Long-Term Borrowings (Details) - USD ($) $ in Millions	Oct. 28, 2018	Oct. 29, 2017
Long-Term Borrowings
Total senior debt	$ 19,481.9	$ 17,582.2
Unamortized debt discount and debt issuance costs	(49.7)	(47.8)
Total	19,432.2	17,534.4
Principal Amounts of Long-Term Borrowings Maturing in Each of Next Five Years
2019	4,590.7
2020	5,216.9
2021	4,810.8
2022	2,966.4
2023	3,123.5
Medium-term notes due 2019-2028
Long-Term Borrowings
Total senior debt	18,958.2	17,049.9
Principal amount	$ 19,308.2	$ 17,121.1
Average interest rates (as a percent)	2.80%	2.00%
2.75% Senior notes due 2022
Long-Term Borrowings
Total senior debt	$ 489.3	$ 501.5
Debt instrument, stated interest rate (as a percent)	2.75%	2.75%
Principal amount	$ 500.0	$ 500.0
Portion of debt swapped to variable interest rates, amount	$ 500.0	$ 500.0
Variable interest rates, debt swaps (as a percent)	3.50%	2.00%
Other notes
Long-Term Borrowings
Total senior debt	$ 34.4	$ 30.8