Long-Term Borrowings (Details) - USD ($) $ in Millions	Oct. 29, 2017	Oct. 30, 2016
Long-Term Borrowings
Total senior debt	$ 17,582.2	$ 16,576.3
Unamortized debt discount and debt issuance costs	(47.8)	(39.8)
Total	17,534.4	16,536.5
Principal Amounts of Long-Term Borrowings Maturing in Each of Next Five Years
2018	5,043.8
2019	4,582.7
2020	4,129.2
2021	2,047.7
2022	2,943.7
Medium-term notes due 2018-2027
Long-Term Borrowings
Total senior debt	17,049.9	16,046.0
Principal amount	$ 17,121.1	$ 15,821.1
Average interest rates (as a percent)	2.00%	1.70%
2.75% Senior notes due 2022
Long-Term Borrowings
Total senior debt	$ 501.5	$ 519.0
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)	2.00%	1.60%
Other notes
Long-Term Borrowings
Total senior debt	$ 30.8	$ 11.3