0	$ (5)
Subsequent Event [Member]
Extinguishment of debt	$ 450
Minimum [Member]
Line of Credit Facility, Current Borrowing Capacity						$ 1,500
Minimum [Member] \| Subsequent Event [Member]
Debt Instrument, Interest Rate, Stated Percentage	2.875%
Maximum [Member]
Line of Credit Facility, Maximum Borrowing Capacity						$ 1,750
Maximum [Member] \| Subsequent Event [Member]
Debt Instrument, Interest Rate, Stated Percentage	7.00%